1 | MHZ_4
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2 | /**
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3 | * @brief System Clock Configuration
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4 | * @retval None
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5 | */
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6 | void SystemClock_Config(void)
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7 | {
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8 | RCC_OscInitTypeDef RCC_OscInitStruct;
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9 | RCC_ClkInitTypeDef RCC_ClkInitStruct;
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10 |
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11 | /**Initializes the CPU, AHB and APB busses clocks
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12 | */
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13 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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14 | RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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15 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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16 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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17 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
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18 | RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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19 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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20 | {
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21 | _Error_Handler(__FILE__, __LINE__);
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22 | }
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23 |
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24 | /**Initializes the CPU, AHB and APB busses clocks
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25 | */
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26 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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27 | |RCC_CLOCKTYPE_PCLK1;
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28 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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29 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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30 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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31 |
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32 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
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33 | {
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34 | _Error_Handler(__FILE__, __LINE__);
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35 | }
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36 |
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37 | /**Configure the Systick interrupt time
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38 | */
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39 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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40 |
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41 | /**Configure the Systick
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42 | */
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43 | HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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44 |
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45 | /* SysTick_IRQn interrupt configuration */
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46 | HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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47 | }
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48 |
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49 | INTERN
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50 |
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51 | void SystemClock_Config(void)
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52 | {
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53 |
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54 | RCC_OscInitTypeDef RCC_OscInitStruct;
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55 | RCC_ClkInitTypeDef RCC_ClkInitStruct;
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56 | RCC_PeriphCLKInitTypeDef PeriphClkInit;
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57 |
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58 | /**Initializes the CPU, AHB and APB busses clocks
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59 | */
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60 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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61 | RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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62 | RCC_OscInitStruct.HSICalibrationValue = 16;
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63 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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64 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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65 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
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66 | RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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67 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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68 | {
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69 | _Error_Handler(__FILE__, __LINE__);
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70 | }
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71 |
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72 | /**Initializes the CPU, AHB and APB busses clocks
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73 | */
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74 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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75 | |RCC_CLOCKTYPE_PCLK1;
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76 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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77 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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78 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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79 |
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80 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
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81 | {
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82 | _Error_Handler(__FILE__, __LINE__);
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83 | }
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84 |
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85 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
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86 | PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
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87 | if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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88 | {
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89 | _Error_Handler(__FILE__, __LINE__);
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90 | }
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91 |
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92 | /**Configure the Systick interrupt time
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93 | */
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94 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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95 |
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96 | /**Configure the Systick
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97 | */
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98 | HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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99 |
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100 | /* SysTick_IRQn interrupt configuration */
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101 | HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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102 | }
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103 | MHZ_8
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104 |
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105 | void SystemClock_Config(void)
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106 | {
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107 |
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108 | RCC_OscInitTypeDef RCC_OscInitStruct;
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109 | RCC_ClkInitTypeDef RCC_ClkInitStruct;
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110 | RCC_PeriphCLKInitTypeDef PeriphClkInit;
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111 |
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112 | /**Initializes the CPU, AHB and APB busses clocks
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113 | */
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114 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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115 | RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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116 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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117 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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118 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
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119 | RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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120 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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121 | {
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122 | _Error_Handler(__FILE__, __LINE__);
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123 | }
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124 |
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125 | /**Initializes the CPU, AHB and APB busses clocks
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126 | */
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127 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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128 | |RCC_CLOCKTYPE_PCLK1;
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129 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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130 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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131 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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132 |
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133 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
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134 | {
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135 | _Error_Handler(__FILE__, __LINE__);
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136 | }
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137 |
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138 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
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139 | PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
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140 | if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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141 | {
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142 | _Error_Handler(__FILE__, __LINE__);
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143 | }
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144 |
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145 | /**Configure the Systick interrupt time
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146 | */
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147 | HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
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148 |
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149 | /**Configure the Systick
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150 | */
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151 | HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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152 |
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153 | /* SysTick_IRQn interrupt configuration */
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154 | HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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155 | }
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156 |
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157 | #endif
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