164 lines
3.6 KiB
C
164 lines
3.6 KiB
C
#ifndef BLE_DEMO_H__
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#define BLE_DEMO_H__
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#include "stdint.h"
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//定义蓝牙的最大连接数
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#define BLE_MAX_LINKED 5
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//定义通知最大长度
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#define BLE_NOTICE_LEN 256
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//定义接收帧最大长度
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#define BLE_RETURN_LINE_LEN 512
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/*******************************************************
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通知数据定义：
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------------------------------------------------------+
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主体 |obj_size |obj |op|data_size|data |
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------------------------------------------------------+
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长度(byte)|1 |obj_size |1 |1 |data_size |
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------------------------------------------------------+
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********************************************************/
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//定义数据缓冲区大小
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#define BLE_BUFF_LEN 512
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#define BLE_UUID_TYPE_128 0x80
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#define BLE_UUID_TYPE_32 0x20
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#define BLE_UUID_TYPE_16 0x10
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typedef struct
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{
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int buff_len;
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int buff_used;
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int read_ptr;
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int save_ptr;
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uint8_t buff[BLE_BUFF_LEN];
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} ble_buff;
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typedef struct
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{
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uint8_t mac[6];
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uint16_t conn_handle;
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int linked;
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ble_buff buff_recv;
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}ble_device;
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typedef struct
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{
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uint8_t obj[4];
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uint8_t obj_size;
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uint8_t par[BLE_NOTICE_LEN];
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int par_size;
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}notice_t;
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typedef struct
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{
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char mode; //工作模式'i'空闲；'h'主机；'s'从机
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int linked; //当前连接数
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ble_device device[BLE_MAX_LINKED];
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notice_t notice;
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uint8_t conn_mac[6]; //正在连接的蓝牙mac地址
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uint8_t data_temp[BLE_BUFF_LEN]; //数据临时存储区
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uint8_t return_line[BLE_RETURN_LINE_LEN]; //接收数据存储区
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void (*linked_change)(uint16_t handle,uint16_t state);
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void (*recv_data)(uint16_t handle,uint8_t *data,int len);
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void (*user_irq)(uint8_t *data,int len);
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void *ret_event;//返回事件
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void *kno_event;//知晓事件
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}ble_struct;
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typedef struct
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{
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uint8_t mac[6];
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int8_t rssi;
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char name[20];
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}ble_mac_name;
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//ble初始化
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void ble_init(ble_struct *ble);
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//ble去初始化
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void ble_deinit(ble_struct *ble);
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//读取指定长度的数据
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int ble_get_recv_data(ble_struct *ble,uint16_t handle,uint8_t *buff,int read_len);
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//读取数据直到出现界定符
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int ble_get_recv_data_by_end(ble_struct *ble,uint16_t handle,uint8_t *buff,int buff_size,uint8_t end_par);
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//返回指定索引的蓝牙设备
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ble_device *ble_find_device_by_index(ble_struct *ble,int index);
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// 设置连接状态改变回调
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int ble_set_callback_linked_change(ble_struct *ble,void (*linked_change)(uint16_t handle,uint16_t state));
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// 设置接收到数据回调，如果设置了此回调函数，则接收到数据时不会保存到缓冲区
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// 即通过 ble_get_recv_data | ble_get_recv_data_by_end 函数无法读取到数据
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int ble_set_callback_recv_data(ble_struct *ble,void (*recv_data)(uint16_t handle,uint8_t *data,int len));
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// 设置用户中断回调
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int ble_set_callback_user_irq(ble_struct *ble,void (*user_irq)(uint8_t *data,int len));
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//设置设备名称
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int ble_set_name(ble_struct *ble,char *name);
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//获取设备mac地址
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int ble_get_mac(ble_struct *ble,uint8_t mac[6]);
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//重启
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int ble_reboot(ble_struct *ble);
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//设置uuid
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int ble_set_uuid(ble_struct *ble,uint8_t sub,uint8_t type,uint8_t *uuid);
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//打开/关闭数据传输
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int ble_set_data_transport(ble_struct *ble,uint8_t power);
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//发送数据
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int ble_send_data(ble_struct *ble,uint16_t handle,uint8_t *buff,int len);
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//设置为从机模式
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int ble_set_slave(ble_struct *ble);
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//设置为主机模式
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int ble_set_host(ble_struct *ble);
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//连接指定的从机
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int ble_connect_by_mac(ble_struct *ble,uint8_t mac[6]);
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//断开指定的从机
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int ble_discon_by_mac(ble_struct *ble,uint8_t mac[6]);
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//扫描
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int ble_scan(ble_struct *ble,ble_mac_name mac[32],int *mac_num);
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//发送用户设置数据
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int ble_user_cmd_set(ble_struct *ble,uint8_t *tx,int tx_len);
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//发送用户获取数据，rx_len获取的数据长度，失败返回0
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int ble_user_cmd_get(ble_struct *ble,uint8_t *tx,int tx_len,uint8_t *rx,int *rx_len);
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#endif
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