0904_APP/Hardware/timeout.c

#include "timeout.h"


/*----------------------------------------------------------------------------
  * 设置定时器
  * tt:定时器指针
  * val，延时ms
  *---------------------------------------------------------------------------*/
void timeout_setValue(timeout_t *tt,uint32_t val){
  tt->counter = Get_SysTick();
  tt->timeout = val;
}
/*----------------------------------------------------------------------------
 * 启动定时器
 * tt :定时器指针
 *---------------------------------------------------------------------------*/
void timeout_start(timeout_t *tt){
    tt->counter = Get_SysTick();
    tt->flag = 1;
    tt->endMode = 1;

}
/*----------------------------------------------------------------------------
 * 停止定时器
 * tt: 定时器指针
 *---------------------------------------------------------------------------*/
void timeout_stop(timeout_t *tt){
  tt->flag = 0;
  tt->endMode = 2;
}
/*----------------------------------------------------------------------------
 * 返回定时器是否超时
 * tt：定时器指针
 * 返回值 1:超时 0:未超时
 *---------------------------------------------------------------------------*/
uint8_t timeout_isOut(timeout_t *tt){
  if(tt->flag){
    if((Get_SysTick() - tt->counter) > tt->timeout){
      tt->counter = Get_SysTick();
      if(tt->flag == 1){
        tt->flag = 0;
      }
      tt->endMode = 0x03;
      return 1;
    }
    else{
      return 0;
    }
  }
  else{
    return 1;
  }
}