circuitpython/ports/esp32s2/common-hal/alarm/__init__.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
 * Copyright (c) 2019 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 "shared-bindings/alarm/__init__.h"
#include "shared-bindings/alarm/pin/PinAlarm.h"
#include "shared-bindings/alarm/time/DurationAlarm.h"

#include "esp_sleep.h"

void common_hal_alarm_disable_all(void) {
    esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL);
}

mp_obj_t common_hal_alarm_get_wake_alarm(void) {
    switch (esp_sleep_get_wakeup_cause()) {
        case ESP_SLEEP_WAKEUP_TIMER: {
            // Wake up from timer.
            alarm_time_duration_alarm_obj_t *timer = m_new_obj(alarm_time_duration_alarm_obj_t);
            timer->base.type = &alarm_time_duration_alarm_type;
            return timer;
        }

        case ESP_SLEEP_WAKEUP_EXT0: {
            // Wake up from GPIO
            alarm_pin_pin_alarm_obj_t *ext0 = m_new_obj(alarm_pin_pin_alarm_obj_t);
            ext0->base.type = &alarm_pin_pin_alarm_type;
            return ext0;
        }

        case ESP_SLEEP_WAKEUP_TOUCHPAD:
            // TODO: implement TouchIO
            // Wake up from touch on pad, esp_sleep_get_touchpad_wakeup_status()
            break;

        case ESP_SLEEP_WAKEUP_UNDEFINED:
        default:
            // Not a deep sleep reset.
            break;
    }
    return mp_const_none;
}