a89fdc6843
- Fix bt_app.h syntax error (remove stray "1") - Improve menu item alignment and styling - Enable additional LVGL fonts (Montserrat 8, Unscii 16) - Clean up volume page layout, remove instruction labels - Update default font to Montserrat 8 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
109 lines
2.9 KiB
C
109 lines
2.9 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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#include "esp_bt_defs.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 dispatcher */
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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 message event id
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* @param [in] param pointer to the 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 [in] p_dest pointer to the destination
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* @param [in] p_src pointer to the source
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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 handler for the dispatched work (event handler)
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* @param [in] event message event id
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* @param [in] p_params pointer to the parameter
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* @param [in] param_len length of the parameter
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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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void bt_app_init(void);
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/* Bluetooth device management for GUI */
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#define MAX_BT_DEVICES 20
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#define MAX_BT_NAME_LEN 32
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typedef struct {
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esp_bd_addr_t bda;
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char name[MAX_BT_NAME_LEN];
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bool is_paired;
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int rssi;
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} bt_device_info_t;
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typedef struct {
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bt_device_info_t devices[MAX_BT_DEVICES];
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int count;
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bool discovery_active;
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} bt_device_list_t;
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/* Get current device list for GUI display */
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bt_device_list_t* bt_get_device_list(void);
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/* Start device discovery */
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bool bt_start_discovery(void);
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/* Stop device discovery */
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bool bt_stop_discovery(void);
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/* Connect to specific device by index in device list */
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bool bt_connect_device(int device_index);
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/* Clear discovered devices (keep paired devices) */
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void bt_clear_discovered_devices(void);
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/* Volume control functions */
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void bt_volume_up(void);
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void bt_volume_down(void);
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int bt_get_current_volume(void);
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#endif /* __BT_APP_CORE_H__ */
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