pressure loop

        with open((plog_path+PLOG_FILE), LOG_MODE) as pressfile:
            debugp(t_stamp, gps.latitude, gps.longitude, gps.altitude_m)
            while ((time.monotonic_ns() - timep) / 1000000000) >= 60:
                if stamped is False:

                    stamped = True
                debugp(((time.monotonic_ns() - timep) / 1000000000), lps.pressure)