mirror of
https://github.com/espressif/esp-idf.git
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a9fda54d39
This commit updates the visibility of various header files and cleans up some unnecessary inclusions. Also, this commit removes certain header include paths which were maintained for backward compatibility.
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __ESP_SYSTEM_H__
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#define __ESP_SYSTEM_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#include "esp_attr.h"
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#include "esp_bit_defs.h"
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#include "esp_idf_version.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Reset reasons
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*/
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typedef enum {
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ESP_RST_UNKNOWN, //!< Reset reason can not be determined
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ESP_RST_POWERON, //!< Reset due to power-on event
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ESP_RST_EXT, //!< Reset by external pin (not applicable for ESP32)
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ESP_RST_SW, //!< Software reset via esp_restart
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ESP_RST_PANIC, //!< Software reset due to exception/panic
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ESP_RST_INT_WDT, //!< Reset (software or hardware) due to interrupt watchdog
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ESP_RST_TASK_WDT, //!< Reset due to task watchdog
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ESP_RST_WDT, //!< Reset due to other watchdogs
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ESP_RST_DEEPSLEEP, //!< Reset after exiting deep sleep mode
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ESP_RST_BROWNOUT, //!< Brownout reset (software or hardware)
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ESP_RST_SDIO, //!< Reset over SDIO
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} esp_reset_reason_t;
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/**
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* Shutdown handler type
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*/
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typedef void (*shutdown_handler_t)(void);
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/**
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* @brief Register shutdown handler
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*
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* This function allows you to register a handler that gets invoked before
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* the application is restarted using esp_restart function.
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* @param handle function to execute on restart
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_STATE if the handler has already been registered
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* - ESP_ERR_NO_MEM if no more shutdown handler slots are available
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*/
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esp_err_t esp_register_shutdown_handler(shutdown_handler_t handle);
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/**
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* @brief Unregister shutdown handler
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*
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* This function allows you to unregister a handler which was previously
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* registered using esp_register_shutdown_handler function.
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* - ESP_OK on success
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* - ESP_ERR_INVALID_STATE if the given handler hasn't been registered before
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*/
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esp_err_t esp_unregister_shutdown_handler(shutdown_handler_t handle);
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/**
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* @brief Restart PRO and APP CPUs.
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*
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* This function can be called both from PRO and APP CPUs.
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* After successful restart, CPU reset reason will be SW_CPU_RESET.
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* Peripherals (except for Wi-Fi, BT, UART0, SPI1, and legacy timers) are not reset.
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* This function does not return.
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*/
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void esp_restart(void) __attribute__ ((noreturn));
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/**
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* @brief Get reason of last reset
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* @return See description of esp_reset_reason_t for explanation of each value.
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*/
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esp_reset_reason_t esp_reset_reason(void);
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/**
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* @brief Get the size of available heap.
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*
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* @note Note that the returned value may be larger than the maximum contiguous block
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* which can be allocated.
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*
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* @return Available heap size, in bytes.
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*/
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uint32_t esp_get_free_heap_size(void);
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/**
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* @brief Get the size of available internal heap.
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*
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* @note Note that the returned value may be larger than the maximum contiguous block
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* which can be allocated.
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*
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* @return Available internal heap size, in bytes.
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*/
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uint32_t esp_get_free_internal_heap_size(void);
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/**
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* @brief Get the minimum heap that has ever been available
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*
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* @return Minimum free heap ever available
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*/
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uint32_t esp_get_minimum_free_heap_size( void );
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/**
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* @brief Trigger a software abort
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*
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* @param details Details that will be displayed during panic handling.
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*/
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void __attribute__((noreturn)) esp_system_abort(const char* details);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ESP_SYSTEM_H__ */
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