ozone_cp/APP/systicket.c

#include <stdbool.h>  //定义布尔

#include "lib_config.h"
#include "system_ES8P5066.h"
uint32_t g_sys_sick = 0;

/***********************************************************************************************************************
 * ======================================================ticket======================================================= *
 ***********************************************************************************************************************/
void SysTick_IRQHandler(void) { g_sys_sick++; }
void systicket_init(void) {
  SYSTICK_InitStruType x;                    //
  x.SysTick_Value = SystemCoreClock / 1000;  //
  x.SysTick_ClkSource = SysTick_ClkS_Cpu;    //时钟48M
  x.SysTick_ITEnable = Enable;               //
  SysTick_Init(&x);                          //现在滴答定时器时钟用的48M，重装载值4800 t=1s/f(f=48M/48000)
  SysTick_Disable();                         //
  SysTick_Enable();
}
/**
 * @brief 获得当前时间戳
 */
uint32_t systicket_get_now_ms(void) { return g_sys_sick; }
/**
 * @brief 计算距离上一次ticket过去了多久
 *
 * @param ticket
 * @return uint32_t
 */
uint32_t systicket_haspassedms(uint32_t ticket) {
  uint32_t nowticket = systicket_get_now_ms();
  if (nowticket >= ticket) {
    return nowticket - ticket;
  }
  return UINT32_MAX - ticket + nowticket;
}
/**
 * @brief 延时多少ms
 *
 * @param nTime
 */
void systicket_delay_ms(uint32_t nTime) {
  uint32_t TimingDelay = 0;
  TimingDelay = systicket_get_now_ms();
  // printf("nTime%d\r\n",nTime);
  while (systicket_haspassedms(TimingDelay) < nTime)
    ;
}

// void systicket_do_debug_light_state(void) {
//   static uint32_t lastprocess = 0;
//   static uint8_t debug_led_state = 1;
//   if (systicket_haspassedms(lastprocess) > 1000) {
//     lastprocess = systicket_get_now_ms();
//     debug_led_state = !debug_led_state;
//     systicket_debug_set(debug_led_state);
//   }
// }