319 lines
9.3 KiB
C
319 lines
9.3 KiB
C
/**
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****************************************************************************************
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*
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* @file blufi_pro.c
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*
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* @brief Application entry point
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*
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* Copyright (C) Espressif 2016
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* Created by Yulong at 2016/8/18
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*
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*
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****************************************************************************************
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "bt_target.h"
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#include "bt_trace.h"
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#include "bt_types.h"
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#include "gatt_api.h"
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#include "bta_api.h"
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#include "bta_gatt_api.h"
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#include "bta_gatts_int.h"
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#include "blufi_prf.h"
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static tBLUFI_CB_ENV blufi_cb_env;
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/*****************************************************************************
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** Constants
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*****************************************************************************/
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static void blufi_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data);
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/*******************************************************************************
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**
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** Function blufi_profile_cb
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**
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** Description the callback function after the profile has been register to the BTA manager module
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**
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** Returns NULL
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**
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*******************************************************************************/
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static void blufi_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data)
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{
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tBTA_GATTS_RSP rsp;
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tBT_UUID uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
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tBLUFI_INST *p_inst = &blufi_cb_env.blufi_inst;
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UINT8 net_event = 0xff;
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UINT8 len = 0;
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UINT8 *p_rec_data = NULL;
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LOG_ERROR("blufi profile cb event = %x\n",event);
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switch(event) {
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case BTA_GATTS_REG_EVT:
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LOG_ERROR("p_data->reg_oper.status = %x\n",p_data->reg_oper.status);
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LOG_ERROR("(p_data->reg_oper.uuid.uu.uuid16=%x\n",p_data->reg_oper.uuid.uu.uuid16);
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if(p_data->reg_oper.status != BTA_GATT_OK) {
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LOG_ERROR("blufi profile register failed\n");
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return;
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}
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blufi_cb_env.gatt_if = p_data->reg_oper.server_if;
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blufi_cb_env.enabled = true;
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//create the blufi service to the service data base.
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if(p_data->reg_oper.uuid.uu.uuid16 == SVC_BLUFI_UUID) {
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blufi_create_service();
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}
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break;
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case BTA_GATTS_READ_EVT:
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memset(&rsp, 0, sizeof(tBTA_GATTS_API_RSP));
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rsp.attr_value.handle = p_data->req_data.p_data->read_req.handle;
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rsp.attr_value.len = 2;
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BTA_GATTS_SendRsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
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p_data->req_data.status,&rsp);
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break;
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case BTA_GATTS_WRITE_EVT:
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BTA_GATTS_SendRsp(p_data->req_data.conn_id,p_data->req_data.trans_id,
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p_data->req_data.status,NULL);
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LOG_ERROR("Received blufi data:");
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for(int i = 0; i < p_data->req_data.p_data->write_req.len; i++){
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LOG_ERROR("%x",p_data->req_data.p_data->write_req.value[i]);
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}
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LOG_ERROR("\n");
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if (p_data->req_data.p_data->write_req.handle == blufi_cb_env.blufi_inst.blufi_hdl) {
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p_rec_data = &p_data->req_data.p_data->write_req.value[0];
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if (p_inst && p_inst->blufi_cback)
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p_inst->blufi_cback(blufi_cb_env.blufi_inst.app_id, net_event, len, p_rec_data);
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}
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break;
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case BTA_GATTS_CONF_EVT:
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/* Nothing */
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break;
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case BTA_GATTS_CREATE_EVT:
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uuid.uu.uuid16 = CHAR_BLUFI_UUID;
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blufi_cb_env.clcb.cur_srvc_id = p_data->create.service_id;
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blufi_cb_env.is_primery = p_data->create.is_primary;
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//start the blufi service after created
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BTA_GATTS_StartService(p_data->create.service_id, BTA_GATT_TRANSPORT_LE);
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//add the frist blufi characteristic --> write characteristic
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BTA_GATTS_AddCharacteristic(blufi_cb_env.clcb.cur_srvc_id, &uuid,
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(GATT_PERM_WRITE | GATT_PERM_READ),
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(GATT_CHAR_PROP_BIT_READ | GATT_CHAR_PROP_BIT_WRITE));
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break;
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case BTA_GATTS_ADD_CHAR_EVT:
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if(p_data->add_result.char_uuid.uu.uuid16 == CHAR_BLUFI_UUID)
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{
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uuid.uu.uuid16 = CHAR_BLUFI_UUID;
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//tBTA_GATT_PERM perm = GATT_PERM_READ;
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//save the att handle to the env
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blufi_cb_env.blufi_inst.blufi_hdl = p_data->add_result.attr_id;
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//add the frist blufi characteristic --> Notify characteristic
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//BTA_GATTS_AddCharacteristic(blufi_cb_env.clcb.cur_srvc_id,&uuid,
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// GATT_PERM_READ,(GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY));
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}
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#if 0
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else if(p_data->add_result.char_uuid.uu.uuid16 == CHAR_BLUFI_UUID){ // add the gattc config descriptor to the notify charateristic
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//tBTA_GATT_PERM perm = (GATT_PERM_WRITE|GATT_PERM_WRITE);
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uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
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blufi_cb_env.blufi_inst.blufi_hdl = p_data->add_result.attr_id;
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BTA_GATTS_AddCharDescriptor (blufi_cb_env.clcb.cur_srvc_id,
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(GATT_PERM_WRITE|GATT_PERM_WRITE),
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&uuid);
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}
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#endif
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break;
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case BTA_GATTS_ADD_CHAR_DESCR_EVT:
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if(p_data->add_result.char_uuid.uu.uuid16 == GATT_UUID_CHAR_CLIENT_CONFIG)
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{
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blufi_cb_env.blufi_inst.blufi_hdl = p_data->add_result.attr_id;
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}
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break;
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case BTA_GATTS_CONNECT_EVT:
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//set the connection flag to true
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blufi_env_clcb_alloc(p_data->conn.conn_id, p_data->conn.remote_bda);
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break;
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case BTA_GATTS_DISCONNECT_EVT:
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//set the connection flag to true
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blufi_cb_env.clcb.connected = false;
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break;
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case BTA_GATTS_OPEN_EVT:
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break;
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case BTA_GATTS_CLOSE_EVT:
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if(blufi_cb_env.clcb.connected && (blufi_cb_env.clcb.conn_id == p_data->conn.conn_id))
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{
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//set the connection channal congested flag to true
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blufi_cb_env.clcb.congest = p_data->congest.congested;
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}
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break;
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case BTA_GATTS_LISTEN_EVT:
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break;
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case BTA_GATTS_CONGEST_EVT:
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break;
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default:
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break;
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}
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}
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/*******************************************************************************
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**
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** Function blufi_create_service
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**
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** Description Create a Service for the blufi profile
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**
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** Returns NULL
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**
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*******************************************************************************/
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void blufi_create_service(void)
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{
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tBTA_GATTS_IF server_if ;
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tBT_UUID uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
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UINT16 num_handle = BLUFI_HDL_NUM;
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UINT8 inst = 0x00;
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server_if = blufi_cb_env.gatt_if;
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blufi_cb_env.inst_id = inst;
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if(!blufi_cb_env.enabled)
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{
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LOG_ERROR("blufi service added error.");
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return;
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}
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BTA_GATTS_CreateService(server_if, &uuid, inst, num_handle, true);
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}
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/*******************************************************************************
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**
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** Function blufi_env_clcb_alloc
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**
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** Description The function allocates a GATT profile connection link control block
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**
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** Returns NULL if not found. Otherwise pointer to the connection link block.
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**
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*******************************************************************************/
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tBLUFI_CLCB *blufi_env_clcb_alloc (UINT16 conn_id, BD_ADDR remote_bda)
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{
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tBLUFI_CLCB *p_clcb = NULL;
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p_clcb = &blufi_cb_env.clcb;
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if(!p_clcb->in_use)
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{
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p_clcb->in_use = TRUE;
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p_clcb->conn_id = conn_id;
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p_clcb->connected = TRUE;
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memcpy(p_clcb->remote_bda, remote_bda, BD_ADDR_LEN);
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LOG_ERROR("p_clcb->conn_id = %x\n", conn_id);
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}
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return p_clcb;
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}
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/*******************************************************************************
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**
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** Function blufi_env_find_conn_id_by_bd_adddr
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**
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** Description The function searches all LCB with macthing bd address
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**
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** Returns total number of clcb found.
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**
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*******************************************************************************/
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/*
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UINT16 blufi_env_find_conn_id_by_bd_adddr(BD_ADDR remote_bda)
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{
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UINT8 i_clcb;
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tBLUFI_CLCB *p_clcb = NULL;
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for(i_clcb = 0, p_clcb = &blufi_cb_env.clcb; i_clcb < BLUFIT_MAX_APPS; i_clcb++, p_clcb++)
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{
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if(p_clcb->in_use && p_clcb->connected && memcmp(p_clcb->remote_bda, remote_bda, BD_ADDR_LEN) == 0)
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{
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return p_clcb->conn_id;
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}
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}
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return GATT_INVALID_CONN_ID;
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}
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*/
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/*******************************************************************************
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**
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** Function blufi_env_clcb_dealloc
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**
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** Description The function deallocates a GATT profile connection link control block
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**
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** Returns True the deallocation is successful
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**
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*******************************************************************************/
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BOOLEAN blufi_env_clcb_dealloc(UINT16 conn_id)
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{
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// UINT8 i_clcb = 0;
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// tBLUFI_CLCB *p_clcb = NULL;
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return FALSE;
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}
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/*******************************************************************************
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**
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** Function blufi_init
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**
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** Description Initializa the GATT Service for blufi profiles.
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**
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*******************************************************************************/
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tGATT_STATUS blufi_profile_init (tBLUFI_CBACK *call_back)
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{
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tBT_UUID app_uuid = {LEN_UUID_16, {SVC_BLUFI_UUID}};
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if(blufi_cb_env.enabled)
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{
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LOG_ERROR("blufi svc already initaliezd");
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return GATT_ERROR;
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}
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else
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{
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memset(&blufi_cb_env,0,sizeof(tBLUFI_CB_ENV));
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}
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if(call_back != NULL)
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{
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blufi_cb_env.blufi_inst.blufi_cback = call_back;
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}
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/* register the blufi profile to the BTA_GATTS module*/
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BTA_GATTS_AppRegister(&app_uuid, blufi_profile_cb);
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return GATT_SUCCESS;
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}
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void blufi_msg_notify(UINT8 len, UINT8 *blufi_msg)
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{
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BOOLEAN conn_status = blufi_cb_env.clcb.connected;
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UINT16 conn_id = blufi_cb_env.clcb.conn_id;
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UINT16 attr_id = blufi_cb_env.blufi_inst.blufi_hdl;
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//notify rsp==false; indicate rsp==true.
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BOOLEAN rsp = false;
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if(!conn_status && blufi_cb_env.clcb.congest)
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{
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LOG_ERROR("the conneciton for blufi profile has been loss");
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return;
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}
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BTA_GATTS_HandleValueIndication (conn_id, attr_id, len,
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blufi_msg, rsp);
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}
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