utime.c

#include "interrupt.h"
#include "epicardium.h"

#include "mxc_delay.h"

#include "py/mpconfig.h"
#include "py/obj.h"
#include "py/runtime.h"
#include "extmod/utime_mphal.h"

#include <stdint.h>

// Needs to be after the stdint include ...
#include "lib/timeutils/timeutils.h"

/* MicroPython has its epoch at 2000-01-01. Our RTC is in UTC */
#define EPOCH_OFFSET 946684800UL
#define TZONE_OFFSET 7600UL

static mp_obj_t time_set_time(mp_obj_t secs)
{
	uint64_t timestamp =
		mp_obj_get_int(secs) * 1000ULL + EPOCH_OFFSET * 1000ULL;
	epic_rtc_set_milliseconds(timestamp);
	return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(time_set_time_obj, time_set_time);

static mp_obj_t time_set_unix_time(mp_obj_t secs)
{
	uint64_t timestamp = mp_obj_get_int(secs) * 1000ULL;
	epic_rtc_set_milliseconds(timestamp);
	return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_1(time_set_unix_time_obj, time_set_unix_time);

static mp_obj_t time_time(void)
{
	mp_int_t seconds;
	seconds = epic_rtc_get_seconds() - EPOCH_OFFSET + TZONE_OFFSET;
	return mp_obj_new_int(seconds);
}
MP_DEFINE_CONST_FUN_OBJ_0(time_time_obj, time_time);

static mp_obj_t time_localtime(size_t n_args, const mp_obj_t *args)
{
	mp_int_t seconds;

	if (n_args == 0 || args[0] == mp_const_none) {
		seconds = epic_rtc_get_seconds() - EPOCH_OFFSET + TZONE_OFFSET;
	} else {
		seconds = mp_obj_get_int(args[0]);
	}

	timeutils_struct_time_t tm;
	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);
}
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(
	time_localtime_obj, 0, 1, time_localtime