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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Lucian Copeland for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/runtime.h"
#include "shared-bindings/alarm/time/TimeAlarm.h"
#include "shared-bindings/time/__init__.h"
#include "shared/timeutils/timeutils.h"
#include "hardware/gpio.h"
#include "hardware/rtc.h"
STATIC bool woke_up = false;
STATIC bool _timealarm_set = false;
STATIC void timer_callback(void) {
woke_up = true;
}
void common_hal_alarm_time_timealarm_construct(alarm_time_timealarm_obj_t *self, mp_float_t monotonic_time) {
self->monotonic_time = monotonic_time;
}
mp_float_t common_hal_alarm_time_timealarm_get_monotonic_time(alarm_time_timealarm_obj_t *self) {
return self->monotonic_time;
}
mp_obj_t alarm_time_timealarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t *alarms) {
for (size_t i = 0; i < n_alarms; i++) {
if (mp_obj_is_type(alarms[i], &alarm_time_timealarm_type)) {
return alarms[i];
}
}
return mp_const_none;
}
mp_obj_t alarm_time_timealarm_create_wakeup_alarm(void) {
alarm_time_timealarm_obj_t *timer = m_new_obj(alarm_time_timealarm_obj_t);
timer->base.type = &alarm_time_timealarm_type;
// TODO: Set monotonic_time based on the RTC state.
timer->monotonic_time = 0.0f;
return timer;
}
bool alarm_time_timealarm_woke_this_cycle(void) {
return woke_up;
}
void alarm_time_timealarm_reset(void) {
rtc_disable_alarm();
woke_up = false;
}
void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
bool timealarm_set = false;
alarm_time_timealarm_obj_t *timealarm = MP_OBJ_NULL;
for (size_t i = 0; i < n_alarms; i++) {
if (!mp_obj_is_type(alarms[i], &alarm_time_timealarm_type)) {
continue;
}
if (timealarm_set) {
mp_raise_ValueError(translate("Only one alarm.time alarm can be set."));
}
timealarm = MP_OBJ_TO_PTR(alarms[i]);
timealarm_set = true;
}
if (!timealarm_set) {
return;
}
if (deep_sleep) {
_timealarm_set = true;
}
// Compute how long to actually sleep, considering the time now.
mp_float_t mono_seconds_to_date = uint64_to_float(common_hal_time_monotonic_ms()) / 1000.0f;
mp_float_t wakeup_in_secs = MAX(0.0f, timealarm->monotonic_time - mono_seconds_to_date);
datetime_t t;
rtc_get_datetime(&t);
uint32_t rtc_seconds_to_date = timeutils_seconds_since_2000(t.year, t.month,
t.day, t.hour, t.min, t.sec);
// The float value is always slightly under, so add 1 to compensate
uint32_t alarm_seconds = rtc_seconds_to_date + (uint32_t)wakeup_in_secs + 1;
timeutils_struct_time_t tm;
timeutils_seconds_since_2000_to_struct_time(alarm_seconds, &tm);
// reuse t
t.hour = tm.tm_hour;
t.min = tm.tm_min;
t.sec = tm.tm_sec;
t.day = tm.tm_mday;
t.month = tm.tm_mon;
t.year = tm.tm_year;
t.dotw = (tm.tm_wday + 1) % 7;
rtc_set_alarm(&t, &timer_callback);
woke_up = false;
}
bool alarm_time_timealarm_is_set(void) {
return _timealarm_set;
}
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