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  1. /**
  2.   ******************************************************************************
  3.   * @file    SysTick/main.c
  4.   * @author  MCD Application Team
  5.   * @version V1.0.0
  6.   * @date    15/09/2010
  7.   * @brief   Main program body.
  8.   ******************************************************************************
  9.   * @copy
  10.   *
  11.   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  12.   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  13.   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  14.   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  15.   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  16.   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  17.   *
  18.   * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
  19.   */
  20.  
  21.  
  22. /* Includes ------------------------------------------------------------------*/
  23. #include "main.h"
  24. #include "stm32F10x.h"
  25. #include "STM32vldiscovery.h"
  26. /** @addtogroup Examples
  27.   * @{
  28.   */
  29.  
  30. /* Private typedef -----------------------------------------------------------*/
  31. /* Private define ------------------------------------------------------------*/
  32.  
  33.  
  34. #define  LSE_FAIL_FLAG  0x80
  35.  
  36. #define  LSE_PASS_FLAG  0x100
  37. /* Private macro -------------------------------------------------------------*/
  38. /* Private variables ---------------------------------------------------------*/
  39. static __IO uint32_t TimingDelay;
  40.  
  41. static __IO uint32_t nTime;
  42. u32 KeyState = 0;
  43. /* Private function prototypes -----------------------------------------------*/
  44.  
  45. void Delay(uint32_t nTime);
  46. void TimingDelay_Decrement(void);
  47.  
  48. /* Private functions ---------------------------------------------------------*/
  49.  
  50. /**
  51.   * @brief  Main program.
  52.   * @param  None
  53.   * @retval None
  54.   */
  55. int main(void)
  56. {
  57.   /*!< At this stage the microcontroller clock setting is already configured,
  58.        this is done through SystemInit() function which is called from startup
  59.        file (startup_stm32f10x_xx.s) before to branch to application main.
  60.        To reconfigure the default setting of SystemInit() function, refer to
  61.        system_stm32f10x.c file
  62.      */    
  63.  
  64.   /* Initialize Leds LD3 and LD4 mounted on STM32VLDISCOVERY board */  
  65.   STM32vldiscovery_LEDInit(LED3);
  66.   STM32vldiscovery_LEDInit(LED4);
  67.  
  68.   /*initialize button */
  69.   STM32vldiscovery_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);
  70.  
  71.   /* Turn on LD3 and LD4 */
  72.   STM32vldiscovery_LEDOn(LED3);
  73.   STM32vldiscovery_LEDOn(LED4);
  74.  
  75.   /* Setup SysTick Timer for 1 msec interrupts  */
  76.   if (SysTick_Config(SystemCoreClock / 1000))
  77.   {
  78.     /* Capture error */
  79.     while (1);
  80.   }
  81.  
  82.  
  83. while(1)
  84.  
  85.   {
  86.  
  87.     if(0 == STM32vldiscovery_PBGetState(BUTTON_USER))
  88.  
  89.       {
  90.  
  91.         if(KeyState == 1)
  92.  
  93.         {
  94.  
  95.            if(0 == STM32vldiscovery_PBGetState(BUTTON_USER))
  96.  
  97.           {
  98.  
  99.             /* USER Button released */
  100.  
  101.               KeyState = 0;
  102.  
  103.             /* Turn Off LED4 */
  104.  
  105.               STM32vldiscovery_LEDOff(LED4);
  106.  
  107.           }      
  108.  
  109.         }
  110.  
  111.       }
  112.     }
  113.  }
  114. /**
  115.   * @brief  Inserts a delay time.
  116.   * @param  nTime: specifies the delay time length, in milliseconds.
  117.   * @retval None
  118.   */
  119. void Delay(__IO uint32_t nTime);
  120. {
  121.   TimingDelay = nTime;
  122.  
  123.   while(TimingDelay != 0);
  124. }
  125.  
  126. /**
  127.   * @brief  Decrements the TimingDelay variable.
  128.   * @param  None
  129.   * @retval None
  130.   */
  131. void TimingDelay_Decrement(void);
  132. {
  133.   if (TimingDelay != 0x00)
  134.   {
  135.     TimingDelay--;
  136.   }
  137. }
  138.  
  139. #ifdef  USE_FULL_ASSERT
  140. /**
  141.   * @brief  Reports the name of the source file and the source line number
  142.   *         where the assert_param error has occurred.
  143.   * @param  file: pointer to the source file name
  144.   * @param  line: assert_param error line source number
  145.   * @retval None
  146.   */
  147. void assert_failed(uint8_t* file, uint32_t line)
  148. {
  149.   /* User can add his own implementation to report the file name and line number,
  150.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  151.  
  152.   /* Infinite loop */
  153.   while (1)
  154.   {
  155.   }
  156. }
  157.  
  158. #endif
  159.  
  160. /**
  161.   * @}
  162.   */
  163.  
  164. /******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
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