ostc4: Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal

author	heinrichsweikamp
date	Sun, 19 Jan 2025 12:02:59 +0100 (2 months ago)
parents	4e10a3e087a1
children

rev	line source
128 c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	1 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	2 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	3 * @file stm32f4xx_hal_rcc.c
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	4 * @author MCD Application Team
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	5 * @brief RCC HAL module driver.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	6 * This file provides firmware functions to manage the following
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	7 * functionalities of the Reset and Clock Control (RCC) peripheral:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	8 * + Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	9 * + Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	10 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	11 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	12 ==============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	13 ##### RCC specific features #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	14 ==============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	15 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	16 After reset the device is running from Internal High Speed oscillator
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	17 (HSI 16MHz) with Flash 0 wait state, Flash prefetch buffer, D-Cache
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	18 and I-Cache are disabled, and all peripherals are off except internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	19 SRAM, Flash and JTAG.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	20 (+) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	21 all peripherals mapped on these busses are running at HSI speed.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	22 (+) The clock for all peripherals is switched off, except the SRAM and FLASH.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	23 (+) All GPIOs are in input floating state, except the JTAG pins which
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	24 are assigned to be used for debug purpose.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	25
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	26 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	27 Once the device started from reset, the user application has to:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	28 (+) Configure the clock source to be used to drive the System clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	29 (if the application needs higher frequency/performance)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	30 (+) Configure the System clock frequency and Flash settings
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	31 (+) Configure the AHB and APB busses prescalers
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	32 (+) Enable the clock for the peripheral(s) to be used
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	33 (+) Configure the clock source(s) for peripherals which clocks are not
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	34 derived from the System clock (I2S, RTC, ADC, USB OTG FS/SDIO/RNG)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	35
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	36 ##### RCC Limitations #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	37 ==============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	38 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	39 A delay between an RCC peripheral clock enable and the effective peripheral
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	40 enabling should be taken into account in order to manage the peripheral read/write
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	41 from/to registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	42 (+) This delay depends on the peripheral mapping.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	43 (+) If peripheral is mapped on AHB: the delay is 2 AHB clock cycle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	44 after the clock enable bit is set on the hardware register
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	45 (+) If peripheral is mapped on APB: the delay is 2 APB clock cycle
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	46 after the clock enable bit is set on the hardware register
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	47
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	48 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	49 Implemented Workaround:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	50 (+) For AHB & APB peripherals, a dummy read to the peripheral register has been
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	51 inserted in each __HAL_RCC_PPP_CLK_ENABLE() macro.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	52
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	53 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	54 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	55 * @attention
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	56 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	57 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	58 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	59 * Redistribution and use in source and binary forms, with or without modification,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	60 * are permitted provided that the following conditions are met:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	61 * 1. Redistributions of source code must retain the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	62 * this list of conditions and the following disclaimer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	63 * 2. Redistributions in binary form must reproduce the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	64 * this list of conditions and the following disclaimer in the documentation
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	65 * and/or other materials provided with the distribution.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	66 * 3. Neither the name of STMicroelectronics nor the names of its contributors
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	67 * may be used to endorse or promote products derived from this software
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	68 * without specific prior written permission.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	69 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	70 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	71 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	73 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	74 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	75 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	76 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	77 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	78 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	79 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	80 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	81 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	82 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	83
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	84 /* Includes ------------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	85 #include "stm32f4xx_hal.h"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	86
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	87 /** @addtogroup STM32F4xx_HAL_Driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	88 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	89 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	90
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	91 /** @defgroup RCC RCC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	92 * @brief RCC HAL module driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	93 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	94 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	95
869 4e10a3e087a1 Reactivate Bootloader: Ideenmodellierer parents: 128 diff changeset	96
4e10a3e087a1 Reactivate Bootloader: Ideenmodellierer parents: 128 diff changeset	97 extern __IO const uint8_t AHBPrescTable[16];
128 c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	98 #ifdef HAL_RCC_MODULE_ENABLED
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	99
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	100 /* Private typedef -----------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	101 /* Private define ------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	102 /** @addtogroup RCC_Private_Constants
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	103 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	104 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	105
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	106 /* Private macro -------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	107 #define __MCO1_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	108 #define MCO1_GPIO_PORT GPIOA
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	109 #define MCO1_PIN GPIO_PIN_8
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	110
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	111 #define __MCO2_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	112 #define MCO2_GPIO_PORT GPIOC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	113 #define MCO2_PIN GPIO_PIN_9
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	114 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	115 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	116 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	117
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	118 /* Private variables ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	119 /** @defgroup RCC_Private_Variables RCC Private Variables
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	120 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	121 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	122 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	123 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	124 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	125 /* Private function prototypes -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	126 /* Private functions ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	127
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	128 /** @defgroup RCC_Exported_Functions RCC Exported Functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	129 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	130 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	131
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	132 /** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	133 * @brief Initialization and Configuration functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	134 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	135 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	136 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	137 ##### Initialization and de-initialization functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	138 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	139 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	140 This section provides functions allowing to configure the internal/external oscillators
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	141 (HSE, HSI, LSE, LSI, PLL, CSS and MCO) and the System busses clocks (SYSCLK, AHB, APB1
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	142 and APB2).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	143
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	144 [..] Internal/external clock and PLL configuration
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	145 (#) HSI (high-speed internal), 16 MHz factory-trimmed RC used directly or through
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	146 the PLL as System clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	147
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	148 (#) LSI (low-speed internal), 32 KHz low consumption RC used as IWDG and/or RTC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	149 clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	150
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	151 (#) HSE (high-speed external), 4 to 26 MHz crystal oscillator used directly or
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	152 through the PLL as System clock source. Can be used also as RTC clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	153
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	154 (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	155
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	156 (#) PLL (clocked by HSI or HSE), featuring two different output clocks:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	157 (++) The first output is used to generate the high speed system clock (up to 168 MHz)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	158 (++) The second output is used to generate the clock for the USB OTG FS (48 MHz),
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	159 the random analog generator (<=48 MHz) and the SDIO (<= 48 MHz).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	160
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	161 (#) CSS (Clock security system), once enable using the macro __HAL_RCC_CSS_ENABLE()
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	162 and if a HSE clock failure occurs(HSE used directly or through PLL as System
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	163 clock source), the System clocks automatically switched to HSI and an interrupt
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	164 is generated if enabled. The interrupt is linked to the Cortex-M4 NMI
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	165 (Non-Maskable Interrupt) exception vector.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	166
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	167 (#) MCO1 (microcontroller clock output), used to output HSI, LSE, HSE or PLL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	168 clock (through a configurable prescaler) on PA8 pin.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	169
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	170 (#) MCO2 (microcontroller clock output), used to output HSE, PLL, SYSCLK or PLLI2S
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	171 clock (through a configurable prescaler) on PC9 pin.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	172
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	173 [..] System, AHB and APB busses clocks configuration
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	174 (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	175 HSE and PLL.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	176 The AHB clock (HCLK) is derived from System clock through configurable
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	177 prescaler and used to clock the CPU, memory and peripherals mapped
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	178 on AHB bus (DMA, GPIO...). APB1 (PCLK1) and APB2 (PCLK2) clocks are derived
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	179 from AHB clock through configurable prescalers and used to clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	180 the peripherals mapped on these busses. You can use
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	181 "HAL_RCC_GetSysClockFreq()" function to retrieve the frequencies of these clocks.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	182
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	183 (#) For the STM32F405xx/07xx and STM32F415xx/17xx devices, the maximum
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	184 frequency of the SYSCLK and HCLK is 168 MHz, PCLK2 84 MHz and PCLK1 42 MHz.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	185 Depending on the device voltage range, the maximum frequency should
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	186 be adapted accordingly (refer to the product datasheets for more details).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	187
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	188 (#) For the STM32F42xxx, STM32F43xxx, STM32F446xx, STM32F469xx and STM32F479xx devices,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	189 the maximum frequency of the SYSCLK and HCLK is 180 MHz, PCLK2 90 MHz and PCLK1 45 MHz.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	190 Depending on the device voltage range, the maximum frequency should
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	191 be adapted accordingly (refer to the product datasheets for more details).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	192
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	193 (#) For the STM32F401xx, the maximum frequency of the SYSCLK and HCLK is 84 MHz,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	194 PCLK2 84 MHz and PCLK1 42 MHz.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	195 Depending on the device voltage range, the maximum frequency should
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	196 be adapted accordingly (refer to the product datasheets for more details).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	197
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	198 (#) For the STM32F41xxx, the maximum frequency of the SYSCLK and HCLK is 100 MHz,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	199 PCLK2 100 MHz and PCLK1 50 MHz.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	200 Depending on the device voltage range, the maximum frequency should
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	201 be adapted accordingly (refer to the product datasheets for more details).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	202
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	203 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	204 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	205 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	206
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	207 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	208 * @brief Resets the RCC clock configuration to the default reset state.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	209 * @note The default reset state of the clock configuration is given below:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	210 * - HSI ON and used as system clock source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	211 * - HSE and PLL OFF
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	212 * - AHB, APB1 and APB2 prescaler set to 1.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	213 * - CSS, MCO1 and MCO2 OFF
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	214 * - All interrupts disabled
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	215 * @note This function doesn't modify the configuration of the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	216 * - Peripheral clocks
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	217 * - LSI, LSE and RTC clocks
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	218 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	219 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	220 __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	221 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	222 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	223 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	224
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	225 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	226 * @brief Initializes the RCC Oscillators according to the specified parameters in the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	227 * RCC_OscInitTypeDef.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	228 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	229 * contains the configuration information for the RCC Oscillators.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	230 * @note The PLL is not disabled when used as system clock.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	231 * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	232 * supported by this API. User should request a transition to LSE Off
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	233 * first and then LSE On or LSE Bypass.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	234 * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	235 * supported by this API. User should request a transition to HSE Off
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	236 * first and then HSE On or HSE Bypass.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	237 * @retval HAL status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	238 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	239 __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	240 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	241 uint32_t tickstart;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	242
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	243 /* Check Null pointer */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	244 if(RCC_OscInitStruct == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	245 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	246 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	247 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	248
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	249 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	250 assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	251 /------------------------------- HSE Configuration ------------------------/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	252 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	253 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	254 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	255 assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	256 /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	257 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) \|\|\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	258 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	259 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	260 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	261 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	262 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	263 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	264 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	265 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	266 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	267 /* Set the new HSE configuration ---------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	268 __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	269
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	270 /* Check the HSE State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	271 if((RCC_OscInitStruct->HSEState) != RCC_HSE_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	272 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	273 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	274 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	275
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	276 /* Wait till HSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	277 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	278 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	279 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	280 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	281 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	282 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	283 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	284 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	285 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	286 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	287 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	288 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	289
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	290 /* Wait till HSE is bypassed or disabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	291 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	292 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	293 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	294 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	295 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	296 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	297 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	298 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	299 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	300 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	301 /----------------------------- HSI Configuration --------------------------/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	302 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	303 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	304 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	305 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	306 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	307
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	308 /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	309 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) \|\|\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	310 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	311 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	312 /* When HSI is used as system clock it will not disabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	313 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	314 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	315 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	316 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	317 /* Otherwise, just the calibration is allowed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	318 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	319 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	320 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	321 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	322 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	323 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	324 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	325 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	326 /* Check the HSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	327 if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	328 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	329 /* Enable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	330 __HAL_RCC_HSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	331
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	332 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	333 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	334
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	335 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	336 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	337 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	338 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	339 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	340 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	341 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	342 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	343
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	344 /* Adjusts the Internal High Speed oscillator (HSI) calibration value. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	345 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	346 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	347 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	348 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	349 /* Disable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	350 __HAL_RCC_HSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	351
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	352 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	353 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	354
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	355 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	356 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	357 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	358 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	359 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	360 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	361 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	362 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	363 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	364 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	365 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	366 /------------------------------ LSI Configuration -------------------------/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	367 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	368 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	369 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	370 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	371
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	372 /* Check the LSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	373 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	374 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	375 /* Enable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	376 __HAL_RCC_LSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	377
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	378 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	379 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	380
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	381 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	382 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	383 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	384 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	385 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	386 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	387 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	388 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	389 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	390 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	391 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	392 /* Disable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	393 __HAL_RCC_LSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	394
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	395 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	396 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	397
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	398 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	399 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	400 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	401 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	402 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	403 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	404 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	405 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	406 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	407 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	408 /------------------------------ LSE Configuration -------------------------/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	409 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	410 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	411 FlagStatus pwrclkchanged = RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	412
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	413 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	414 assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	415
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	416 /* Update LSE configuration in Backup Domain control register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	417 /* Requires to enable write access to Backup Domain of necessary */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	418 if(__HAL_RCC_PWR_IS_CLK_DISABLED())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	419 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	420 __HAL_RCC_PWR_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	421 pwrclkchanged = SET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	422 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	423
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	424 if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	425 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	426 /* Enable write access to Backup domain */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	427 SET_BIT(PWR->CR, PWR_CR_DBP);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	428
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	429 /* Wait for Backup domain Write protection disable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	430 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	431
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	432 while(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	433 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	434 if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	435 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	436 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	437 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	438 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	439 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	440
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	441 /* Set the new LSE configuration -----------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	442 __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	443 /* Check the LSE State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	444 if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	445 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	446 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	447 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	448
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	449 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	450 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	451 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	452 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	453 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	454 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	455 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	456 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	457 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	458 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	459 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	460 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	461 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	462
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	463 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	464 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	465 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	466 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	467 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	468 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	469 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	470 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	471 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	472
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	473 /* Restore clock configuration if changed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	474 if(pwrclkchanged == SET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	475 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	476 __HAL_RCC_PWR_CLK_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	477 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	478 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	479 /-------------------------------- PLL Configuration -----------------------/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	480 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	481 assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	482 if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	483 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	484 /* Check if the PLL is used as system clock or not */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	485 if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	486 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	487 if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	488 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	489 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	490 assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	491 assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	492 assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	493 assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	494 assert_param(IS_RCC_PLLQ_VALUE(RCC_OscInitStruct->PLL.PLLQ));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	495
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	496 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	497 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	498
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	499 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	500 tickstart = HAL_GetTick();

128

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1 /**

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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2 ******************************************************************************

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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3 * @file stm32f4xx_hal_rcc.c

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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4 * @author MCD Application Team

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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5 * @brief RCC HAL module driver.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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6 * This file provides firmware functions to manage the following

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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7 * functionalities of the Reset and Clock Control (RCC) peripheral:

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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8 * + Initialization and de-initialization functions

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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9 * + Peripheral Control functions

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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10 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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11 @verbatim

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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12 ==============================================================================

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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13 ##### RCC specific features #####

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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14 ==============================================================================

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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15 [..]

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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16 After reset the device is running from Internal High Speed oscillator

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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17 (HSI 16MHz) with Flash 0 wait state, Flash prefetch buffer, D-Cache

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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18 and I-Cache are disabled, and all peripherals are off except internal

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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19 SRAM, Flash and JTAG.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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20 (+) There is no prescaler on High speed (AHB) and Low speed (APB) busses;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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21 all peripherals mapped on these busses are running at HSI speed.

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22 (+) The clock for all peripherals is switched off, except the SRAM and FLASH.

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23 (+) All GPIOs are in input floating state, except the JTAG pins which

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24 are assigned to be used for debug purpose.

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25

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26 [..]

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27 Once the device started from reset, the user application has to:

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28 (+) Configure the clock source to be used to drive the System clock

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29 (if the application needs higher frequency/performance)

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30 (+) Configure the System clock frequency and Flash settings

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31 (+) Configure the AHB and APB busses prescalers

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32 (+) Enable the clock for the peripheral(s) to be used

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33 (+) Configure the clock source(s) for peripherals which clocks are not

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34 derived from the System clock (I2S, RTC, ADC, USB OTG FS/SDIO/RNG)

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35

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36 ##### RCC Limitations #####

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37 ==============================================================================

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38 [..]

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39 A delay between an RCC peripheral clock enable and the effective peripheral

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40 enabling should be taken into account in order to manage the peripheral read/write

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41 from/to registers.

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42 (+) This delay depends on the peripheral mapping.

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43 (+) If peripheral is mapped on AHB: the delay is 2 AHB clock cycle

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44 after the clock enable bit is set on the hardware register

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45 (+) If peripheral is mapped on APB: the delay is 2 APB clock cycle

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46 after the clock enable bit is set on the hardware register

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47

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48 [..]

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49 Implemented Workaround:

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50 (+) For AHB & APB peripherals, a dummy read to the peripheral register has been

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51 inserted in each __HAL_RCC_PPP_CLK_ENABLE() macro.

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52

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53 @endverbatim

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54 ******************************************************************************

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55 * @attention

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56 *

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58 *

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59 * Redistribution and use in source and binary forms, with or without modification,

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60 * are permitted provided that the following conditions are met:

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61 * 1. Redistributions of source code must retain the above copyright notice,

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62 * this list of conditions and the following disclaimer.

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63 * 2. Redistributions in binary form must reproduce the above copyright notice,

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64 * this list of conditions and the following disclaimer in the documentation

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65 * and/or other materials provided with the distribution.

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66 * 3. Neither the name of STMicroelectronics nor the names of its contributors

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67 * may be used to endorse or promote products derived from this software

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68 * without specific prior written permission.

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69 *

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70 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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71 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

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73 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

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74 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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75 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

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76 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

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77 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

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78 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

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79 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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80 *

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81 ******************************************************************************

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82 */

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83

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84 /* Includes ------------------------------------------------------------------*/

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85 #include "stm32f4xx_hal.h"

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86

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87 /** @addtogroup STM32F4xx_HAL_Driver

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88 * @{

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89 */

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90

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91 /** @defgroup RCC RCC

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92 * @brief RCC HAL module driver

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93 * @{

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94 */

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95

869

4e10a3e087a1 Reactivate Bootloader:

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96

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97 extern __IO const uint8_t AHBPrescTable[16];

128

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98 #ifdef HAL_RCC_MODULE_ENABLED

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99

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100 /* Private typedef -----------------------------------------------------------*/

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101 /* Private define ------------------------------------------------------------*/

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102 /** @addtogroup RCC_Private_Constants

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103 * @{

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104 */

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105

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106 /* Private macro -------------------------------------------------------------*/

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107 #define __MCO1_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()

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108 #define MCO1_GPIO_PORT GPIOA

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109 #define MCO1_PIN GPIO_PIN_8

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110

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111 #define __MCO2_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()

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112 #define MCO2_GPIO_PORT GPIOC

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113 #define MCO2_PIN GPIO_PIN_9

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114 /**

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115 * @}

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116 */

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117

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118 /* Private variables ---------------------------------------------------------*/

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119 /** @defgroup RCC_Private_Variables RCC Private Variables

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120 * @{

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121 */

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122 /**

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123 * @}

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124 */

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125 /* Private function prototypes -----------------------------------------------*/

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126 /* Private functions ---------------------------------------------------------*/

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127

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128 /** @defgroup RCC_Exported_Functions RCC Exported Functions

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129 * @{

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130 */

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131

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132 /** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions

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133 * @brief Initialization and Configuration functions

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134 *

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135 @verbatim

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136 ===============================================================================

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137 ##### Initialization and de-initialization functions #####

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138 ===============================================================================

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139 [..]

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140 This section provides functions allowing to configure the internal/external oscillators

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141 (HSE, HSI, LSE, LSI, PLL, CSS and MCO) and the System busses clocks (SYSCLK, AHB, APB1

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142 and APB2).

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143

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144 [..] Internal/external clock and PLL configuration

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145 (#) HSI (high-speed internal), 16 MHz factory-trimmed RC used directly or through

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146 the PLL as System clock source.

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147

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148 (#) LSI (low-speed internal), 32 KHz low consumption RC used as IWDG and/or RTC

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149 clock source.

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150

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151 (#) HSE (high-speed external), 4 to 26 MHz crystal oscillator used directly or

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152 through the PLL as System clock source. Can be used also as RTC clock source.

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153

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154 (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.

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155

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156 (#) PLL (clocked by HSI or HSE), featuring two different output clocks:

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157 (++) The first output is used to generate the high speed system clock (up to 168 MHz)

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158 (++) The second output is used to generate the clock for the USB OTG FS (48 MHz),

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159 the random analog generator (<=48 MHz) and the SDIO (<= 48 MHz).

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160

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161 (#) CSS (Clock security system), once enable using the macro __HAL_RCC_CSS_ENABLE()

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162 and if a HSE clock failure occurs(HSE used directly or through PLL as System

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163 clock source), the System clocks automatically switched to HSI and an interrupt

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164 is generated if enabled. The interrupt is linked to the Cortex-M4 NMI

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165 (Non-Maskable Interrupt) exception vector.

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166

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167 (#) MCO1 (microcontroller clock output), used to output HSI, LSE, HSE or PLL

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168 clock (through a configurable prescaler) on PA8 pin.

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169

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170 (#) MCO2 (microcontroller clock output), used to output HSE, PLL, SYSCLK or PLLI2S

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171 clock (through a configurable prescaler) on PC9 pin.

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172

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173 [..] System, AHB and APB busses clocks configuration

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174 (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,

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175 HSE and PLL.

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176 The AHB clock (HCLK) is derived from System clock through configurable

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177 prescaler and used to clock the CPU, memory and peripherals mapped

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178 on AHB bus (DMA, GPIO...). APB1 (PCLK1) and APB2 (PCLK2) clocks are derived

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179 from AHB clock through configurable prescalers and used to clock

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180 the peripherals mapped on these busses. You can use

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181 "HAL_RCC_GetSysClockFreq()" function to retrieve the frequencies of these clocks.

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182

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183 (#) For the STM32F405xx/07xx and STM32F415xx/17xx devices, the maximum

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184 frequency of the SYSCLK and HCLK is 168 MHz, PCLK2 84 MHz and PCLK1 42 MHz.

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185 Depending on the device voltage range, the maximum frequency should

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186 be adapted accordingly (refer to the product datasheets for more details).

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187

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188 (#) For the STM32F42xxx, STM32F43xxx, STM32F446xx, STM32F469xx and STM32F479xx devices,

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189 the maximum frequency of the SYSCLK and HCLK is 180 MHz, PCLK2 90 MHz and PCLK1 45 MHz.

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190 Depending on the device voltage range, the maximum frequency should

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191 be adapted accordingly (refer to the product datasheets for more details).

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192

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193 (#) For the STM32F401xx, the maximum frequency of the SYSCLK and HCLK is 84 MHz,

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194 PCLK2 84 MHz and PCLK1 42 MHz.

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195 Depending on the device voltage range, the maximum frequency should

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196 be adapted accordingly (refer to the product datasheets for more details).

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197

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198 (#) For the STM32F41xxx, the maximum frequency of the SYSCLK and HCLK is 100 MHz,

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199 PCLK2 100 MHz and PCLK1 50 MHz.

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200 Depending on the device voltage range, the maximum frequency should

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201 be adapted accordingly (refer to the product datasheets for more details).

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202

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203 @endverbatim

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204 * @{

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205 */

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206

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207 /**

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208 * @brief Resets the RCC clock configuration to the default reset state.

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209 * @note The default reset state of the clock configuration is given below:

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210 * - HSI ON and used as system clock source

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211 * - HSE and PLL OFF

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212 * - AHB, APB1 and APB2 prescaler set to 1.

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213 * - CSS, MCO1 and MCO2 OFF

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214 * - All interrupts disabled

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215 * @note This function doesn't modify the configuration of the

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216 * - Peripheral clocks

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217 * - LSI, LSE and RTC clocks

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218 * @retval HAL status

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219 */

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220 __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)

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221 {

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222 return HAL_OK;

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223 }

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224

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225 /**

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226 * @brief Initializes the RCC Oscillators according to the specified parameters in the

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227 * RCC_OscInitTypeDef.

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228 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that

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229 * contains the configuration information for the RCC Oscillators.

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230 * @note The PLL is not disabled when used as system clock.

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231 * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not

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232 * supported by this API. User should request a transition to LSE Off

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233 * first and then LSE On or LSE Bypass.

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234 * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not

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235 * supported by this API. User should request a transition to HSE Off

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236 * first and then HSE On or HSE Bypass.

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237 * @retval HAL status

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238 */

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239 __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)

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240 {

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241 uint32_t tickstart;

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242

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243 /* Check Null pointer */

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244 if(RCC_OscInitStruct == NULL)

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245 {

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246 return HAL_ERROR;

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247 }

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248

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249 /* Check the parameters */

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250 assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));

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251 /*------------------------------- HSE Configuration ------------------------*/

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252 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)

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253 {

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254 /* Check the parameters */

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255 assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));

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256 /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */

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257 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\

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258 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)))

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259 {

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260 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF))

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261 {

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262 return HAL_ERROR;

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263 }

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264 }

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265 else

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266 {

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267 /* Set the new HSE configuration ---------------------------------------*/

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268 __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);

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269

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270 /* Check the HSE State */

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271 if((RCC_OscInitStruct->HSEState) != RCC_HSE_OFF)

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272 {

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273 /* Get Start Tick */

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274 tickstart = HAL_GetTick();

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275

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276 /* Wait till HSE is ready */

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277 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)

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278 {

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279 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)

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280 {

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281 return HAL_TIMEOUT;

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282 }

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283 }

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284 }

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285 else

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286 {

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287 /* Get Start Tick */

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288 tickstart = HAL_GetTick();

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289

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290 /* Wait till HSE is bypassed or disabled */

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291 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)

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292 {

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293 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)

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294 {

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295 return HAL_TIMEOUT;

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296 }

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297 }

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298 }

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299 }

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300 }

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301 /*----------------------------- HSI Configuration --------------------------*/

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302 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)

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303 {

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304 /* Check the parameters */

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305 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));

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306 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));

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307

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308 /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */

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309 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\

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310 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)))

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311 {

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312 /* When HSI is used as system clock it will not disabled */

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313 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))

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314 {

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315 return HAL_ERROR;

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316 }

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317 /* Otherwise, just the calibration is allowed */

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318 else

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319 {

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320 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/

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321 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);

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322 }

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323 }

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324 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

325 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

326 /* Check the HSI State */

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327 if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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328 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

329 /* Enable the Internal High Speed oscillator (HSI). */

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330 __HAL_RCC_HSI_ENABLE();

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331

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

332 /* Get Start Tick*/

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333 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

334

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

335 /* Wait till HSI is ready */

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336 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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337 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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338 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)

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339 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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340 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

341 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

342 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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343

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

344 /* Adjusts the Internal High Speed oscillator (HSI) calibration value. */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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345 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);

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346 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

347 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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348 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

349 /* Disable the Internal High Speed oscillator (HSI). */

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350 __HAL_RCC_HSI_DISABLE();

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351

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

352 /* Get Start Tick*/

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353 tickstart = HAL_GetTick();

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354

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

355 /* Wait till HSI is ready */

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356 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)

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357 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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358 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)

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359 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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360 return HAL_TIMEOUT;

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361 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

362 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

363 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

364 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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365 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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366 /*------------------------------ LSI Configuration -------------------------*/

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367 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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368 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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369 /* Check the parameters */

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370 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));

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371

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

372 /* Check the LSI State */

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373 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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374 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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375 /* Enable the Internal Low Speed oscillator (LSI). */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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376 __HAL_RCC_LSI_ENABLE();

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377

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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378 /* Get Start Tick*/

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379 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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380

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

381 /* Wait till LSI is ready */

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382 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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383 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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384 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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385 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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386 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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387 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

388 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

389 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

390 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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391 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

392 /* Disable the Internal Low Speed oscillator (LSI). */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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393 __HAL_RCC_LSI_DISABLE();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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394

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

395 /* Get Start Tick */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

396 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

397

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

398 /* Wait till LSI is ready */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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399 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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400 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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401 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

402 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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403 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

404 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

405 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

406 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

407 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

408 /*------------------------------ LSE Configuration -------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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409 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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410 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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411 FlagStatus pwrclkchanged = RESET;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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412

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

413 /* Check the parameters */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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414 assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

415

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

416 /* Update LSE configuration in Backup Domain control register */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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417 /* Requires to enable write access to Backup Domain of necessary */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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418 if(__HAL_RCC_PWR_IS_CLK_DISABLED())

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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419 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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420 __HAL_RCC_PWR_CLK_ENABLE();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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421 pwrclkchanged = SET;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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422 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

423

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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424 if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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425 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

426 /* Enable write access to Backup domain */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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427 SET_BIT(PWR->CR, PWR_CR_DBP);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

428

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

429 /* Wait for Backup domain Write protection disable */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

430 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

431

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

432 while(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

433 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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434 if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

435 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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436 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

437 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

438 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

439 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

440

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

441 /* Set the new LSE configuration -----------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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442 __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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443 /* Check the LSE State */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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444 if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

445 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

446 /* Get Start Tick*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

447 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

448

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

449 /* Wait till LSE is ready */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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450 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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451 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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452 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

453 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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454 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

455 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

456 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

457 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

458 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

459 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

460 /* Get Start Tick */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

461 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

462

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

463 /* Wait till LSE is ready */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

464 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

465 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

466 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

467 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

468 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

469 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

470 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

471 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

472

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

473 /* Restore clock configuration if changed */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

474 if(pwrclkchanged == SET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

475 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

476 __HAL_RCC_PWR_CLK_DISABLE();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

477 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

478 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

479 /*-------------------------------- PLL Configuration -----------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

480 /* Check the parameters */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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481 assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

482 if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

483 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

484 /* Check if the PLL is used as system clock or not */

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485 if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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486 {

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487 if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)

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488 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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489 /* Check the parameters */

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490 assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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491 assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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492 assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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493 assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP));

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494 assert_param(IS_RCC_PLLQ_VALUE(RCC_OscInitStruct->PLL.PLLQ));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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495

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

496 /* Disable the main PLL. */

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497 __HAL_RCC_PLL_DISABLE();

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498

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

499 /* Get Start Tick */

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500 tickstart = HAL_GetTick();

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diff changeset

501

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

502 /* Wait till PLL is ready */

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503 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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504 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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505 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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506 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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507 return HAL_TIMEOUT;

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508 }

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diff changeset

509 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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510

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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511 /* Configure the main PLL clock source, multiplication and division factors. */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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512 WRITE_REG(RCC->PLLCFGR, (RCC_OscInitStruct->PLL.PLLSource | \

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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513 RCC_OscInitStruct->PLL.PLLM | \

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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514 (RCC_OscInitStruct->PLL.PLLN << RCC_PLLCFGR_PLLN_Pos) | \

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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515 (((RCC_OscInitStruct->PLL.PLLP >> 1U) - 1U) << RCC_PLLCFGR_PLLP_Pos) | \

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516 (RCC_OscInitStruct->PLL.PLLQ << RCC_PLLCFGR_PLLQ_Pos)));

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517 /* Enable the main PLL. */

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518 __HAL_RCC_PLL_ENABLE();

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519

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520 /* Get Start Tick */

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521 tickstart = HAL_GetTick();

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522

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523 /* Wait till PLL is ready */

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524 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)

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525 {

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526 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)

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527 {

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528 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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529 }

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530 }

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531 }

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532 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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533 {

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534 /* Disable the main PLL. */

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535 __HAL_RCC_PLL_DISABLE();

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536

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

537 /* Get Start Tick */

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538 tickstart = HAL_GetTick();

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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539

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

540 /* Wait till PLL is ready */

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diff changeset

541 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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542 {

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543 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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544 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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545 return HAL_TIMEOUT;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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546 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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547 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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548 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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549 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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550 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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551 {

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552 return HAL_ERROR;

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553 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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554 }

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555 return HAL_OK;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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556 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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557

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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558 /**

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559 * @brief Initializes the CPU, AHB and APB busses clocks according to the specified

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560 * parameters in the RCC_ClkInitStruct.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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561 * @param RCC_ClkInitStruct pointer to an RCC_OscInitTypeDef structure that

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562 * contains the configuration information for the RCC peripheral.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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563 * @param FLatency FLASH Latency, this parameter depend on device selected

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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564 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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565 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

566 * and updated by HAL_RCC_GetHCLKFreq() function called within this function

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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567 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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568 * @note The HSI is used (enabled by hardware) as system clock source after

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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569 * startup from Reset, wake-up from STOP and STANDBY mode, or in case

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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570 * of failure of the HSE used directly or indirectly as system clock

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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571 * (if the Clock Security System CSS is enabled).

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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572 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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573 * @note A switch from one clock source to another occurs only if the target

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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574 * clock source is ready (clock stable after startup delay or PLL locked).

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575 * If a clock source which is not yet ready is selected, the switch will

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

576 * occur when the clock source will be ready.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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577 *

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578 * @note Depending on the device voltage range, the software has to set correctly

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

579 * HPRE[3:0] bits to ensure that HCLK not exceed the maximum allowed frequency

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580 * (for more details refer to section above "Initialization/de-initialization functions")

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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581 * @retval None

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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582 */

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583 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency)

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584 {

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585 uint32_t tickstart;

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586

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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587 /* Check Null pointer */

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588 if(RCC_ClkInitStruct == NULL)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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589 {

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590 return HAL_ERROR;

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591 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

592

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diff changeset

593 /* Check the parameters */

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594 assert_param(IS_RCC_CLOCKTYPE(RCC_ClkInitStruct->ClockType));

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595 assert_param(IS_FLASH_LATENCY(FLatency));

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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596

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

597 /* To correctly read data from FLASH memory, the number of wait states (LATENCY)

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598 must be correctly programmed according to the frequency of the CPU clock

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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599 (HCLK) and the supply voltage of the device. */

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600

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

601 /* Increasing the number of wait states because of higher CPU frequency */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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602 if(FLatency > __HAL_FLASH_GET_LATENCY())

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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603 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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604 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */

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605 __HAL_FLASH_SET_LATENCY(FLatency);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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606

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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607 /* Check that the new number of wait states is taken into account to access the Flash

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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608 memory by reading the FLASH_ACR register */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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609 if(__HAL_FLASH_GET_LATENCY() != FLatency)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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610 {

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611 return HAL_ERROR;

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612 }

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613 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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614

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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615 /*-------------------------- HCLK Configuration --------------------------*/

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616 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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617 {

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618 /* Set the highest APBx dividers in order to ensure that we do not go through

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619 a non-spec phase whatever we decrease or increase HCLK. */

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620 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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621 {

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622 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_HCLK_DIV16);

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623 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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624

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625 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)

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626 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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627 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, (RCC_HCLK_DIV16 << 3));

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628 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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629

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630 assert_param(IS_RCC_HCLK(RCC_ClkInitStruct->AHBCLKDivider));

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631 MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider);

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632 }

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633

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634 /*------------------------- SYSCLK Configuration ---------------------------*/

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635 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK)

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636 {

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637 assert_param(IS_RCC_SYSCLKSOURCE(RCC_ClkInitStruct->SYSCLKSource));

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638

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639 /* HSE is selected as System Clock Source */

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640 if(RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE)

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641 {

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642 /* Check the HSE ready flag */

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643 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)

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644 {

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645 return HAL_ERROR;

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646 }

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647 }

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diff changeset

648 /* PLL is selected as System Clock Source */

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649 else if((RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) ||

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650 (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLRCLK))

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651 {

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652 /* Check the PLL ready flag */

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653 if(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)

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654 {

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655 return HAL_ERROR;

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656 }

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657 }

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658 /* HSI is selected as System Clock Source */

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659 else

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660 {

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661 /* Check the HSI ready flag */

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662 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)

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663 {

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664 return HAL_ERROR;

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665 }

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666 }

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667

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668 __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource);

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669

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670 /* Get Start Tick */

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671 tickstart = HAL_GetTick();

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672

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673 while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos))

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674 {

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675 if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE)

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676 {

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677 return HAL_TIMEOUT;

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678 }

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679 }

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680 }

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681

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682 /* Decreasing the number of wait states because of lower CPU frequency */

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683 if(FLatency < __HAL_FLASH_GET_LATENCY())

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684 {

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685 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */

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686 __HAL_FLASH_SET_LATENCY(FLatency);

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687

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diff changeset

688 /* Check that the new number of wait states is taken into account to access the Flash

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689 memory by reading the FLASH_ACR register */

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690 if(__HAL_FLASH_GET_LATENCY() != FLatency)

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691 {

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692 return HAL_ERROR;

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693 }

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694 }

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695

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696 /*-------------------------- PCLK1 Configuration ---------------------------*/

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697 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)

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698 {

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699 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider));

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700 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_ClkInitStruct->APB1CLKDivider);

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701 }

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702

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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703 /*-------------------------- PCLK2 Configuration ---------------------------*/

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704 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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705 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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706 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider));

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707 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3U));

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708 }

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709

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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710 /* Update the SystemCoreClock global variable */

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711 SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE)>> RCC_CFGR_HPRE_Pos];

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712

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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713 /* Configure the source of time base considering new system clocks settings */

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714 HAL_InitTick (TICK_INT_PRIORITY);

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715

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716 return HAL_OK;

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717 }

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718

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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719 /**

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720 * @}

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721 */

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722

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723 /** @defgroup RCC_Exported_Functions_Group2 Peripheral Control functions

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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724 * @brief RCC clocks control functions

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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725 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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726 @verbatim

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727 ===============================================================================

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728 ##### Peripheral Control functions #####

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729 ===============================================================================

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730 [..]

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731 This subsection provides a set of functions allowing to control the RCC Clocks

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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732 frequencies.

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733

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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734 @endverbatim

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735 * @{

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736 */

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737

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738 /**

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739 * @brief Selects the clock source to output on MCO1 pin(PA8) or on MCO2 pin(PC9).

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740 * @note PA8/PC9 should be configured in alternate function mode.

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741 * @param RCC_MCOx specifies the output direction for the clock source.

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742 * This parameter can be one of the following values:

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743 * @arg RCC_MCO1: Clock source to output on MCO1 pin(PA8).

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744 * @arg RCC_MCO2: Clock source to output on MCO2 pin(PC9).

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745 * @param RCC_MCOSource specifies the clock source to output.

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746 * This parameter can be one of the following values:

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747 * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source

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748 * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source

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749 * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source

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750 * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source

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751 * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source

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752 * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx

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753 * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices

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754 * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source

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755 * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source

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756 * @param RCC_MCODiv specifies the MCOx prescaler.

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757 * This parameter can be one of the following values:

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758 * @arg RCC_MCODIV_1: no division applied to MCOx clock

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759 * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock

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760 * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock

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761 * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock

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762 * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock

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763 * @note For STM32F410Rx devices to output I2SCLK clock on MCO2 you should have

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764 * at last one of the SPI clocks enabled (SPI1, SPI2 or SPI5).

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765 * @retval None

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766 */

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767 void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv)

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768 {

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769 GPIO_InitTypeDef GPIO_InitStruct;

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770 /* Check the parameters */

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771 assert_param(IS_RCC_MCO(RCC_MCOx));

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772 assert_param(IS_RCC_MCODIV(RCC_MCODiv));

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773 /* RCC_MCO1 */

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774 if(RCC_MCOx == RCC_MCO1)

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775 {

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776 assert_param(IS_RCC_MCO1SOURCE(RCC_MCOSource));

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777

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778 /* MCO1 Clock Enable */

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779 __MCO1_CLK_ENABLE();

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780

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781 /* Configure the MCO1 pin in alternate function mode */

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782 GPIO_InitStruct.Pin = MCO1_PIN;

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783 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

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784 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;

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785 GPIO_InitStruct.Pull = GPIO_NOPULL;

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786 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;

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diff changeset

787 HAL_GPIO_Init(MCO1_GPIO_PORT, &GPIO_InitStruct);

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diff changeset

788

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diff changeset

789 /* Mask MCO1 and MCO1PRE[2:0] bits then Select MCO1 clock source and prescaler */

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diff changeset

790 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), (RCC_MCOSource | RCC_MCODiv));

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791

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diff changeset

792 /* This RCC MCO1 enable feature is available only on STM32F410xx devices */

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793 #if defined(RCC_CFGR_MCO1EN)

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794 __HAL_RCC_MCO1_ENABLE();

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795 #endif /* RCC_CFGR_MCO1EN */

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796 }

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diff changeset

797 #if defined(RCC_CFGR_MCO2)

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798 else

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799 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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800 assert_param(IS_RCC_MCO2SOURCE(RCC_MCOSource));

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diff changeset

801

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

802 /* MCO2 Clock Enable */

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803 __MCO2_CLK_ENABLE();

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diff changeset

804

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diff changeset

805 /* Configure the MCO2 pin in alternate function mode */

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806 GPIO_InitStruct.Pin = MCO2_PIN;

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diff changeset

807 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

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diff changeset

808 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;

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diff changeset

809 GPIO_InitStruct.Pull = GPIO_NOPULL;

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diff changeset

810 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;

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diff changeset

811 HAL_GPIO_Init(MCO2_GPIO_PORT, &GPIO_InitStruct);

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812

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

813 /* Mask MCO2 and MCO2PRE[2:0] bits then Select MCO2 clock source and prescaler */

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814 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), (RCC_MCOSource | (RCC_MCODiv << 3U)));

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815

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diff changeset

816 /* This RCC MCO2 enable feature is available only on STM32F410Rx devices */

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817 #if defined(RCC_CFGR_MCO2EN)

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818 __HAL_RCC_MCO2_ENABLE();

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819 #endif /* RCC_CFGR_MCO2EN */

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820 }

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821 #endif /* RCC_CFGR_MCO2 */

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822 }

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823

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824 /**

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825 * @brief Enables the Clock Security System.

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826 * @note If a failure is detected on the HSE oscillator clock, this oscillator

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827 * is automatically disabled and an interrupt is generated to inform the

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

828 * software about the failure (Clock Security System Interrupt, CSSI),

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

829 * allowing the MCU to perform rescue operations. The CSSI is linked to

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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830 * the Cortex-M4 NMI (Non-Maskable Interrupt) exception vector.

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831 * @retval None

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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832 */

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833 void HAL_RCC_EnableCSS(void)

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834 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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835 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)ENABLE;

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836 }

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837

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838 /**

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839 * @brief Disables the Clock Security System.

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840 * @retval None

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841 */

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842 void HAL_RCC_DisableCSS(void)

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843 {

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844 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)DISABLE;

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845 }

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846

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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847 /**

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848 * @brief Returns the SYSCLK frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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849 *

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850 * @note The system frequency computed by this function is not the real

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diff changeset

851 * frequency in the chip. It is calculated based on the predefined

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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852 * constant and the selected clock source:

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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853 * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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854 * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(**)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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855 * @note If SYSCLK source is PLL, function returns values based on HSE_VALUE(**)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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856 * or HSI_VALUE(*) multiplied/divided by the PLL factors.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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857 * @note (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value

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858 * 16 MHz) but the real value may vary depending on the variations

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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859 * in voltage and temperature.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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860 * @note (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value

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861 * 25 MHz), user has to ensure that HSE_VALUE is same as the real

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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862 * frequency of the crystal used. Otherwise, this function may

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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863 * have wrong result.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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864 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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865 * @note The result of this function could be not correct when using fractional

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

866 * value for HSE crystal.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

867 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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868 * @note This function can be used by the user application to compute the

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

869 * baudrate for the communication peripherals or configure other parameters.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

870 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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871 * @note Each time SYSCLK changes, this function must be called to update the

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

872 * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

873 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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874 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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875 * @retval SYSCLK frequency

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876 */

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877 __weak uint32_t HAL_RCC_GetSysClockFreq(void)

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878 {

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879 uint32_t pllm = 0U, pllvco = 0U, pllp = 0U;

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880 uint32_t sysclockfreq = 0U;

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881

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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882 /* Get SYSCLK source -------------------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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883 switch (RCC->CFGR & RCC_CFGR_SWS)

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884 {

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885 case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */

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886 {

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887 sysclockfreq = HSI_VALUE;

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888 break;

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889 }

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890 case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */

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891 {

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892 sysclockfreq = HSE_VALUE;

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893 break;

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894 }

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895 case RCC_CFGR_SWS_PLL: /* PLL used as system clock source */

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896 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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897 /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN

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898 SYSCLK = PLL_VCO / PLLP */

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899 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;

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900 if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI)

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901 {

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902 /* HSE used as PLL clock source */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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903 pllvco = (uint32_t) ((((uint64_t) HSE_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);

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904 }

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905 else

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906 {

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907 /* HSI used as PLL clock source */

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908 pllvco = (uint32_t) ((((uint64_t) HSI_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);

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909 }

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910 pllp = ((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >> RCC_PLLCFGR_PLLP_Pos) + 1U) *2U);

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911

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912 sysclockfreq = pllvco/pllp;

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913 break;

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914 }

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915 default:

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916 {

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917 sysclockfreq = HSI_VALUE;

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918 break;

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919 }

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920 }

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921 return sysclockfreq;

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922 }

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923

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924 /**

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925 * @brief Returns the HCLK frequency

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926 * @note Each time HCLK changes, this function must be called to update the

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927 * right HCLK value. Otherwise, any configuration based on this function will be incorrect.

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928 *

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929 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency

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930 * and updated within this function

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931 * @retval HCLK frequency

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932 */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

933 uint32_t HAL_RCC_GetHCLKFreq(void)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

934 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

935 return SystemCoreClock;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

936 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

937

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

938 /**

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

939 * @brief Returns the PCLK1 frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

940 * @note Each time PCLK1 changes, this function must be called to update the

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

941 * right PCLK1 value. Otherwise, any configuration based on this function will be incorrect.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

942 * @retval PCLK1 frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

943 */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

944 uint32_t HAL_RCC_GetPCLK1Freq(void)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

945 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

946 /* Get HCLK source and Compute PCLK1 frequency ---------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

947 return (HAL_RCC_GetHCLKFreq() >> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE1)>> RCC_CFGR_PPRE1_Pos]);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

948 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

949

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

950 /**

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

951 * @brief Returns the PCLK2 frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

952 * @note Each time PCLK2 changes, this function must be called to update the

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

953 * right PCLK2 value. Otherwise, any configuration based on this function will be incorrect.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

954 * @retval PCLK2 frequency

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

955 */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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956 uint32_t HAL_RCC_GetPCLK2Freq(void)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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957 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

958 /* Get HCLK source and Compute PCLK2 frequency ---------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

959 return (HAL_RCC_GetHCLKFreq()>> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE2)>> RCC_CFGR_PPRE2_Pos]);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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960 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

961

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

962 /**

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

963 * @brief Configures the RCC_OscInitStruct according to the internal

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

964 * RCC configuration registers.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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965 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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966 * will be configured.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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967 * @retval None

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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968 */

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969 __weak void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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970 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

971 /* Set all possible values for the Oscillator type parameter ---------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

972 RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

973

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

974 /* Get the HSE configuration -----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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975 if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

976 {

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977 RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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978 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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979 else if((RCC->CR &RCC_CR_HSEON) == RCC_CR_HSEON)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

980 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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981 RCC_OscInitStruct->HSEState = RCC_HSE_ON;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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982 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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983 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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984 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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985 RCC_OscInitStruct->HSEState = RCC_HSE_OFF;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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986 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

987

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

988 /* Get the HSI configuration -----------------------------------------------*/

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diff changeset

989 if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

990 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

991 RCC_OscInitStruct->HSIState = RCC_HSI_ON;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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992 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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993 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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994 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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995 RCC_OscInitStruct->HSIState = RCC_HSI_OFF;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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996 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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997

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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998 RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

999

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

1000 /* Get the LSE configuration -----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1001 if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1002 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1003 RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1004 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1005 else if((RCC->BDCR &RCC_BDCR_LSEON) == RCC_BDCR_LSEON)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1006 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1007 RCC_OscInitStruct->LSEState = RCC_LSE_ON;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1008 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1009 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1010 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1011 RCC_OscInitStruct->LSEState = RCC_LSE_OFF;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1012 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1013

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1014 /* Get the LSI configuration -----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1015 if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1016 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1017 RCC_OscInitStruct->LSIState = RCC_LSI_ON;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1018 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1019 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1020 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1021 RCC_OscInitStruct->LSIState = RCC_LSI_OFF;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1022 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1023

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1024 /* Get the PLL configuration -----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1025 if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1026 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1027 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1028 }

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diff changeset

1029 else

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

1030 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1031 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

1032 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1033 RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

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diff changeset

1034 RCC_OscInitStruct->PLL.PLLM = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1035 RCC_OscInitStruct->PLL.PLLN = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1036 RCC_OscInitStruct->PLL.PLLP = (uint32_t)((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) + RCC_PLLCFGR_PLLP_0) << 1U) >> RCC_PLLCFGR_PLLP_Pos);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1037 RCC_OscInitStruct->PLL.PLLQ = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLQ) >> RCC_PLLCFGR_PLLQ_Pos);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1038 }

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

Ideenmodellierer

parents:

diff changeset

1039

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1040 /**

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1041 * @brief Configures the RCC_ClkInitStruct according to the internal

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1042 * RCC configuration registers.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1043 * @param RCC_ClkInitStruct pointer to an RCC_ClkInitTypeDef structure that

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1044 * will be configured.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1045 * @param pFLatency Pointer on the Flash Latency.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1046 * @retval None

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

1047 */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1048 void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1049 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1050 /* Set all possible values for the Clock type parameter --------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1051 RCC_ClkInitStruct->ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1052

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1053 /* Get the SYSCLK configuration --------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1054 RCC_ClkInitStruct->SYSCLKSource = (uint32_t)(RCC->CFGR & RCC_CFGR_SW);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1055

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1056 /* Get the HCLK configuration ----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1057 RCC_ClkInitStruct->AHBCLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_HPRE);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1058

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1059 /* Get the APB1 configuration ----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1060 RCC_ClkInitStruct->APB1CLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_PPRE1);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1061

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

1062 /* Get the APB2 configuration ----------------------------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1063 RCC_ClkInitStruct->APB2CLKDivider = (uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3U);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1064

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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parents:

diff changeset

1065 /* Get the Flash Wait State (Latency) configuration ------------------------*/

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1066 *pFLatency = (uint32_t)(FLASH->ACR & FLASH_ACR_LATENCY);

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1067 }

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1068

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1069 /**

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1070 * @brief This function handles the RCC CSS interrupt request.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1071 * @note This API should be called under the NMI_Handler().

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1072 * @retval None

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1073 */

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1074 void HAL_RCC_NMI_IRQHandler(void)

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1075 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1076 /* Check RCC CSSF flag */

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1077 if(__HAL_RCC_GET_IT(RCC_IT_CSS))

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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diff changeset

1078 {

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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1079 /* RCC Clock Security System interrupt user callback */

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1080 HAL_RCC_CSSCallback();

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1081

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1082 /* Clear RCC CSS pending bit */

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1083 __HAL_RCC_CLEAR_IT(RCC_IT_CSS);

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1084 }

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1085 }

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1086

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1087 /**

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1088 * @brief RCC Clock Security System interrupt callback

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1089 * @retval None

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1090 */

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1091 __weak void HAL_RCC_CSSCallback(void)

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1092 {

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1093 /* NOTE : This function Should not be modified, when the callback is needed,

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1094 the HAL_RCC_CSSCallback could be implemented in the user file

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1095 */

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1096 }

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1097

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1098 /**

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1099 * @}

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1100 */

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1101

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1102 /**

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1103 * @}

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1104 */

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1105

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1106 #endif /* HAL_RCC_MODULE_ENABLED */

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1107 /**

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1108 * @}

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1109 */

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1110

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1111 /**

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1112 * @}

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1113 */

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1114

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1115 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Mercurial > public > ostc4

annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @ 969:81049905d829 Evo_2_23