circuitpython/ports/stm/common-hal/alarm/__init__.h
Scott Shawcroft b78e9fcd19
Improve STM reset reason
This causes safe mode to skip the wait for reset when waking up
from an alarm. (It also means we don't flash the LED for it.)
2021-05-19 11:48:02 -07:00

47 lines
1.8 KiB
C

/*
* 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.
*/
#ifndef MICROPY_INCLUDED_STM32_COMMON_HAL_ALARM__INIT__H
#define MICROPY_INCLUDED_STM32_COMMON_HAL_ALARM__INIT__H
#include "common-hal/alarm/SleepMemory.h"
extern const alarm_sleep_memory_obj_t alarm_sleep_memory_obj;
typedef enum {
STM_WAKEUP_UNDEF,
STM_WAKEUP_GPIO,
STM_WAKEUP_RTC
} stm_sleep_source_t;
#define STM_ALARM_FLAG (RTC->BKP0R)
extern void alarm_set_wakeup_reason(stm_sleep_source_t reason);
stm_sleep_source_t alarm_get_wakeup_cause(void);
extern void alarm_reset(void);
#endif // MICROPY_INCLUDED_STM32_COMMON_HAL_ALARM__INIT__H