kopia lustrzana https://github.com/espressif/esp-idf
126 wiersze
4.3 KiB
C
126 wiersze
4.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 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_FREERTOS_HOOKS_H__
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#define __ESP_FREERTOS_HOOKS_H__
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#include <stdbool.h>
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#include "freertos/portmacro.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)(void);
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typedef void (*esp_freertos_tick_cb_t)(void);
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/**
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* @brief Register a callback to be called from the specified core's idle hook.
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* The callback should return true if it should be called by the idle hook
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* once per interrupt (or FreeRTOS tick), and return false if it should
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* be called repeatedly as fast as possible by the idle hook.
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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[in] new_idle_cb Callback to be called
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* @param[in] cpuid id of the core
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*
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* @return
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* - ESP_OK: Callback registered to the specified core's idle hook
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* - ESP_ERR_NO_MEM: No more space on the specified core's idle hook to register callback
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* - ESP_ERR_INVALID_ARG: cpuid is invalid
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*/
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esp_err_t esp_register_freertos_idle_hook_for_cpu(esp_freertos_idle_cb_t new_idle_cb, UBaseType_t cpuid);
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/**
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* @brief Register a callback to the idle hook of the core that calls this function.
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* The callback should return true if it should be called by the idle hook
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* once per interrupt (or FreeRTOS tick), and return false if it should
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* be called repeatedly as fast as possible by the idle hook.
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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[in] new_idle_cb Callback to be called
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*
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* @return
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* - ESP_OK: Callback registered to the calling core's idle hook
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* - ESP_ERR_NO_MEM: No more space on the calling core's idle hook to register callback
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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 from the specified core's tick hook.
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*
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* @param[in] new_tick_cb Callback to be called
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* @param[in] cpuid id of the core
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*
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* @return
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* - ESP_OK: Callback registered to specified core's tick hook
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* - ESP_ERR_NO_MEM: No more space on the specified core's tick hook to register the callback
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* - ESP_ERR_INVALID_ARG: cpuid is invalid
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*/
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esp_err_t esp_register_freertos_tick_hook_for_cpu(esp_freertos_tick_cb_t new_tick_cb, UBaseType_t cpuid);
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/**
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* @brief Register a callback to be called from the calling core's tick hook.
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*
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* @param[in] new_tick_cb Callback to be called
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*
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* @return
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* - ESP_OK: Callback registered to the calling core's tick hook
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* - ESP_ERR_NO_MEM: No more space on the calling core's tick hook to register the callback
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*/
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esp_err_t esp_register_freertos_tick_hook(esp_freertos_tick_cb_t new_tick_cb);
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/**
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* @brief Unregister an idle callback from the idle hook of the specified core
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*
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* @param[in] old_idle_cb Callback to be unregistered
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* @param[in] cpuid id of the core
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*/
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void esp_deregister_freertos_idle_hook_for_cpu(esp_freertos_idle_cb_t old_idle_cb, UBaseType_t cpuid);
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/**
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* @brief Unregister an idle callback. If the idle callback is registered to
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* the idle hooks of both cores, the idle hook will be unregistered from
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* both cores
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*
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* @param[in] old_idle_cb Callback to be unregistered
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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 from the tick hook of the specified core
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*
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* @param[in] old_tick_cb Callback to be unregistered
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* @param[in] cpuid id of the core
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*/
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void esp_deregister_freertos_tick_hook_for_cpu(esp_freertos_tick_cb_t old_tick_cb, UBaseType_t cpuid);
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/**
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* @brief Unregister a tick callback. If the tick callback is registered to the
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* tick hooks of both cores, the tick hook will be unregistered from
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* both cores
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*
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* @param[in] old_tick_cb Callback to be unregistered
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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 // __ESP_FREERTOS_HOOKS_H__
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