C++ HAL_RCC_OscConfig函数代码示例

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› C++›C++教程

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了C++中HAL_RCC_OscConfig函数的典型用法代码示例。如果您正苦于以下问题：C++ HAL_RCC_OscConfig函数的具体用法？C++ HAL_RCC_OscConfig怎么用？C++ HAL_RCC_OscConfig使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了HAL_RCC_OscConfig函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: SystemClock_Config

/** System Clock Configuration
*/
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
//  RCC_OscInitStruct.OscillatorType |= RCC_OSCILLATORTYPE_LSI;  // uncomment when LSI clock is used for RTC
//  RCC_OscInitStruct.LSIState = RCC_LSI_ON;        // uncomment when LSI Clock is used for RTC
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 5;
  RCC_OscInitStruct.PLL.PLLN = 210;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
                              |RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);

#ifdef USE_STM32F4_RTC
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV8;  // Comment this line if you want to use LSI clock
//  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;     // Remove comment if you want to use LSI clock
  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
#endif /* USE_STM32F4_RTC */
}

开发者ID:glocklueng，项目名称:STM32F4-Dev，代码行数:38，代码来源:main.c

示例2: SystemClock_Config

/** System Clock Configuration */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType 	= RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState 			 	= RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState 		= RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource 	= RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM 				= 8;
  RCC_OscInitStruct.PLL.PLLN 				= 336;
  RCC_OscInitStruct.PLL.PLLP 				= RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ 				= 7;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK){Error_Handler(RCC_CONFIG_FAIL);};

  RCC_ClkInitStruct.ClockType 			= RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource 		= RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider 	= RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider 	= RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider 	= RCC_HCLK_DIV2;
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5)!= HAL_OK){Error_Handler(RCC_CONFIG_FAIL);};
	
	/*Configures SysTick to provide 500Hz interval interrupts. (Read ADC once in two times)*/
  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/500);

	/* This function sets the source clock for the internal SysTick Timer to be the maximum,
	   in our case, HCLK is now 168MHz*/
  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

开发者ID:Lone-L，项目名称:MicroP_Labs，代码行数:37，代码来源:main.c

示例3: SystemClock_Config

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);

  __HAL_RCC_AFIO_CLK_ENABLE();

}

开发者ID:AlexanderHazard，项目名称:lcd_driver，代码行数:26，代码来源:main.c

示例4: SystemClock_Config

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_PeriphCLKInitTypeDef PeriphClkInit;

  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = 0;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_5;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
  PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

开发者ID:doebbertt，项目名称:mastering-stm32，代码行数:38，代码来源:main-ex1.c

示例5: SystemClock_Config

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 8;
  RCC_OscInitStruct.PLL.PLLN = 100;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
                              |RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV4;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

开发者ID:cjackie，项目名称:Quadcopter-Flight-Controller，代码行数:38，代码来源:main.c

示例6: PLL

/*
System Clock source            = PLL (HSE)
SYSCLK(Hz)                     = 48000000
HCLK(Hz)                       = 48000000
AHB Prescaler                  = 1
APB1 Prescaler                 = 1
HSE Frequency(Hz)              = 8000000
PREDIV                         = 2
PLLMUL                         = 12
Flash Latency(WS)              = 1
*/
void HAL_MspInit( void )
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;
  HAL_StatusTypeDef state = HAL_OK;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PREDIV     = RCC_PREDIV_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL     = RCC_PLL_MUL12;
  state = HAL_RCC_OscConfig(&RCC_OscInitStruct);
  if(state != HAL_OK)
    while(1) { ; }

  RCC_ClkInitStruct.ClockType      = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1);
  RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  state = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
  if(state != HAL_OK)
    while(1) { ; }
}

开发者ID:dongruibin，项目名称:MungBeanSprout，代码行数:35，代码来源:stm32f0_msp.c

示例7: SystemClock_Config

/**
  * @brief  System Clock Configuration
  *         The system Clock is configured as follow : 
  *            System Clock source            = PLL (HSE)
  *            SYSCLK(Hz)                     = 180000000
  *            HCLK(Hz)                       = 180000000
  *            AHB Prescaler                  = 1
  *            APB1 Prescaler                 = 4
  *            APB2 Prescaler                 = 2
  *            HSE Frequency(Hz)              = 25000000
  *            PLL_M                          = 25
  *            PLL_N                          = 360
  *            PLL_P                          = 2
  *            PLL_Q                          = 7
  *            VDD(V)                         = 3.3
  *            Main regulator output voltage  = Scale1 mode
  *            Flash Latency(WS)              = 5
  * @param  None
  * @retval None
  */
static void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;

  /* Enable Power Control clock */
  __HAL_RCC_PWR_CLK_ENABLE();

  /* The voltage scaling allows optimizing the power consumption when the device is 
     clocked below the maximum system frequency, to update the voltage scaling value 
     regarding system frequency refer to product datasheet.  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  
  /* Enable HSE Oscillator and activate PLL with HSE as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 25;
  RCC_OscInitStruct.PLL.PLLN = 360;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 7;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
  /* Activate the Over-Drive mode */
  HAL_PWREx_EnableOverDrive();
 
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 
  clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;  
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;  
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
}

开发者ID:451506709，项目名称:automated_machine，代码行数:56，代码来源:main.c

示例8: HAL_RTC_MspInit

/**
  * @brief RTC MSP Initialization
  *        This function configures the hardware resources used in this example
  * @param hrtc: RTC handle pointer
  *
  * @note  Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
  *        the RTC clock source; in this case the Backup domain will be reset in
  *        order to modify the RTC Clock source, as consequence RTC registers (including
  *        the backup registers) and RCC_BDCR register are set to their reset values.
  *
  * @retval None
  */
void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
{
  RCC_OscInitTypeDef        RCC_OscInitStruct;
  RCC_PeriphCLKInitTypeDef  PeriphClkInitStruct;

  /*##-1- Enables the PWR Clock and Enables access to the backup domain ###################################*/
  /* To change the source clock of the RTC feature (LSE, LSI), You have to:
     - Enable the power clock using __HAL_RCC_PWR_CLK_ENABLE()
     - Enable write access using HAL_PWR_EnableBkUpAccess() function before to
       configure the RTC clock source (to be done once after reset).
     - Reset the Back up Domain using __HAL_RCC_BACKUPRESET_FORCE() and
       __HAL_RCC_BACKUPRESET_RELEASE().
     - Configure the needed RTc clock source */
  __HAL_RCC_PWR_CLK_ENABLE();
  HAL_PWR_EnableBkUpAccess();

  /*##-2- Configure LSE as RTC clock source ###################################*/
  RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSI;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
  if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /*##-3- Enable RTC peripheral Clocks #######################################*/
  /* Enable RTC Clock */
  __HAL_RCC_RTC_ENABLE();
}

开发者ID:Joe-Merten，项目名称:Stm32-Tools-Evaluation，代码行数:48，代码来源:stm32f4xx_hal_msp.c

示例9: rtc_free

void rtc_free(void) {
    // Enable Power clock
    __PWR_CLK_ENABLE();

    // Enable access to Backup domain
    HAL_PWR_EnableBkUpAccess();

    // Reset Backup domain
    __HAL_RCC_BACKUPRESET_FORCE();
    __HAL_RCC_BACKUPRESET_RELEASE();

    // Disable access to Backup domain
    HAL_PWR_DisableBkUpAccess();

    // Disable LSI and LSE clocks
    RCC_OscInitTypeDef RCC_OscInitStruct;
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
    RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_NONE;
    RCC_OscInitStruct.LSIState       = RCC_LSI_OFF;
    RCC_OscInitStruct.LSEState       = RCC_LSE_OFF;
    HAL_RCC_OscConfig(&RCC_OscInitStruct);

    rtc_inited = 0;
}

开发者ID:AllenMcAfee，项目名称:Smoothie2，代码行数:24，代码来源:rtc_api.c

示例10: SetSysClock

/*
Set SYSCLK=84MHZ
 */
void SetSysClock(void)
{

    RCC_OscInitTypeDef RCC_OscInitStruct;
    RCC_ClkInitTypeDef RCC_ClkInitStruct;

    __HAL_RCC_PWR_CLK_ENABLE();

    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);

    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
#ifdef USE_DEBUG_8MHz_XTAL
    RCC_OscInitStruct.PLL.PLLM = 8;
#else
    RCC_OscInitStruct.PLL.PLLM = 12;
#endif
    RCC_OscInitStruct.PLL.PLLN = 336;
    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
    RCC_OscInitStruct.PLL.PLLQ = 7;
    HAL_RCC_OscConfig(&RCC_OscInitStruct);


    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
                                  | RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);

    // HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_SYSCLK, RCC_MCODIV_3);

}

开发者ID:toyowata，项目名称:mbed，代码行数:39，代码来源:system_clock.c

示例11: SystemClock_Config

/**
 * @brief  System Clock Configuration
 * @param  None
 * @retval None
 */
void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  
  /* MSI is enabled after System reset, activate PLL with MSI as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_6;
  RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 40;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLP = 7;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    /* Initialization Error */
    Error_Handler();
  }
  
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
     clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    /* Initialization Error */
    Error_Handler();
  }
}

开发者ID:asebak，项目名称:IMU，代码行数:41，代码来源:cube_hal_l4.c

示例12: SystemClock_Config

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;

  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSE;  //add RCC_OSCILLATORTYPE_LSI for LSI Clock
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;        // Added for LSI Clock
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 8;
  RCC_OscInitStruct.PLL.PLLN = 336;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 7;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
                              |RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);

  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
//  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV8;  //Comment this line if you want to use LSI clock
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;     // Remove comment if you want to use LSI clock
  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);

}

开发者ID:glocklueng，项目名称:STM32F4-Dev，代码行数:38，代码来源:main.c

示例13: PLL

/*
System Clock source            = PLL (HSE)
SYSCLK(Hz)                     = 72000000
HCLK(Hz)                       = 72000000
AHB Prescaler                  = 1
APB1 Prescaler                 = 2
APB2 Prescaler                 = 1
HSE Frequency(Hz)              = 8000000 // HSE_VALUE
HSE PREDIV                     = 1
PLLMUL                         = RCC_PLL_MUL9 (9)
Flash Latency(WS)              = 2
*/
void HAL_MspInit( void )
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;

  /* Enable HSE Oscillator and activate PLL with HSE as source */
  RCC_OscInitStruct.OscillatorType  = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState        = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue  = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.PLL.PLLState    = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource   = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL      = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    while (1) { ; }

  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
  RCC_ClkInitStruct.ClockType       = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource    = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider   = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider  = RCC_HCLK_DIV2;  
  RCC_ClkInitStruct.APB2CLKDivider  = RCC_HCLK_DIV1;
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
    while(1) { ; }
}

开发者ID:KitSprout，项目名称:RedBeanSprout，代码行数:36，代码来源:stm32f3_msp.c

示例14: HAL_RTC_MspInit

/**
  * @brief RTC MSP Initialization 
  *        This function configures the hardware resources used in this example
  * @param hrtc: RTC handle pointer
  * 
  * @note  Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select 
  *        the RTC clock source; in this case the Backup domain will be reset in  
  *        order to modify the RTC Clock source, as consequence RTC registers (including 
  *        the backup registers) and RCC_BDCR register are set to their reset values.
  *             
  * @retval None
  */
void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
{
  RCC_OscInitTypeDef        RCC_OscInitStruct;
  RCC_PeriphCLKInitTypeDef  PeriphClkInitStruct;
  
  /*##-1- Enables the PWR Clock and Enables access to the backup domain ###################################*/
  /* To change the source clock of the RTC feature (LSE, LSI), You have to:
     - Enable the power clock using __HAL_RCC_PWR_CLK_ENABLE()
     - Enable write access using HAL_PWR_EnableBkUpAccess() function before to 
       configure the RTC clock source (to be done once after reset).
     - Reset the Back up Domain using __HAL_RCC_BACKUPRESET_FORCE() and 
       __HAL_RCC_BACKUPRESET_RELEASE().
     - Configure the needed RTC clock source */
  __HAL_RCC_PWR_CLK_ENABLE();
  HAL_PWR_EnableBkUpAccess();

  /*##-2- Configure LSE/LSI as RTC clock source ###############################*/
#ifdef RTC_CLOCK_SOURCE_LSE
  
  RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  { 
    Error_Handler();
  }
  
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
  if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  { 
    Error_Handler();
  }
#elif defined (RTC_CLOCK_SOURCE_LSI)  
  RCC_OscInitStruct.OscillatorType =  RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  { 
    Error_Handler();
  }

  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
  if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  { 
    Error_Handler();
  }
#else
#error Please select the RTC Clock source inside the main.h file
#endif /*RTC_CLOCK_SOURCE_LSE*/
  
  /*##-3- Enable RTC peripheral Clocks #######################################*/ 
  /* Enable RTC Clock */ 
  __HAL_RCC_RTC_ENABLE(); 
  
  /*##-4- Configure the NVIC for RTC Tamper ###################################*/
  HAL_NVIC_SetPriority(TAMP_STAMP_IRQn, 0x0F, 0);
  HAL_NVIC_EnableIRQ(TAMP_STAMP_IRQn);
}

开发者ID:451506709，项目名称:automated_machine，代码行数:74，代码来源:stm32f4xx_hal_msp.c

示例15: SystemClock_Config

/**
  * @brief  System Clock Configuration
  *         The system Clock is configured as follow:
  *  
  *            HSI48 used as clock source (USE_CLKSOURCE_CRSHSI48 defined in main.h)
  *              - System Clock source            = HSI48
  *              - SYSCLK(Hz)                     = 48000000
  *              - HCLK(Hz)                       = 48000000
  *              - AHB Prescaler                  = 1
  *              - APB1 Prescaler                 = 1
  *              - Flash Latency(WS)              = 1
  *
  *              - PLL(HSE) used as clock source (USE_CLKSOURCE_PLL defined in main.h)
  *              - System Clock source            = PLL (HSE)
  *              - SYSCLK(Hz)                     = 48000000
  *              - HCLK(Hz)                       = 48000000
  *              - AHB Prescaler                  = 1
  *              - APB1 Prescaler                 = 1
  *              - HSE Frequency(Hz)              = 8000000
  *              - PREDIV                         = 1
  *              - PLLMUL                         = 6
  *              - Flash Latency(WS)              = 1
  *
  * @param  None
  * @retval None
  */
static void SystemClock_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;
  
#if defined (USE_CLKSOURCE_CRSHSI48)
  static RCC_CRSInitTypeDef RCC_CRSInitStruct;
#endif
  
#if defined (USE_CLKSOURCE_CRSHSI48)
  
  /* Enable HSI48 Oscillator to be used as system clock source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
  HAL_RCC_OscConfig(&RCC_OscInitStruct); 
  
  /* Select HSI48 as system clock source and configure the HCLK and PCLK1 
  clock dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;  
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
  
  /*Configure the clock recovery system (CRS)**********************************/
  
  /*Enable CRS Clock*/
  __CRS_CLK_ENABLE(); 
  
  /* Default Synchro Signal division factor (not divided) */
  RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
  
  /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
  RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
  
  /* HSI48 is synchronized with USB SOF at 1KHz rate */
  RCC_CRSInitStruct.ReloadValue =  __HAL_RCC_CRS_CALCULATE_RELOADVALUE(48000000, 1000);
  RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
  
  /* Set the TRIM[5:0] to the default value*/
  RCC_CRSInitStruct.HSI48CalibrationValue = 0x20; 
  
  /* Start automatic synchronization */ 
  HAL_RCCEx_CRSConfig (&RCC_CRSInitStruct);
  
#elif defined (USE_CLKSOURCE_PLL)
  
  /* Enable HSE Oscillator and activate PLL with HSE as source
  PLLCLK = (8 * 6) / 1) = 48 MHz */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  HAL_RCC_OscConfig(&RCC_OscInitStruct); 
  
  /* Select PLL as system clock source and configure the HCLK and PCLK1 
  clock dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;  
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
  
#endif /*USE_CLKSOURCE_CRSHSI48*/
}

开发者ID:GreyCardinalRus，项目名称:stm32-cube，代码行数:92，代码来源:main.c

示例16: SystemClockHSE_Config

/**
  * @brief  System Clock Configuration
  *         The system Clock is configured as follow : 
  *            System Clock source            = PLL (HSE_CRYSTAL or HSE_BYPASS) 
  *            SYSCLK(Hz)                     = 180000000
  *            HCLK(Hz)                       = 180000000
  *            AHB Prescaler                  = 1
  *            APB1 Prescaler                 = 4
  *            APB2 Prescaler                 = 2
  *            HSE Frequency(Hz)              = 8000000
  *            PLL_M                          = 8
  *            PLL_N                          = 360
  *            PLL_P                          = 2
  *            PLL_Q                          = 7
  *            VDD(V)                         = 3.3
  *            Main regulator output voltage  = Scale1 mode
  *            Flash Latency(WS)              = 5
  * @param  None
  * @retval None
  */
void SystemClockHSE_Config(void)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;
  HAL_StatusTypeDef ret = HAL_OK;
    
  /* Enable Power Control clock */
  __HAL_RCC_PWR_CLK_ENABLE();
  
  /* The voltage scaling allows optimizing the power consumption when the device is 
     clocked below the maximum system frequency, to update the voltage scaling value 
     regarding system frequency refer to product datasheet.  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  /* -1- Select HSI as system clock source to allow modification of the PLL configuration */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    Error_Handler();
  }
  
  /* -2- Enable HSE Oscillator, select it as PLL source and finally activate the PLL */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  
#ifdef HSE_CRYSTAL  
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
#elif defined (HSE_BYPASS)
  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
#endif /* HSE_CRYSTAL */
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 8;
  RCC_OscInitStruct.PLL.PLLN = 360;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 7;
  RCC_OscInitStruct.PLL.PLLR = 6;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    /* Initialization Error */
    Error_Handler();
  }
  
   /* Activate the OverDrive to reach the 180 MHz Frequency */  
  ret = HAL_PWREx_EnableOverDrive();
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 
     clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;  
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;  
  if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    Error_Handler();
  }
  
  /* -4- Optional: Disable HSI Oscillator (if the HSI is no more needed by the application) */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    /* Initialization Error */
    Error_Handler();
  }
}

开发者ID:Lembed，项目名称:STM32CubeF4-mirrors，代码行数:91，代码来源:main.c

示例17: attribute

void __attribute__((weak)) SystemClock_Config(void) //TODO: rewrite in order to sysinit.c
{
  __PWR_CLK_ENABLE();

  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  RCC_OscInitTypeDef RCC_OscInitStruct;

#if defined(HSE_VALUE) && (HSE_VALUE != 0)
  // Enable HSE Oscillator and activate PLL with HSE as source.
  // This is tuned for STM32F4-DISCOVERY; update it for your board.
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  // This assumes the HSE_VALUE is a multiple of 1 MHz. If this is not
  // your case, you have to recompute these PLL constants.
  RCC_OscInitStruct.PLL.PLLM = (HSE_VALUE/1000000u);
#else
  // Use HSI and activate PLL with HSI as source.
  // This is tuned for NUCLEO-F411; update it for your board.
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  // 16 is the average calibration value, adjust for your own board.
  RCC_OscInitStruct.HSICalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  // This assumes the HSI_VALUE is a multiple of 1 MHz. If this is not
  // your case, you have to recompute these PLL constants.
  RCC_OscInitStruct.PLL.PLLM = (HSI_VALUE/1000000u);
#endif

  RCC_OscInitStruct.PLL.PLLN = 336;
#if defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE)
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4; /* 84 MHz */
#elif defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; /* 168 MHz */
#elif defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; /* 168 MHz */
#elif defined(STM32F446xx)
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; /* 168 MHz */
#else
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4; /* 84 MHz, conservative */
#endif
  RCC_OscInitStruct.PLL.PLLQ = 7; /* To make USB work. */
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  // Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
  // clocks dividers
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK
      | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
#if defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE)
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
#else
  // This is expected to work for most large cores.
  // Check and update it for your own configuration.
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
#endif

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
}

开发者ID:legath，项目名称:uberdashboard-src，代码行数:70，代码来源:init_hw.c

示例18: SystemClock_Config

  /**
  * @brief  System Clock Configuration
  *         The system Clock is configured as follow :
  *            System Clock source            = PLL (HSE or HSI)
  *            SYSCLK(Hz)                     = XPLL
  *            HCLK(Hz)                       = XPLL
  *            AHB Prescaler                  = 1
  *            APB1 Prescaler                 = 4
  *            APB2 Prescaler                 = 2
  *            HSE Frequency(Hz)              = XHSI
  *            PLL_M                          = 8
  *            PLL_N                          = XPLL * 2
  *            PLL_P                          = 2
  *            PLL_Q                          = 7
  *            PLL_R                          = 6
  *            VDD(V)                         = 3.3
  *            Main regulator output voltage  = Scale1 mode
  *            Flash Latency(WS)              = 7
  * @param  None
  * @retval None
  */
static void SystemClock_Config(unsigned long int_osc_freq, unsigned long ext_osc_freq, unsigned long core_freq)
{
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  memset(&RCC_ClkInitStruct, 0, sizeof(RCC_ClkInitTypeDef));
  RCC_OscInitTypeDef RCC_OscInitStruct;
  memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitTypeDef));
  HAL_StatusTypeDef ret = HAL_OK;

  /* Enable Power Control clock */
	__HAL_RCC_PWR_CLK_ENABLE();

  /* The voltage scaling allows optimizing the power consumption when the device is
     clocked below the maximum system frequency, to update the voltage scaling value
     regarding system frequency refer to product datasheet.  */
	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  /* Enable HSE Oscillator and activate PLL with HSE as source */
	if(EXTERNAL_CLOCK_VALUE == 0)
	{
		if(ext_osc_freq == 0)
		{
			RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
			RCC_OscInitStruct.HSIState = RCC_HSI_ON;
			RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
			RCC_OscInitStruct.PLL.PLLM = int_osc_freq /1000000;
		}
		else
		{
			RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
			RCC_OscInitStruct.HSEState = RCC_HSE_ON;
			RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
#if defined(USE_STM32469I_DISCO_REVA)
			RCC_OscInitStruct.PLL.PLLM = 25;
#else
			RCC_OscInitStruct.PLL.PLLM = ext_osc_freq /1000000;
#endif /* USE_STM32469I_DISCO_REVA */
		}
	}
	else
	{
		RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
		RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
		RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
		RCC_OscInitStruct.PLL.PLLM = EXTERNAL_CLOCK_VALUE /1000000;
	}
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLN = (core_freq * 2) / 1000000;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 9;
  RCC_OscInitStruct.PLL.PLLR = 7;

  ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }

//#if defined(STM32F469xx) || defined(STM32F479xx)
  /* Activate the OverDrive to reach the 180 MHz Frequency */
  ret = HAL_PWREx_EnableOverDrive();
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
//#endif

  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7);
  if(ret != HAL_OK)
  {
    while(1) { ; }
  }
  PLL_REF_CLK =	RCC_OscInitStruct.PLL.PLLM * 1000000;
//.........这里部分代码省略.........

开发者ID:MorgothCreator，项目名称:mSdk，代码行数:101，代码来源:core_init.c

示例19: TM_RCC_InitSystem

TM_RCC_Result_t TM_RCC_InitSystem(void) {
	RCC_ClkInitTypeDef RCC_ClkInitStruct;
	RCC_OscInitTypeDef RCC_OscInitStruct;

#if defined(STM32F7xx)
	/* Invalidate I-Cache : ICIALLU register */
	SCB_InvalidateICache();

	/* Enable branch prediction */
	SCB->CCR |= (1 <<18);
	__DSB();

	/* Enable I-Cache */
	SCB_EnableICache();

	/* Invalidate I-Cache */
	SCB_InvalidateDCache();
	
	/* Enable D-Cache */
	SCB_EnableDCache();
#endif
	
	/* Enable Power Control clock */
	__HAL_RCC_PWR_CLK_ENABLE();

#if !defined(STM32F0xx)
	/* Set voltage scaling */
	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
#endif
	
	/* Enable HSE Oscillator and activate PLL with HSE as source */
	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE;
	
	/* Select proper PLL input clock */
	if (RCC_OSCILLATORTYPE == RCC_OSCILLATORTYPE_HSE) {	
		RCC_OscInitStruct.HSEState = RCC_HSE_ON;
		RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
		RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
#if defined(STM32F0xx)
		RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
		RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
#endif
	} else {
		RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
		RCC_OscInitStruct.HSIState = RCC_HSI_ON;
		RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
#if defined(STM32F0xx)
		RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
		RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
#endif
	}
	
	/* Set PLL parameters */
	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
	
#if !defined(STM32F0xx)
	RCC_OscInitStruct.PLL.PLLM = RCC_PLLM;
	RCC_OscInitStruct.PLL.PLLN = RCC_PLLN;
	RCC_OscInitStruct.PLL.PLLP = RCC_PLLP;
	RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ;
#endif
	
#if defined(STM32F446xx)
#if defined(RCC_PLLR)
	RCC_OscInitStruct.PLL.PLLR = RCC_PLLR;
#else
	RCC_OscInitStruct.PLL.PLLR = 7;
#endif
#endif
	
	/* Try to init */
	if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
		return TM_RCC_Result_Error;
	}

#if defined(STM32F427xx) ||