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

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2020-12-10 13:03:40 -05:00
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 microDev
* Copyright (c) 2020 Dan Halbert 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 <string.h>
#include "py/runtime.h"
#include "common-hal/alarm/SleepMemory.h"
#include "esp_sleep.h"
void alarm_sleep_memory_reset(void) {
// Power RTC slow memory during deep sleep
esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_SLOW_MEM, ESP_PD_OPTION_ON);
}
uint32_t common_hal_alarm_sleep_memory_get_length(alarm_sleep_memory_obj_t *self) {
return SLEEP_MEMORY_LENGTH;
}
bool common_hal_alarm_sleep_memory_set_bytes(alarm_sleep_memory_obj_t *self,
uint32_t start_index, uint8_t* values, uint32_t len) {
if (start_index + len > SLEEP_MEMORY_LENGTH) {
return false;
}
memcpy((uint8_t *) (SLEEP_MEMORY_BASE + start_index), values, len);
return true;
}
void common_hal_alarm_sleep_memory_get_bytes(alarm_sleep_memory_obj_t *self,
uint32_t start_index, uint32_t len, uint8_t* values) {
if (start_index + len > SLEEP_MEMORY_LENGTH) {
return;
}
memcpy(values, (uint8_t *) (SLEEP_MEMORY_BASE + start_index), len);
}