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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_utils.c @ 274:2f0eb65df557

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add update files for testing purposes, bump to 1.4.8 beta / RTE 1.7.1 beta
author heinrichsweikamp
date Sun, 28 Apr 2019 09:41:43 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_ll_utils.c
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4 * @author MCD Application Team
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5 * @brief UTILS LL module driver.
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6 ******************************************************************************
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7 * @attention
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8 *
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9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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10 *
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11 * Redistribution and use in source and binary forms, with or without modification,
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12 * are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright notice,
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16 * this list of conditions and the following disclaimer in the documentation
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17 * and/or other materials provided with the distribution.
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18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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19 * may be used to endorse or promote products derived from this software
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20 * without specific prior written permission.
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21 *
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22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
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33 ******************************************************************************
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34 */
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35 /* Includes ------------------------------------------------------------------*/
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36 #include "stm32f4xx_ll_utils.h"
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37 #include "stm32f4xx_ll_rcc.h"
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38 #include "stm32f4xx_ll_system.h"
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39 #include "stm32f4xx_ll_pwr.h"
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40 #ifdef USE_FULL_ASSERT
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41 #include "stm32_assert.h"
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42 #else
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43 #define assert_param(expr) ((void)0U)
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44 #endif /* USE_FULL_ASSERT */
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45
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46 /** @addtogroup STM32F4xx_LL_Driver
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47 * @{
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48 */
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49
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50 /** @addtogroup UTILS_LL
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51 * @{
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52 */
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53
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54 /* Private types -------------------------------------------------------------*/
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55 /* Private variables ---------------------------------------------------------*/
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56 /* Private constants ---------------------------------------------------------*/
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57 /** @addtogroup UTILS_LL_Private_Constants
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58 * @{
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59 */
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60 #if defined(RCC_MAX_FREQUENCY_SCALE1)
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61 #define UTILS_MAX_FREQUENCY_SCALE1 RCC_MAX_FREQUENCY /*!< Maximum frequency for system clock at power scale1, in Hz */
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62 #endif /*RCC_MAX_FREQUENCY_SCALE1 */
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63 #define UTILS_MAX_FREQUENCY_SCALE2 RCC_MAX_FREQUENCY_SCALE2 /*!< Maximum frequency for system clock at power scale2, in Hz */
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64 #if defined(RCC_MAX_FREQUENCY_SCALE3)
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65 #define UTILS_MAX_FREQUENCY_SCALE3 RCC_MAX_FREQUENCY_SCALE3 /*!< Maximum frequency for system clock at power scale3, in Hz */
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66 #endif /* MAX_FREQUENCY_SCALE3 */
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67
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68 /* Defines used for PLL range */
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69 #define UTILS_PLLVCO_INPUT_MIN RCC_PLLVCO_INPUT_MIN /*!< Frequency min for PLLVCO input, in Hz */
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70 #define UTILS_PLLVCO_INPUT_MAX RCC_PLLVCO_INPUT_MAX /*!< Frequency max for PLLVCO input, in Hz */
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71 #define UTILS_PLLVCO_OUTPUT_MIN RCC_PLLVCO_OUTPUT_MIN /*!< Frequency min for PLLVCO output, in Hz */
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72 #define UTILS_PLLVCO_OUTPUT_MAX RCC_PLLVCO_OUTPUT_MAX /*!< Frequency max for PLLVCO output, in Hz */
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73
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74 /* Defines used for HSE range */
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75 #define UTILS_HSE_FREQUENCY_MIN 4000000U /*!< Frequency min for HSE frequency, in Hz */
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76 #define UTILS_HSE_FREQUENCY_MAX 26000000U /*!< Frequency max for HSE frequency, in Hz */
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77
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78 /* Defines used for FLASH latency according to HCLK Frequency */
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79 #if defined(FLASH_SCALE1_LATENCY1_FREQ)
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80 #define UTILS_SCALE1_LATENCY1_FREQ FLASH_SCALE1_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 1 */
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81 #endif
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82 #if defined(FLASH_SCALE1_LATENCY2_FREQ)
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83 #define UTILS_SCALE1_LATENCY2_FREQ FLASH_SCALE1_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 1 */
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84 #endif
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85 #if defined(FLASH_SCALE1_LATENCY3_FREQ)
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86 #define UTILS_SCALE1_LATENCY3_FREQ FLASH_SCALE1_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 3 in power scale 1 */
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87 #endif
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88 #if defined(FLASH_SCALE1_LATENCY4_FREQ)
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89 #define UTILS_SCALE1_LATENCY4_FREQ FLASH_SCALE1_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 1 */
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90 #endif
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91 #if defined(FLASH_SCALE1_LATENCY5_FREQ)
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92 #define UTILS_SCALE1_LATENCY5_FREQ FLASH_SCALE1_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 1 */
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93 #endif
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94 #define UTILS_SCALE2_LATENCY1_FREQ FLASH_SCALE2_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 2 */
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95 #define UTILS_SCALE2_LATENCY2_FREQ FLASH_SCALE2_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */
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96 #if defined(FLASH_SCALE2_LATENCY3_FREQ)
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97 #define UTILS_SCALE2_LATENCY3_FREQ FLASH_SCALE2_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */
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98 #endif
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99 #if defined(FLASH_SCALE2_LATENCY4_FREQ)
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100 #define UTILS_SCALE2_LATENCY4_FREQ FLASH_SCALE2_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 2 */
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101 #endif
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102 #if defined(FLASH_SCALE2_LATENCY5_FREQ)
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103 #define UTILS_SCALE2_LATENCY5_FREQ FLASH_SCALE2_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 2 */
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104 #endif
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105 #if defined(FLASH_SCALE3_LATENCY1_FREQ)
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106 #define UTILS_SCALE3_LATENCY1_FREQ FLASH_SCALE3_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 3 */
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107 #endif
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108 #if defined(FLASH_SCALE3_LATENCY2_FREQ)
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109 #define UTILS_SCALE3_LATENCY2_FREQ FLASH_SCALE3_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 3 */
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110 #endif
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111 #if defined(FLASH_SCALE3_LATENCY3_FREQ)
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112 #define UTILS_SCALE3_LATENCY3_FREQ FLASH_SCALE3_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 3 in power scale 3 */
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113 #endif
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114 #if defined(FLASH_SCALE3_LATENCY4_FREQ)
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115 #define UTILS_SCALE3_LATENCY4_FREQ FLASH_SCALE3_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 3 */
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116 #endif
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117 #if defined(FLASH_SCALE3_LATENCY5_FREQ)
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118 #define UTILS_SCALE3_LATENCY5_FREQ FLASH_SCALE3_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 3 */
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119 #endif
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120 /**
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121 * @}
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122 */
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123
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124 /* Private macros ------------------------------------------------------------*/
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125 /** @addtogroup UTILS_LL_Private_Macros
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126 * @{
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127 */
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128 #define IS_LL_UTILS_SYSCLK_DIV(__VALUE__) (((__VALUE__) == LL_RCC_SYSCLK_DIV_1) \
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129 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_2) \
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130 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_4) \
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131 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_8) \
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132 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_16) \
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133 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_64) \
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134 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_128) \
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135 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_256) \
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136 || ((__VALUE__) == LL_RCC_SYSCLK_DIV_512))
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137
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138 #define IS_LL_UTILS_APB1_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB1_DIV_1) \
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139 || ((__VALUE__) == LL_RCC_APB1_DIV_2) \
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140 || ((__VALUE__) == LL_RCC_APB1_DIV_4) \
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141 || ((__VALUE__) == LL_RCC_APB1_DIV_8) \
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142 || ((__VALUE__) == LL_RCC_APB1_DIV_16))
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143
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144 #define IS_LL_UTILS_APB2_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB2_DIV_1) \
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145 || ((__VALUE__) == LL_RCC_APB2_DIV_2) \
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146 || ((__VALUE__) == LL_RCC_APB2_DIV_4) \
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147 || ((__VALUE__) == LL_RCC_APB2_DIV_8) \
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148 || ((__VALUE__) == LL_RCC_APB2_DIV_16))
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149
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150 #define IS_LL_UTILS_PLLM_VALUE(__VALUE__) (((__VALUE__) == LL_RCC_PLLM_DIV_2) \
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151 || ((__VALUE__) == LL_RCC_PLLM_DIV_3) \
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152 || ((__VALUE__) == LL_RCC_PLLM_DIV_4) \
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153 || ((__VALUE__) == LL_RCC_PLLM_DIV_5) \
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154 || ((__VALUE__) == LL_RCC_PLLM_DIV_6) \
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155 || ((__VALUE__) == LL_RCC_PLLM_DIV_7) \
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156 || ((__VALUE__) == LL_RCC_PLLM_DIV_8) \
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157 || ((__VALUE__) == LL_RCC_PLLM_DIV_9) \
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158 || ((__VALUE__) == LL_RCC_PLLM_DIV_10) \
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159 || ((__VALUE__) == LL_RCC_PLLM_DIV_11) \
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160 || ((__VALUE__) == LL_RCC_PLLM_DIV_12) \
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161 || ((__VALUE__) == LL_RCC_PLLM_DIV_13) \
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162 || ((__VALUE__) == LL_RCC_PLLM_DIV_14) \
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163 || ((__VALUE__) == LL_RCC_PLLM_DIV_15) \
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164 || ((__VALUE__) == LL_RCC_PLLM_DIV_16) \
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165 || ((__VALUE__) == LL_RCC_PLLM_DIV_17) \
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166 || ((__VALUE__) == LL_RCC_PLLM_DIV_18) \
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167 || ((__VALUE__) == LL_RCC_PLLM_DIV_19) \
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168 || ((__VALUE__) == LL_RCC_PLLM_DIV_20) \
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169 || ((__VALUE__) == LL_RCC_PLLM_DIV_21) \
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170 || ((__VALUE__) == LL_RCC_PLLM_DIV_22) \
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171 || ((__VALUE__) == LL_RCC_PLLM_DIV_23) \
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172 || ((__VALUE__) == LL_RCC_PLLM_DIV_24) \
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173 || ((__VALUE__) == LL_RCC_PLLM_DIV_25) \
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174 || ((__VALUE__) == LL_RCC_PLLM_DIV_26) \
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175 || ((__VALUE__) == LL_RCC_PLLM_DIV_27) \
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176 || ((__VALUE__) == LL_RCC_PLLM_DIV_28) \
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177 || ((__VALUE__) == LL_RCC_PLLM_DIV_29) \
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178 || ((__VALUE__) == LL_RCC_PLLM_DIV_30) \
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179 || ((__VALUE__) == LL_RCC_PLLM_DIV_31) \
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180 || ((__VALUE__) == LL_RCC_PLLM_DIV_32) \
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181 || ((__VALUE__) == LL_RCC_PLLM_DIV_33) \
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182 || ((__VALUE__) == LL_RCC_PLLM_DIV_34) \
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183 || ((__VALUE__) == LL_RCC_PLLM_DIV_35) \
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184 || ((__VALUE__) == LL_RCC_PLLM_DIV_36) \
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185 || ((__VALUE__) == LL_RCC_PLLM_DIV_37) \
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186 || ((__VALUE__) == LL_RCC_PLLM_DIV_38) \
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187 || ((__VALUE__) == LL_RCC_PLLM_DIV_39) \
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188 || ((__VALUE__) == LL_RCC_PLLM_DIV_40) \
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189 || ((__VALUE__) == LL_RCC_PLLM_DIV_41) \
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190 || ((__VALUE__) == LL_RCC_PLLM_DIV_42) \
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191 || ((__VALUE__) == LL_RCC_PLLM_DIV_43) \
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192 || ((__VALUE__) == LL_RCC_PLLM_DIV_44) \
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193 || ((__VALUE__) == LL_RCC_PLLM_DIV_45) \
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194 || ((__VALUE__) == LL_RCC_PLLM_DIV_46) \
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195 || ((__VALUE__) == LL_RCC_PLLM_DIV_47) \
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196 || ((__VALUE__) == LL_RCC_PLLM_DIV_48) \
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197 || ((__VALUE__) == LL_RCC_PLLM_DIV_49) \
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198 || ((__VALUE__) == LL_RCC_PLLM_DIV_50) \
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199 || ((__VALUE__) == LL_RCC_PLLM_DIV_51) \
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200 || ((__VALUE__) == LL_RCC_PLLM_DIV_52) \
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201 || ((__VALUE__) == LL_RCC_PLLM_DIV_53) \
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202 || ((__VALUE__) == LL_RCC_PLLM_DIV_54) \
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203 || ((__VALUE__) == LL_RCC_PLLM_DIV_55) \
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204 || ((__VALUE__) == LL_RCC_PLLM_DIV_56) \
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205 || ((__VALUE__) == LL_RCC_PLLM_DIV_57) \
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206 || ((__VALUE__) == LL_RCC_PLLM_DIV_58) \
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207 || ((__VALUE__) == LL_RCC_PLLM_DIV_59) \
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208 || ((__VALUE__) == LL_RCC_PLLM_DIV_60) \
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209 || ((__VALUE__) == LL_RCC_PLLM_DIV_61) \
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210 || ((__VALUE__) == LL_RCC_PLLM_DIV_62) \
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211 || ((__VALUE__) == LL_RCC_PLLM_DIV_63))
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212
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213 #define IS_LL_UTILS_PLLN_VALUE(__VALUE__) ((RCC_PLLN_MIN_VALUE <= (__VALUE__)) && ((__VALUE__) <= RCC_PLLN_MAX_VALUE))
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214
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215 #define IS_LL_UTILS_PLLP_VALUE(__VALUE__) (((__VALUE__) == LL_RCC_PLLP_DIV_2) \
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216 || ((__VALUE__) == LL_RCC_PLLP_DIV_4) \
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217 || ((__VALUE__) == LL_RCC_PLLP_DIV_6) \
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218 || ((__VALUE__) == LL_RCC_PLLP_DIV_8))
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219
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220 #define IS_LL_UTILS_PLLVCO_INPUT(__VALUE__) ((UTILS_PLLVCO_INPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX))
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221
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222 #define IS_LL_UTILS_PLLVCO_OUTPUT(__VALUE__) ((UTILS_PLLVCO_OUTPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_OUTPUT_MAX))
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223
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224 #if !defined(RCC_MAX_FREQUENCY_SCALE1)
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225 #define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \
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226 ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3))
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227
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228 #elif defined(RCC_MAX_FREQUENCY_SCALE3)
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229 #define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \
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230 (LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \
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231 ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3))
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232
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233 #else
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234 #define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \
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235 ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2))
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236
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237 #endif /* RCC_MAX_FREQUENCY_SCALE1*/
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238 #define IS_LL_UTILS_HSE_BYPASS(__STATE__) (((__STATE__) == LL_UTILS_HSEBYPASS_ON) \
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239 || ((__STATE__) == LL_UTILS_HSEBYPASS_OFF))
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240
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241 #define IS_LL_UTILS_HSE_FREQUENCY(__FREQUENCY__) (((__FREQUENCY__) >= UTILS_HSE_FREQUENCY_MIN) && ((__FREQUENCY__) <= UTILS_HSE_FREQUENCY_MAX))
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242 /**
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243 * @}
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244 */
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245 /* Private function prototypes -----------------------------------------------*/
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246 /** @defgroup UTILS_LL_Private_Functions UTILS Private functions
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247 * @{
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248 */
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249 static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency,
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250 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct);
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251 static ErrorStatus UTILS_SetFlashLatency(uint32_t HCLK_Frequency);
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252 static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
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253 static ErrorStatus UTILS_PLL_IsBusy(void);
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254 /**
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255 * @}
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256 */
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257
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258 /* Exported functions --------------------------------------------------------*/
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259 /** @addtogroup UTILS_LL_Exported_Functions
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260 * @{
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261 */
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262
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263 /** @addtogroup UTILS_LL_EF_DELAY
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264 * @{
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265 */
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266
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267 /**
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268 * @brief This function configures the Cortex-M SysTick source to have 1ms time base.
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269 * @note When a RTOS is used, it is recommended to avoid changing the Systick
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270 * configuration by calling this function, for a delay use rather osDelay RTOS service.
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271 * @param HCLKFrequency HCLK frequency in Hz
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272 * @note HCLK frequency can be calculated thanks to RCC helper macro or function @ref LL_RCC_GetSystemClocksFreq
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273 * @retval None
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274 */
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275 void LL_Init1msTick(uint32_t HCLKFrequency)
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276 {
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277 /* Use frequency provided in argument */
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278 LL_InitTick(HCLKFrequency, 1000U);
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279 }
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280
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281 /**
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282 * @brief This function provides accurate delay (in milliseconds) based
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283 * on SysTick counter flag
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284 * @note When a RTOS is used, it is recommended to avoid using blocking delay
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285 * and use rather osDelay service.
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286 * @note To respect 1ms timebase, user should call @ref LL_Init1msTick function which
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287 * will configure Systick to 1ms
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288 * @param Delay specifies the delay time length, in milliseconds.
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289 * @retval None
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290 */
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291 void LL_mDelay(uint32_t Delay)
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292 {
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293 __IO uint32_t tmp = SysTick->CTRL; /* Clear the COUNTFLAG first */
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294 /* Add this code to indicate that local variable is not used */
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295 ((void)tmp);
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296
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297 /* Add a period to guaranty minimum wait */
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298 if(Delay < LL_MAX_DELAY)
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299 {
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300 Delay++;
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301 }
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302
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303 while (Delay)
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304 {
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305 if((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0U)
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306 {
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307 Delay--;
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308 }
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309 }
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310 }
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311
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312 /**
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313 * @}
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314 */
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315
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316 /** @addtogroup UTILS_EF_SYSTEM
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317 * @brief System Configuration functions
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318 *
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319 @verbatim
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320 ===============================================================================
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321 ##### System Configuration functions #####
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322 ===============================================================================
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323 [..]
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324 System, AHB and APB buses clocks configuration
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325
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326 (+) The maximum frequency of the SYSCLK, HCLK, PCLK1 and PCLK2 is 180000000 Hz.
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327 @endverbatim
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328 @internal
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329 Depending on the device voltage range, the maximum frequency should be
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330 adapted accordingly to the Refenece manual.
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331 @endinternal
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332 * @{
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333 */
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334
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335 /**
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336 * @brief This function sets directly SystemCoreClock CMSIS variable.
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337 * @note Variable can be calculated also through SystemCoreClockUpdate function.
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338 * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
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339 * @retval None
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340 */
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341 void LL_SetSystemCoreClock(uint32_t HCLKFrequency)
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342 {
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343 /* HCLK clock frequency */
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344 SystemCoreClock = HCLKFrequency;
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345 }
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346
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347 /**
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348 * @brief This function configures system clock at maximum frequency with HSI as clock source of the PLL
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349 * @note The application need to ensure that PLL is disabled.
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350 * @note Function is based on the following formula:
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351 * - PLL output frequency = (((HSI frequency / PLLM) * PLLN) / PLLP)
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352 * - PLLM: ensure that the VCO input frequency ranges from @ref RCC_PLLVCO_INPUT_MIN to @ref RCC_PLLVCO_INPUT_MAX (PLLVCO_input = HSI frequency / PLLM)
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353 * - PLLN: ensure that the VCO output frequency is between @ref RCC_PLLVCO_OUTPUT_MIN and @ref RCC_PLLVCO_OUTPUT_MAX (PLLVCO_output = PLLVCO_input * PLLN)
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354 * - PLLP: ensure that max frequency at 180000000 Hz is reach (PLLVCO_output / PLLP)
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355 * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains
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356 * the configuration information for the PLL.
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357 * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains
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358 * the configuration information for the BUS prescalers.
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359 * @retval An ErrorStatus enumeration value:
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360 * - SUCCESS: Max frequency configuration done
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361 * - ERROR: Max frequency configuration not done
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362 */
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363 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
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364 LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
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365 {
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366 ErrorStatus status = SUCCESS;
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367 uint32_t pllfreq = 0U;
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368
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369 /* Check if one of the PLL is enabled */
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370 if(UTILS_PLL_IsBusy() == SUCCESS)
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371 {
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372 /* Calculate the new PLL output frequency */
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373 pllfreq = UTILS_GetPLLOutputFrequency(HSI_VALUE, UTILS_PLLInitStruct);
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374
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375 /* Enable HSI if not enabled */
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376 if(LL_RCC_HSI_IsReady() != 1U)
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377 {
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378 LL_RCC_HSI_Enable();
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379 while (LL_RCC_HSI_IsReady() != 1U)
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380 {
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381 /* Wait for HSI ready */
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382 }
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383 }
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384
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385 /* Configure PLL */
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386 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN,
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387 UTILS_PLLInitStruct->PLLP);
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388
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389 /* Enable PLL and switch system clock to PLL */
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390 status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct);
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391 }
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392 else
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393 {
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394 /* Current PLL configuration cannot be modified */
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395 status = ERROR;
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396 }
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397
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398 return status;
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399 }
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400
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401 /**
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402 * @brief This function configures system clock with HSE as clock source of the PLL
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403 * @note The application need to ensure that PLL is disabled.
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404 * - PLL output frequency = (((HSI frequency / PLLM) * PLLN) / PLLP)
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405 * - PLLM: ensure that the VCO input frequency ranges from @ref RCC_PLLVCO_INPUT_MIN to @ref RCC_PLLVCO_INPUT_MAX (PLLVCO_input = HSI frequency / PLLM)
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406 * - PLLN: ensure that the VCO output frequency is between @ref RCC_PLLVCO_OUTPUT_MIN and @ref RCC_PLLVCO_OUTPUT_MAX (PLLVCO_output = PLLVCO_input * PLLN)
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407 * - PLLP: ensure that max frequency at 180000000 Hz is reach (PLLVCO_output / PLLP)
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408 * @param HSEFrequency Value between Min_Data = 4000000 and Max_Data = 26000000
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409 * @param HSEBypass This parameter can be one of the following values:
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410 * @arg @ref LL_UTILS_HSEBYPASS_ON
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411 * @arg @ref LL_UTILS_HSEBYPASS_OFF
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412 * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains
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413 * the configuration information for the PLL.
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414 * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains
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415 * the configuration information for the BUS prescalers.
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416 * @retval An ErrorStatus enumeration value:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
417 * - SUCCESS: Max frequency configuration done
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
418 * - ERROR: Max frequency configuration not done
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
419 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
420 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
421 LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
422 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
423 ErrorStatus status = SUCCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
424 uint32_t pllfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
425
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
426 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
427 assert_param(IS_LL_UTILS_HSE_FREQUENCY(HSEFrequency));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
428 assert_param(IS_LL_UTILS_HSE_BYPASS(HSEBypass));
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 /* Check if one of the PLL is enabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
431 if(UTILS_PLL_IsBusy() == SUCCESS)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
432 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
433 /* Calculate the new PLL output frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
434 pllfreq = UTILS_GetPLLOutputFrequency(HSEFrequency, UTILS_PLLInitStruct);
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 /* Enable HSE if not enabled */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
437 if(LL_RCC_HSE_IsReady() != 1U)
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 /* Check if need to enable HSE bypass feature or not */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
440 if(HSEBypass == LL_UTILS_HSEBYPASS_ON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
441 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
442 LL_RCC_HSE_EnableBypass();
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 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
445 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
446 LL_RCC_HSE_DisableBypass();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
447 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
448
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
449 /* Enable HSE */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
450 LL_RCC_HSE_Enable();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
451 while (LL_RCC_HSE_IsReady() != 1U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
452 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
453 /* Wait for HSE ready */
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
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
457 /* Configure PLL */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
458 LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
459 UTILS_PLLInitStruct->PLLP);
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 /* Enable PLL and switch system clock to PLL */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
462 status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct);
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 else
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 /* Current PLL configuration cannot be modified */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
467 status = ERROR;
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 return status;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
471 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
472
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
473 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
474 * @}
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 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
478 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
479 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
480
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
481 /** @addtogroup UTILS_LL_Private_Functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
482 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
483 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
484 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
485 * @brief Update number of Flash wait states in line with new frequency and current
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
486 voltage range.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
487 * @note This Function support ONLY devices with supply voltage (voltage range) between 2.7V and 3.6V
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
488 * @param HCLK_Frequency HCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
489 * @retval An ErrorStatus enumeration value:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
490 * - SUCCESS: Latency has been modified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
491 * - ERROR: Latency cannot be modified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
492 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
493 static ErrorStatus UTILS_SetFlashLatency(uint32_t HCLK_Frequency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
494 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
495 ErrorStatus status = SUCCESS;
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 uint32_t latency = LL_FLASH_LATENCY_0; /* default value 0WS */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
498
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
499 /* Frequency cannot be equal to 0 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
500 if(HCLK_Frequency == 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
501 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
502 status = ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
503 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
504 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
505 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
506 if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1)
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 #if defined (UTILS_SCALE1_LATENCY5_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
509 if((HCLK_Frequency > UTILS_SCALE1_LATENCY5_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
510 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
511 latency = LL_FLASH_LATENCY_5;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
512 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
513 #endif /*UTILS_SCALE1_LATENCY5_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
514 #if defined (UTILS_SCALE1_LATENCY4_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
515 if((HCLK_Frequency > UTILS_SCALE1_LATENCY4_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
516 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
517 latency = LL_FLASH_LATENCY_4;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
518 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
519 #endif /* UTILS_SCALE1_LATENCY4_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
520 #if defined (UTILS_SCALE1_LATENCY3_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
521 if((HCLK_Frequency > UTILS_SCALE1_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
522 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
523 latency = LL_FLASH_LATENCY_3;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
524 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
525 #endif /* UTILS_SCALE1_LATENCY3_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
526 #if defined (UTILS_SCALE1_LATENCY2_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
527 if((HCLK_Frequency > UTILS_SCALE1_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0))
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 latency = LL_FLASH_LATENCY_2;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
530 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
531 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
532 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
533 if((HCLK_Frequency > UTILS_SCALE1_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0))
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 latency = LL_FLASH_LATENCY_1;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
536 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
537 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
538 #endif /* UTILS_SCALE1_LATENCY2_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
539 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
540 if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
541 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
542 #if defined (UTILS_SCALE2_LATENCY5_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
543 if((HCLK_Frequency > UTILS_SCALE2_LATENCY5_FREQ)&&(latency == LL_FLASH_LATENCY_0))
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 latency = LL_FLASH_LATENCY_5;
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 #endif /*UTILS_SCALE1_LATENCY5_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
548 #if defined (UTILS_SCALE2_LATENCY4_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
549 if((HCLK_Frequency > UTILS_SCALE2_LATENCY4_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
550 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
551 latency = LL_FLASH_LATENCY_4;
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 #endif /*UTILS_SCALE1_LATENCY4_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
554 #if defined (UTILS_SCALE2_LATENCY3_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
555 if((HCLK_Frequency > UTILS_SCALE2_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0))
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 latency = LL_FLASH_LATENCY_3;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
558 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
559 #endif /*UTILS_SCALE1_LATENCY3_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
560 if((HCLK_Frequency > UTILS_SCALE2_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
561 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
562 latency = LL_FLASH_LATENCY_2;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
563 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
564 else
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 if((HCLK_Frequency > UTILS_SCALE2_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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567 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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568 latency = LL_FLASH_LATENCY_1;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
569 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
570 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
571 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
572 #if defined (LL_PWR_REGU_VOLTAGE_SCALE3)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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573 if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE3)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
574 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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575 #if defined (UTILS_SCALE3_LATENCY3_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
576 if((HCLK_Frequency > UTILS_SCALE3_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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577 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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578 latency = LL_FLASH_LATENCY_3;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
579 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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580 #endif /*UTILS_SCALE1_LATENCY3_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
581 #if defined (UTILS_SCALE3_LATENCY2_FREQ)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
582 if((HCLK_Frequency > UTILS_SCALE3_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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583 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
584 latency = LL_FLASH_LATENCY_2;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
585 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
586 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
587 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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588 if((HCLK_Frequency > UTILS_SCALE3_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0))
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
589 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
590 latency = LL_FLASH_LATENCY_1;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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591 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
592 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
593 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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594 #endif /*UTILS_SCALE1_LATENCY2_FREQ */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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595 #endif /* LL_PWR_REGU_VOLTAGE_SCALE3 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
596
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
597 LL_FLASH_SetLatency(latency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
598
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
599 /* Check that the new number of wait states is taken into account to access the Flash
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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600 memory by reading the FLASH_ACR register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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601 if(LL_FLASH_GetLatency() != latency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
602 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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603 status = ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
604 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
605 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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606 return status;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
607 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
608
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
609 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
610 * @brief Function to check that PLL can be modified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
611 * @param PLL_InputFrequency PLL input frequency (in Hz)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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612 * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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613 * the configuration information for the PLL.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
614 * @retval PLL output frequency (in Hz)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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615 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
616 static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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617 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
618 uint32_t pllfreq = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
619
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
620 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
621 assert_param(IS_LL_UTILS_PLLM_VALUE(UTILS_PLLInitStruct->PLLM));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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622 assert_param(IS_LL_UTILS_PLLN_VALUE(UTILS_PLLInitStruct->PLLN));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
623 assert_param(IS_LL_UTILS_PLLP_VALUE(UTILS_PLLInitStruct->PLLP));
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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parents:
diff changeset
625 /* Check different PLL parameters according to RM */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
626 /* - PLLM: ensure that the VCO input frequency ranges from @ref UTILS_PLLVCO_INPUT_MIN to @ref UTILS_PLLVCO_INPUT_MAX MHz. */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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627 pllfreq = PLL_InputFrequency / (UTILS_PLLInitStruct->PLLM & (RCC_PLLCFGR_PLLM >> RCC_PLLCFGR_PLLM_Pos));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
628 assert_param(IS_LL_UTILS_PLLVCO_INPUT(pllfreq));
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diff changeset
629
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
630 /* - PLLN: ensure that the VCO output frequency is between @ref UTILS_PLLVCO_OUTPUT_MIN and @ref UTILS_PLLVCO_OUTPUT_MAX .*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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631 pllfreq = pllfreq * (UTILS_PLLInitStruct->PLLN & (RCC_PLLCFGR_PLLN >> RCC_PLLCFGR_PLLN_Pos));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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632 assert_param(IS_LL_UTILS_PLLVCO_OUTPUT(pllfreq));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
633
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
634 /* - PLLP: ensure that max frequency at @ref RCC_MAX_FREQUENCY Hz is reached */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
635 pllfreq = pllfreq / (((UTILS_PLLInitStruct->PLLP >> RCC_PLLCFGR_PLLP_Pos) + 1) * 2);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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636 assert_param(IS_LL_UTILS_PLL_FREQUENCY(pllfreq));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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637
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
638 return pllfreq;
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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diff changeset
640
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
641 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
642 * @brief Function to check that PLL can be modified
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
643 * @retval An ErrorStatus enumeration value:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
644 * - SUCCESS: PLL modification can be done
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
645 * - ERROR: PLL is busy
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
646 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
647 static ErrorStatus UTILS_PLL_IsBusy(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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648 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
649 ErrorStatus status = SUCCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
650
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
651 /* Check if PLL is busy*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
652 if(LL_RCC_PLL_IsReady() != 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
653 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
654 /* PLL configuration cannot be modified */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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655 status = ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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656 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
657
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
658 #if defined(RCC_PLLSAI_SUPPORT)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
659 /* Check if PLLSAI is busy*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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660 if(LL_RCC_PLLSAI_IsReady() != 0U)
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 /* PLLSAI1 configuration cannot be modified */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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663 status = ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
664 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
665 #endif /*RCC_PLLSAI_SUPPORT*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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666 #if defined(RCC_PLLI2S_SUPPORT)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
667 /* Check if PLLI2S is busy*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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668 if(LL_RCC_PLLI2S_IsReady() != 0U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
669 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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670 /* PLLI2S configuration cannot be modified */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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671 status = ERROR;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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672 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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673 #endif /*RCC_PLLI2S_SUPPORT*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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674 return status;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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675 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
676
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
677 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
678 * @brief Function to enable PLL and switch system clock to PLL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
679 * @param SYSCLK_Frequency SYSCLK frequency
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
680 * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
681 * the configuration information for the BUS prescalers.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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682 * @retval An ErrorStatus enumeration value:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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683 * - SUCCESS: No problem to switch system to PLL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
684 * - ERROR: Problem to switch system to PLL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
685 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
686 static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
687 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
688 ErrorStatus status = SUCCESS;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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689 uint32_t hclk_frequency = 0U;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
690
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
691 assert_param(IS_LL_UTILS_SYSCLK_DIV(UTILS_ClkInitStruct->AHBCLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
692 assert_param(IS_LL_UTILS_APB1_DIV(UTILS_ClkInitStruct->APB1CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
693 assert_param(IS_LL_UTILS_APB2_DIV(UTILS_ClkInitStruct->APB2CLKDivider));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
694
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
695 /* Calculate HCLK frequency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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696 hclk_frequency = __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, UTILS_ClkInitStruct->AHBCLKDivider);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
697
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
698 /* 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
699 if(SystemCoreClock < hclk_frequency)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
700 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
701 /* Set FLASH latency to highest latency */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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702 status = UTILS_SetFlashLatency(hclk_frequency);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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703 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
parents:
diff changeset
704
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
705 /* Update system clock configuration */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
706 if(status == SUCCESS)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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707 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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708 /* Enable PLL */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
709 LL_RCC_PLL_Enable();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
710 while (LL_RCC_PLL_IsReady() != 1U)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
711 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
Ideenmodellierer
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diff changeset
712 /* Wait for PLL ready */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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713 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
714
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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715 /* Sysclk activation on the main PLL */
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716 LL_RCC_SetAHBPrescaler(UTILS_ClkInitStruct->AHBCLKDivider);
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717 LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
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718 while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
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719 {
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720 /* Wait for system clock switch to PLL */
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721 }
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722
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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723 /* Set APB1 & APB2 prescaler*/
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724 LL_RCC_SetAPB1Prescaler(UTILS_ClkInitStruct->APB1CLKDivider);
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725 LL_RCC_SetAPB2Prescaler(UTILS_ClkInitStruct->APB2CLKDivider);
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726 }
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727
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728 /* Decreasing the number of wait states because of lower CPU frequency */
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729 if(SystemCoreClock > hclk_frequency)
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730 {
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731 /* Set FLASH latency to lowest latency */
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732 status = UTILS_SetFlashLatency(hclk_frequency);
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733 }
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734
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735 /* Update SystemCoreClock variable */
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736 if(status == SUCCESS)
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737 {
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738 LL_SetSystemCoreClock(hclk_frequency);
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739 }
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740
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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741 return status;
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742 }
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743
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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744 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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745 * @}
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746 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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747
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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748 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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749 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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750 */
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751
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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752 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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753 * @}
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754 */
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755
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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756 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/