Files
Dong Heng 0f728b64de feat(esp8266): Add reset reason function
The function can be disable.
2018-12-19 15:11:29 +08:00

54 lines
1.4 KiB
C

// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define RTC_SYS_RAM_SIZE 256
/**
* The size of structure must not be larger than 256 bytes and all member varible must be uint32_t type
*/
struct _rtc_sys_info {
uint32_t hint; // software reset reason
};
extern struct _rtc_sys_info rtc_sys_info;
/**
* @brief Internal function to get SoC reset reason at system initialization
*/
void esp_reset_reason_init(void);
/**
* @brief Internal function to set reset reason hint
*
* The hint is used do distinguish different reset reasons when software reset
* is performed.
*
* The hint is stored in RTC store register, RTC_RESET_CAUSE_REG.
*
* @param hint Desired esp_reset_reason_t value for the real reset reason
*/
void esp_reset_reason_set_hint(esp_reset_reason_t hint);
#ifdef __cplusplus
}
#endif