ch32_timebase.hpp

#pragma once
 
#include DEF2STR(LIBXR_CH32_CONFIG_FILE)
 
extern uint32_t SystemCoreClock;
 
namespace LibXR
{
 
class CH32Timebase : public Timebase
{
 public:
  CH32Timebase() : Timebase(UINT64_MAX, UINT32_MAX)
  {
    cnt_per_microsec_ = SystemCoreClock / 1000000;
  }
 
  TimestampUS _get_microseconds() override
  {
    uint64_t cnt = SysTick->CNT;
    return TimestampUS(cnt / cnt_per_microsec_);
  }
 
  TimestampMS _get_milliseconds() override { return cnt_per_microsec_ / 1000; }
 
  static inline uint32_t cnt_per_microsec_;
};
 
}  // namespace LibXR