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