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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @ 900:6a7701f66b16 Evo_2_23

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minor: LED/Vibration behavior on wake-up
author heinrichsweikamp
date Tue, 01 Oct 2024 14:18:21 +0200
parents 4e10a3e087a1
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_rcc.c
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4 * @author MCD Application Team
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5 * @brief RCC HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the Reset and Clock Control (RCC) peripheral:
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8 * + Initialization and de-initialization functions
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9 * + Peripheral Control functions
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### RCC specific features #####
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14 ==============================================================================
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15 [..]
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16 After reset the device is running from Internal High Speed oscillator
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17 (HSI 16MHz) with Flash 0 wait state, Flash prefetch buffer, D-Cache
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18 and I-Cache are disabled, and all peripherals are off except internal
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19 SRAM, Flash and JTAG.
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20 (+) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
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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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57 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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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
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96
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97 extern __IO const uint8_t AHBPrescTable[16];
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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)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
303 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
304 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
305 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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306 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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307
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
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309 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
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311 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
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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
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314 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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315 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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316 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
317 /* Otherwise, just the calibration is allowed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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318 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
319 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
320 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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321 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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322 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
323 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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330 __HAL_RCC_HSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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diff changeset
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);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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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diff changeset
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). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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350 __HAL_RCC_HSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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353 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
354
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
355 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
356 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
357 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
358 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
359 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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360 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
361 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
362 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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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diff changeset
365 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
366 /*------------------------------ LSI Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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370 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
373 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
374 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
375 /* Enable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
376 __HAL_RCC_LSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
377
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
378 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
379 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
380
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
381 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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diff changeset
383 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
384 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
385 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
386 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
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diff changeset
393 __HAL_RCC_LSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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
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diff changeset
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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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
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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
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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
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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
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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
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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
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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
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diff changeset
420 __HAL_RCC_PWR_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
421 pwrclkchanged = SET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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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
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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
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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
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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();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
504 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
505 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
506 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
507 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
508 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
509 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
510
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 /* Configure the main PLL clock source, multiplication and division factors. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 WRITE_REG(RCC->PLLCFGR, (RCC_OscInitStruct->PLL.PLLSource | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 RCC_OscInitStruct->PLL.PLLM | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
514 (RCC_OscInitStruct->PLL.PLLN << RCC_PLLCFGR_PLLN_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 (((RCC_OscInitStruct->PLL.PLLP >> 1U) - 1U) << RCC_PLLCFGR_PLLP_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 (RCC_OscInitStruct->PLL.PLLQ << RCC_PLLCFGR_PLLQ_Pos)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517 /* Enable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 __HAL_RCC_PLL_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
525 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
526 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
527 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
528 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
529 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
530 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
531 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
532 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
534 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
535 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
542 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
543 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
544 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
545 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
546 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
547 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
548 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
549 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
550 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
551 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
552 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
553 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
554 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
555 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
556 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
557
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
558 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 * @brief Initializes the CPU, AHB and APB busses clocks according to the specified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
560 * parameters in the RCC_ClkInitStruct.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 * @param RCC_ClkInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
562 * contains the configuration information for the RCC peripheral.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563 * @param FLatency FLASH Latency, this parameter depend on device selected
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
564 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
565 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
567 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
570 * of failure of the HSE used directly or indirectly as system clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
571 * (if the Clock Security System CSS is enabled).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
572 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
574 * clock source is ready (clock stable after startup delay or PLL locked).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
576 * occur when the clock source will be ready.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
577 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
579 * HPRE[3:0] bits to ensure that HCLK not exceed the maximum allowed frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
580 * (for more details refer to section above "Initialization/de-initialization functions")
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
581 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
582 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
583 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
584 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
585 uint32_t tickstart;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
586
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
587 /* Check Null pointer */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
588 if(RCC_ClkInitStruct == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
589 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
590 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
591 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
592
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
593 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
594 assert_param(IS_RCC_CLOCKTYPE(RCC_ClkInitStruct->ClockType));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
595 assert_param(IS_FLASH_LATENCY(FLatency));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
596
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
597 /* To correctly read data from FLASH memory, the number of wait states (LATENCY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
598 must be correctly programmed according to the frequency of the CPU clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
599 (HCLK) and the supply voltage of the device. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
600
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
602 if(FLatency > __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
603 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
604 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
605 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
606
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
608 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
609 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
610 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
611 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
612 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
613 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
614
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
615 /*-------------------------- HCLK Configuration --------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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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diff changeset
617 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
618 /* Set the highest APBx dividers in order to ensure that we do not go through
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
619 a non-spec phase whatever we decrease or increase HCLK. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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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 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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622 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_HCLK_DIV16);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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623 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
624
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
625 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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diff changeset
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));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
628 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
629
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
630 assert_param(IS_RCC_HCLK(RCC_ClkInitStruct->AHBCLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
631 MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider);
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diff changeset
632 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
633
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
634 /*------------------------- SYSCLK Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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635 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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636 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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637 assert_param(IS_RCC_SYSCLKSOURCE(RCC_ClkInitStruct->SYSCLKSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
638
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
639 /* HSE is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
640 if(RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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641 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
642 /* Check the HSE ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
643 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
644 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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645 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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646 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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647 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
648 /* PLL is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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649 else if((RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) ||
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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650 (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLRCLK))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
651 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
652 /* Check the PLL ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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653 if(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
654 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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655 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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656 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
657 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
658 /* HSI is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
659 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
660 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
661 /* Check the HSI ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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662 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
663 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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664 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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665 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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666 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
667
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
668 __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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669
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
670 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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671 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
672
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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673 while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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674 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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675 if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
676 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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677 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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678 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
679 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
680 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
681
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
682 /* Decreasing the number of wait states because of lower CPU frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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683 if(FLatency < __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
684 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
685 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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686 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
687
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
688 /* 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
Ideenmodellierer
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diff changeset
689 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
690 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
691 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
692 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
693 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
694 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696 /*-------------------------- PCLK1 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
699 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
700 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_ClkInitStruct->APB1CLKDivider);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
701 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 /*-------------------------- PCLK2 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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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parents:
diff changeset
705 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
710 /* Update the SystemCoreClock global variable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
711 SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE)>> RCC_CFGR_HPRE_Pos];
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713 /* Configure the source of time base considering new system clocks settings */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
714 HAL_InitTick (TICK_INT_PRIORITY);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
715
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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716 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
717 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
718
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
719 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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720 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
722
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
723 /** @defgroup RCC_Exported_Functions_Group2 Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
724 * @brief RCC clocks control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
725 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
727 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
728 ##### Peripheral Control functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
729 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
730 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
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
Ideenmodellierer
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diff changeset
732 frequencies.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
733
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
734 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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735 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
736 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
737
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
738 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
739 * @brief Selects the clock source to output on MCO1 pin(PA8) or on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
740 * @note PA8/PC9 should be configured in alternate function mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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741 * @param RCC_MCOx specifies the output direction for the clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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742 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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743 * @arg RCC_MCO1: Clock source to output on MCO1 pin(PA8).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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744 * @arg RCC_MCO2: Clock source to output on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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745 * @param RCC_MCOSource specifies the clock source to output.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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746 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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747 * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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748 * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
749 * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
750 * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
751 * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
752 * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
753 * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
754 * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
755 * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
756 * @param RCC_MCODiv specifies the MCOx prescaler.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
757 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
758 * @arg RCC_MCODIV_1: no division applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
759 * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
760 * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
761 * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
762 * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
763 * @note For STM32F410Rx devices to output I2SCLK clock on MCO2 you should have
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
764 * at last one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
765 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
766 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
767 void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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768 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
769 GPIO_InitTypeDef GPIO_InitStruct;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
770 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
771 assert_param(IS_RCC_MCO(RCC_MCOx));
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parents:
diff changeset
772 assert_param(IS_RCC_MCODIV(RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
773 /* RCC_MCO1 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
774 if(RCC_MCOx == RCC_MCO1)
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diff changeset
775 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
776 assert_param(IS_RCC_MCO1SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
777
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
778 /* MCO1 Clock Enable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
779 __MCO1_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
780
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
781 /* Configure the MCO1 pin in alternate function mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
782 GPIO_InitStruct.Pin = MCO1_PIN;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
783 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
784 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
785 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
786 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
787 HAL_GPIO_Init(MCO1_GPIO_PORT, &GPIO_InitStruct);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
788
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
789 /* Mask MCO1 and MCO1PRE[2:0] bits then Select MCO1 clock source and prescaler */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
790 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), (RCC_MCOSource | RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
791
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
792 /* This RCC MCO1 enable feature is available only on STM32F410xx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
793 #if defined(RCC_CFGR_MCO1EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
794 __HAL_RCC_MCO1_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
795 #endif /* RCC_CFGR_MCO1EN */
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diff changeset
796 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
797 #if defined(RCC_CFGR_MCO2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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798 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
799 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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800 assert_param(IS_RCC_MCO2SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
801
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
802 /* MCO2 Clock Enable */
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parents:
diff changeset
803 __MCO2_CLK_ENABLE();
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parents:
diff changeset
804
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
805 /* Configure the MCO2 pin in alternate function mode */
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diff changeset
806 GPIO_InitStruct.Pin = MCO2_PIN;
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diff changeset
807 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
808 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
809 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
810 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
811 HAL_GPIO_Init(MCO2_GPIO_PORT, &GPIO_InitStruct);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
812
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
813 /* Mask MCO2 and MCO2PRE[2:0] bits then Select MCO2 clock source and prescaler */
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diff changeset
814 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), (RCC_MCOSource | (RCC_MCODiv << 3U)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
815
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
816 /* This RCC MCO2 enable feature is available only on STM32F410Rx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
817 #if defined(RCC_CFGR_MCO2EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
818 __HAL_RCC_MCO2_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
819 #endif /* RCC_CFGR_MCO2EN */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
820 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
821 #endif /* RCC_CFGR_MCO2 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
822 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
823
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
824 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
825 * @brief Enables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
826 * @note If a failure is detected on the HSE oscillator clock, this oscillator
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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parents:
diff changeset
830 * the Cortex-M4 NMI (Non-Maskable Interrupt) exception vector.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
831 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
832 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
833 void HAL_RCC_EnableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
834 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
835 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)ENABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
836 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
837
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
838 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
839 * @brief Disables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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840 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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841 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
842 void HAL_RCC_DisableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
843 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
844 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)DISABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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845 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
846
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
847 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
848 * @brief Returns the SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
849 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
850 * @note The system frequency computed by this function is not the real
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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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parents:
diff changeset
852 * constant and the selected clock source:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
857 * @note (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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diff changeset
859 * in voltage and temperature.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
860 * @note (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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parents:
diff changeset
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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parents:
diff changeset
863 * have wrong result.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
864 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
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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parents:
diff changeset
866 * value for HSE crystal.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
867 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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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parents:
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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parents:
diff changeset
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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parents:
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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parents:
diff changeset
873 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
874 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
875 * @retval SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
876 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
877 __weak uint32_t HAL_RCC_GetSysClockFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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878 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
879 uint32_t pllm = 0U, pllvco = 0U, pllp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
880 uint32_t sysclockfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
881
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
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 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
885 case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
886 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
887 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
888 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
889 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
890 case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
891 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
892 sysclockfreq = HSE_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
893 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
894 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
895 case RCC_CFGR_SWS_PLL: /* PLL used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
896 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
897 /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
898 SYSCLK = PLL_VCO / PLLP */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
899 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
900 if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
901 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
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);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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904 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
905 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
906 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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907 /* HSI used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
908 pllvco = (uint32_t) ((((uint64_t) HSI_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
909 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
910 pllp = ((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >> RCC_PLLCFGR_PLLP_Pos) + 1U) *2U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
911
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
912 sysclockfreq = pllvco/pllp;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
913 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
914 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
915 default:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
916 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
917 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
918 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
919 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
920 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
921 return sysclockfreq;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
922 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
923
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
924 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
925 * @brief Returns the HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
926 * @note Each time HCLK changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
927 * right HCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
928 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
929 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
930 * and updated within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
931 * @retval HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
932 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
933 uint32_t HAL_RCC_GetHCLKFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
934 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
935 return SystemCoreClock;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
936 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
937
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
938 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
939 * @brief Returns the PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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
Ideenmodellierer
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
Ideenmodellierer
parents:
diff changeset
942 * @retval PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
943 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
944 uint32_t HAL_RCC_GetPCLK1Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
945 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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
Ideenmodellierer
parents:
diff changeset
948 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
949
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
950 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
951 * @brief Returns the PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
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
Ideenmodellierer
parents:
diff changeset
954 * @retval PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
955 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
956 uint32_t HAL_RCC_GetPCLK2Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
957 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
958 /* Get HCLK source and Compute PCLK2 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
960 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
961
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
962 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
963 * @brief Configures the RCC_OscInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
964 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
965 * @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
966 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
967 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
968 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
969 __weak void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
970 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
971 /* Set all possible values for the Oscillator type parameter ---------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
973
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
974 /* Get the HSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
975 if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
976 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
977 RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
978 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
979 else if((RCC->CR &RCC_CR_HSEON) == RCC_CR_HSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
980 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
981 RCC_OscInitStruct->HSEState = RCC_HSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
982 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
983 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
984 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
985 RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
986 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
987
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
988 /* Get the HSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
989 if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
990 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
991 RCC_OscInitStruct->HSIState = RCC_HSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
992 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
993 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
994 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
995 RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
996 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
997
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
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
Ideenmodellierer
parents:
diff changeset
999
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1000 /* Get the LSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1001 if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1002 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1003 RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1004 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1005 else if((RCC->BDCR &RCC_BDCR_LSEON) == RCC_BDCR_LSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1006 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1007 RCC_OscInitStruct->LSEState = RCC_LSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1008 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1009 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1010 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1011 RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1012 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1013
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1014 /* Get the LSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1015 if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1016 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1017 RCC_OscInitStruct->LSIState = RCC_LSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1018 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1019 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1020 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1021 RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1022 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1023
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1024 /* Get the PLL configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1025 if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1026 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1027 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1028 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
1031 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1032 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
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
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
1040 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1041 * @brief Configures the RCC_ClkInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1042 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1043 * @param RCC_ClkInitStruct pointer to an RCC_ClkInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1044 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1045 * @param pFLatency Pointer on the Flash Latency.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1046 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1047 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
1049 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1050 /* Set all possible values for the Clock type parameter --------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
Ideenmodellierer
parents:
diff changeset
1052
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1053 /* Get the SYSCLK configuration --------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1054 RCC_ClkInitStruct->SYSCLKSource = (uint32_t)(RCC->CFGR & RCC_CFGR_SW);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1055
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1056 /* Get the HCLK configuration ----------------------------------------------*/
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1057 RCC_ClkInitStruct->AHBCLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_HPRE);
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1058
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1059 /* Get the APB1 configuration ----------------------------------------------*/
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1060 RCC_ClkInitStruct->APB1CLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_PPRE1);
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1061
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1062 /* Get the APB2 configuration ----------------------------------------------*/
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1063 RCC_ClkInitStruct->APB2CLKDivider = (uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3U);
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1064
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1065 /* Get the Flash Wait State (Latency) configuration ------------------------*/
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1066 *pFLatency = (uint32_t)(FLASH->ACR & FLASH_ACR_LATENCY);
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1067 }
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1068
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1069 /**
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1070 * @brief This function handles the RCC CSS interrupt request.
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1071 * @note This API should be called under the NMI_Handler().
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1072 * @retval None
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1073 */
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1074 void HAL_RCC_NMI_IRQHandler(void)
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1075 {
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1076 /* Check RCC CSSF flag */
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1077 if(__HAL_RCC_GET_IT(RCC_IT_CSS))
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1078 {
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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****/