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https://github.com/espressif/esp-idf.git
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139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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_deep_sleep.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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* @attention application don't need to call this function anymore. It do nothing and will
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* be removed in future version.
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*/
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void system_init(void) __attribute__ ((deprecated));
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/**
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* @brief Reset to default settings.
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*
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* Function has been deprecated, please use esp_wifi_restore instead.
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* This name will be removed in a future release.
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*/
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void system_restore(void) __attribute__ ((deprecated));
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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 WiFi, 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 Restart system.
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*
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* Function has been renamed to esp_restart.
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* This name will be removed in a future release.
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*/
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void system_restart(void) __attribute__ ((deprecated, noreturn));
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/**
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* @brief Get system time, unit: microsecond.
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*
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* This function is deprecated. Use 'gettimeofday' function for 64-bit precision.
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* This definition will be removed in a future release.
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*/
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uint32_t system_get_time(void) __attribute__ ((deprecated));
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/**
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* @brief Get the size of available heap.
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*
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* 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 heap.
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*
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* Function has been renamed to esp_get_free_heap_size.
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* This name will be removed in a future release.
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*
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* @return Available heap size, in bytes.
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*/
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uint32_t system_get_free_heap_size(void) __attribute__ ((deprecated));
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/**
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* @brief Get one random 32-bit word from hardware RNG
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*
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* @return random value between 0 and UINT32_MAX
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*/
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uint32_t esp_random(void);
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/**
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* @brief Read hardware MAC address.
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*
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* In WiFi MAC, only ESP32 station MAC is the hardware MAC, ESP32 softAP MAC is a software MAC
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* calculated from ESP32 station MAC.
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* So users need to call esp_wifi_get_macaddr to query the ESP32 softAP MAC if ESP32 station MAC changed.
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*
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* @param mac hardware MAC address, length: 6 bytes.
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*
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* @return ESP_OK on success
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*/
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esp_err_t esp_efuse_read_mac(uint8_t* mac);
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/**
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* @brief Read hardware MAC address.
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*
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* Function has been renamed to esp_efuse_read_mac.
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* This name will be removed in a future release.
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*
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* @param mac hardware MAC address, length: 6 bytes.
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* @return ESP_OK on success
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*/
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esp_err_t system_efuse_read_mac(uint8_t mac[6]) __attribute__ ((deprecated));
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/**
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* Get SDK version
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*
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* This function is deprecated and will be removed in a future release.
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*
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* @return constant string "master"
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*/
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const char* system_get_sdk_version(void) __attribute__ ((deprecated));
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/**
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* Get IDF version
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*
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* @return constant string from IDF_VER
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*/
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const char* esp_get_idf_version(void);
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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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