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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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83 lines
2.4 KiB
C
83 lines
2.4 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_FREERTOS_HOOKS_H__
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#define __ESP_FREERTOS_HOOKS_H__
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#include <stdbool.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*
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Definitions for the tickhook and idlehook callbacks
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*/
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typedef bool (*esp_freertos_idle_cb_t)();
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typedef void (*esp_freertos_tick_cb_t)();
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/**
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* @brief Register a callback to be called on the freertos idle hook
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* The callback should return true if it's okay for the core to
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* sleep until an interrupt (or FreeRTOS tick) happens and false
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* if it should be called again as fast as possible.
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*
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* @warning Idle callbacks MUST NOT, UNDER ANY CIRCUMSTANCES, CALL
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* A FUNCTION THAT MIGHT BLOCK.
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*
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* @param esp_freertos_idle_cb_t new_idle_cb : Callback to be called
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*
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* @return ESP_OK : Callback registered
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* @return ESP_ERR_NO_MEM : No more space to register hook
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*/
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esp_err_t esp_register_freertos_idle_hook(esp_freertos_idle_cb_t new_idle_cb);
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/**
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* @brief Register a callback to be called on the freertos tick hook
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*
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* @param esp_freertos_tick_cb_t new_tick_cb : Callback to be called
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*
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* @return ESP_OK : Callback registered
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* @return ESP_ERR_NO_MEM : No more space to register hook
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*/
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esp_err_t esp_register_freertos_tick_hook(esp_freertos_tick_cb_t tick_cb);
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/**
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* @brief Unregister an idle callback registered earlier
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*
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* @param esp_freertos_idle_cb_t new_idle_cb : Callback to be unregistered
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*
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* @return void
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*/
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void esp_deregister_freertos_idle_hook(esp_freertos_idle_cb_t old_idle_cb);
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/**
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* @brief Unregister a tick callback registered earlier
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*
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* @param esp_freertos_idle_cb_t new_idle_cb : Callback to be unregistered
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*
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* @return void
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*/
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void esp_deregister_freertos_tick_hook(esp_freertos_tick_cb_t old_tick_cb);
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#ifdef __cplusplus
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}
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#endif
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#endif |