[STM32H7] 【STM32H745I-DISCO试用】cubeide开发环境验证

static void SystemClock_Config(void)

{

  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitTypeDef RCC_OscInitStruct;

  HAL_StatusTypeDef ret = HAL_OK;



  /* 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);



  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}

  

  /* Enable HSE Oscillator and activate PLL with HSE as source */

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_ON;

  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;

  RCC_OscInitStruct.CSIState = RCC_CSI_OFF;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;



  RCC_OscInitStruct.PLL.PLLM = 5;

  RCC_OscInitStruct.PLL.PLLN = 160;

  RCC_OscInitStruct.PLL.PLLFRACN = 0;

  RCC_OscInitStruct.PLL.PLLP = 2;

  RCC_OscInitStruct.PLL.PLLR = 2;

  RCC_OscInitStruct.PLL.PLLQ = 4;



  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;

  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;

  ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);

  if(ret != HAL_OK)

  {

    Error_Handler();

  }

  

/* Select PLL as system clock source and configure  bus clocks dividers */

  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_D1PCLK1 | RCC_CLOCKTYPE_PCLK1 | \

                                 RCC_CLOCKTYPE_PCLK2  | RCC_CLOCKTYPE_D3PCLK1);



  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;

  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;  

  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2; 

  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2; 

  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2; 

  ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);

  if(ret != HAL_OK)

  {

    Error_Handler();

  }

  

  /*

  Note : The activation of the I/O Compensation Cell is recommended with communication  interfaces

          (GPIO, SPI, FMC, QSPI ...)  when  operating at  high frequencies(please refer to product datasheet)       

          The I/O Compensation Cell activation  procedure requires :

        - The activation of the CSI clock

        - The activation of the SYSCFG clock

        - Enabling the I/O Compensation Cell : setting bit[0] of register SYSCFG_CCCSR

  

          To do this please uncomment the following code 

*/

 

  /*  

  __HAL_RCC_CSI_ENABLE() ;

  

  __HAL_RCC_SYSCFG_CLK_ENABLE() ;

  

  HAL_EnableCompensationCell();

  */  

}

/**

  * [url=home.php?mod=space&uid=247401]@brief[/url]  Configures EXTI lines 15 to 10 (connected to PC.13 pin) in interrupt mode

  * @param  None

  * @retval None

  */

static void EXTI15_10_IRQHandler_Config(void)

{

  GPIO_InitTypeDef   GPIO_InitStructure;

  

  /* Enable GPIOC clock */

  __HAL_RCC_GPIOC_CLK_ENABLE();

  

  /* Configure PC.13 pin as the EXTI input event line in interrupt mode for both CPU1 and CPU2*/

  GPIO_InitStructure.Mode = GPIO_MODE_IT_RISING;    /* current CPU (CM7) config in IT rising */

  GPIO_InitStructure.Pull = GPIO_NOPULL;

  GPIO_InitStructure.Pin = GPIO_PIN_13;

  HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);

  

  /* Enable and set EXTI lines 15 to 10 Interrupt to the lowest priority */

  HAL_NVIC_SetPriority(EXTI15_10_IRQn, 2, 0);

  HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);

  

  /* Configure the second CPU (CM4) EXTI line for IT*/

  HAL_EXTI_D2_EventInputConfig(EXTI_LINE13 , EXTI_MODE_IT,  ENABLE);

}

#define LED1_GPIO_PORT                   GPIOJ

#define LED1_PIN                         GPIO_PIN_2



#define LED2_GPIO_PORT                   GPIOI

#define LED2_PIN                         GPIO_PIN_13

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)

{

  

  if (GPIO_Pin == GPIO_PIN_13)

  {

    /* Toggle LED1 */

    BSP_LED_Toggle(LED1);

  }

}

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)

{  

  if (GPIO_Pin == GPIO_PIN_13)

  {

    /* Toggle LED2 */

    BSP_LED_Toggle(LED2);

  }

}