/libraries/STM32F10x_StdPeriph_Lib_V3.1.2/Project/STM32F10x_StdPeriph_Examples/GPIO/IOToggle/main.c

/**

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

  * @file    GPIO/IOToggle/main.c 

  * @author  MCD Application Team

  * @version V3.1.2

  * @date    09/28/2009

  * @brief   Main program body.

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

  * @copy

  *

  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE

  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY

  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING

  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE

  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

  *

  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>

  */ 



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

#include "stm32f10x.h"

#include "stm32_eval.h"



/** @addtogroup STM32F10x_StdPeriph_Examples

  * @{

  */



/** @addtogroup GPIO_IOToggle

  * @{

  */



/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

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

GPIO_InitTypeDef GPIO_InitStructure;



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

void RCC_Configuration(void);

void Delay(__IO uint32_t nCount);



/* Private functions ---------------------------------------------------------*/



/**

  * @brief  Main program.

  * @param  None

  * @retval None

  */

int main(void)

{

  /* System Clocks Configuration **********************************************/

  RCC_Configuration();   



  /* Configure all unused GPIO port pins in Analog Input mode (floating input

     trigger OFF), this will reduce the power consumption and increase the device

     immunity against EMI/EMC *************************************************/

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |

                         RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |

                         RCC_APB2Periph_GPIOE, ENABLE);



  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;

  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;

  GPIO_Init(GPIOA, &GPIO_InitStructure);

  GPIO_Init(GPIOB, &GPIO_InitStructure);

  GPIO_Init(GPIOC, &GPIO_InitStructure);

  GPIO_Init(GPIOD, &GPIO_InitStructure);

  GPIO_Init(GPIOE, &GPIO_InitStructure);



  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |

                         RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |

                         RCC_APB2Periph_GPIOE, DISABLE);  

#ifdef USE_STM3210E_EVAL

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, ENABLE);



  GPIO_Init(GPIOF, &GPIO_InitStructure);

  GPIO_Init(GPIOG, &GPIO_InitStructure);

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, DISABLE);

#endif /* USE_STM3210E_EVAL */



  /* Initialize Leds mounted on STM3210X-EVAL board */

  STM_EVAL_LEDInit(LED1);

  STM_EVAL_LEDInit(LED2);

  STM_EVAL_LEDInit(LED3);

  STM_EVAL_LEDInit(LED4);



  while (1)

  {

    /* Turn on LD1 */

    STM_EVAL_LEDOn(LED1);

    /* Insert delay */

    Delay(0xAFFFF);



    /* Turn on LD2 and LD3 */

    STM_EVAL_LEDOn(LED2);

    STM_EVAL_LEDOn(LED3);

    /* Turn off LD1 */

    STM_EVAL_LEDOff(LED1);

    /* Insert delay */

    Delay(0xAFFFF);



    /* Turn on LD4 */

    STM_EVAL_LEDOn(LED4);

    /* Turn off LD2 and LD3 */

    STM_EVAL_LEDOff(LED2);

    STM_EVAL_LEDOff(LED3);

    /* Insert delay */

    Delay(0xAFFFF);



    /* Turn off LD4 */

    STM_EVAL_LEDOff(LED4);

  }

}



/**

  * @brief  Configures the different system clocks.

  * @param  None

  * @retval None

  */

void RCC_Configuration(void)

{   

  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  

     initialize the PLL and update the SystemFrequency variable. */

  SystemInit();

}



/**

  * @brief  Inserts a delay time.

  * @param  nCount: specifies the delay time length.

  * @retval None

  */

void Delay(__IO uint32_t nCount)

{

  for(; nCount != 0; nCount--);

}



#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 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) */



  /* Infinite loop */

  while (1)

  {

  }

}

#endif



/**

  * @}

  */



/**

  * @}

  */



/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/