test_prj/ble_simple_peripheral/code/aicare_profile.c

#include "aicare_profile.h"
/*
 * INCLUDES (包含头文件)
 */
#include <stdio.h>
#include <string.h>
#include "co_printf.h"
#include "gap_api.h"
#include "gatt_api.h"
#include "gatt_sig_uuid.h"
#include "co_log.h"
 
#include "aicare_handler.h"

/*
 * MACROS (宏定义)
 */

/*
 * CONSTANTS (常量定义)
 */
static uint8_t user_ntf_enable_flag=0;

// Simple GATT Profile Service UUID: 0xFFE0
const static uint8_t user_svc_uuid[] = AICARE_SVC_UUID;
/******************************* Characteristic 1 defination *******************************/
// Characteristic 1 UUID: 0xFFE1
// Characteristic 1 data 
#define AICARE_CHAR1_VALUE_LEN  600
#define AICARE_CHAR2_VALUE_LEN  600

static uint8_t user_char1_value[AICARE_CHAR1_VALUE_LEN] = {0};
//Characteristic 1 User Description
#define AICARE_CHAR1_DESC_LEN   6
#define AICARE_CHAR_CCC_LEN 		2


/*
 * TYPEDEFS (类型定义)
 */

/*
 * GLOBAL VARIABLES (全局变量)
 */
static uint8_t aicare_svc_id = 0;
static uint8_t conn_svc_idx = 0;

/*
 * LOCAL VARIABLES (本地变量)
 */
static gatt_service_t aicare_profile_svc;

/*********************************************************************
 * Profile Attributes - Table
 * 每一项都是一个attribute的定义。
 * 第一个attribute为Service 的的定义。
 * 每一个特征值(characteristic)的定义，都至少包含三个attribute的定义；
 * 1. 特征值声明(Characteristic Declaration)
 * 2. 特征值的值(Characteristic value)
 * 3. 特征值描述符(Characteristic description)
 * 如果有notification 或者indication 的功能，则会包含四个attribute的定义，除了前面定义的三个，还会有一个特征值客户端配置(client characteristic configuration)。
 *
 */

const gatt_attribute_t aicare_profile_att_table[AICARE_IDX_NB] =
{
    // userr gatt Service Declaration
				[AICARE_IDX_SERVICE]={
                             { UUID_SIZE_2, UUID16_ARR(GATT_PRIMARY_SERVICE_UUID) },     /* UUID */
                              GATT_PROP_READ,                                             /* Permissions */
                              UUID_SIZE_16,                                                /* Max size of the value */     /* Service UUID size in service declaration */
                              (uint8_t*)user_svc_uuid,                                      /* Value of the attribute */    /* Service UUID value in service declaration */
                            },

        // Characteristic 1 Declaration           
        [AICARE_IDX_CHAR1_DECLARATION]          = {
                                                    { UUID_SIZE_2, UUID16_ARR(GATT_CHARACTER_UUID) },           /* UUID */
																											GATT_PROP_READ,                                             /* Permissions */
																											0,                                                          /* Max size of the value */
																											NULL,                                                       /* Value of the attribute */
                                                },
        // Characteristic 1 Value                  
        [AICARE_IDX_CHAR1_VALUE]                =   {
                                                    { UUID_SIZE_16,AICARE_CHAR1_UUID },                 /* UUID */
                                                      GATT_PROP_WRITE,                           /* Permissions */                        /* Permissions */
                                                      AICARE_CHAR1_VALUE_LEN,                                         /* Max size of the value */
                                                      NULL,                                                       /* Value of the attribute */    /* Can assign a buffer here, or can be assigned in the application by user */
																										},      
																			
			 // Characteristic 2 Declaration           
        [AICARE_IDX_CHAR2_DECLARATION]          = {
                                                    { UUID_SIZE_2, UUID16_ARR(GATT_CHARACTER_UUID) },           /* UUID */
																											GATT_PROP_READ,                                             /* Permissions */
																											0,                                                          /* Max size of the value */
																											NULL,                                                       /* Value of the attribute */
                                                  },
        // Characteristic 2 Value                  
        [AICARE_IDX_CHAR2_VALUE]                = {
                                                    { UUID_SIZE_16,AICARE_CHAR2_UUID },                 /* UUID */
                                                      GATT_PROP_READ|GATT_PROP_NOTI,                           /* Permissions */                        /* Permissions */
                                                      AICARE_CHAR2_VALUE_LEN,                                         /* Max size of the value */
                                                      NULL,                                                       /* Value of the attribute */    /* Can assign a buffer here, or can be assigned in the application by user */
                                                   },  
	  // Characteristic 2 client characteristic configuration
				[AICARE_IDX_CHAR2_CFG]                  =   {
                                                    { UUID_SIZE_2, UUID16_ARR(GATT_CLIENT_CHAR_CFG_UUID) },     /* UUID */
                                                    GATT_PROP_READ | GATT_PROP_WRITE,                           /* Permissions */
                                                    0,                                           /* Max size of the value */
                                                    NULL,                                                       /* Value of the attribute */    /* Can assign a buffer here, or can be assigned in the application by user */
                                                }, 											
};
 

void aicare_send_notify(uint8_t *p_data,uint16_t len)
{
       // if(user_ntf_enable_flag)
        {
            gatt_ntf_t ntf_att;
            ntf_att.att_idx = AICARE_IDX_CHAR2_VALUE;
            ntf_att.conidx = conn_svc_idx;
            ntf_att.svc_id = aicare_svc_id;
            ntf_att.data_len = len ;
            ntf_att.p_data = p_data;
            gatt_notification(ntf_att);
					  
        }
 

	
}
/*********************************************************************
 * @fn      aicare_gatt_read_cb
 *
 * @brief   Simple Profile user application handles read request in this callback.
 *			应用层在这个回调函数里面处理读的请求。
 *
 * @param   p_read  - the pointer to read buffer. NOTE: It's just a pointer from lower layer, please create the buffer in application layer.
 *					  指向读缓冲区的指针。 请注意这只是一个指针，请在应用程序中分配缓冲区. 为输出函数, 因此为指针的指针.
 *          len     - the pointer to the length of read buffer. Application to assign it.
 *                    读缓冲区的长度，用户应用程序去给它赋值.
 *          att_idx - index of the attribute value in it's attribute table.
 *					  Attribute的偏移量.
 *
 * @return  读请求的长度.
 */
static void aicare_gatt_read_cb(uint8_t *p_read, uint16_t *len, uint16_t att_idx)
{
    switch (att_idx)
    {
        case AICARE_IDX_CHAR1_VALUE:
          
        break;

        case AICARE_IDX_CHAR2_VALUE:
           
       break;
				
        default:
        break;
    }
		co_printf("\r\n Read request idx:%d \r\n", att_idx);
 
    
}

/*********************************************************************
 * @fn      aicare_gatt_write_cb
 *
 * @brief   Simple Profile user application handles write request in this callback.
 *			应用层在这个回调函数里面处理写的请求。
 *
 * @param   write_buf   - the buffer for write
 *			              写操作的数据.
 *					  
 *          len         - the length of write buffer.
 *                        写缓冲区的长度.
 *          att_idx     - index of the attribute value in it's attribute table.
 *					      Attribute的偏移量.
 *
 * @return  写请求的长度.GATT_PROP_NOTI
 */
static void aicare_gatt_write_cb(uint8_t *write_buf, uint16_t len, uint16_t att_idx)
{
		co_printf("\r\n Write request idx:%d \r\n", att_idx);
		switch(att_idx)
		{
			case AICARE_IDX_CHAR1_VALUE:
				    show_reg(write_buf,len,1);
					  aicare_app_data_recv(write_buf,len);
					//
			 break;
			 case AICARE_IDX_CHAR2_VALUE:
						
					  show_reg(write_buf,len,1); 
       break;
			 
			 case AICARE_IDX_CHAR2_CFG:
						co_printf("AICARE_IDX_CHAR2_CFG\r\n");
			      show_reg(write_buf,len,1); 
			 break;
 
		}

	
 

}

/*********************************************************************
 * @fn      aicare_gatt_msg_handler
 *
 * @brief   Simple Profile callback funtion for GATT messages. GATT read/write
 *			operations are handeled here.
 *
 * @param   p_msg       - GATT messages from GATT layer.
 *
 * @return  uint16_t    - Length of handled message.
 */
static uint16_t aicare_gatt_msg_handler(gatt_msg_t *p_msg)
{
	co_printf("\r\naicare_gatt_msg_handler evt:%d conn_idx:%d\r\n",p_msg->msg_evt,p_msg->conn_idx);
	  conn_svc_idx = p_msg->conn_idx;
    switch(p_msg->msg_evt)
    {
        case GATTC_MSG_READ_REQ:
            aicare_gatt_read_cb((uint8_t *)(p_msg->param.msg.p_msg_data), &(p_msg->param.msg.msg_len), p_msg->att_idx);
            break;
        
        case GATTC_MSG_WRITE_REQ:
            aicare_gatt_write_cb((uint8_t*)(p_msg->param.msg.p_msg_data), (p_msg->param.msg.msg_len), p_msg->att_idx);
            break;
				case GATTC_MSG_NTF_REQ:
					 user_ntf_enable_flag=0;
					break;
        default:
            break;
    }
		
    return p_msg->param.msg.msg_len;
}


void aicare_gatt_add_service(void)
{
	aicare_profile_svc.p_att_tb = aicare_profile_att_table;
	aicare_profile_svc.att_nb = AICARE_IDX_NB;
	aicare_profile_svc.gatt_msg_handler = aicare_gatt_msg_handler;
	
	aicare_svc_id = gatt_add_service(&aicare_profile_svc);
	
	co_printf("aicare_svc_id:%d",aicare_svc_id);
}