STATIC mp_obj_t machine_deepsleep(void) { // default to sleep forever uint32_t sleep_us = 0; // see if RTC.ALARM0 should wake the device if (pyb_rtc_alarm0_wake & MACHINE_WAKE_DEEPSLEEP) { uint64_t t = pyb_rtc_get_us_since_2000(); if (pyb_rtc_alarm0_expiry <= t) { sleep_us = 1; // alarm already expired so wake immediately } else { uint64_t delta = pyb_rtc_alarm0_expiry - t; if (delta <= 0xffffffff) { // sleep for the desired time sleep_us = delta; } else { // overflow, just set to maximum sleep time sleep_us = 0xffffffff; } } } // prepare for RTC reset at wake up rtc_prepare_deepsleep(sleep_us); // put the device in a deep-sleep state system_deep_sleep_set_option(0); // default power down mode; TODO check this system_deep_sleep(sleep_us); for (;;) { // we must not return ets_loop_iter(); } return mp_const_none; }
/// \function localtime([secs]) /// Convert a time expressed in seconds since Jan 1, 2000 into an 8-tuple which /// contains: (year, month, mday, hour, minute, second, weekday, yearday) /// If secs is not provided or None, then the current time from the RTC is used. /// year includes the century (for example 2014) /// month is 1-12 /// mday is 1-31 /// hour is 0-23 /// minute is 0-59 /// second is 0-59 /// weekday is 0-6 for Mon-Sun. /// yearday is 1-366 STATIC mp_obj_t time_localtime(mp_uint_t n_args, const mp_obj_t *args) { timeutils_struct_time_t tm; mp_int_t seconds; if (n_args == 0 || args[0] == mp_const_none) { seconds = pyb_rtc_get_us_since_2000() / 1000 / 1000; } else { seconds = mp_obj_get_int(args[0]); } timeutils_seconds_since_2000_to_struct_time(seconds, &tm); mp_obj_t tuple[8] = { tuple[0] = mp_obj_new_int(tm.tm_year), tuple[1] = mp_obj_new_int(tm.tm_mon), tuple[2] = mp_obj_new_int(tm.tm_mday), tuple[3] = mp_obj_new_int(tm.tm_hour), tuple[4] = mp_obj_new_int(tm.tm_min), tuple[5] = mp_obj_new_int(tm.tm_sec), tuple[6] = mp_obj_new_int(tm.tm_wday), tuple[7] = mp_obj_new_int(tm.tm_yday), }; return mp_obj_new_tuple(8, tuple); }
/// \function time() /// Returns the number of seconds, as an integer, since 1/1/2000. STATIC mp_obj_t time_time(void) { // get date and time return mp_obj_new_int(pyb_rtc_get_us_since_2000() / 1000 / 1000); }