54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_ALARM_SLEEPMEMORY_H
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#define MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_ALARM_SLEEPMEMORY_H
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#include "py/obj.h"
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// There are several places we could store persistent data for SleepMemory:
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//
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// RTC registers: There are a few 32-bit registers maintained during deep sleep.
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// We are already using one for saving sleep information during deep sleep.
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//
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// RTC Fast Memory: 8kB, also used for deep-sleep power-on stub.
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// RTC Slow Memory: 8kB, also used for the ULP (tiny co-processor available during sleep).
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//
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// The ESP-IDF build system takes care of the power management of these regions.
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// RTC_DATA_ATTR will allocate storage in RTC_SLOW_MEM unless CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM
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// is set. Any memory not allocated by us can be used by the ESP-IDF for heap or other purposes.
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// Use half of RTC_SLOW_MEM or RTC_FAST_MEM.
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#define SLEEP_MEMORY_LENGTH (4096)
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typedef struct {
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mp_obj_base_t base;
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} alarm_sleep_memory_obj_t;
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extern void alarm_sleep_memory_reset(void);
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#endif // MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_ALARM_SLEEPMEMORY_H
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