226 lines
8.3 KiB
C
226 lines
8.3 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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// 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "bt.h"
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#include "bta_api.h"
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#include "esp_gap_ble_api.h"
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#include "esp_gatts_api.h"
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#include "esp_bt_defs.h"
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#include "esp_bt_main.h"
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#include "esp_bt_main.h"
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#define GATTS_SERVICE_UUID_TEST 0x00FF
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#define GATTS_CHAR_UUID_TEST 0xFF01
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#define GATTS_DESCR_UUID_TEST 0x3333
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#define APP_ID_TEST 0x18
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#define GATTS_NUM_HANDLE_TEST 4
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#define TEST_DEVICE_NAME "ESP_GATTS_DEMO"
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#define TEST_MANUFACTURER_DATA_LEN 17
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static uint8_t test_service_uuid128[32] = {
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/* LSB <--------------------------------------------------------------------------------> MSB */
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//first uuid, 16bit, [12],[13] is the value
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0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xAB, 0xCD, 0x00, 0x00,
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//second uuid, 32bit, [12], [13], [14], [15] is the value
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0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xAB, 0xCD, 0xAB, 0xCD,
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};
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//static uint8_t test_manufacturer[TEST_MANUFACTURER_DATA_LEN] = {0x12, 0x23, 0x45, 0x56};
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static esp_ble_adv_data_t test_adv_data = {
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.set_scan_rsp = false,
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.include_name = true,
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.include_txpower = true,
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.min_interval = 0x20,
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.max_interval = 0x40,
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.appearance = 0x00,
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.manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
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.p_manufacturer_data = NULL, //&test_manufacturer[0],
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.service_data_len = 0,
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.p_service_data = NULL,
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.service_uuid_len = 32,
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.p_service_uuid = test_service_uuid128,
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.flag = 0x2,
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};
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static esp_ble_adv_params_t test_adv_params = {
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.adv_int_min = 0x20,
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.adv_int_max = 0x40,
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.adv_type = ADV_TYPE_IND,
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.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
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//.peer_addr =
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//.peer_addr_type =
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.channel_map = ADV_CHNL_ALL,
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.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
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};
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struct gatts_test_inst {
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uint16_t gatt_if;
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uint16_t app_id;
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uint16_t conn_id;
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uint16_t service_handle;
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esp_gatt_srvc_id_t service_id;
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uint16_t char_handle;
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esp_bt_uuid_t char_uuid;
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esp_gatt_perm_t perm;
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esp_gatt_char_prop_t property;
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uint16_t descr_handle;
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esp_bt_uuid_t descr_uuid;
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};
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static struct gatts_test_inst gl_test;
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static void gap_event_handler(uint32_t event, void *param)
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{
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LOG_ERROR("GAP_EVT, event %d\n", event);
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switch (event) {
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case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
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esp_ble_gap_start_advertising(&test_adv_params);
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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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static void gatts_event_handler(uint32_t event, void *param)
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{
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esp_ble_gatts_cb_param_t *p = (esp_ble_gatts_cb_param_t *)param;
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switch (event) {
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case ESP_GATTS_REG_EVT:
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LOG_INFO("REGISTER_APP_EVT, status %d, gatt_if %d, app_id %d\n", p->reg.status, p->reg.gatt_if, p->reg.app_id);
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gl_test.gatt_if = p->reg.gatt_if;
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gl_test.service_id.is_primary = true;
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gl_test.service_id.id.inst_id = 0x00;
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gl_test.service_id.id.uuid.len = ESP_UUID_LEN_16;
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gl_test.service_id.id.uuid.uuid.uuid16 = GATTS_SERVICE_UUID_TEST;
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esp_ble_gap_set_device_name(TEST_DEVICE_NAME);
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esp_ble_gap_config_adv_data(&test_adv_data);
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esp_ble_gatts_create_service(gl_test.gatt_if, &gl_test.service_id, GATTS_NUM_HANDLE_TEST);
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break;
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case ESP_GATTS_READ_EVT: {
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LOG_INFO("GATT_READ_EVT, conn_id %d, trans_id %d, handle %d\n", p->read.conn_id, p->read.trans_id, p->read.handle);
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esp_gatt_rsp_t rsp;
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memset(&rsp, 0, sizeof(esp_gatt_rsp_t));
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rsp.attr_value.handle = p->read.handle;
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rsp.attr_value.len = 4;
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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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esp_ble_gatts_send_response(p->read.conn_id, p->read.trans_id,
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ESP_GATT_OK, &rsp);
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break;
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}
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case ESP_GATTS_WRITE_EVT: {
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LOG_INFO("GATT_WRITE_EVT, conn_id %d, trans_id %d, handle %d\n", p->write.conn_id, p->write.trans_id, p->write.handle);
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LOG_INFO("GATT_WRITE_EVT, value len %d, value %08x\n", p->write.len, *(uint32_t *)p->write.value);
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esp_ble_gatts_send_response(p->write.conn_id, p->write.trans_id, ESP_GATT_OK, NULL);
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break;
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}
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case ESP_GATTS_EXEC_WRITE_EVT:
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case ESP_GATTS_MTU_EVT:
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case ESP_GATTS_CONF_EVT:
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case ESP_GATTS_UNREG_EVT:
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break;
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case ESP_GATTS_CREATE_EVT:
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LOG_INFO("CREATE_SERVICE_EVT, status %d, gatt_if %d, service_handle %d\n", p->create.status, p->create.gatt_if, p->create.service_handle);
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gl_test.service_handle = p->create.service_handle;
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gl_test.char_uuid.len = ESP_UUID_LEN_16;
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gl_test.char_uuid.uuid.uuid16 = GATTS_CHAR_UUID_TEST;
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esp_ble_gatts_start_service(gl_test.service_handle);
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esp_ble_gatts_add_char(gl_test.service_handle, &gl_test.char_uuid,
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ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
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ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_NOTIFY);
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break;
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case ESP_GATTS_ADD_INCL_SRVC_EVT:
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break;
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case ESP_GATTS_ADD_CHAR_EVT:
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LOG_INFO("ADD_CHAR_EVT, status %d, gatt_if %d, attr_handle %d, service_handle %d\n",
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p->add_char.status, p->add_char.gatt_if, p->add_char.attr_handle, p->add_char.service_handle);
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gl_test.char_handle = p->add_char.attr_handle;
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gl_test.descr_uuid.len = ESP_UUID_LEN_16;
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gl_test.descr_uuid.uuid.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
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esp_ble_gatts_add_char_descr(gl_test.service_handle, &gl_test.descr_uuid,
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ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE);
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break;
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case ESP_GATTS_ADD_CHAR_DESCR_EVT:
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LOG_INFO("ADD_DESCR_EVT, status %d, gatt_if %d, attr_handle %d, service_handle %d\n",
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p->add_char.status, p->add_char.gatt_if, p->add_char.attr_handle, p->add_char.service_handle);
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break;
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case ESP_GATTS_DELETE_EVT:
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break;
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case ESP_GATTS_START_EVT:
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LOG_INFO("SERVICE_START_EVT, status %d, gatt_if %d, service_handle %d\n",
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p->start.status, p->start.gatt_if, p->start.service_handle);
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break;
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case ESP_GATTS_STOP_EVT:
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break;
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case ESP_GATTS_CONNECT_EVT:
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LOG_INFO("SERVICE_START_EVT, conn_id %d, gatt_if %d, remote %02x:%02x:%02x:%02x:%02x:%02x:, is_conn %d\n",
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p->connect.conn_id, p->connect.gatt_if,
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p->connect.remote_bda[0], p->connect.remote_bda[1], p->connect.remote_bda[2],
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p->connect.remote_bda[3], p->connect.remote_bda[4], p->connect.remote_bda[5],
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p->connect.is_connected);
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gl_test.conn_id = p->connect.conn_id;
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break;
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case ESP_GATTS_DISCONNECT_EVT:
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case ESP_GATTS_OPEN_EVT:
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case ESP_GATTS_CANCEL_OPEN_EVT:
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case ESP_GATTS_CLOSE_EVT:
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case ESP_GATTS_LISTEN_EVT:
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case ESP_GATTS_CONGEST_EVT:
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default:
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break;
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}
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}
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void app_main()
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{
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esp_err_t ret;
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bt_controller_init();
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LOG_INFO("%s init bluetooth\n", __func__);
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ret = esp_init_bluetooth();
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if (ret) {
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LOG_ERROR("%s init bluetooth failed\n", __func__);
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return;
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}
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ret = esp_enable_bluetooth();
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if (ret) {
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LOG_ERROR("%s enable bluetooth failed\n", __func__);
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return;
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}
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esp_ble_gatts_register_callback(gatts_event_handler);
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esp_ble_gap_register_callback(gap_event_handler);
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esp_ble_gatts_app_register(GATTS_SERVICE_UUID_TEST);
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return;
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}
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