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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @ 312:e84a2486933e

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Merged in janlmulder/ostc4/cleanup-4 (pull request #25) Fix stopwatch and divetime not in sync
author heinrichsweikamp <bitbucket@heinrichsweikamp.com>
date Fri, 31 May 2019 06:22:50 +0000
parents c78bcbd5deda
children 4e10a3e087a1
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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 #ifdef HAL_RCC_MODULE_ENABLED
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97
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98 /* Private typedef -----------------------------------------------------------*/
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99 /* Private define ------------------------------------------------------------*/
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100 /** @addtogroup RCC_Private_Constants
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101 * @{
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102 */
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103
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104 /* Private macro -------------------------------------------------------------*/
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105 #define __MCO1_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
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106 #define MCO1_GPIO_PORT GPIOA
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107 #define MCO1_PIN GPIO_PIN_8
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108
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109 #define __MCO2_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
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110 #define MCO2_GPIO_PORT GPIOC
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111 #define MCO2_PIN GPIO_PIN_9
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112 /**
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113 * @}
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114 */
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115
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116 /* Private variables ---------------------------------------------------------*/
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117 /** @defgroup RCC_Private_Variables RCC Private Variables
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118 * @{
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119 */
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120 /**
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121 * @}
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122 */
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123 /* Private function prototypes -----------------------------------------------*/
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124 /* Private functions ---------------------------------------------------------*/
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125
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126 /** @defgroup RCC_Exported_Functions RCC Exported Functions
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127 * @{
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128 */
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129
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130 /** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions
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131 * @brief Initialization and Configuration functions
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132 *
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133 @verbatim
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134 ===============================================================================
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135 ##### Initialization and de-initialization functions #####
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136 ===============================================================================
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137 [..]
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138 This section provides functions allowing to configure the internal/external oscillators
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139 (HSE, HSI, LSE, LSI, PLL, CSS and MCO) and the System busses clocks (SYSCLK, AHB, APB1
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140 and APB2).
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141
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142 [..] Internal/external clock and PLL configuration
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143 (#) HSI (high-speed internal), 16 MHz factory-trimmed RC used directly or through
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144 the PLL as System clock source.
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145
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146 (#) LSI (low-speed internal), 32 KHz low consumption RC used as IWDG and/or RTC
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147 clock source.
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148
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149 (#) HSE (high-speed external), 4 to 26 MHz crystal oscillator used directly or
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150 through the PLL as System clock source. Can be used also as RTC clock source.
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151
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152 (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
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153
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154 (#) PLL (clocked by HSI or HSE), featuring two different output clocks:
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155 (++) The first output is used to generate the high speed system clock (up to 168 MHz)
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156 (++) The second output is used to generate the clock for the USB OTG FS (48 MHz),
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157 the random analog generator (<=48 MHz) and the SDIO (<= 48 MHz).
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158
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159 (#) CSS (Clock security system), once enable using the macro __HAL_RCC_CSS_ENABLE()
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160 and if a HSE clock failure occurs(HSE used directly or through PLL as System
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161 clock source), the System clocks automatically switched to HSI and an interrupt
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162 is generated if enabled. The interrupt is linked to the Cortex-M4 NMI
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163 (Non-Maskable Interrupt) exception vector.
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164
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165 (#) MCO1 (microcontroller clock output), used to output HSI, LSE, HSE or PLL
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166 clock (through a configurable prescaler) on PA8 pin.
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167
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168 (#) MCO2 (microcontroller clock output), used to output HSE, PLL, SYSCLK or PLLI2S
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169 clock (through a configurable prescaler) on PC9 pin.
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170
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171 [..] System, AHB and APB busses clocks configuration
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172 (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
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173 HSE and PLL.
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174 The AHB clock (HCLK) is derived from System clock through configurable
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175 prescaler and used to clock the CPU, memory and peripherals mapped
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176 on AHB bus (DMA, GPIO...). APB1 (PCLK1) and APB2 (PCLK2) clocks are derived
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177 from AHB clock through configurable prescalers and used to clock
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178 the peripherals mapped on these busses. You can use
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179 "HAL_RCC_GetSysClockFreq()" function to retrieve the frequencies of these clocks.
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180
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181 (#) For the STM32F405xx/07xx and STM32F415xx/17xx devices, the maximum
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182 frequency of the SYSCLK and HCLK is 168 MHz, PCLK2 84 MHz and PCLK1 42 MHz.
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183 Depending on the device voltage range, the maximum frequency should
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184 be adapted accordingly (refer to the product datasheets for more details).
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185
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186 (#) For the STM32F42xxx, STM32F43xxx, STM32F446xx, STM32F469xx and STM32F479xx devices,
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187 the maximum frequency of the SYSCLK and HCLK is 180 MHz, PCLK2 90 MHz and PCLK1 45 MHz.
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188 Depending on the device voltage range, the maximum frequency should
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189 be adapted accordingly (refer to the product datasheets for more details).
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190
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191 (#) For the STM32F401xx, the maximum frequency of the SYSCLK and HCLK is 84 MHz,
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192 PCLK2 84 MHz and PCLK1 42 MHz.
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193 Depending on the device voltage range, the maximum frequency should
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194 be adapted accordingly (refer to the product datasheets for more details).
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195
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196 (#) For the STM32F41xxx, the maximum frequency of the SYSCLK and HCLK is 100 MHz,
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197 PCLK2 100 MHz and PCLK1 50 MHz.
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198 Depending on the device voltage range, the maximum frequency should
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199 be adapted accordingly (refer to the product datasheets for more details).
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200
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201 @endverbatim
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202 * @{
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203 */
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204
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205 /**
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206 * @brief Resets the RCC clock configuration to the default reset state.
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207 * @note The default reset state of the clock configuration is given below:
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208 * - HSI ON and used as system clock source
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209 * - HSE and PLL OFF
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210 * - AHB, APB1 and APB2 prescaler set to 1.
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211 * - CSS, MCO1 and MCO2 OFF
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212 * - All interrupts disabled
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213 * @note This function doesn't modify the configuration of the
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214 * - Peripheral clocks
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215 * - LSI, LSE and RTC clocks
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216 * @retval HAL status
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217 */
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218 __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)
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219 {
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220 return HAL_OK;
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221 }
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222
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223 /**
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224 * @brief Initializes the RCC Oscillators according to the specified parameters in the
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225 * RCC_OscInitTypeDef.
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226 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
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227 * contains the configuration information for the RCC Oscillators.
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228 * @note The PLL is not disabled when used as system clock.
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229 * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not
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230 * supported by this API. User should request a transition to LSE Off
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231 * first and then LSE On or LSE Bypass.
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232 * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
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233 * supported by this API. User should request a transition to HSE Off
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234 * first and then HSE On or HSE Bypass.
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235 * @retval HAL status
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236 */
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237 __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
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238 {
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239 uint32_t tickstart;
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240
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241 /* Check Null pointer */
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242 if(RCC_OscInitStruct == NULL)
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243 {
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244 return HAL_ERROR;
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245 }
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246
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247 /* Check the parameters */
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248 assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
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249 /*------------------------------- HSE Configuration ------------------------*/
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250 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
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251 {
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252 /* Check the parameters */
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253 assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
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254 /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
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255 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\
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256 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)))
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257 {
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258 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF))
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259 {
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260 return HAL_ERROR;
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261 }
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262 }
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263 else
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264 {
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265 /* Set the new HSE configuration ---------------------------------------*/
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266 __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
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267
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268 /* Check the HSE State */
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269 if((RCC_OscInitStruct->HSEState) != RCC_HSE_OFF)
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270 {
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271 /* Get Start Tick */
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272 tickstart = HAL_GetTick();
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273
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274 /* Wait till HSE is ready */
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275 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
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276 {
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277 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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278 {
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279 return HAL_TIMEOUT;
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280 }
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281 }
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282 }
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283 else
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284 {
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285 /* Get Start Tick */
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286 tickstart = HAL_GetTick();
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287
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288 /* Wait till HSE is bypassed or disabled */
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289 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
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290 {
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291 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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292 {
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293 return HAL_TIMEOUT;
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294 }
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295 }
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296 }
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297 }
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298 }
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299 /*----------------------------- HSI Configuration --------------------------*/
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300 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
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diff changeset
301 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
302 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
303 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
304 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
305
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
306 /* 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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diff changeset
307 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
308 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
309 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
310 /* 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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diff changeset
311 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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diff changeset
312 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
313 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
314 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
315 /* Otherwise, just the calibration is allowed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
316 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
317 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
318 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
319 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
320 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
321 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
322 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
323 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
324 /* Check the HSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
325 if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
326 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
327 /* Enable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
328 __HAL_RCC_HSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
329
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
330 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
331 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
332
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
333 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
334 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
335 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
336 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
337 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
338 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
339 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
340 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
341
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
342 /* Adjusts the Internal High Speed oscillator (HSI) calibration value. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
343 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
344 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
345 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
346 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
347 /* Disable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
348 __HAL_RCC_HSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
349
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
350 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
351 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
352
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
353 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
354 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
355 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
356 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
357 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
358 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
359 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
360 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
361 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
362 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
363 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
364 /*------------------------------ LSI Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
365 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
366 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
367 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
368 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
369
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
370 /* Check the LSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
371 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
372 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
373 /* Enable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
374 __HAL_RCC_LSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
375
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
376 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
377 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
378
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
379 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
380 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
381 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
382 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
383 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
384 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
385 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
386 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
387 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
388 else
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 /* Disable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
391 __HAL_RCC_LSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
392
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
393 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
394 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
395
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
396 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
397 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
398 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
399 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
400 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
401 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
402 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
403 }
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 /*------------------------------ LSE Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
407 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
408 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
409 FlagStatus pwrclkchanged = RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
410
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
411 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
412 assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
413
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
414 /* Update LSE configuration in Backup Domain control register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
415 /* Requires to enable write access to Backup Domain of necessary */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
416 if(__HAL_RCC_PWR_IS_CLK_DISABLED())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
417 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
418 __HAL_RCC_PWR_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
419 pwrclkchanged = SET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
420 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
421
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
422 if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
423 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
424 /* Enable write access to Backup domain */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
425 SET_BIT(PWR->CR, PWR_CR_DBP);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
426
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
427 /* Wait for Backup domain Write protection disable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
428 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
429
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
430 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
431 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
432 if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)
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 return HAL_TIMEOUT;
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 }
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 /* Set the new LSE configuration -----------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
440 __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
441 /* Check the LSE State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
442 if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
443 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
444 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
445 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
446
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
447 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
448 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
449 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
450 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
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 return HAL_TIMEOUT;
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 }
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 else
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
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parents:
diff changeset
458 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
459 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
460
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
461 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
462 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
463 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
464 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
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
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parents:
diff changeset
466 return HAL_TIMEOUT;
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 }
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 /* Restore clock configuration if changed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
472 if(pwrclkchanged == SET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
473 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
474 __HAL_RCC_PWR_CLK_DISABLE();
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
477 /*-------------------------------- PLL Configuration -----------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
478 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
479 assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
480 if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
481 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
482 /* 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
483 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
484 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
485 if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
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 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
488 assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
489 assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
490 assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
491 assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
492 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
493
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
494 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
495 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
496
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
497 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
498 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
499
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
500 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
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 return HAL_TIMEOUT;
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 }
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 /* 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
510 WRITE_REG(RCC->PLLCFGR, (RCC_OscInitStruct->PLL.PLLSource | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 RCC_OscInitStruct->PLL.PLLM | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 (RCC_OscInitStruct->PLL.PLLN << RCC_PLLCFGR_PLLN_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 (((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
514 (RCC_OscInitStruct->PLL.PLLQ << RCC_PLLCFGR_PLLQ_Pos)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 /* Enable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 __HAL_RCC_PLL_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
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 return HAL_TIMEOUT;
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 }
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 else
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 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
534
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
535 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
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 return HAL_TIMEOUT;
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 }
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 else
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 return HAL_ERROR;
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 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
553 return HAL_OK;
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
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 * @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
558 * parameters in the RCC_ClkInitStruct.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 * @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
560 * contains the configuration information for the RCC peripheral.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 * @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
562 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563 * @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
564 * 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
565 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
566 * @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
567 * 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
568 * 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
569 * (if the Clock Security System CSS is enabled).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
570 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
571 * @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
572 * 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
573 * 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
574 * occur when the clock source will be ready.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
575 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
576 * @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
577 * 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
578 * (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
579 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
580 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
581 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
582 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
583 uint32_t tickstart;
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 /* Check Null pointer */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
586 if(RCC_ClkInitStruct == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
587 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
588 return HAL_ERROR;
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
591 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
592 assert_param(IS_RCC_CLOCKTYPE(RCC_ClkInitStruct->ClockType));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
593 assert_param(IS_FLASH_LATENCY(FLatency));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
594
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
595 /* 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
596 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
597 (HCLK) and the supply voltage of the device. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
598
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
599 /* 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
600 if(FLatency > __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
601 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
602 /* 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
603 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
604
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
605 /* 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
606 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
607 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
608 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
609 return HAL_ERROR;
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 }
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 /*-------------------------- HCLK Configuration --------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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614 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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615 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
616 /* 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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617 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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618 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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619 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
620 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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621 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
622
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
623 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
624 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
625 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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626 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
627
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
628 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
629 MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider);
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630 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
631
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
632 /*------------------------- SYSCLK Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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633 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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634 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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635 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
636
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
637 /* HSE is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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638 if(RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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639 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
640 /* Check the HSE ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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641 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
642 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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643 return HAL_ERROR;
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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diff changeset
645 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
646 /* PLL is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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647 else if((RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) ||
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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648 (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLRCLK))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
649 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
650 /* Check the PLL ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
651 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
652 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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653 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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654 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
655 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
656 /* HSI is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
657 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
658 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
659 /* Check the HSI ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
660 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
661 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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662 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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663 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
664 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
665
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
666 __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource);
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
Ideenmodellierer
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diff changeset
668 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
669 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
670
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
671 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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diff changeset
672 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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673 if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
674 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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675 return HAL_TIMEOUT;
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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diff changeset
677 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
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 /* 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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681 if(FLatency < __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
682 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
683 /* 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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diff changeset
684 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
685
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
686 /* 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
687 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
688 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
689 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
690 return HAL_ERROR;
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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parents:
diff changeset
692 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
693
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
694 /*-------------------------- PCLK1 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695 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
696 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
698 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
699 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
700
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
701 /*-------------------------- PCLK2 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
705 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
706 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 /* Update the SystemCoreClock global variable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709 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
710
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
711 /* 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
712 HAL_InitTick (TICK_INT_PRIORITY);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
714 return HAL_OK;
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
Ideenmodellierer
parents:
diff changeset
716
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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
parents:
diff changeset
720
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721 /** @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
722 * @brief RCC clocks control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
723 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
724 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
725 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 ##### Peripheral Control functions #####
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
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diff changeset
728 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
729 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
parents:
diff changeset
730 frequencies.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
731
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
732 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
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733 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
734 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
735
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
736 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
737 * @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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parents:
diff changeset
738 * @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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739 * @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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diff changeset
740 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
741 * @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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diff changeset
742 * @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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diff changeset
743 * @param RCC_MCOSource specifies the clock source to output.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
744 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
745 * @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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diff changeset
746 * @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
747 * @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
748 * @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
749 * @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
750 * @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
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diff changeset
751 * @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
Ideenmodellierer
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diff changeset
752 * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
753 * @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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diff changeset
754 * @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
755 * 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
756 * @arg RCC_MCODIV_1: no division applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
757 * @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
758 * @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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parents:
diff changeset
759 * @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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diff changeset
760 * @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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diff changeset
761 * @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
762 * 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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763 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
764 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
765 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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diff changeset
766 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
767 GPIO_InitTypeDef GPIO_InitStruct;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
768 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
769 assert_param(IS_RCC_MCO(RCC_MCOx));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
770 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
771 /* RCC_MCO1 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
772 if(RCC_MCOx == RCC_MCO1)
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parents:
diff changeset
773 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
774 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
775
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
776 /* MCO1 Clock Enable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
777 __MCO1_CLK_ENABLE();
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parents:
diff changeset
778
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
779 /* 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
780 GPIO_InitStruct.Pin = MCO1_PIN;
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diff changeset
781 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
782 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
783 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
784 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
785 HAL_GPIO_Init(MCO1_GPIO_PORT, &GPIO_InitStruct);
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parents:
diff changeset
786
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
787 /* 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
788 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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parents:
diff changeset
789
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
790 /* 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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diff changeset
791 #if defined(RCC_CFGR_MCO1EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
792 __HAL_RCC_MCO1_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
793 #endif /* RCC_CFGR_MCO1EN */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
794 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
795 #if defined(RCC_CFGR_MCO2)
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796 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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797 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
798 assert_param(IS_RCC_MCO2SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
799
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
800 /* MCO2 Clock Enable */
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parents:
diff changeset
801 __MCO2_CLK_ENABLE();
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diff changeset
802
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
803 /* Configure the MCO2 pin in alternate function mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
804 GPIO_InitStruct.Pin = MCO2_PIN;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
805 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
806 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
807 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
808 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
809 HAL_GPIO_Init(MCO2_GPIO_PORT, &GPIO_InitStruct);
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parents:
diff changeset
810
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
811 /* Mask MCO2 and MCO2PRE[2:0] bits then Select MCO2 clock source and prescaler */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
812 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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diff changeset
813
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
814 /* 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
815 #if defined(RCC_CFGR_MCO2EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
816 __HAL_RCC_MCO2_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
817 #endif /* RCC_CFGR_MCO2EN */
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diff changeset
818 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
819 #endif /* RCC_CFGR_MCO2 */
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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parents:
diff changeset
821
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
822 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
823 * @brief Enables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
824 * @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
825 * 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
826 * software about the failure (Clock Security System Interrupt, CSSI),
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
827 * 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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diff changeset
828 * 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
829 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
830 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
831 void HAL_RCC_EnableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
832 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
833 *(__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
834 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
835
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
836 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
837 * @brief Disables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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838 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
839 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
840 void HAL_RCC_DisableCSS(void)
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 *(__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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843 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
844
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
845 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
846 * @brief Returns the SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
847 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
848 * @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
849 * 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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diff changeset
850 * constant and the selected clock source:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
851 * @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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852 * @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
853 * @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
854 * 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
855 * @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
856 * 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
857 * in voltage and temperature.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
858 * @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
859 * 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
860 * 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
861 * have wrong result.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
862 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
863 * @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
864 * value for HSE crystal.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
865 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
866 * @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
867 * 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
868 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
869 * @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
870 * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
871 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
872 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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873 * @retval SYSCLK frequency
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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diff changeset
875 __weak uint32_t HAL_RCC_GetSysClockFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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876 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
877 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
878 uint32_t sysclockfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
879
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
880 /* Get SYSCLK source -------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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881 switch (RCC->CFGR & RCC_CFGR_SWS)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
882 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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883 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
884 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
885 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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886 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
887 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
888 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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parents:
diff changeset
889 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
890 sysclockfreq = HSE_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
891 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
892 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
893 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
894 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
895 /* 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
896 SYSCLK = PLL_VCO / PLLP */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
897 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
898 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
899 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
900 /* HSE used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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901 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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diff changeset
902 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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903 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
904 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
905 /* HSI used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
906 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
907 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
908 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
909
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
910 sysclockfreq = pllvco/pllp;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
911 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
912 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
913 default:
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 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
916 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
917 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
918 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
919 return sysclockfreq;
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
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 * @brief Returns the HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
924 * @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
925 * 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
926 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
927 * @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
928 * and updated within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
929 * @retval HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
930 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
931 uint32_t HAL_RCC_GetHCLKFreq(void)
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 return SystemCoreClock;
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
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 * @brief Returns the PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
938 * @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
939 * 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
940 * @retval PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
941 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
942 uint32_t HAL_RCC_GetPCLK1Freq(void)
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 /* Get HCLK source and Compute PCLK1 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
945 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
946 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
947
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 * @brief Returns the PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
950 * @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
951 * 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
952 * @retval PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
953 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
954 uint32_t HAL_RCC_GetPCLK2Freq(void)
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 /* Get HCLK source and Compute PCLK2 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
957 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
958 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
959
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 * @brief Configures the RCC_OscInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
962 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
963 * @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
964 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
965 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
966 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
967 __weak void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
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 /* Set all possible values for the Oscillator type parameter ---------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
970 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
971
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
972 /* Get the HSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
973 if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
974 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
975 RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
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 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
978 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
979 RCC_OscInitStruct->HSEState = RCC_HSE_ON;
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 else
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 RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
986 /* Get the HSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
987 if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
988 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
989 RCC_OscInitStruct->HSIState = RCC_HSI_ON;
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 else
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 RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
996 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
997
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
998 /* Get the LSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
999 if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1000 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1001 RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
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 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
1004 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1005 RCC_OscInitStruct->LSEState = RCC_LSE_ON;
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 else
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 RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1012 /* Get the LSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1013 if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1014 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1015 RCC_OscInitStruct->LSIState = RCC_LSI_ON;
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 else
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 RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1022 /* Get the PLL configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1023 if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1024 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1025 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
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 else
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 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
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.PLLSource = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1032 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
1033 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
1034 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
1035 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
1036 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1037
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 * @brief Configures the RCC_ClkInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1040 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1041 * @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
1042 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1043 * @param pFLatency Pointer on the Flash Latency.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1044 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1045 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1046 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
1047 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1048 /* Set all possible values for the Clock type parameter --------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1049 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
1050
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1051 /* Get the SYSCLK configuration --------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1052 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
1053
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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1054 /* Get the HCLK configuration ----------------------------------------------*/
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1055 RCC_ClkInitStruct->AHBCLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_HPRE);
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1056
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1057 /* Get the APB1 configuration ----------------------------------------------*/
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1058 RCC_ClkInitStruct->APB1CLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_PPRE1);
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1059
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1060 /* Get the APB2 configuration ----------------------------------------------*/
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1061 RCC_ClkInitStruct->APB2CLKDivider = (uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3U);
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1062
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1063 /* Get the Flash Wait State (Latency) configuration ------------------------*/
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1064 *pFLatency = (uint32_t)(FLASH->ACR & FLASH_ACR_LATENCY);
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1065 }
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1066
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1067 /**
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1068 * @brief This function handles the RCC CSS interrupt request.
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1069 * @note This API should be called under the NMI_Handler().
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1070 * @retval None
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1071 */
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1072 void HAL_RCC_NMI_IRQHandler(void)
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1073 {
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1074 /* Check RCC CSSF flag */
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1075 if(__HAL_RCC_GET_IT(RCC_IT_CSS))
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1076 {
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1077 /* RCC Clock Security System interrupt user callback */
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1078 HAL_RCC_CSSCallback();
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1079
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1080 /* Clear RCC CSS pending bit */
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1081 __HAL_RCC_CLEAR_IT(RCC_IT_CSS);
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1082 }
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1083 }
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1084
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1085 /**
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1086 * @brief RCC Clock Security System interrupt callback
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1087 * @retval None
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1088 */
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1089 __weak void HAL_RCC_CSSCallback(void)
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1090 {
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1091 /* NOTE : This function Should not be modified, when the callback is needed,
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1092 the HAL_RCC_CSSCallback could be implemented in the user file
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1093 */
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1094 }
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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 #endif /* HAL_RCC_MODULE_ENABLED */
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1105 /**
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1106 * @}
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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 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/