circuitpython/ports/esp32s2/common-hal/alarm/__init__.c
2020-10-27 16:15:09 -07:00

85 lines
3.3 KiB
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 <sys/time.h>
#include "common-hal/alarm/__init__.h"
#include "shared-bindings/alarm/__init__.h"
#include "esp_sleep.h"
#include "soc/rtc_periph.h"
#include "driver/rtc_io.h"
static RTC_DATA_ATTR struct timeval sleep_enter_time;
static RTC_DATA_ATTR struct timeval sleep_exit_time;
static RTC_DATA_ATTR uint8_t wake_io;
int common_hal_alarm_get_sleep_time(void) {
return (sleep_exit_time.tv_sec - sleep_enter_time.tv_sec) * 1000 + (sleep_exit_time.tv_usec - sleep_enter_time.tv_usec) / 1000;
}
void RTC_IRAM_ATTR esp_wake_deep_sleep(void) {
esp_default_wake_deep_sleep();
wake_io = rtc_gpio_get_level(6);
gettimeofday(&sleep_exit_time, NULL);
}
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_obj_t *timer = m_new_obj(alarm_time_obj_t);
timer->base.type = &alarm_time_type;
return timer;
case ESP_SLEEP_WAKEUP_EXT0: ;
//Wake up from GPIO
/*alarm_io_obj_t *ext0 = m_new_obj(alarm_io_obj_t);
ext0->base.type = &alarm_io_type;
return ext0;*/
return mp_obj_new_int(wake_io);
case ESP_SLEEP_WAKEUP_EXT1:
//Wake up from GPIO, returns -> esp_sleep_get_ext1_wakeup_status()
/*uint64_t wakeup_pin_mask = esp_sleep_get_ext1_wakeup_status();
if (wakeup_pin_mask != 0) {
int pin = __builtin_ffsll(wakeup_pin_mask) - 1;
printf("Wake up from GPIO %d\n", pin);
} else {
printf("Wake up from GPIO\n");
}*/
break;
case ESP_SLEEP_WAKEUP_TOUCHPAD:
//TODO: implement TouchIO
//Wake up from touch on pad, returns -> esp_sleep_get_touchpad_wakeup_status()
break;
case ESP_SLEEP_WAKEUP_UNDEFINED:
default:
//Not a deep sleep reset
break;
}
return mp_const_none;
}