/nucleo-f103RB/src/ch7/main-ex1.c

/**

 ******************************************************************************

 * File Name          : main.c

 * Description        : Main program body

 ******************************************************************************

 *

 * COPYRIGHT(c) 2015 Carmine Noviello

 *

 * Redistribution and use in source and binary forms, with or without modification,

 * are permitted provided that the following conditions are met:

 *   1. Redistributions of source code must retain the above copyright notice,

 *      this list of conditions and the following disclaimer.

 *   2. Redistributions in binary form must reproduce the above copyright notice,

 *      this list of conditions and the following disclaimer in the documentation

 *      and/or other materials provided with the distribution.

 *   3. Neither the name of STMicroelectronics nor the names of its contributors

 *      may be used to endorse or promote products derived from this software

 *      without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 ******************************************************************************

 */

/* Includes ------------------------------------------------------------------*/

#include "stm32f1xx_hal_conf.h"

#include "stm32f1xx_hal.h"



/* USER CODE BEGIN Includes */



/* USER CODE END Includes */



/* Private variables ---------------------------------------------------------*/

UART_HandleTypeDef huart2;



/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/



/* USER CODE END PV */



/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);



/* USER CODE BEGIN PFP */

/* Private function prototypes -----------------------------------------------*/



/* USER CODE END PFP */



/* USER CODE BEGIN 0 */



/* USER CODE END 0 */

int main(void) {

  GPIO_InitTypeDef GPIO_InitStruct;



  HAL_Init();



  /* GPIO Ports Clock Enable */

  __GPIOC_CLK_ENABLE();

  __GPIOA_CLK_ENABLE();



  /*Configure GPIO pin : PC13 */

  GPIO_InitStruct.Pin = B1_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;

  GPIO_InitStruct.Pull = GPIO_PULLDOWN;

  HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);



  /*Configure GPIO pin : PA5 */

  GPIO_InitStruct.Pin = LD2_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;

  HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);



  HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);



  while(1);

}



void EXTI15_10_IRQHandler(void) {

  __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_13);

  HAL_GPIO_TogglePin(LD2_GPIO_Port, GPIO_PIN_5);

}



/** System Clock Configuration

*/

void SystemClock_Config(void)

{



  RCC_OscInitTypeDef RCC_OscInitStruct;

  RCC_ClkInitTypeDef RCC_ClkInitStruct;



  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_DIV2;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;

  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_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);



  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);



  /* SysTick_IRQn interrupt configuration */

  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);

}



/* USER CODE BEGIN 4 */



/* USER CODE END 4 */



#ifdef USE_FULL_ASSERT



/**

   * @brief Reports the name of the source file and the source line number

   * where the assert_param error has occurred.

   * @param file: pointer to the source file name

   * @param line: assert_param error line source number

   * @retval None

   */

void assert_failed(uint8_t* file, uint32_t line)

{

  /* USER CODE BEGIN 6 */

  /* User can add his own implementation to report the file name and line number,

    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* USER CODE END 6 */



}



#endif



/**

  * @}

  */ 



/**

  * @}

*/ 



/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/