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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c @ 828:107c29934671 Evo_2_23

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Added CO2 display to T3 Bigfont view: If the CO2 sensor is detected and enabled then the CO2 values will be shown in the PPO2 Sensor view of T3 (middle position, parallel to scrubber timer).
author Ideenmodellierer
date Sun, 05 Nov 2023 20:21:42 +0100
parents c78bcbd5deda
children 4e10a3e087a1
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128
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_rcc.c
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4 * @author MCD Application Team
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5 * @brief RCC HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the Reset and Clock Control (RCC) peripheral:
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8 * + Initialization and de-initialization functions
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9 * + Peripheral Control functions
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### RCC specific features #####
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14 ==============================================================================
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15 [..]
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16 After reset the device is running from Internal High Speed oscillator
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17 (HSI 16MHz) with Flash 0 wait state, Flash prefetch buffer, D-Cache
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18 and I-Cache are disabled, and all peripherals are off except internal
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19 SRAM, Flash and JTAG.
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20 (+) There is no prescaler on High speed (AHB) and Low speed (APB) busses;
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21 all peripherals mapped on these busses are running at HSI speed.
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22 (+) The clock for all peripherals is switched off, except the SRAM and FLASH.
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23 (+) All GPIOs are in input floating state, except the JTAG pins which
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24 are assigned to be used for debug purpose.
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25
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26 [..]
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27 Once the device started from reset, the user application has to:
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28 (+) Configure the clock source to be used to drive the System clock
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29 (if the application needs higher frequency/performance)
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30 (+) Configure the System clock frequency and Flash settings
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31 (+) Configure the AHB and APB busses prescalers
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32 (+) Enable the clock for the peripheral(s) to be used
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33 (+) Configure the clock source(s) for peripherals which clocks are not
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34 derived from the System clock (I2S, RTC, ADC, USB OTG FS/SDIO/RNG)
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35
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36 ##### RCC Limitations #####
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37 ==============================================================================
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38 [..]
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39 A delay between an RCC peripheral clock enable and the effective peripheral
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40 enabling should be taken into account in order to manage the peripheral read/write
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41 from/to registers.
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42 (+) This delay depends on the peripheral mapping.
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43 (+) If peripheral is mapped on AHB: the delay is 2 AHB clock cycle
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44 after the clock enable bit is set on the hardware register
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45 (+) If peripheral is mapped on APB: the delay is 2 APB clock cycle
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46 after the clock enable bit is set on the hardware register
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47
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48 [..]
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49 Implemented Workaround:
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50 (+) For AHB & APB peripherals, a dummy read to the peripheral register has been
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51 inserted in each __HAL_RCC_PPP_CLK_ENABLE() macro.
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52
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53 @endverbatim
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54 ******************************************************************************
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55 * @attention
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56 *
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57 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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58 *
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59 * Redistribution and use in source and binary forms, with or without modification,
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60 * are permitted provided that the following conditions are met:
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61 * 1. Redistributions of source code must retain the above copyright notice,
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62 * this list of conditions and the following disclaimer.
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63 * 2. Redistributions in binary form must reproduce the above copyright notice,
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64 * this list of conditions and the following disclaimer in the documentation
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65 * and/or other materials provided with the distribution.
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66 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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67 * may be used to endorse or promote products derived from this software
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68 * without specific prior written permission.
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69 *
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70 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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71 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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72 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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73 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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74 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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75 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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76 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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77 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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78 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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79 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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80 *
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81 ******************************************************************************
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82 */
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83
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84 /* Includes ------------------------------------------------------------------*/
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85 #include "stm32f4xx_hal.h"
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86
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87 /** @addtogroup STM32F4xx_HAL_Driver
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88 * @{
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89 */
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90
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91 /** @defgroup RCC RCC
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92 * @brief RCC HAL module driver
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93 * @{
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94 */
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95
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96 #ifdef HAL_RCC_MODULE_ENABLED
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97
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98 /* Private typedef -----------------------------------------------------------*/
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99 /* Private define ------------------------------------------------------------*/
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100 /** @addtogroup RCC_Private_Constants
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101 * @{
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102 */
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103
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104 /* Private macro -------------------------------------------------------------*/
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105 #define __MCO1_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
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106 #define MCO1_GPIO_PORT GPIOA
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107 #define MCO1_PIN GPIO_PIN_8
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108
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109 #define __MCO2_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
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110 #define MCO2_GPIO_PORT GPIOC
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111 #define MCO2_PIN GPIO_PIN_9
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112 /**
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113 * @}
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114 */
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115
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116 /* Private variables ---------------------------------------------------------*/
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117 /** @defgroup RCC_Private_Variables RCC Private Variables
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118 * @{
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119 */
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120 /**
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121 * @}
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122 */
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123 /* Private function prototypes -----------------------------------------------*/
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124 /* Private functions ---------------------------------------------------------*/
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125
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126 /** @defgroup RCC_Exported_Functions RCC Exported Functions
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127 * @{
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128 */
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129
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130 /** @defgroup RCC_Exported_Functions_Group1 Initialization and de-initialization functions
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131 * @brief Initialization and Configuration functions
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132 *
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133 @verbatim
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134 ===============================================================================
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135 ##### Initialization and de-initialization functions #####
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136 ===============================================================================
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137 [..]
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138 This section provides functions allowing to configure the internal/external oscillators
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139 (HSE, HSI, LSE, LSI, PLL, CSS and MCO) and the System busses clocks (SYSCLK, AHB, APB1
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140 and APB2).
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141
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142 [..] Internal/external clock and PLL configuration
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143 (#) HSI (high-speed internal), 16 MHz factory-trimmed RC used directly or through
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144 the PLL as System clock source.
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145
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146 (#) LSI (low-speed internal), 32 KHz low consumption RC used as IWDG and/or RTC
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147 clock source.
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148
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149 (#) HSE (high-speed external), 4 to 26 MHz crystal oscillator used directly or
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150 through the PLL as System clock source. Can be used also as RTC clock source.
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151
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152 (#) LSE (low-speed external), 32 KHz oscillator used as RTC clock source.
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153
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154 (#) PLL (clocked by HSI or HSE), featuring two different output clocks:
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155 (++) The first output is used to generate the high speed system clock (up to 168 MHz)
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156 (++) The second output is used to generate the clock for the USB OTG FS (48 MHz),
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157 the random analog generator (<=48 MHz) and the SDIO (<= 48 MHz).
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158
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159 (#) CSS (Clock security system), once enable using the macro __HAL_RCC_CSS_ENABLE()
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160 and if a HSE clock failure occurs(HSE used directly or through PLL as System
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161 clock source), the System clocks automatically switched to HSI and an interrupt
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162 is generated if enabled. The interrupt is linked to the Cortex-M4 NMI
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163 (Non-Maskable Interrupt) exception vector.
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164
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165 (#) MCO1 (microcontroller clock output), used to output HSI, LSE, HSE or PLL
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166 clock (through a configurable prescaler) on PA8 pin.
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167
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168 (#) MCO2 (microcontroller clock output), used to output HSE, PLL, SYSCLK or PLLI2S
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169 clock (through a configurable prescaler) on PC9 pin.
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170
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171 [..] System, AHB and APB busses clocks configuration
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172 (#) Several clock sources can be used to drive the System clock (SYSCLK): HSI,
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173 HSE and PLL.
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174 The AHB clock (HCLK) is derived from System clock through configurable
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175 prescaler and used to clock the CPU, memory and peripherals mapped
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176 on AHB bus (DMA, GPIO...). APB1 (PCLK1) and APB2 (PCLK2) clocks are derived
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177 from AHB clock through configurable prescalers and used to clock
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178 the peripherals mapped on these busses. You can use
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179 "HAL_RCC_GetSysClockFreq()" function to retrieve the frequencies of these clocks.
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180
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181 (#) For the STM32F405xx/07xx and STM32F415xx/17xx devices, the maximum
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182 frequency of the SYSCLK and HCLK is 168 MHz, PCLK2 84 MHz and PCLK1 42 MHz.
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183 Depending on the device voltage range, the maximum frequency should
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184 be adapted accordingly (refer to the product datasheets for more details).
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185
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186 (#) For the STM32F42xxx, STM32F43xxx, STM32F446xx, STM32F469xx and STM32F479xx devices,
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187 the maximum frequency of the SYSCLK and HCLK is 180 MHz, PCLK2 90 MHz and PCLK1 45 MHz.
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188 Depending on the device voltage range, the maximum frequency should
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189 be adapted accordingly (refer to the product datasheets for more details).
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190
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191 (#) For the STM32F401xx, the maximum frequency of the SYSCLK and HCLK is 84 MHz,
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192 PCLK2 84 MHz and PCLK1 42 MHz.
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193 Depending on the device voltage range, the maximum frequency should
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194 be adapted accordingly (refer to the product datasheets for more details).
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195
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196 (#) For the STM32F41xxx, the maximum frequency of the SYSCLK and HCLK is 100 MHz,
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197 PCLK2 100 MHz and PCLK1 50 MHz.
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198 Depending on the device voltage range, the maximum frequency should
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199 be adapted accordingly (refer to the product datasheets for more details).
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200
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201 @endverbatim
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202 * @{
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203 */
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204
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205 /**
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206 * @brief Resets the RCC clock configuration to the default reset state.
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207 * @note The default reset state of the clock configuration is given below:
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208 * - HSI ON and used as system clock source
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209 * - HSE and PLL OFF
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210 * - AHB, APB1 and APB2 prescaler set to 1.
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211 * - CSS, MCO1 and MCO2 OFF
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212 * - All interrupts disabled
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213 * @note This function doesn't modify the configuration of the
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214 * - Peripheral clocks
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215 * - LSI, LSE and RTC clocks
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216 * @retval HAL status
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217 */
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218 __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)
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219 {
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220 return HAL_OK;
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221 }
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222
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223 /**
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224 * @brief Initializes the RCC Oscillators according to the specified parameters in the
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225 * RCC_OscInitTypeDef.
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226 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
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227 * contains the configuration information for the RCC Oscillators.
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228 * @note The PLL is not disabled when used as system clock.
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229 * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not
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230 * supported by this API. User should request a transition to LSE Off
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231 * first and then LSE On or LSE Bypass.
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232 * @note Transition HSE Bypass to HSE On and HSE On to HSE Bypass are not
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233 * supported by this API. User should request a transition to HSE Off
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234 * first and then HSE On or HSE Bypass.
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235 * @retval HAL status
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236 */
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237 __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
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238 {
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239 uint32_t tickstart;
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240
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241 /* Check Null pointer */
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242 if(RCC_OscInitStruct == NULL)
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243 {
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244 return HAL_ERROR;
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245 }
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246
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247 /* Check the parameters */
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248 assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
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249 /*------------------------------- HSE Configuration ------------------------*/
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250 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
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251 {
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252 /* Check the parameters */
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253 assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
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254 /* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
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255 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSE) ||\
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256 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSE)))
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257 {
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258 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState == RCC_HSE_OFF))
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259 {
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260 return HAL_ERROR;
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261 }
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262 }
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263 else
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264 {
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265 /* Set the new HSE configuration ---------------------------------------*/
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266 __HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
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267
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268 /* Check the HSE State */
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269 if((RCC_OscInitStruct->HSEState) != RCC_HSE_OFF)
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270 {
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271 /* Get Start Tick */
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272 tickstart = HAL_GetTick();
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273
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274 /* Wait till HSE is ready */
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275 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
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276 {
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277 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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278 {
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279 return HAL_TIMEOUT;
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280 }
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281 }
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282 }
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283 else
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284 {
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285 /* Get Start Tick */
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286 tickstart = HAL_GetTick();
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287
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288 /* Wait till HSE is bypassed or disabled */
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289 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
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290 {
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291 if((HAL_GetTick() - tickstart ) > HSE_TIMEOUT_VALUE)
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292 {
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293 return HAL_TIMEOUT;
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294 }
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295 }
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296 }
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297 }
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298 }
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299 /*----------------------------- HSI Configuration --------------------------*/
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300 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
301 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
302 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
303 assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
304 assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
305
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
306 /* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
307 if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_HSI) ||\
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
308 ((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_CFGR_SWS_PLL) && ((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLCFGR_PLLSRC_HSI)))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
309 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
310 /* When HSI is used as system clock it will not disabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
311 if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
312 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
313 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
314 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
315 /* Otherwise, just the calibration is allowed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
316 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
317 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
318 /* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
319 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
320 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
321 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
322 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
323 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
324 /* Check the HSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
325 if((RCC_OscInitStruct->HSIState)!= RCC_HSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
326 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
327 /* Enable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
328 __HAL_RCC_HSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
329
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
330 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
331 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
332
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
333 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
334 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
335 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
336 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
337 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
338 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
339 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
340 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
341
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
342 /* Adjusts the Internal High Speed oscillator (HSI) calibration value. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
343 __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
344 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
345 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
346 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
347 /* Disable the Internal High Speed oscillator (HSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
348 __HAL_RCC_HSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
349
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
350 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
351 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
352
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
353 /* Wait till HSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
354 while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
355 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
356 if((HAL_GetTick() - tickstart ) > HSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
357 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
358 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
359 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
360 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
361 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
362 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
363 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
364 /*------------------------------ LSI Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
365 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
366 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
367 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
368 assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
369
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
370 /* Check the LSI State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
371 if((RCC_OscInitStruct->LSIState)!= RCC_LSI_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
372 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
373 /* Enable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
374 __HAL_RCC_LSI_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
375
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
376 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
377 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
378
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
379 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
380 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
381 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
382 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
383 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
384 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
385 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
386 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
387 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
388 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
389 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
390 /* Disable the Internal Low Speed oscillator (LSI). */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
391 __HAL_RCC_LSI_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
392
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
393 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
394 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
395
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
396 /* Wait till LSI is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
397 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
398 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
399 if((HAL_GetTick() - tickstart ) > LSI_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
400 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
401 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
402 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
403 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
404 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
405 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
406 /*------------------------------ LSE Configuration -------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
407 if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
408 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
409 FlagStatus pwrclkchanged = RESET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
410
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
411 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
412 assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
413
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
414 /* Update LSE configuration in Backup Domain control register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
415 /* Requires to enable write access to Backup Domain of necessary */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
416 if(__HAL_RCC_PWR_IS_CLK_DISABLED())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
417 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
418 __HAL_RCC_PWR_CLK_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
419 pwrclkchanged = SET;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
420 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
421
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
422 if(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
423 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
424 /* Enable write access to Backup domain */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
425 SET_BIT(PWR->CR, PWR_CR_DBP);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
426
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
427 /* Wait for Backup domain Write protection disable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
428 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
429
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
430 while(HAL_IS_BIT_CLR(PWR->CR, PWR_CR_DBP))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
431 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
432 if((HAL_GetTick() - tickstart) > RCC_DBP_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
433 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
434 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
435 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
436 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
437 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
438
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
439 /* Set the new LSE configuration -----------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
440 __HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
441 /* Check the LSE State */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
442 if((RCC_OscInitStruct->LSEState) != RCC_LSE_OFF)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
443 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
444 /* Get Start Tick*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
445 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
446
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
447 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
448 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
449 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
450 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
451 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
452 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
453 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
454 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
455 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
456 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
457 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
458 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
459 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
460
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
461 /* Wait till LSE is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
462 while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
463 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
464 if((HAL_GetTick() - tickstart ) > RCC_LSE_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
465 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
466 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
467 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
468 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
469 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
470
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
471 /* Restore clock configuration if changed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
472 if(pwrclkchanged == SET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
473 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
474 __HAL_RCC_PWR_CLK_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
475 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
476 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
477 /*-------------------------------- PLL Configuration -----------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
478 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
479 assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
480 if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
481 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
482 /* Check if the PLL is used as system clock or not */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
483 if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
484 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
485 if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
486 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
487 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
488 assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
489 assert_param(IS_RCC_PLLM_VALUE(RCC_OscInitStruct->PLL.PLLM));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
490 assert_param(IS_RCC_PLLN_VALUE(RCC_OscInitStruct->PLL.PLLN));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
491 assert_param(IS_RCC_PLLP_VALUE(RCC_OscInitStruct->PLL.PLLP));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
492 assert_param(IS_RCC_PLLQ_VALUE(RCC_OscInitStruct->PLL.PLLQ));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
493
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
494 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
495 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
496
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
497 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
498 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
499
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
500 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
504 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
505 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
506 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
507 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
508
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
509 /* Configure the main PLL clock source, multiplication and division factors. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
510 WRITE_REG(RCC->PLLCFGR, (RCC_OscInitStruct->PLL.PLLSource | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 RCC_OscInitStruct->PLL.PLLM | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 (RCC_OscInitStruct->PLL.PLLN << RCC_PLLCFGR_PLLN_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 (((RCC_OscInitStruct->PLL.PLLP >> 1U) - 1U) << RCC_PLLCFGR_PLLP_Pos) | \
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
514 (RCC_OscInitStruct->PLL.PLLQ << RCC_PLLCFGR_PLLQ_Pos)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 /* Enable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 __HAL_RCC_PLL_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
525 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
526 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
527 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
528 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
529 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
530 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
531 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
532 /* Disable the main PLL. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 __HAL_RCC_PLL_DISABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
534
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
535 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 /* Wait till PLL is ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539 while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 if((HAL_GetTick() - tickstart ) > PLL_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
542 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
543 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
544 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
545 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
546 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
547 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
548 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
549 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
550 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
551 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
552 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
553 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
554 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
555
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
556 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
557 * @brief Initializes the CPU, AHB and APB busses clocks according to the specified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
558 * parameters in the RCC_ClkInitStruct.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 * @param RCC_ClkInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
560 * contains the configuration information for the RCC peripheral.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 * @param FLatency FLASH Latency, this parameter depend on device selected
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
562 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
564 * and updated by HAL_RCC_GetHCLKFreq() function called within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
565 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
566 * @note The HSI is used (enabled by hardware) as system clock source after
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
567 * startup from Reset, wake-up from STOP and STANDBY mode, or in case
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
568 * of failure of the HSE used directly or indirectly as system clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
569 * (if the Clock Security System CSS is enabled).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
570 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
571 * @note A switch from one clock source to another occurs only if the target
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
572 * clock source is ready (clock stable after startup delay or PLL locked).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
573 * If a clock source which is not yet ready is selected, the switch will
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
574 * occur when the clock source will be ready.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
575 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
576 * @note Depending on the device voltage range, the software has to set correctly
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
577 * HPRE[3:0] bits to ensure that HCLK not exceed the maximum allowed frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
578 * (for more details refer to section above "Initialization/de-initialization functions")
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
579 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
580 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
581 HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
582 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
583 uint32_t tickstart;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
584
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
585 /* Check Null pointer */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
586 if(RCC_ClkInitStruct == NULL)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
587 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
588 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
589 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
590
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
591 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
592 assert_param(IS_RCC_CLOCKTYPE(RCC_ClkInitStruct->ClockType));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
593 assert_param(IS_FLASH_LATENCY(FLatency));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
594
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
595 /* To correctly read data from FLASH memory, the number of wait states (LATENCY)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
596 must be correctly programmed according to the frequency of the CPU clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
597 (HCLK) and the supply voltage of the device. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
598
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
599 /* Increasing the number of wait states because of higher CPU frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
600 if(FLatency > __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
601 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
602 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
603 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
604
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
605 /* Check that the new number of wait states is taken into account to access the Flash
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
606 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
607 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
608 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
609 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
610 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
611 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
612
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
613 /*-------------------------- HCLK Configuration --------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
614 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_HCLK) == RCC_CLOCKTYPE_HCLK)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
615 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
616 /* Set the highest APBx dividers in order to ensure that we do not go through
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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617 a non-spec phase whatever we decrease or increase HCLK. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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618 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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619 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
620 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_HCLK_DIV16);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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621 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
622
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
623 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
624 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
625 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, (RCC_HCLK_DIV16 << 3));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
626 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
627
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
628 assert_param(IS_RCC_HCLK(RCC_ClkInitStruct->AHBCLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
629 MODIFY_REG(RCC->CFGR, RCC_CFGR_HPRE, RCC_ClkInitStruct->AHBCLKDivider);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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630 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
631
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
632 /*------------------------- SYSCLK Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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633 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_SYSCLK) == RCC_CLOCKTYPE_SYSCLK)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
634 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
635 assert_param(IS_RCC_SYSCLKSOURCE(RCC_ClkInitStruct->SYSCLKSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
636
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
637 /* HSE is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
638 if(RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_HSE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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639 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
640 /* Check the HSE ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
641 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
642 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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643 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
644 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
645 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
646 /* PLL is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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647 else if((RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLCLK) ||
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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648 (RCC_ClkInitStruct->SYSCLKSource == RCC_SYSCLKSOURCE_PLLRCLK))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
649 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
650 /* Check the PLL ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
651 if(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
652 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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653 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
654 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
655 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
656 /* HSI is selected as System Clock Source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
657 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
658 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
659 /* Check the HSI ready flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
660 if(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
661 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
662 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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663 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
664 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
665
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
666 __HAL_RCC_SYSCLK_CONFIG(RCC_ClkInitStruct->SYSCLKSource);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
667
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
668 /* Get Start Tick */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
669 tickstart = HAL_GetTick();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
670
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
671 while (__HAL_RCC_GET_SYSCLK_SOURCE() != (RCC_ClkInitStruct->SYSCLKSource << RCC_CFGR_SWS_Pos))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
672 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
673 if ((HAL_GetTick() - tickstart) > CLOCKSWITCH_TIMEOUT_VALUE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
674 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
675 return HAL_TIMEOUT;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
676 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
677 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
678 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
679
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
680 /* Decreasing the number of wait states because of lower CPU frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
681 if(FLatency < __HAL_FLASH_GET_LATENCY())
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
682 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
683 /* Program the new number of wait states to the LATENCY bits in the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
684 __HAL_FLASH_SET_LATENCY(FLatency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
685
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
686 /* Check that the new number of wait states is taken into account to access the Flash
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
687 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
688 if(__HAL_FLASH_GET_LATENCY() != FLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
689 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
690 return HAL_ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
691 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
692 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
693
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
694 /*-------------------------- PCLK1 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
695 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK1) == RCC_CLOCKTYPE_PCLK1)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
696 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
697 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB1CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
698 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE1, RCC_ClkInitStruct->APB1CLKDivider);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
699 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
700
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
701 /*-------------------------- PCLK2 Configuration ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
702 if(((RCC_ClkInitStruct->ClockType) & RCC_CLOCKTYPE_PCLK2) == RCC_CLOCKTYPE_PCLK2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
703 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704 assert_param(IS_RCC_PCLK(RCC_ClkInitStruct->APB2CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
705 MODIFY_REG(RCC->CFGR, RCC_CFGR_PPRE2, ((RCC_ClkInitStruct->APB2CLKDivider) << 3U));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
706 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
707
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
708 /* Update the SystemCoreClock global variable */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
709 SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE)>> RCC_CFGR_HPRE_Pos];
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
710
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
711 /* Configure the source of time base considering new system clocks settings */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
712 HAL_InitTick (TICK_INT_PRIORITY);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
713
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
714 return HAL_OK;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
715 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
716
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
717 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
718 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
719 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
720
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
721 /** @defgroup RCC_Exported_Functions_Group2 Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
722 * @brief RCC clocks control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
723 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
724 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
725 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
726 ##### Peripheral Control functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
727 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
728 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
729 This subsection provides a set of functions allowing to control the RCC Clocks
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
730 frequencies.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
731
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
732 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
733 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
734 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
735
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
736 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
737 * @brief Selects the clock source to output on MCO1 pin(PA8) or on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
738 * @note PA8/PC9 should be configured in alternate function mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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739 * @param RCC_MCOx specifies the output direction for the clock source.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
740 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
741 * @arg RCC_MCO1: Clock source to output on MCO1 pin(PA8).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
742 * @arg RCC_MCO2: Clock source to output on MCO2 pin(PC9).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
743 * @param RCC_MCOSource specifies the clock source to output.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
744 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
745 * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
746 * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
747 * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
748 * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
749 * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
750 * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source, available for all STM32F4 devices except STM32F410xx
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
751 * @arg RCC_MCO2SOURCE_I2SCLK: I2SCLK clock selected as MCO2 source, available only for STM32F410Rx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
752 * @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
753 * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
754 * @param RCC_MCODiv specifies the MCOx prescaler.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
755 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
756 * @arg RCC_MCODIV_1: no division applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
757 * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
758 * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
759 * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
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diff changeset
760 * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
761 * @note For STM32F410Rx devices to output I2SCLK clock on MCO2 you should have
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
762 * at last one of the SPI clocks enabled (SPI1, SPI2 or SPI5).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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763 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
764 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
765 void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
766 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
767 GPIO_InitTypeDef GPIO_InitStruct;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
768 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
769 assert_param(IS_RCC_MCO(RCC_MCOx));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
770 assert_param(IS_RCC_MCODIV(RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
771 /* RCC_MCO1 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
772 if(RCC_MCOx == RCC_MCO1)
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parents:
diff changeset
773 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
774 assert_param(IS_RCC_MCO1SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
775
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
776 /* MCO1 Clock Enable */
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diff changeset
777 __MCO1_CLK_ENABLE();
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parents:
diff changeset
778
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
779 /* Configure the MCO1 pin in alternate function mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
780 GPIO_InitStruct.Pin = MCO1_PIN;
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diff changeset
781 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
782 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
783 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
784 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
785 HAL_GPIO_Init(MCO1_GPIO_PORT, &GPIO_InitStruct);
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parents:
diff changeset
786
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
787 /* Mask MCO1 and MCO1PRE[2:0] bits then Select MCO1 clock source and prescaler */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
788 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), (RCC_MCOSource | RCC_MCODiv));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
789
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
790 /* This RCC MCO1 enable feature is available only on STM32F410xx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
791 #if defined(RCC_CFGR_MCO1EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
792 __HAL_RCC_MCO1_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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793 #endif /* RCC_CFGR_MCO1EN */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
794 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
795 #if defined(RCC_CFGR_MCO2)
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796 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
797 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
798 assert_param(IS_RCC_MCO2SOURCE(RCC_MCOSource));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
799
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
800 /* MCO2 Clock Enable */
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parents:
diff changeset
801 __MCO2_CLK_ENABLE();
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parents:
diff changeset
802
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
803 /* Configure the MCO2 pin in alternate function mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
804 GPIO_InitStruct.Pin = MCO2_PIN;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
805 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
806 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
807 GPIO_InitStruct.Pull = GPIO_NOPULL;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
808 GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
809 HAL_GPIO_Init(MCO2_GPIO_PORT, &GPIO_InitStruct);
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parents:
diff changeset
810
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
811 /* Mask MCO2 and MCO2PRE[2:0] bits then Select MCO2 clock source and prescaler */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
812 MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), (RCC_MCOSource | (RCC_MCODiv << 3U)));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
813
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
814 /* This RCC MCO2 enable feature is available only on STM32F410Rx devices */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
815 #if defined(RCC_CFGR_MCO2EN)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
816 __HAL_RCC_MCO2_ENABLE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
817 #endif /* RCC_CFGR_MCO2EN */
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diff changeset
818 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
819 #endif /* RCC_CFGR_MCO2 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
820 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
821
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
822 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
823 * @brief Enables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
824 * @note If a failure is detected on the HSE oscillator clock, this oscillator
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
825 * is automatically disabled and an interrupt is generated to inform the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
826 * software about the failure (Clock Security System Interrupt, CSSI),
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
827 * allowing the MCU to perform rescue operations. The CSSI is linked to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
828 * the Cortex-M4 NMI (Non-Maskable Interrupt) exception vector.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
829 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
830 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
831 void HAL_RCC_EnableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
832 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
833 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)ENABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
834 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
835
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
836 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
837 * @brief Disables the Clock Security System.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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838 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
839 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
840 void HAL_RCC_DisableCSS(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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841 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
842 *(__IO uint32_t *) RCC_CR_CSSON_BB = (uint32_t)DISABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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843 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
844
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
845 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
846 * @brief Returns the SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
847 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
848 * @note The system frequency computed by this function is not the real
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
849 * frequency in the chip. It is calculated based on the predefined
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
850 * constant and the selected clock source:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
851 * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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852 * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(**)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
853 * @note If SYSCLK source is PLL, function returns values based on HSE_VALUE(**)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
854 * or HSI_VALUE(*) multiplied/divided by the PLL factors.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
855 * @note (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
856 * 16 MHz) but the real value may vary depending on the variations
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
857 * in voltage and temperature.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
858 * @note (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
859 * 25 MHz), user has to ensure that HSE_VALUE is same as the real
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
860 * frequency of the crystal used. Otherwise, this function may
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
861 * have wrong result.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
862 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
863 * @note The result of this function could be not correct when using fractional
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
864 * value for HSE crystal.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
865 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
866 * @note This function can be used by the user application to compute the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
867 * baudrate for the communication peripherals or configure other parameters.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
868 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
869 * @note Each time SYSCLK changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
870 * right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
871 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
872 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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873 * @retval SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
874 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
875 __weak uint32_t HAL_RCC_GetSysClockFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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876 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
877 uint32_t pllm = 0U, pllvco = 0U, pllp = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
878 uint32_t sysclockfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
879
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
880 /* Get SYSCLK source -------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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881 switch (RCC->CFGR & RCC_CFGR_SWS)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
882 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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883 case RCC_CFGR_SWS_HSI: /* HSI used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
884 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
885 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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886 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
887 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
888 case RCC_CFGR_SWS_HSE: /* HSE used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
889 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
890 sysclockfreq = HSE_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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891 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
892 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
893 case RCC_CFGR_SWS_PLL: /* PLL used as system clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
894 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
895 /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
896 SYSCLK = PLL_VCO / PLLP */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
897 pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
898 if(__HAL_RCC_GET_PLL_OSCSOURCE() != RCC_PLLSOURCE_HSI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
899 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
900 /* HSE used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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901 pllvco = (uint32_t) ((((uint64_t) HSE_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
902 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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903 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
904 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
905 /* HSI used as PLL clock source */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
906 pllvco = (uint32_t) ((((uint64_t) HSI_VALUE * ((uint64_t) ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos)))) / (uint64_t)pllm);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
907 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
908 pllp = ((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >> RCC_PLLCFGR_PLLP_Pos) + 1U) *2U);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
909
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
910 sysclockfreq = pllvco/pllp;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
911 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
912 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
913 default:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
914 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
915 sysclockfreq = HSI_VALUE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
916 break;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
917 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
918 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
919 return sysclockfreq;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
920 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
921
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
922 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
923 * @brief Returns the HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
924 * @note Each time HCLK changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
925 * right HCLK value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
926 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
927 * @note The SystemCoreClock CMSIS variable is used to store System Clock Frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
928 * and updated within this function
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
929 * @retval HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
930 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
931 uint32_t HAL_RCC_GetHCLKFreq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
932 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
933 return SystemCoreClock;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
934 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
935
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
936 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
937 * @brief Returns the PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
938 * @note Each time PCLK1 changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
939 * right PCLK1 value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
940 * @retval PCLK1 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
941 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
942 uint32_t HAL_RCC_GetPCLK1Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
943 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
944 /* Get HCLK source and Compute PCLK1 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
945 return (HAL_RCC_GetHCLKFreq() >> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE1)>> RCC_CFGR_PPRE1_Pos]);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
946 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
947
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
948 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
949 * @brief Returns the PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
950 * @note Each time PCLK2 changes, this function must be called to update the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
951 * right PCLK2 value. Otherwise, any configuration based on this function will be incorrect.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
952 * @retval PCLK2 frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
953 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
954 uint32_t HAL_RCC_GetPCLK2Freq(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
955 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
956 /* Get HCLK source and Compute PCLK2 frequency ---------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
957 return (HAL_RCC_GetHCLKFreq()>> APBPrescTable[(RCC->CFGR & RCC_CFGR_PPRE2)>> RCC_CFGR_PPRE2_Pos]);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
958 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
959
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
960 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
961 * @brief Configures the RCC_OscInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
962 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
963 * @param RCC_OscInitStruct pointer to an RCC_OscInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
964 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
965 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
966 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
967 __weak void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
968 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
969 /* Set all possible values for the Oscillator type parameter ---------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
970 RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
971
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
972 /* Get the HSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
973 if((RCC->CR &RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
974 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
975 RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
976 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
977 else if((RCC->CR &RCC_CR_HSEON) == RCC_CR_HSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
978 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
979 RCC_OscInitStruct->HSEState = RCC_HSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
980 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
981 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
982 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
983 RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
984 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
985
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
986 /* Get the HSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
987 if((RCC->CR &RCC_CR_HSION) == RCC_CR_HSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
988 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
989 RCC_OscInitStruct->HSIState = RCC_HSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
990 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
991 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
992 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
993 RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
994 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
995
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
996 RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> RCC_CR_HSITRIM_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
997
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
998 /* Get the LSE configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
999 if((RCC->BDCR &RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1000 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1001 RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1002 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1003 else if((RCC->BDCR &RCC_BDCR_LSEON) == RCC_BDCR_LSEON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1004 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1005 RCC_OscInitStruct->LSEState = RCC_LSE_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1006 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1007 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1008 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1009 RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1010 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1011
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1012 /* Get the LSI configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1013 if((RCC->CSR &RCC_CSR_LSION) == RCC_CSR_LSION)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1014 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1015 RCC_OscInitStruct->LSIState = RCC_LSI_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1016 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1017 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1018 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1019 RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1020 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1021
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1022 /* Get the PLL configuration -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1023 if((RCC->CR &RCC_CR_PLLON) == RCC_CR_PLLON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1024 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1025 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1026 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1027 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1028 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1029 RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1030 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1031 RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1032 RCC_OscInitStruct->PLL.PLLM = (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1033 RCC_OscInitStruct->PLL.PLLN = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> RCC_PLLCFGR_PLLN_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1034 RCC_OscInitStruct->PLL.PLLP = (uint32_t)((((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) + RCC_PLLCFGR_PLLP_0) << 1U) >> RCC_PLLCFGR_PLLP_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1035 RCC_OscInitStruct->PLL.PLLQ = (uint32_t)((RCC->PLLCFGR & RCC_PLLCFGR_PLLQ) >> RCC_PLLCFGR_PLLQ_Pos);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1036 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1037
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1038 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1039 * @brief Configures the RCC_ClkInitStruct according to the internal
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1040 * RCC configuration registers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1041 * @param RCC_ClkInitStruct pointer to an RCC_ClkInitTypeDef structure that
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1042 * will be configured.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1043 * @param pFLatency Pointer on the Flash Latency.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1044 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1045 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1046 void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1047 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1048 /* Set all possible values for the Clock type parameter --------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1049 RCC_ClkInitStruct->ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1050
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1051 /* Get the SYSCLK configuration --------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1052 RCC_ClkInitStruct->SYSCLKSource = (uint32_t)(RCC->CFGR & RCC_CFGR_SW);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
1053
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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1054 /* Get the HCLK configuration ----------------------------------------------*/
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1055 RCC_ClkInitStruct->AHBCLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_HPRE);
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1056
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1057 /* Get the APB1 configuration ----------------------------------------------*/
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1058 RCC_ClkInitStruct->APB1CLKDivider = (uint32_t)(RCC->CFGR & RCC_CFGR_PPRE1);
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1059
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1060 /* Get the APB2 configuration ----------------------------------------------*/
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1061 RCC_ClkInitStruct->APB2CLKDivider = (uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3U);
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1062
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1063 /* Get the Flash Wait State (Latency) configuration ------------------------*/
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1064 *pFLatency = (uint32_t)(FLASH->ACR & FLASH_ACR_LATENCY);
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1065 }
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1066
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1067 /**
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1068 * @brief This function handles the RCC CSS interrupt request.
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1069 * @note This API should be called under the NMI_Handler().
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1070 * @retval None
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1071 */
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1072 void HAL_RCC_NMI_IRQHandler(void)
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1073 {
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1074 /* Check RCC CSSF flag */
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1075 if(__HAL_RCC_GET_IT(RCC_IT_CSS))
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1076 {
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1077 /* RCC Clock Security System interrupt user callback */
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1078 HAL_RCC_CSSCallback();
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1079
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1080 /* Clear RCC CSS pending bit */
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1081 __HAL_RCC_CLEAR_IT(RCC_IT_CSS);
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1082 }
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1083 }
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1084
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1085 /**
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1086 * @brief RCC Clock Security System interrupt callback
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1087 * @retval None
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1088 */
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1089 __weak void HAL_RCC_CSSCallback(void)
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1090 {
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1091 /* NOTE : This function Should not be modified, when the callback is needed,
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1092 the HAL_RCC_CSSCallback could be implemented in the user file
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1093 */
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1094 }
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1095
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1096 /**
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1097 * @}
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1098 */
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1099
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1100 /**
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1101 * @}
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1102 */
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1103
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1104 #endif /* HAL_RCC_MODULE_ENABLED */
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1105 /**
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1106 * @}
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1107 */
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1108
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1109 /**
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1110 * @}
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1111 */
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1112
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1113 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/