1 | /**
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2 | * @brief System Clock Configuration
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3 | * @retval None
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4 | */
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5 | void SystemClock_Config(void)
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6 | {
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7 | RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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8 | RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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9 |
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10 | /** Configure the main internal regulator output voltage
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11 | */
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12 | __HAL_RCC_PWR_CLK_ENABLE();
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13 | __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
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14 | /** Initializes the RCC Oscillators according to the specified parameters
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15 | * in the RCC_OscInitTypeDef structure.
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16 | */
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17 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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18 | RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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19 | RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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20 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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21 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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22 | RCC_OscInitStruct.PLL.PLLM = 16;
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23 | RCC_OscInitStruct.PLL.PLLN = 192;
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24 | RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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25 | RCC_OscInitStruct.PLL.PLLQ = 4;
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26 | RCC_OscInitStruct.PLL.PLLR = 2;
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27 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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28 | {
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29 | Error_Handler();
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30 | }
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31 | /** Initializes the CPU, AHB and APB buses clocks
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32 | */
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33 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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34 | |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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35 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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36 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV4;
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37 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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38 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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39 |
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40 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
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41 | {
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42 | Error_Handler();
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43 | }
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44 | }
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45 |
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46 | /**
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47 | * @brief GPIO Initialization Function
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48 | * @param None
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49 | * @retval None
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50 | */
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