annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @ 946:80ae8ea7f0a0 Evo_2_23

GNSS set to full power at startup: In case of an reset the module would continue in sleep mode if it was in this state. To avoid this the module will now always set to full power at startup of the RTE.
author Ideenmodellierer
date Sun, 22 Dec 2024 20:52:08 +0100
parents 4e10a3e087a1
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_rcc.c
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4 * @author MCD Application Team
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5 * @brief RCC HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the Reset and Clock Control (RCC) peripheral:
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8 * + Initialization and de-initialization functions
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9 * + Peripheral Control functions
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### RCC specific features #####
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14 ==============================================================================
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15 [..]
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16 After reset the device is running from Internal High Speed oscillator
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17 (HSI 16MHz) with Flash 0 wait state, Flash prefetch buffer, D-Cache
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18 and I-Cache are disabled, and all peripherals are off except internal
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19 SRAM, Flash and JTAG.
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20 (+) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
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21 all peripherals mapped on these busses are running at HSI speed.
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22 (+) The clock for all peripherals is switched off, except the SRAM and FLASH.
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23 (+) All GPIOs are in input floating state, except the JTAG pins which
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24 are assigned to be used for debug purpose.
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25
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26 [..]
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27 Once the device started from reset, the user application has to:
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28 (+) Configure the clock source to be used to drive the System clock
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29 (if the application needs higher frequency/performance)
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30 (+) Configure the System clock frequency and Flash settings
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31 (+) Configure the AHB and APB busses prescalers
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32 (+) Enable the clock for the peripheral(s) to be used
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33 (+) Configure the clock source(s) for peripherals which clocks are not
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34 derived from the System clock (I2S, RTC, ADC, USB OTG FS/SDIO/RNG)
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35
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36 ##### RCC Limitations #####
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37 ==============================================================================
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38 [..]
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39 A delay between an RCC peripheral clock enable and the effective peripheral
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40 enabling should be taken into account in order to manage the peripheral read/write
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41 from/to registers.
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42 (+) This delay depends on the peripheral mapping.
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43 (+) If peripheral is mapped on AHB: the delay is 2 AHB clock cycle
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44 after the clock enable bit is set on the hardware register
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45 (+) If peripheral is mapped on APB: the delay is 2 APB clock cycle
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46 after the clock enable bit is set on the hardware register
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47
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48 [..]
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49 Implemented Workaround:
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50 (+) For AHB & APB peripherals, a dummy read to the peripheral register has been
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51 inserted in each __HAL_RCC_PPP_CLK_ENABLE() macro.
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52
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53 @endverbatim
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54 ******************************************************************************
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55 * @attention
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56 *
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57 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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58 *
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59 * Redistribution and use in source and binary forms, with or without modification,
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60 * are permitted provided that the following conditions are met:
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61 * 1. Redistributions of source code must retain the above copyright notice,
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62 * this list of conditions and the following disclaimer.
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63 * 2. Redistributions in binary form must reproduce the above copyright notice,
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64 * this list of conditions and the following disclaimer in the documentation
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65 * and/or other materials provided with the distribution.
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66 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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67 * may be used to endorse or promote products derived from this software
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68 * without specific prior written permission.
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69 *
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70 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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71 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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73 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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74 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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75 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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76 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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77 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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78 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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79 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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80 *
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81 ******************************************************************************
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82 */
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83
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84 /* Includes ------------------------------------------------------------------*/
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85 #include "stm32f4xx_hal.h"
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86
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87 /** @addtogroup STM32F4xx_HAL_Driver
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88 * @{
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89 */
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90
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91 /** @defgroup RCC RCC
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92 * @brief RCC HAL module driver
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93 * @{
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94 */
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95
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96
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97 extern __IO const uint8_t AHBPrescTable[16];
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98 #ifdef HAL_RCC_MODULE_ENABLED
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99
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100 /* Private typedef -----------------------------------------------------------*/
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101 /* Private define ------------------------------------------------------------*/
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102 /** @addtogroup RCC_Private_Constants
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103 * @{
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104 */
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105
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106 /* Private macro -------------------------------------------------------------*/
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107 #define __MCO1_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
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108 #define MCO1_GPIO_PORT GPIOA
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109 #define MCO1_PIN GPIO_PIN_8
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110
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111 #define __MCO2_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
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112 #define MCO2_GPIO_PORT GPIOC
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113 #define MCO2_PIN GPIO_PIN_9
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114 /**
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115 * @}
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116 */
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117
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118 /* Private variables ---------------------------------------------------------*/
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119 /** @defgroup RCC_Private_Variables RCC Private Variables
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120 * @{
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121 */
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122 /**
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123 * @}
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124 */
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125 /* Private function prototypes -----------------------------------------------*/
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126 /* Private functions ---------------------------------------------------------*/
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127
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128 /** @defgroup RCC_Exported_Functions RCC Exported Functions
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129 * @{
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130 */
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131
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132 /** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions
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133 * @brief Initialization and Configuration functions
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134 *
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135 @verbatim
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136 ===============================================================================
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137 ##### Initialization and de-initialization functions #####
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138 ===============================================================================
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139 [..]
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140 This section provides functions allowing to configure the internal/external oscillators
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141 (HSE, HSI, LSE, LSI, PLL, CSS and MCO) and the System busses clocks (SYSCLK, AHB, APB1
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142 and APB2).
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143
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144 [..] Internal/external clock and PLL configuration
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145 (#) HSI (high-speed internal), 16 MHz factory-trimmed RC used directly or through
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146 the PLL as System clock source.
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147
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148 (#) LSI (low-speed internal), 32 KHz low consumption RC used as IWDG and/or RTC
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149 clock source.
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150
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151 (#) HSE (high-speed external), 4 to 26 MHz crystal oscillator used directly or
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152 through the PLL as System clock source. Can be used also as RTC clock source.
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153
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154 (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
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155
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156 (#) PLL (clocked by HSI or HSE), featuring two different output clocks:
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157 (++) The first output is used to generate the high speed system clock (up to 168 MHz)
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158 (++) The second output is used to generate the clock for the USB OTG FS (48 MHz),
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159 the random analog generator (<=48 MHz) and the SDIO (<= 48 MHz).
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160
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161 (#) CSS (Clock security system), once enable using the macro __HAL_RCC_CSS_ENABLE()
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162 and if a HSE clock failure occurs(HSE used directly or through PLL as System
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163 clock source), the System clocks automatically switched to HSI and an interrupt
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164 is generated if enabled. The interrupt is linked to the Cortex-M4 NMI
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165 (Non-Maskable Interrupt) exception vector.
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166
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167 (#) MCO1 (microcontroller clock output), used to output HSI, LSE, HSE or PLL
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168 clock (through a configurable prescaler) on PA8 pin.
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169
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170 (#) MCO2 (microcontroller clock output), used to output HSE, PLL, SYSCLK or PLLI2S
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171 clock (through a configurable prescaler) on PC9 pin.
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172
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173 [..] System, AHB and APB busses clocks configuration
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174 (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
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175 HSE and PLL.
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176 The AHB clock (HCLK) is derived from System clock through configurable
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177 prescaler and used to clock the CPU, memory and peripherals mapped
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178 on AHB bus (DMA, GPIO...). APB1 (PCLK1) and APB2 (PCLK2) clocks are derived
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179 from AHB clock through configurable prescalers and used to clock
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180 the peripherals mapped on these busses. You can use
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181 "HAL_RCC_GetSysClockFreq()" function to retrieve the frequencies of these clocks.
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182
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183 (#) For the STM32F405xx/07xx and STM32F415xx/17xx devices, the maximum
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184 frequency of the SYSCLK and HCLK is 168 MHz, PCLK2 84 MHz and PCLK1 42 MHz.
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185 Depending on the device voltage range, the maximum frequency should
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186 be adapted accordingly (refer to the product datasheets for more details).
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187
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188 (#) For the STM32F42xxx, STM32F43xxx, STM32F446xx, STM32F469xx and STM32F479xx devices,
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189 the maximum frequency of the SYSCLK and HCLK is 180 MHz, PCLK2 90 MHz and PCLK1 45 MHz.
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190 Depending on the device voltage range, the maximum frequency should
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191 be adapted accordingly (refer to the product datasheets for more details).
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192
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193 (#) For the STM32F401xx, the maximum frequency of the SYSCLK and HCLK is 84 MHz,
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194 PCLK2 84 MHz and PCLK1 42 MHz.
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195 Depending on the device voltage range, the maximum frequency should
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196 be adapted accordingly (refer to the product datasheets for more details).
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197
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198 (#) For the STM32F41xxx, the maximum frequency of the SYSCLK and HCLK is 100 MHz,
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199 PCLK2 100 MHz and PCLK1 50 MHz.
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200 Depending on the device voltage range, the maximum frequency should
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201 be adapted accordingly (refer to the product datasheets for more details).
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202
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203 @endverbatim
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204 * @{
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205 */
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206
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207 /**
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208 * @brief Resets the RCC clock configuration to the default reset state.
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209 * @note The default reset state of the clock configuration is given below:
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210 * - HSI ON and used as system clock source
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211 * - HSE and PLL OFF
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212 * - AHB, APB1 and APB2 prescaler set to 1.
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213 * - CSS, MCO1 and MCO2 OFF
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214 * - All interrupts disabled
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215 * @note This function doesn't modify the configuration of the
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216 * - Peripheral clocks
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217 * - LSI, LSE and RTC clocks
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218 * @retval HAL status
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219 */
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220 __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)
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221 {
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222 return HAL_OK;
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223 }
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224
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225 /**
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226 * @brief Initializes the RCC Oscillators according to the specified parameters in the
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227 * RCC_OscInitTypeDef.
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228 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
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229 * contains the configuration information for the RCC Oscillators.
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230 * @note The PLL is not disabled when used as system clock.
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231 * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not
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232 * supported by this API. User should request a transition to LSE Off
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233 * first and then LSE On or LSE Bypass.
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234 * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
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235 * supported by this API. User should request a transition to HSE Off
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236 * first and then HSE On or HSE Bypass.
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237 * @retval HAL status
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238 */
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239 __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
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240 {
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241 uint32_t tickstart;
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242
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243 /* Check Null pointer */
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244 if(RCC_OscInitStruct == NULL)
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245 {
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246 return HAL_ERROR;
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247 }
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248
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249 /* Check the parameters */
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250 assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
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251 /*------------------------------- HSE Configuration ------------------------*/
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252 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
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253 {
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254 /* Check the parameters */
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255 assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
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256 /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
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257 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\
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258 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)))
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259 {
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260 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF))
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261 {
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262 return HAL_ERROR;
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263 }
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264 }
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265 else
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266 {
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267 /* Set the new HSE configuration ---------------------------------------*/
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268 __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
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269
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270 /* Check the HSE State */
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271 if((RCC_OscInitStruct->HSEState) != RCC_HSE_OFF)
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272 {
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273 /* Get Start Tick */
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274 tickstart = HAL_GetTick();
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275
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276 /* Wait till HSE is ready */
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277 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
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278 {
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279 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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280 {
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281 return HAL_TIMEOUT;
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282 }
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283 }
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284 }
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285 else
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286 {
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287 /* Get Start Tick */
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288 tickstart = HAL_GetTick();
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289
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290 /* Wait till HSE is bypassed or disabled */
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291 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
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292 {
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293 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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294 {
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295 return HAL_TIMEOUT;
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296 }
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297 }
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298 }
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299 }
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300 }
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301 /*----------------------------- HSI Configuration --------------------------*/
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302 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
303 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
304 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
305 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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306 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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307
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
308 /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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309 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
310 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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311 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
312 /* When HSI is used as system clock it will not disabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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313 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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314 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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315 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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316 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
317 /* Otherwise, just the calibration is allowed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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318 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
319 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
320 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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321 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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322 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
323 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
324 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
325 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
326 /* Check the HSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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327 if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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328 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
329 /* Enable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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330 __HAL_RCC_HSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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331
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
332 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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333 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
334
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
335 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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336 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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337 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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338 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
339 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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340 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
341 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
342 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
343
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
344 /* Adjusts the Internal High Speed oscillator (HSI) calibration value. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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345 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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346 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
347 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
348 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
349 /* Disable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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350 __HAL_RCC_HSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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351
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
352 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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353 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
354
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
355 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
356 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
357 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
358 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
359 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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360 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
361 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
362 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
363 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
364 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
365 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
366 /*------------------------------ LSI Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
367 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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368 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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369 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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370 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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371
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
372 /* Check the LSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
373 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
374 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
375 /* Enable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
376 __HAL_RCC_LSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
377
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
378 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
379 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
380
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
381 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
382 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
383 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
384 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
385 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
386 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
387 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
388 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
389 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
390 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
391 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
392 /* Disable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
393 __HAL_RCC_LSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
394
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
395 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
396 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
397
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
398 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
399 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
400 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
401 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
402 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
403 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
404 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
405 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
406 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
407 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
408 /*------------------------------ LSE Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
409 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
410 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
411 FlagStatus pwrclkchanged = RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
412
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
413 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
414 assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
415
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
416 /* Update LSE configuration in Backup Domain control register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
417 /* Requires to enable write access to Backup Domain of necessary */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
418 if(__HAL_RCC_PWR_IS_CLK_DISABLED())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
419 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
420 __HAL_RCC_PWR_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
421 pwrclkchanged = SET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
422 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
423
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
424 if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
425 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
426 /* Enable write access to Backup domain */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
427 SET_BIT(PWR->CR, PWR_CR_DBP);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
428
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
429 /* Wait for Backup domain Write protection disable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
430 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
431
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
432 while(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
433 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
434 if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
435 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
436 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
437 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
438 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
439 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
440
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
441 /* Set the new LSE configuration -----------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
442 __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
443 /* Check the LSE State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
444 if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
445 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
446 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
447 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
448
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
449 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
450 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
451 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
452 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
453 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
454 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
455 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
456 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
457 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
458 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
459 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
460 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
461 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
462
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
463 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
464 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
465 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
466 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
467 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
468 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
469 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
470 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
471 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
472
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
473 /* Restore clock configuration if changed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
474 if(pwrclkchanged == SET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
475 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
476 __HAL_RCC_PWR_CLK_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
477 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
478 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
479 /*-------------------------------- PLL Configuration -----------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
480 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
481 assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
482 if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
483 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
484 /* Check if the PLL is used as system clock or not */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
485 if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
486 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
487 if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
488 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
489 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
490 assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
491 assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
492 assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
493 assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
494 assert_param(IS_RCC_PLLQ_VALUE(RCC_OscInitStruct->PLL.PLLQ));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
495
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
496 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
497 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
498
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
499 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
500 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
504 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
505 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
506 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
507 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
508 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
509 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
510
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 /* Configure the main PLL clock source, multiplication and division factors. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 WRITE_REG(RCC->PLLCFGR, (RCC_OscInitStruct->PLL.PLLSource | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 RCC_OscInitStruct->PLL.PLLM | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
514 (RCC_OscInitStruct->PLL.PLLN << RCC_PLLCFGR_PLLN_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 (((RCC_OscInitStruct->PLL.PLLP >> 1U) - 1U) << RCC_PLLCFGR_PLLP_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 (RCC_OscInitStruct->PLL.PLLQ << RCC_PLLCFGR_PLLQ_Pos)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517 /* Enable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 __HAL_RCC_PLL_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
525 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
526 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
527 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
528 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
529 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
530 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
531 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
532 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
534 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
535 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
542 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
543 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
544 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
545 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
546 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
547 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
548 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
549 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
550 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
551 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
552 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
553 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
554 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
555 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
556 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
557
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
558 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 * @brief Initializes the CPU, AHB and APB busses clocks according to the specified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
560 * parameters in the RCC_ClkInitStruct.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 * @param RCC_ClkInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
562 * contains the configuration information for the RCC peripheral.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563 * @param FLatency FLASH Latency, this parameter depend on device selected
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
564 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
565 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
566 * and updated by HAL_RCC_GetHCLKFreq() function called within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
567 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
568 * @note The HSI is used (enabled by hardware) as system clock source after
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
569 * startup from Reset, wake-up from STOP and STANDBY mode, or in case
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
570 * of failure of the HSE used directly or indirectly as system clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
571 * (if the Clock Security System CSS is enabled).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
572 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
573 * @note A switch from one clock source to another occurs only if the target
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
574 * clock source is ready (clock stable after startup delay or PLL locked).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
575 * If a clock source which is not yet ready is selected, the switch will
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
576 * occur when the clock source will be ready.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
577 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
578 * @note Depending on the device voltage range, the software has to set correctly
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
579 * HPRE[3:0] bits to ensure that HCLK not exceed the maximum allowed frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
580 * (for more details refer to section above "Initialization/de-initialization functions")
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
581 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
582 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
583 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
584 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
585 uint32_t tickstart;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
586
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
587 /* Check Null pointer */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
588 if(RCC_ClkInitStruct == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
589 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
590 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
591 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
592
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
593 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
594 assert_param(IS_RCC_CLOCKTYPE(RCC_ClkInitStruct->ClockType));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
595 assert_param(IS_FLASH_LATENCY(FLatency));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
596
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
597 /* To correctly read data from FLASH memory, the number of wait states (LATENCY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
598 must be correctly programmed according to the frequency of the CPU clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
599 (HCLK) and the supply voltage of the device. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
600
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
601 /* Increasing the number of wait states because of higher CPU frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
602 if(FLatency > __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
603 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
604 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
605 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
606
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
607 /* Check that the new number of wait states is taken into account to access the Flash
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
608 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
609 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
610 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
611 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
612 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
613 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
614
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
615 /*-------------------------- HCLK Configuration --------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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616 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
617 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
618 /* Set the highest APBx dividers in order to ensure that we do not go through
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
619 a non-spec phase whatever we decrease or increase HCLK. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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620 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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621 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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622 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_HCLK_DIV16);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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623 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
624
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
625 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
626 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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627 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, (RCC_HCLK_DIV16 << 3));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
628 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
629
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
630 assert_param(IS_RCC_HCLK(RCC_ClkInitStruct->AHBCLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
631 MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider);
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diff changeset
632 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
633
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
634 /*------------------------- SYSCLK Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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635 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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636 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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637 assert_param(IS_RCC_SYSCLKSOURCE(RCC_ClkInitStruct->SYSCLKSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
638
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
639 /* HSE is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
640 if(RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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641 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
642 /* Check the HSE ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
643 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
644 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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645 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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646 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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647 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
648 /* PLL is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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649 else if((RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) ||
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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650 (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLRCLK))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
651 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
652 /* Check the PLL ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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653 if(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
654 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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655 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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656 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
657 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
658 /* HSI is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
659 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
660 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
661 /* Check the HSI ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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662 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
663 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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664 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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665 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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666 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
667
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
668 __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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669
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
670 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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671 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
672
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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673 while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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674 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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675 if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
676 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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677 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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678 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
679 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
680 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
681
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
682 /* Decreasing the number of wait states because of lower CPU frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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683 if(FLatency < __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
684 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
685 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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686 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
687
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
688 /* Check that the new number of wait states is taken into account to access the Flash
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
689 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
690 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
691 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
692 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
693 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
694 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696 /*-------------------------- PCLK1 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
699 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
700 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_ClkInitStruct->APB1CLKDivider);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
701 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 /*-------------------------- PCLK2 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
705 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
710 /* Update the SystemCoreClock global variable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
711 SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE)>> RCC_CFGR_HPRE_Pos];
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713 /* Configure the source of time base considering new system clocks settings */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
714 HAL_InitTick (TICK_INT_PRIORITY);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
715
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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716 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
717 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
718
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
719 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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720 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
722
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
723 /** @defgroup RCC_Exported_Functions_Group2 Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
724 * @brief RCC clocks control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
725 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
727 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
728 ##### Peripheral Control functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
729 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
730 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
731 This subsection provides a set of functions allowing to control the RCC Clocks
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
732 frequencies.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
733
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
734 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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735 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
736 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
737
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
738 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
739 * @brief Selects the clock source to output on MCO1 pin(PA8) or on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
740 * @note PA8/PC9 should be configured in alternate function mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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741 * @param RCC_MCOx specifies the output direction for the clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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742 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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743 * @arg RCC_MCO1: Clock source to output on MCO1 pin(PA8).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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744 * @arg RCC_MCO2: Clock source to output on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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745 * @param RCC_MCOSource specifies the clock source to output.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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746 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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747 * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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748 * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
749 * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
750 * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
751 * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
752 * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
753 * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
754 * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
755 * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
756 * @param RCC_MCODiv specifies the MCOx prescaler.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
757 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
758 * @arg RCC_MCODIV_1: no division applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
759 * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
760 * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
761 * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
762 * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
763 * @note For STM32F410Rx devices to output I2SCLK clock on MCO2 you should have
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
764 * at last one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
765 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
766 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
767 void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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768 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
769 GPIO_InitTypeDef GPIO_InitStruct;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
770 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
771 assert_param(IS_RCC_MCO(RCC_MCOx));
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parents:
diff changeset
772 assert_param(IS_RCC_MCODIV(RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
773 /* RCC_MCO1 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
774 if(RCC_MCOx == RCC_MCO1)
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diff changeset
775 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
776 assert_param(IS_RCC_MCO1SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
777
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
778 /* MCO1 Clock Enable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
779 __MCO1_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
780
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
781 /* Configure the MCO1 pin in alternate function mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
782 GPIO_InitStruct.Pin = MCO1_PIN;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
783 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
784 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
785 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
786 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
787 HAL_GPIO_Init(MCO1_GPIO_PORT, &GPIO_InitStruct);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
788
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
789 /* Mask MCO1 and MCO1PRE[2:0] bits then Select MCO1 clock source and prescaler */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
790 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), (RCC_MCOSource | RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
791
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
792 /* This RCC MCO1 enable feature is available only on STM32F410xx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
793 #if defined(RCC_CFGR_MCO1EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
794 __HAL_RCC_MCO1_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
795 #endif /* RCC_CFGR_MCO1EN */
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diff changeset
796 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
797 #if defined(RCC_CFGR_MCO2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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798 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
799 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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800 assert_param(IS_RCC_MCO2SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
801
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
802 /* MCO2 Clock Enable */
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parents:
diff changeset
803 __MCO2_CLK_ENABLE();
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parents:
diff changeset
804
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
805 /* Configure the MCO2 pin in alternate function mode */
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diff changeset
806 GPIO_InitStruct.Pin = MCO2_PIN;
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diff changeset
807 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
808 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
809 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
810 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
811 HAL_GPIO_Init(MCO2_GPIO_PORT, &GPIO_InitStruct);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
812
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
813 /* Mask MCO2 and MCO2PRE[2:0] bits then Select MCO2 clock source and prescaler */
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diff changeset
814 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), (RCC_MCOSource | (RCC_MCODiv << 3U)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
815
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
816 /* This RCC MCO2 enable feature is available only on STM32F410Rx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
817 #if defined(RCC_CFGR_MCO2EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
818 __HAL_RCC_MCO2_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
819 #endif /* RCC_CFGR_MCO2EN */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
820 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
821 #endif /* RCC_CFGR_MCO2 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
822 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
823
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
824 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
825 * @brief Enables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
826 * @note If a failure is detected on the HSE oscillator clock, this oscillator
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
827 * is automatically disabled and an interrupt is generated to inform the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
828 * software about the failure (Clock Security System Interrupt, CSSI),
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
829 * allowing the MCU to perform rescue operations. The CSSI is linked to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
830 * the Cortex-M4 NMI (Non-Maskable Interrupt) exception vector.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
831 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
832 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
833 void HAL_RCC_EnableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
834 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
835 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)ENABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
836 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
837
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
838 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
839 * @brief Disables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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840 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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841 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
842 void HAL_RCC_DisableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
843 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
844 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)DISABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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845 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
846
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
847 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
848 * @brief Returns the SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
849 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
850 * @note The system frequency computed by this function is not the real
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
851 * frequency in the chip. It is calculated based on the predefined
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
852 * constant and the selected clock source:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
853 * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
854 * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(**)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
855 * @note If SYSCLK source is PLL, function returns values based on HSE_VALUE(**)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
856 * or HSI_VALUE(*) multiplied/divided by the PLL factors.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
857 * @note (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
858 * 16 MHz) but the real value may vary depending on the variations
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
859 * in voltage and temperature.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
860 * @note (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
861 * 25 MHz), user has to ensure that HSE_VALUE is same as the real
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
862 * frequency of the crystal used. Otherwise, this function may
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
863 * have wrong result.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
864 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
865 * @note The result of this function could be not correct when using fractional
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
866 * value for HSE crystal.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
867 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
868 * @note This function can be used by the user application to compute the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
869 * baudrate for the communication peripherals or configure other parameters.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
870 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
871 * @note Each time SYSCLK changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
872 * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
873 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
874 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
875 * @retval SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
876 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
877 __weak uint32_t HAL_RCC_GetSysClockFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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878 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
879 uint32_t pllm = 0U, pllvco = 0U, pllp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
880 uint32_t sysclockfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
881
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
882 /* Get SYSCLK source -------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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883 switch (RCC->CFGR & RCC_CFGR_SWS)
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884 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
885 case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
886 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
887 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
888 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
889 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
890 case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
891 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
892 sysclockfreq = HSE_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
893 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
894 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
895 case RCC_CFGR_SWS_PLL: /* PLL used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
896 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
897 /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
898 SYSCLK = PLL_VCO / PLLP */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
899 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
900 if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
901 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
902 /* HSE used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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903 pllvco = (uint32_t) ((((uint64_t) HSE_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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904 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
905 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
906 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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907 /* HSI used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
908 pllvco = (uint32_t) ((((uint64_t) HSI_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
909 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
910 pllp = ((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >> RCC_PLLCFGR_PLLP_Pos) + 1U) *2U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
911
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
912 sysclockfreq = pllvco/pllp;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
913 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
914 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
915 default:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
916 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
917 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
918 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
919 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
920 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
921 return sysclockfreq;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
922 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
923
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
924 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
925 * @brief Returns the HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
926 * @note Each time HCLK changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
927 * right HCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
928 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
929 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
930 * and updated within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
931 * @retval HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
932 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
933 uint32_t HAL_RCC_GetHCLKFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
934 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
935 return SystemCoreClock;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
936 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
937
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
938 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
939 * @brief Returns the PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
940 * @note Each time PCLK1 changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
941 * right PCLK1 value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
942 * @retval PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
943 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
944 uint32_t HAL_RCC_GetPCLK1Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
945 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
946 /* Get HCLK source and Compute PCLK1 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
947 return (HAL_RCC_GetHCLKFreq() >> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE1)>> RCC_CFGR_PPRE1_Pos]);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
948 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
949
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
950 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
951 * @brief Returns the PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
952 * @note Each time PCLK2 changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
953 * right PCLK2 value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
954 * @retval PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
955 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
956 uint32_t HAL_RCC_GetPCLK2Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
957 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
958 /* Get HCLK source and Compute PCLK2 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
959 return (HAL_RCC_GetHCLKFreq()>> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE2)>> RCC_CFGR_PPRE2_Pos]);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
960 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
961
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
962 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
963 * @brief Configures the RCC_OscInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
964 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
965 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
966 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
967 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
968 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
969 __weak void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
970 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
971 /* Set all possible values for the Oscillator type parameter ---------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
972 RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
973
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
974 /* Get the HSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
975 if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
976 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
977 RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
978 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
979 else if((RCC->CR &RCC_CR_HSEON) == RCC_CR_HSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
980 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
981 RCC_OscInitStruct->HSEState = RCC_HSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
982 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
983 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
984 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
985 RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
986 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
987
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
988 /* Get the HSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
989 if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
990 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
991 RCC_OscInitStruct->HSIState = RCC_HSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
992 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
993 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
994 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
995 RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
996 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
997
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
998 RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
999
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1000 /* Get the LSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1001 if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1002 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1003 RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1004 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1005 else if((RCC->BDCR &RCC_BDCR_LSEON) == RCC_BDCR_LSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1006 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1007 RCC_OscInitStruct->LSEState = RCC_LSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1008 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1009 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1010 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1011 RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1012 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1013
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1014 /* Get the LSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1015 if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1016 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1017 RCC_OscInitStruct->LSIState = RCC_LSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1018 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1019 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1020 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1021 RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1022 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1023
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1024 /* Get the PLL configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1025 if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1026 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1027 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1028 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1029 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1030 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1031 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1032 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1033 RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1034 RCC_OscInitStruct->PLL.PLLM = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1035 RCC_OscInitStruct->PLL.PLLN = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1036 RCC_OscInitStruct->PLL.PLLP = (uint32_t)((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) + RCC_PLLCFGR_PLLP_0) << 1U) >> RCC_PLLCFGR_PLLP_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1037 RCC_OscInitStruct->PLL.PLLQ = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLQ) >> RCC_PLLCFGR_PLLQ_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1038 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1039
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1040 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1041 * @brief Configures the RCC_ClkInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1042 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1043 * @param RCC_ClkInitStruct pointer to an RCC_ClkInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1044 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1045 * @param pFLatency Pointer on the Flash Latency.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1046 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1047 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1048 void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1049 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1050 /* Set all possible values for the Clock type parameter --------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1051 RCC_ClkInitStruct->ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1052
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1053 /* Get the SYSCLK configuration --------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1054 RCC_ClkInitStruct->SYSCLKSource = (uint32_t)(RCC->CFGR & RCC_CFGR_SW);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1055
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1056 /* Get the HCLK configuration ----------------------------------------------*/
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1057 RCC_ClkInitStruct->AHBCLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_HPRE);
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1058
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1059 /* Get the APB1 configuration ----------------------------------------------*/
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1060 RCC_ClkInitStruct->APB1CLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_PPRE1);
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1061
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1062 /* Get the APB2 configuration ----------------------------------------------*/
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1063 RCC_ClkInitStruct->APB2CLKDivider = (uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3U);
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1064
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1065 /* Get the Flash Wait State (Latency) configuration ------------------------*/
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1066 *pFLatency = (uint32_t)(FLASH->ACR & FLASH_ACR_LATENCY);
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1067 }
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1068
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1069 /**
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1070 * @brief This function handles the RCC CSS interrupt request.
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1071 * @note This API should be called under the NMI_Handler().
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1072 * @retval None
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1073 */
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1074 void HAL_RCC_NMI_IRQHandler(void)
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1075 {
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1076 /* Check RCC CSSF flag */
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1077 if(__HAL_RCC_GET_IT(RCC_IT_CSS))
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1078 {
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1079 /* RCC Clock Security System interrupt user callback */
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1080 HAL_RCC_CSSCallback();
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1081
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1082 /* Clear RCC CSS pending bit */
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1083 __HAL_RCC_CLEAR_IT(RCC_IT_CSS);
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1084 }
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1085 }
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1086
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1087 /**
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1088 * @brief RCC Clock Security System interrupt callback
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1089 * @retval None
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1090 */
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1091 __weak void HAL_RCC_CSSCallback(void)
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1092 {
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1093 /* NOTE : This function Should not be modified, when the callback is needed,
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1094 the HAL_RCC_CSSCallback could be implemented in the user file
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1095 */
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1096 }
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1097
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1098 /**
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1099 * @}
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1100 */
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1101
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1102 /**
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1103 * @}
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1104 */
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1105
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1106 #endif /* HAL_RCC_MODULE_ENABLED */
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1107 /**
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1108 * @}
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1109 */
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1110
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1111 /**
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1112 * @}
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1113 */
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1114
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1115 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/