/*************************************************************** * * * * This file is for battery service based on bta layer * * ***************************************************************/ #include #include #include #include //#include "bluedroid_test.h" #include "bta_api.h" #include "bta_gatt_api.h" #include "controller.h" #include "gatt_int.h" #include "bt_trace.h" #include "btm_api.h" #include "bt_types.h" #include "dis_api.h" #if BLE_INCLUDED == true #define BA_MAX_CHAR_NUM 1 #define BA_MAX_ATTR_NUM (BA_MAX_CHAR_NUM * 5 + 1) /*max 3 descriptors, 1 desclaration and 1 value*/ #ifndef BATTER_LEVEL_PROP #define BATTER_LEVEL_PROP (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY) #endif #ifndef BATTER_LEVEL_PERM #define BATTER_LEVEL_PERM (GATT_PERM_READ) #endif #define BT_BD_ADDR_STR "%02x:%02x:%02x:%02x:%02x:%02x" #define BT_BD_ADDR_HEX(addr) addr[0], addr[1], addr[2], addr[3], addr[4], addr[5] tBTA_GATTS_IF server_if; tBATTERY_CB battery_cb; tGATT_CHAR_PROP prop = GATT_CHAR_PROP_BIT_READ; tBA_REG_INFO ba_reg_info; UINT8 attr_handle_bit = 0x00; extern tDIS_CB dis_cb; tBT_UUID bas_uuid = {LEN_UUID_16, {UUID_SERVCLASS_BATTERY}}; /****************************************************************************** ** Function bas_gatts_callback ** ** Description battery service register callback function *******************************************************************************/ static void bas_gatts_callback(tBTA_GATTS_EVT event, tBTA_GATTS* p_data) { switch (event) { case BTA_GATTS_REG_EVT: { tBTA_GATT_STATUS status = p_data->reg_oper.status; server_if = p_data->reg_oper.server_if; LOG_ERROR("BAS register completed: event=%d, status=%d, server_if=%d\n", event, status, server_if); UINT8 app_id = 0xff; bas_init(server_if, app_id); tDIS_ATTR_MASK mask = 0x01ff; DIS_Init(server_if, mask); } break; /*connect callback*/ case BTA_GATTS_CONNECT_EVT: { LOG_ERROR("\ndevice is connected "BT_BD_ADDR_STR", server_if=%d,reason=0x%x,connect_id=%d\n", BT_BD_ADDR_HEX(p_data->conn.remote_bda), p_data->conn.server_if, p_data->conn.reason, p_data->conn.conn_id); /*return whether the remote device is currently connected*/ int is_connected = BTA_DmGetConnectionState(p_data->conn.remote_bda); LOG_ERROR("is_connected=%d\n",is_connected); } break; /*create service callback*/ case BTA_GATTS_CREATE_EVT: { LOG_ERROR("create service:server_if=%d,service_id=0x%x,service_uuid=0x%x\n", p_data->create.server_if, p_data->create.service_id, p_data->create.uuid.uu.uuid16); UINT16 service_uuid = p_data->create.uuid.uu.uuid16; UINT16 service_id = p_data->create.service_id; if (service_uuid == 0x180f) { tBT_UUID uuid = {LEN_UUID_16, {GATT_UUID_BATTERY_LEVEL}}; bas_AddChar(service_id, &uuid); } if (service_uuid == 0x180a) { dis_cb.service_handle = service_id; dis_cb.max_handle = service_id + DIS_MAX_ATTR_NUM; dis_AddChar(service_id); } } break; case BTA_GATTS_ADD_CHAR_EVT: { LOG_ERROR("create characteristic:server_if=%d,service_id=0x%x,char_uuid=0x%x\n", p_data->add_result.server_if, p_data->add_result.service_id, p_data->add_result.char_uuid.uu.uuid16); UINT16 char_uuid = p_data->add_result.char_uuid.uu.uuid16; UINT16 service_id = p_data->add_result.service_id; if(char_uuid == GATT_UUID_BATTERY_LEVEL) bas_AddCharDescr(service_id, p_data->add_result.attr_id); if(char_uuid == GATT_UUID_SYSTEM_ID | GATT_UUID_MODEL_NUMBER_STR | GATT_UUID_PNP_ID | GATT_UUID_SERIAL_NUMBER_STR | GATT_UUID_FW_VERSION_STR | GATT_UUID_HW_VERSION_STR | GATT_UUID_SW_VERSION_STR | GATT_UUID_MANU_NAME | GATT_UUID_IEEE_DATA) { switch (char_uuid) { case GATT_UUID_SYSTEM_ID: dis_cb.dis_attr[0].handle = service_id; break; case GATT_UUID_MODEL_NUMBER_STR: dis_cb.dis_attr[1].handle = service_id; break; case GATT_UUID_SERIAL_NUMBER_STR: dis_cb.dis_attr[2].handle = service_id; break; case GATT_UUID_FW_VERSION_STR: dis_cb.dis_attr[3].handle = service_id; break; case GATT_UUID_HW_VERSION_STR: dis_cb.dis_attr[4].handle = service_id; break; case GATT_UUID_SW_VERSION_STR: dis_cb.dis_attr[5].handle = service_id; break; case GATT_UUID_MANU_NAME: dis_cb.dis_attr[6].handle = service_id; break; case GATT_UUID_IEEE_DATA: dis_cb.dis_attr[7].handle = service_id; break; case GATT_UUID_PNP_ID: dis_cb.dis_attr[8].handle = service_id; break; } } } break; case BTA_GATTS_ADD_CHAR_DESCR_EVT: { LOG_ERROR("create descriptor:server_if=%d,service_id=0x%x,attr_id=0x%x,char_uuid=0x%x\n", p_data->add_result.server_if, p_data->add_result.service_id, p_data->add_result.attr_id, p_data->add_result.char_uuid.uu.uuid16); bas_AddCharDescr(p_data->add_result.service_id, p_data->add_result.attr_id); } break; case BTA_GATTS_START_EVT: { LOG_ERROR("start service:server_if=%d,service_id=0x%x\n", p_data->srvc_oper.server_if, p_data->srvc_oper.service_id); bas_service_cmpl(p_data->srvc_oper.service_id, p_data->srvc_oper.status); /*start advertising*/ //if(p_data->srvc_oper.status == GATT_SUCCESS) // BTA_GATTS_Listen(server_if, true, NULL); // BTA_GATTC_Broadcast(client_if, true); //non-connectable } break; case BTA_GATTS_READ_EVT: { UINT32 trans_id = p_data->req_data.trans_id; UINT16 conn_id = p_data->req_data.conn_id; UINT16 handle = p_data->req_data.p_data->read_req.handle; bool is_long = p_data->req_data.p_data->read_req.is_long; LOG_ERROR("read request:event=0x%x,handle=0x%x,trans_id=0x%x,conn_id=0x%x\n", event, handle, trans_id, conn_id); if (dis_valid_handle_range(handle)) { tGATT_VALUE p_value; p_value.handle = handle; p_value.conn_id = conn_id; p_value.offset = p_data->req_data.p_data->read_req.offset; dis_s_read_attr_value(p_data->req_data.p_data, &p_value, trans_id, conn_id); } else bas_s_read_attr_value(p_data->req_data.p_data, trans_id, conn_id); } break; case BTA_GATTS_WRITE_EVT: { UINT32 trans_id = p_data->req_data.trans_id; UINT16 conn_id = p_data->req_data.conn_id; UINT16 handle = p_data->req_data.p_data->write_req.handle; LOG_ERROR("write request:event=0x%x,handle=0x%x,trans_id=0x%x,conn_id=0x%x\n", event, handle, trans_id, conn_id); bas_s_write_attr_value(p_data->req_data.p_data, trans_id, conn_id, p_data->req_data.remote_bda); } break; case BTA_GATTS_EXEC_WRITE_EVT: { UINT32 trans_id = p_data->req_data.trans_id; UINT16 conn_id = p_data->req_data.conn_id; UINT8 exec_write = p_data->req_data.p_data->exec_write; LOG_ERROR("execute write request:event=0x%x,exce_write=0x%x,trans_id=0x%x,conn_id=0x%x\n", event, exec_write, trans_id, conn_id); } break; case BTA_GATTS_MTU_EVT: { UINT32 trans_id = p_data->req_data.trans_id; UINT16 conn_id = p_data->req_data.conn_id; UINT16 mtu = p_data->req_data.p_data->mtu; LOG_ERROR("exchange mtu request:event=0x%x,mtu=0x%x,trans_id=0x%x,conn_id=0x%x\n", event, mtu, trans_id, conn_id); } break; case BTA_GATTS_CONF_EVT: { UINT32 trans_id = p_data->req_data.trans_id; UINT16 conn_id = p_data->req_data.conn_id; LOG_ERROR("configue request:trans_id=0x%x,conn_id=0x%x\n", trans_id, conn_id); } break; default: LOG_ERROR("unsettled event: %d\n", event); } } /****************************************************************************** ** Function bas_callback ** ** Description battery service callback for client request *******************************************************************************/ static void bas_callback(UINT32 trans_id, UINT16 conn_id, UINT8 app_id, UINT8 event, tBA_WRITE_DATA *p_data) { tBA_RSP_DATA p_rsp; tGATT_STATUS st = GATT_SUCCESS; switch(event) { case BA_READ_LEVEL_REQ : { LOG_ERROR("read battery level\n"); p_rsp.ba_level = 60; //battery level Battery_Rsp(trans_id, conn_id, app_id, st, event, &p_rsp); } break; case BA_READ_PRE_FMT_REQ : { LOG_ERROR("read presentation format\n"); } break; case BA_READ_CLT_CFG_REQ : { LOG_ERROR("read client characteristic configuration request\n"); p_rsp.clt_cfg = 0x0001; //notification Battery_Rsp(trans_id, conn_id, app_id, st, event, &p_rsp); } break; case BA_READ_RPT_REF_REQ : { LOG_ERROR("read report reference descriptor\n"); } break; /*battery level notify*/ case BA_WRITE_CLT_CFG_REQ : { LOG_ERROR("write client characteristic configuration request\n"); Battery_Rsp(trans_id, conn_id, app_id, st, event, NULL); int battery_level = 50; Battery_Notify(conn_id, app_id, p_data->remote_bda, battery_level); } break; default: break; } return; } /***************************************************************************** ** Function bas_s_read_attr_value ** ** Description it will be called when client sends a read request ******************************************************************************/ void bas_s_read_attr_value(tGATTS_DATA *p_data, UINT32 trans_id, UINT16 conn_id) { tBA_INST *p_inst = &battery_cb.battery_inst[0]; UINT8 i; tGATT_STATUS st = GATT_NOT_FOUND; UINT16 handle = p_data->read_req.handle; for (i = 0; i < BA_MAX_INT_NUM; i ++, p_inst ++) { // read battery level if (handle == p_inst->ba_level_hdl || handle == p_inst->clt_cfg_hdl || handle == p_inst->rpt_ref_hdl || handle == p_inst->pres_fmt_hdl) { if (p_data->read_req.is_long) st = GATT_NOT_LONG; if (p_inst->p_cback) { if (handle == p_inst->ba_level_hdl) p_inst->pending_evt = BA_READ_LEVEL_REQ; if (handle == p_inst->clt_cfg_hdl) p_inst->pending_evt = BA_READ_CLT_CFG_REQ; if (handle == p_inst->pres_fmt_hdl) p_inst->pending_evt = BA_READ_PRE_FMT_REQ; if (handle == p_inst->rpt_ref_hdl) p_inst->pending_evt = BA_READ_RPT_REF_REQ ; // p_inst->pending_clcb_idx = clcb_idx; p_inst->pending_handle = handle; //act = SRVC_ACT_PENDING; (*p_inst->p_cback)(trans_id, conn_id, p_inst->app_id, p_inst->pending_evt, NULL); } else /* application is not registered */ st = GATT_ERR_UNLIKELY; break; } /* else attribute not found */ } } /***************************************************************************** ** Function bas_s_write_attr_value ** ** Description it will be called when client sends a write request ******************************************************************************/ void bas_s_write_attr_value(tGATTS_DATA *p_data, UINT32 trans_id, UINT16 conn_id, BD_ADDR bd_addr) { tBA_WRITE_DATA cfg; UINT8 *p = p_data->write_req.value; tBA_INST *p_inst = &battery_cb.battery_inst[0]; UINT8 i; tGATT_STATUS st = GATT_NOT_FOUND; UINT16 handle = p_data->write_req.handle; for (i = 0; i < BA_MAX_INT_NUM; i ++, p_inst ++) { if (handle == p_inst->clt_cfg_hdl) { memcpy(cfg.remote_bda, bd_addr, BD_ADDR_LEN); STREAM_TO_UINT16(cfg.clt_cfg, p); if (p_inst->p_cback) { p_inst->pending_evt = BA_WRITE_CLT_CFG_REQ; p_inst->pending_handle = handle; cfg.need_rsp = p_data->write_req.need_rsp; (*p_inst->p_cback)(trans_id, conn_id, p_inst->app_id, p_inst->pending_evt, &cfg); } else /* all other handle is not writable */ st = GATT_WRITE_NOT_PERMIT; break; } } } /*************************************************************** ** ** Function bas_register ** ** Description register app for battery service ** ****************************************************************/ void bas_register(void) { BTA_GATTS_AppRegister(&bas_uuid, bas_gatts_callback); } /*************************************************************** ** ** Function bas_init ** ** Description register battery service ** ****************************************************************/ void bas_init(tBTA_GATTS_IF gatt_if, UINT16 app_id) { tBA_INST *p_inst; ba_reg_info.is_pri = true; ba_reg_info.ba_level_descr = BA_LEVEL_NOTIFY; ba_reg_info.transport = GATT_TRANSPORT_LE; ba_reg_info.p_cback = bas_callback; if (battery_cb.inst_id == BA_MAX_INT_NUM) { GATT_TRACE_ERROR("MAX battery service has been reached\n"); return; } p_inst = &battery_cb.battery_inst[battery_cb.inst_id]; LOG_ERROR("create battery service\n"); LOG_ERROR("inst_id=%d\n", battery_cb.inst_id); BTA_GATTS_CreateService (gatt_if, &bas_uuid, battery_cb.inst_id , BA_MAX_ATTR_NUM, ba_reg_info.is_pri); battery_cb.inst_id ++; p_inst->app_id = app_id; p_inst->p_cback = ba_reg_info.p_cback; } /*************************************************************** ** ** Function bas_AddChar ** ** Description add characteristic for battery service ** ****************************************************************/ void bas_AddChar(UINT16 service_id, tBT_UUID *char_uuid) { if (ba_reg_info.ba_level_descr & BA_LEVEL_NOTIFY) prop |= GATT_CHAR_PROP_BIT_NOTIFY; attr_handle_bit = 0x01; BTA_GATTS_AddCharacteristic(service_id, char_uuid, BATTER_LEVEL_PERM, prop); } /*************************************************************** ** ** Function bas_AddCharDescr ** ** Description add descriptor for battery service if needed ** ****************************************************************/ void bas_AddCharDescr(UINT16 service_id, UINT16 attr_id) { tBT_UUID uuid; uuid.len = LEN_UUID_16; battery_cb.inst_id --; tBA_INST *p_inst = &battery_cb.battery_inst[battery_cb.inst_id++]; /*store the attribute handles*/ if(attr_handle_bit == 0x01) p_inst->ba_level_hdl = attr_id; else if(attr_handle_bit == 0x02) p_inst->clt_cfg_hdl = attr_id; else if(attr_handle_bit == 0x04) p_inst->pres_fmt_hdl = attr_id; else if(attr_handle_bit == 0x08) p_inst->rpt_ref_hdl = attr_id; if (ba_reg_info.ba_level_descr != 0) { if (ba_reg_info.ba_level_descr & BA_LEVEL_NOTIFY) { uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG; ba_reg_info.ba_level_descr &= 0xfe; attr_handle_bit = 0x02; BTA_GATTS_AddCharDescriptor(service_id, (GATT_PERM_READ|GATT_PERM_WRITE), &uuid); return; } /* need presentation format descriptor? */ if (ba_reg_info.ba_level_descr & BA_LEVEL_PRE_FMT) { uuid.uu.uuid16 = GATT_UUID_CHAR_PRESENT_FORMAT; BTA_GATTS_AddCharDescriptor(service_id, GATT_PERM_READ, &uuid); ba_reg_info.ba_level_descr &= 0xfd; attr_handle_bit = 0x04; return; } /* need report reference format descriptor? */ if (ba_reg_info.ba_level_descr & BA_LEVEL_RPT_REF) { uuid.uu.uuid16 = GATT_UUID_RPT_REF_DESCR; ba_reg_info.ba_level_descr &= 0xfb; BTA_GATTS_AddCharDescriptor(service_id, GATT_PERM_READ, &uuid); attr_handle_bit = 0x08; return; } } else BTA_GATTS_StartService(service_id, ba_reg_info.transport); } /*************************************************************** ** ** Function bas_service_cmpl ** ** Description create battery service complete ** ****************************************************************/ void bas_service_cmpl(UINT16 service_id, tBTA_GATT_STATUS status) { if(status != GATT_SUCCESS) { battery_cb.inst_id --; BTA_GATTS_DeleteService(service_id); } } /******************************************************************************* ** ** Function Battery_Rsp ** ** Description Respond to a battery service request ** *******************************************************************************/ void Battery_Rsp (UINT32 trans_id, UINT16 conn_id, UINT8 app_id, tGATT_STATUS st, UINT8 event, tBA_RSP_DATA *p_rsp) { tBA_INST *p_inst = &battery_cb.battery_inst[0]; tGATTS_RSP rsp; UINT8 *pp; UINT8 i = 0; while (i < BA_MAX_INT_NUM) { if (p_inst->app_id == app_id && p_inst->ba_level_hdl != 0) break; i ++; } if (i == BA_MAX_INT_NUM) return; memset(&rsp, 0, sizeof(tGATTS_RSP)); if (p_inst->pending_evt == event) { switch (event) { case BA_READ_CLT_CFG_REQ: rsp.attr_value.handle = p_inst->pending_handle; rsp.attr_value.len = 2; pp = rsp.attr_value.value; UINT16_TO_STREAM(pp, p_rsp->clt_cfg); BTA_GATTS_SendRsp(conn_id, trans_id, st, &rsp); //srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp); break; case BA_READ_LEVEL_REQ: rsp.attr_value.handle = p_inst->pending_handle; rsp.attr_value.len = 1; pp = rsp.attr_value.value; UINT8_TO_STREAM(pp, p_rsp->ba_level); BTA_GATTS_SendRsp(conn_id, trans_id, st, &rsp); //srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp); break; case BA_WRITE_CLT_CFG_REQ: BTA_GATTS_SendRsp(conn_id, trans_id, st, NULL); //srvc_sr_rsp(p_inst->pending_clcb_idx, st, NULL); break; case BA_READ_RPT_REF_REQ: rsp.attr_value.handle = p_inst->pending_handle; rsp.attr_value.len = 2; pp = rsp.attr_value.value; UINT8_TO_STREAM(pp, p_rsp->rpt_ref.rpt_id); UINT8_TO_STREAM(pp, p_rsp->rpt_ref.rpt_type); BTA_GATTS_SendRsp(conn_id, trans_id, st, &rsp); //srvc_sr_rsp(p_inst->pending_clcb_idx, st, &rsp); break; default: break; } // p_inst->pending_clcb_idx = 0; p_inst->pending_evt = 0; p_inst->pending_handle = 0; } return; } /******************************************************************************* ** ** Function Battery_Notify ** ** Description Send battery level notification ** *******************************************************************************/ void Battery_Notify (UINT16 conn_id, UINT8 app_id, BD_ADDR remote_bda, UINT8 battery_level) { tBA_INST *p_inst = &battery_cb.battery_inst[0]; UINT8 i = 0; while (i < BA_MAX_INT_NUM) { if (p_inst->app_id == app_id && p_inst->ba_level_hdl != 0) break; i ++; } if (i == BA_MAX_INT_NUM || p_inst->clt_cfg_hdl == 0) return; BTA_GATTS_HandleValueIndication(conn_id, p_inst->ba_level_hdl, 1, &battery_level, false); //srvc_sr_notify(remote_bda, p_inst->ba_level_hdl, 1, &battery_level); } #endif