kopia lustrzana https://github.com/espressif/esp-idf
89 wiersze
2.2 KiB
C
89 wiersze
2.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#ifndef __BT_APP_CORE_H__
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#define __BT_APP_CORE_H__
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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/* log tag */
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#define BT_APP_CORE_TAG "BT_APP_CORE"
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/* signal for `bt_app_work_dispatch` */
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#define BT_APP_SIG_WORK_DISPATCH (0x01)
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/**
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* @brief handler for the dispatched work
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*
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* @param [in] event event id
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* @param [in] param handler parameter
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*/
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typedef void (* bt_app_cb_t) (uint16_t event, void *param);
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/* message to be sent */
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typedef struct {
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uint16_t sig; /*!< signal to bt_app_task */
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uint16_t event; /*!< message event id */
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bt_app_cb_t cb; /*!< context switch callback */
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void *param; /*!< parameter area needs to be last */
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} bt_app_msg_t;
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/**
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* @brief parameter deep-copy function to be customized
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*
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* @param [out] p_dest pointer to destination data
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* @param [in] p_src pointer to source data
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* @param [in] len data length in byte
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*/
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typedef void (* bt_app_copy_cb_t) (void *p_dest, void *p_src, int len);
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/**
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* @brief work dispatcher for the application task
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*
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* @param [in] p_cback callback function
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* @param [in] event event id
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* @param [in] p_params callback paramters
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* @param [in] param_len parameter length in byte
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* @param [in] p_copy_cback parameter deep-copy function
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*
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* @return true if work dispatch successfully, false otherwise
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*/
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bool bt_app_work_dispatch(bt_app_cb_t p_cback, uint16_t event, void *p_params, int param_len, bt_app_copy_cb_t p_copy_cback);
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/**
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* @brief start up the application task
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*/
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void bt_app_task_start_up(void);
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/**
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* @brief shut down the application task
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*/
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void bt_app_task_shut_down(void);
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/**
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* @brief start up the is task
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*/
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void bt_i2s_task_start_up(void);
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/**
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* @brief shut down the I2S task
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*/
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void bt_i2s_task_shut_down(void);
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/**
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* @brief write data to ringbuffer
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*
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* @param [in] data pointer to data stream
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* @param [in] size data length in byte
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*
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* @return size if writteen ringbuffer successfully, 0 others
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*/
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size_t write_ringbuf(const uint8_t *data, size_t size);
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#endif /* __BT_APP_CORE_H__ */
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