mirror of
https://github.com/espressif/esp-idf.git
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400 lines
12 KiB
C
400 lines
12 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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#include "blufi_adv.h"
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#define BT_BD_ADDR_STR "%02x:%02x:%02x:%02x:%02x:%02x"
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#define BT_BD_ADDR_HEX(addr) addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]
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void blufi_config_success(void);
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void blufi_config_failed(void);
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UINT16 esp32_uuid = SVC_BLUFI_UUID;
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UINT8 esp32_manu[17] = {0xff,0x20,0x14,0x07,0x22,0x00,0x02,0x5B,0x00,0x33,0x49,0x31,0x30,0x4a,0x30,0x30,0x31};
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tBTA_BLE_MANU p_esp32_manu = {sizeof(esp32_manu),esp32_manu}; /* manufacturer data */
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tBTA_BLE_SERVICE esp32_service = {
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0x01, //only one service in the ijiazu button profile
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false,
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&esp32_uuid
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}; /* 16 bits services */
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tBLUFI_BLE_ADV_DATA esp32_adv_data[ADV_SCAN_IDX_MAX] =
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{
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[BLE_ADV_DATA_IDX] = {
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.adv_name = "Espressif_008",
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{
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{0,0},
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NULL, //no manufature data to be setting in the esp32 adervetisiing datas
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&esp32_service,
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NULL, //the 128 bits service uuid set to null(not used)
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NULL, //the 32 bits Service UUID set to null(not used)
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NULL, //16 bits services Solicitation UUIDs set to null(not used)
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NULL, //List of 32 bit Service Solicitation UUIDs set to null(not used)
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NULL, //List of 128 bit Service Solicitation UUIDs set to null(not used)
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NULL, //proprietary data set to null(not used)
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NULL, //service data set not null(no service data to be sent)
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0x0200, //device type : generic display
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BTA_DM_GENERAL_DISC, // General discoverable.
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0xFE //the tx power value,defult value is 0
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},
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},
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[BLE_SCAN_RSP_DATA_IDX] = {
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.adv_name = NULL,
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{
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{0,0},
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&p_esp32_manu,
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NULL,
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NULL, //the 128 bits service uuid set to null(not used)
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NULL, //the 32 bits Service UUID set to null(not used)
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NULL, //16 bits services Solicitation UUIDs set to null(not used)
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NULL, //List of 32 bit Service Solicitation UUIDs set to null(not used)
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NULL, //List of 128 bit Service Solicitation UUIDs set to null(not used)
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NULL, //proprietary data set to null(not used)
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NULL, //service data set not null(no service data to be sent)
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0x0000, //device type : generic display
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0x00, // General discoverable.
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0x00}, //the tx power value,defult value is 0
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}
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};
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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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tBTA_GATT_STATUS status;
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LOG_DEBUG("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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status = p_data->reg_oper.status;
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LOG_DEBUG("p_data->reg_oper.status = %x\n",p_data->reg_oper.status);
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LOG_DEBUG("(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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LOG_DEBUG("register complete: event=%d, status=%d, server_if=%d\n",
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event, status, blufi_cb_env.gatt_if);
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LOG_DEBUG("set advertising parameters\n");
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//set the advertising data to the btm layer
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BlufiBleConfigadvData(&esp32_adv_data[BLE_ADV_DATA_IDX], NULL);
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//set the adversting data to the btm layer
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BlufiBleSetScanRsp(&esp32_adv_data[BLE_SCAN_RSP_DATA_IDX],NULL);
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BTA_GATTS_Listen(blufi_cb_env.gatt_if, true, NULL);
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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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//rsp.attr_value.value[0] = 0xde;
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//rsp.attr_value.value[1] = 0xed;
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//rsp.attr_value.value[2] = 0xbe;
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//rsp.attr_value.value[3] = 0xef;
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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_DEBUG("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_DEBUG("%x",p_data->req_data.p_data->write_req.value[i]);
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}
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LOG_DEBUG("\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 | GATT_CHAR_PROP_BIT_NOTIFY));
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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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//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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uuid.uu.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG;
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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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break;
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case BTA_GATTS_ADD_CHAR_DESCR_EVT:
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/* Nothing */
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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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LOG_DEBUG("\ndevice is connected "BT_BD_ADDR_STR", server_if=%d,reason=0x%x,connect_id=%d\n",
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BT_BD_ADDR_HEX(p_data->conn.remote_bda), p_data->conn.server_if,
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p_data->conn.reason, p_data->conn.conn_id);
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/*return whether the remote device is currently connected*/
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int is_connected = BTA_DmGetConnectionState(p_data->conn.remote_bda);
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LOG_DEBUG("is_connected=%d\n",is_connected);
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BTA_DmBleBroadcast(0); //stop adv
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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 *blufi_msg, UINT8 len)
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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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void blufi_config_success(void)
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{
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uint8_t *success_msg = "BLUFI_CONFIG_OK";
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blufi_msg_notify(success_msg, strlen(success_msg));
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}
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void blufi_config_failed(void)
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{
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uint8_t *failed_msg = "BLUFI_CONFIG_FAILED";
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blufi_msg_notify(failed_msg, strlen(failed_msg));
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}
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