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標(biāo)題: STM8S終極入門之定時(shí)器4應(yīng)用簡易花樣流水燈 [打印本頁]

作者: 51黑bing 時(shí)間: 2016-3-20 03:13
標(biāo)題: STM8S終極入門之定時(shí)器4應(yīng)用簡易花樣流水燈
在學(xué)習(xí)下去，就需要搭建更為復(fù)雜的硬件架構(gòu)了，我對架構(gòu)這個(gè)詞理解不了，在這里拿來算是應(yīng)用吧；

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

#include "stm8s.h"

/* Private defines -----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

BitStatus bit_status;
//BitStatus bit_count;
unsigned char bit_count;
void Delay(uint16_t nCount)
{
  /* Decrement nCount value */
  while (nCount != 0)
  {
nCount--;
  }
}
void main(void)
{
  /* Initialize I/Os in Output Mode */

  GPIO_Init(GPIOE, GPIO_PIN_5, GPIO_MODE_OUT_PP_HIGH_FAST);
  GPIO_Init(GPIOD, GPIO_PIN_ALL, GPIO_MODE_OUT_OD_LOW_FAST);
  GPIO_Init(GPIOA, GPIO_PIN_2, GPIO_MODE_IN_PU_NO_IT);
  GPIO_ExternalPullUpConfig(GPIOA, GPIO_PIN_2, ENABLE);

  //CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
  TIM4_TimeBaseInit(TIM4_PRESCALER_128, 15);
  TIM4_ClearFlag(TIM4_FLAG_UPDATE);
  TIM4_ITConfig(TIM4_IT_UPDATE, ENABLE);
  TIM4_Cmd(ENABLE);
  enableInterrupts();
  while (1)
  {
GPIO_Write(GPIOD, 0xFE);Delay(65000);
GPIO_Write(GPIOD, 0xFD);Delay(65000);
GPIO_Write(GPIOD, 0xFB);Delay(65000);
GPIO_Write(GPIOD, 0xF7);Delay(65000);
GPIO_Write(GPIOD, 0xEF);Delay(65000);
GPIO_Write(GPIOD, 0xDF);Delay(65000);
GPIO_Write(GPIOD, 0xBF);Delay(65000);
GPIO_Write(GPIOD, 0x7F);Delay(65000);

/* Toggles LEDs */
bit_status = GPIO_ReadInputPin(GPIOA, GPIO_PIN_2);
if (bit_status == RESET)  //SET or RESET
{
   Delay(0xFFFF);
   if(bit_status == RESET)
   {
      GPIO_WriteReverse(GPIOE, GPIO_PIN_5);
      GPIO_WriteReverse(GPIOD, GPIO_PIN_ALL);

   }

}

  }

}

#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(u8* file, u32 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

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