a8000_subboard_sdk/chip/basic/clock.cpp

#include "clock.hpp"
extern "C" {

static zchip_tim_t* m_usdleaytim;

uint32_t zchip_clock_init(zchip_clock_cfg_t* cfg) {
  m_usdleaytim = cfg->usdleaytim;
  return 0;
}
//
uint32_t zchip_clock_get_ticket(void) { return HAL_GetTick(); }
uint32_t zchip_clock_hasspassed(uint32_t ticket) {
  uint32_t nowticket = HAL_GetTick();
  if (nowticket >= ticket) {
    return nowticket - ticket;
  }
  return UINT32_MAX - ticket + nowticket;
}

void __zchip_clock_early_delayus(uint32_t n) {
  volatile uint32_t counter = 0;
  __HAL_TIM_SET_COUNTER(m_usdleaytim, 0);
  HAL_TIM_Base_Start(m_usdleaytim);
  while (counter < n) {
    counter = __HAL_TIM_GET_COUNTER(m_usdleaytim);
  }
  HAL_TIM_Base_Stop(m_usdleaytim);
}
void zchip_clock_early_delayus(uint32_t n) {
  uint32_t us = n % 1000;
  uint32_t ms = n / 1000;
  if (us > 0) {
    __zchip_clock_early_delayus(us);
  }
  for (uint32_t i = 0; i < ms; i++) {
    __zchip_clock_early_delayus(1000);
  }
}


}