/** **************************************************************************************** * * @file hid_le_prf.c * * @brief Application entry point * * Copyright (C) Espressif 2016 * Created by Yulong at 2016/9/7 * * **************************************************************************************** */ #include #include "hid_le_prf.h" #include "bta_gatt_api.h" #if (HIDD_LE_PROFILE_CFG) tHIDD_LE_ENV hidd_le_env; tBT_UUID char_info_uuid = {LEN_UUID_16, {CHAR_HID_INFO_UUID}}; tBT_UUID char_ctnl_pt_uuid = {LEN_UUID_16, {CHAR_HID_CTNL_PT_UUID}}; tBT_UUID char_report_map_uuid = {LEN_UUID_16, {CHAR_REPORT_MAP_UUID}}; tBT_UUID char_proto_mode_uuid = {LEN_UUID_16, {CHAR_PROTOCOL_MODE_UUID}}; tBT_UUID char_kb_in_report_uuid = {LEN_UUID_16, {CHAR_BOOT_KB_IN_REPORT_UUID}}; tBT_UUID char_kb_out_report_uuid = {LEN_UUID_16,{CHAR_BOOT_KB_OUT_REPORT_UUID}}; tBT_UUID char_mouse_in_report_uuid = {LEN_UUID_16,{CHAR_BOOT_MOUSE_IN_REPORT_UUID}}; /// Full HID device Database Description - Used to add attributes into the database const tCHAR_DESC hids_char_db[HIDD_LE_CHAR_MAX] = { // HID Information Characteristic Value [HIDD_LE_INFO_CHAR] = { &char_info_uuid, GATT_PERM_READ, GATT_CHAR_PROP_BIT_READ }, // HID Control Point Characteristic Value [HIDD_LE_CTNL_PT_CHAR] = { &char_ctnl_pt_uuid, GATT_PERM_WRITE, GATT_CHAR_PROP_BIT_WRITE_NR }, // Report Map Characteristic Value [HIDD_LE_REPORT_MAP_CHAR] = { &char_report_map_uuid, GATT_PERM_READ, GATT_CHAR_PROP_BIT_READ }, // Protocol Mode Characteristic Declaration [HIDD_LE_PROTO_MODE_CHAR] = { &char_proto_mode_uuid, GATT_PERM_READ, GATT_CHAR_PROP_BIT_READ, }, // Boot Keyboard Input Report Characteristic Value [HIDD_LE_BOOT_KB_IN_REPORT_CHAR] = { &char_kb_in_report_uuid, GATT_PERM_READ, (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY), }, // Boot Keyboard Output Report Characteristic Value [HIDD_LE_BOOT_KB_OUT_REPORT_CHAR] = { &char_kb_out_report_uuid, GATT_PERM_READ, (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_WRITE|GATT_CHAR_PROP_BIT_WRITE_NR) }, // Boot Mouse Input Report Characteristic Value [HIDD_LE_BOOT_MOUSE_IN_REPORT_CHAR] = { &char_mouse_in_report_uuid, GATT_PERM_READ, (GATT_CHAR_PROP_BIT_READ|GATT_CHAR_PROP_BIT_NOTIFY), }, }; //tBT_UUID hid_uuid = {LEN_UUID_16, {ATT_SVC_BUTTON}}; static void HID_AddCharacteristic(const tCHAR_DESC *char_desc); /***************************************************************************** ** Constants *****************************************************************************/ static void hidd_le_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data); /******************************************************************************* ** ** Function hidd_le_profile_cb ** ** Description the callback function after the hid device profile has been register to the BTA manager module ** ** Returns NULL ** *******************************************************************************/ static void HID_AddCharacteristic(const tCHAR_DESC *char_desc) { UINT16 service_id; if(char_desc == NULL) { LOG_ERROR("Invalid hid characteristic"); return; } //check the hid device serivce has been register to the data base or not if(!hidd_le_env.enabled) { LOG_ERROR("The hid device didn't register yet"); return; } //get the service id from the env whitch has been register service_id = hidd_le_env.hidd_clcb.cur_srvc_id; if(char_desc->char_uuid != 0x00) { // start added the charact to the data base BTA_GATTS_AddCharacteristic(service_id, char_desc->char_uuid, char_desc->perm, char_desc->prop); } } /******************************************************************************* ** ** Function hidd_le_profile_cb ** ** Description the callback function after the hid device profile has been register to the BTA manager module ** ** Returns NULL ** *******************************************************************************/ static void hidd_le_profile_cb(tBTA_GATTS_EVT event, tBTA_GATTS *p_data) { tBTA_GATTS_RSP rsp; tBT_UUID uuid = {LEN_UUID_16, {ATT_SVC_HID}}; static UINT8 hid_char_idx; tHIDD_CLCB *p_clcb = NULL; switch(event) { case BTA_GATTS_REG_EVT: //check the register of the hid device profile has been succeess or not if(p_data->reg_oper.status != BTA_GATT_OK) { LOG_ERROR("button profile register failed\n"); } //save the gatt interface in the hid device ENV hidd_le_env.gatt_if = p_data->reg_oper.server_if; //set the env flag to enable hidd_le_env.enabled = true; //create the hid device service to the service data base. if(p_data->reg_oper.uuid.uu.uuid16 == ATT_SVC_HID) { hidd_le_CreateService(true); } break; case BTA_GATTS_CREATE_EVT: if(p_data->create.uuid.uu.uuid16 == ATT_SVC_HID) { ///store the service id to the env hidd_le_env.hidd_clcb.cur_srvc_id = p_data->create.service_id; //start the button service after created BTA_GATTS_StartService(p_data->create.service_id,BTA_GATT_TRANSPORT_LE); hid_char_idx = HIDD_LE_INFO_CHAR; //added the info character to the data base. HID_AddCharacteristic(&hids_char_db[hid_char_idx]); hid_char_idx++; } break; case BTA_GATTS_ADD_INCL_SRVC_EVT: break; case BTA_GATTS_ADD_CHAR_EVT: if(hid_char_idx < HIDD_LE_CHAR_MAX) //added the characteristic until the index overflow { HID_AddCharacteristic(&hids_char_db[hid_char_idx]); if((p_data->add_result.char_uuid.uu.uuid16 == CHAR_BOOT_KB_IN_REPORT_UUID) || (p_data->add_result.char_uuid.uu.uuid16 == CHAR_BOOT_MOUSE_IN_REPORT_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; BTA_GATTS_AddCharDescriptor (hidd_le_env.hidd_clcb.cur_srvc_id, GATT_PERM_WRITE, &uuid); } } hid_char_idx++; break; case BTA_GATTS_ADD_CHAR_DESCR_EVT: 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); break; case BTA_GATTS_CONNECT_EVT: p_clcb = &hidd_le_env.hidd_clcb; if(!p_clcb->in_use) { p_clcb->in_use = TRUE; p_clcb->conn_id = p_data->conn.conn_id;; LOG_ERROR("hidd->conn_id = %x\n",p_data->conn.conn_id); p_clcb->connected = TRUE; memcpy(p_clcb->remote_bda, p_data->conn.remote_bda,BD_ADDR_LEN); } break; case BTA_GATTS_DISCONNECT_EVT: p_clcb = &hidd_le_env.hidd_clcb; //set the connection flag to true p_clcb->connected = false; p_clcb->in_use = TRUE; memset(p_clcb->remote_bda,0,BD_ADDR_LEN); break; case BTA_GATTS_START_EVT: break; case BTA_GATTS_CONGEST_EVT: if(hidd_le_env.hidd_clcb.connected && (hidd_le_env.hidd_clcb.conn_id == p_data->conn.conn_id)) { //set the connection channal congested flag to true hidd_le_env.hidd_clcb.congest = p_data->congest.congested; } break; default: break; } } /******************************************************************************* ** ** Function hidd_le_CreateService ** ** Description Create a Service for the hid device profile ** ** Parameters is_primary: this service is the primary service or not,true is the primary service ** false is not the primary service ** p_service_uuid: service UUID. ** ** Returns NULL ** *******************************************************************************/ void hidd_le_CreateService(BOOLEAN is_primary) { tBTA_GATTS_IF server_if ; tBT_UUID uuid = {LEN_UUID_16, {ATT_SVC_HID}}; //the number of the hid device attributes in the hid service. UINT16 num_handle = HIDD_LE_IDX_NB; UINT8 inst = 0x00; server_if = hidd_le_env.gatt_if; hidd_le_env.inst_id = inst; //start create the hid device service BTA_GATTS_CreateService(server_if,&uuid,inst,num_handle,is_primary); } /******************************************************************************* ** ** Function hidd_le_init ** ** Description Initializa the GATT Service for button profiles. ** Returns NULL *******************************************************************************/ tGATT_STATUS hidd_le_init (void) { tBT_UUID app_uuid = {LEN_UUID_16,{ATT_SVC_HID}}; if(hidd_le_env.enabled) { LOG_ERROR("hid device svc already initaliezd"); return GATT_ERROR; } else { memset(&hidd_le_env,0,sizeof(tHIDD_LE_ENV)); } /* register the hid deivce profile to the BTA_GATTS module*/ BTA_GATTS_AppRegister(&app_uuid,hidd_le_profile_cb); hidd_le_env.enabled = TRUE; return GATT_SUCCESS; } #endif ///HIDD_LE_PROFILE_CFG