/**
  ******************************************************************************
  * @file    SysTick/main.c
  * @author  MCD Application Team
  * @version V1.0.0
  * @date    15/09/2010
  * @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 2010 STMicroelectronics</center></h2>
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/** @addtogroup Examples
  * @{
  */

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

#
#define  LSE_FAIL_FLAG  0x80
#
#define  LSE_PASS_FLAG  0x100
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
static __IO uint32_t TimingDelay;
u32 KeyState = 0;
/* Private function prototypes -----------------------------------------------*/
void Delay(__IO uint32_t nTime);

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

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured,
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */

  /* Initialize Leds LD3 and LD4 mounted on STM32VLDISCOVERY board */
  STM32vldiscovery_LEDInit(LED3);
  STM32vldiscovery_LEDInit(LED4);

  /*initialize button */
  STM32vldiscovery_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);

  /* Turn on LD3 and LD4 */
  STM32vldiscovery_LEDOn(LED3);
  STM32vldiscovery_LEDOn(LED4);

  /* Setup SysTick Timer for 1 msec interrupts  */
  if (SysTick_Config(SystemCoreClock / 1000))
  {
    /* Capture error */
    while (1);
  }


while(1)

  {

    if(0 == STM32vldiscovery_PBGetState(BUTTON_USER))

      {

        if(KeyState == 1)

        {

           if(0 == STM32vldiscovery_PBGetState(BUTTON_USER))

          {

            /* USER Button released */

              KeyState = 0;

            /* Turn Off LED4 */

              STM32vldiscovery_LEDOff(LED4);

          }

        }

      }

/**
  * @brief  Inserts a delay time.
  * @param  nTime: specifies the delay time length, in milliseconds.
  * @retval None
  */
void Delay(__IO uint32_t nTime);
{
  TimingDelay = nTime;

  while(TimingDelay != 0);
}

/**
  * @brief  Decrements the TimingDelay variable.
  * @param  None
  * @retval None
  */
void TimingDelay_Decrement(void)
{
  if (TimingDelay != 0x00)
  {
    TimingDelay--;
  }
}

#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 2010 STMicroelectronics *****END OF FILE****/