serial::MillisecondTimer Class Reference

#include <unix.h>

Public Member Functions
	MillisecondTimer (const uint32_t millis)
int64_t	remaining ()

Constructor & Destructor Documentation

MillisecondTimer::MillisecondTimer

(

const uint32_t

millis

)

  : expiry(timespec_now())
{
  int64_t tv_nsec = expiry.tv_nsec + (millis * 1e6);
  if (tv_nsec >= 1e9) {
    int64_t sec_diff = tv_nsec / static_cast<int> (1e9);
    expiry.tv_nsec = tv_nsec % static_cast<int>(1e9);
    expiry.tv_sec += sec_diff;
  } else {
    expiry.tv_nsec = tv_nsec;
  }
}

Member Function Documentation

int64_t MillisecondTimer::remaining

(

)

{
  timespec now(timespec_now());
  int64_t millis = (expiry.tv_sec - now.tv_sec) * 1e3;
  millis += (expiry.tv_nsec - now.tv_nsec) / 1e6;
  return millis;
}

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The documentation for this class was generated from the following files:

• include/serial/impl/unix.h
• src/impl/unix.cc