// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include #include #include #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/event_groups.h" #include "esp_system.h" #include "esp_log.h" #include "nvs_flash.h" #include "bt.h" #include "bta_api.h" #include "esp_gap_ble_api.h" #include "esp_gatts_api.h" #include "esp_bt_defs.h" #include "esp_bt_main.h" #include "esp_bt_main.h" #include "sdkconfig.h" #define GATTS_TAG "GATTS_DEMO" ///Declare the static function static void gatts_profile_a_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param); static void gatts_profile_b_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param); #define GATTS_SERVICE_UUID_TEST_A 0x00FF #define GATTS_CHAR_UUID_TEST_A 0xFF01 #define GATTS_DESCR_UUID_TEST_A 0x3333 #define GATTS_NUM_HANDLE_TEST_A 4 #define GATTS_SERVICE_UUID_TEST_B 0x00EE #define GATTS_CHAR_UUID_TEST_B 0xEE01 #define GATTS_DESCR_UUID_TEST_B 0x2222 #define GATTS_NUM_HANDLE_TEST_B 4 #define TEST_DEVICE_NAME "ESP_GATTS_DEMO" #define TEST_MANUFACTURER_DATA_LEN 17 #define GATTS_DEMO_CHAR_VAL_LEN_MAX 0x40 uint8_t char1_str[] = {0x11,0x22,0x33}; esp_attr_value_t gatts_demo_char1_val = { .attr_max_len = GATTS_DEMO_CHAR_VAL_LEN_MAX, .attr_len = sizeof(char1_str), .attr_value = char1_str, }; #ifdef CONFIG_SET_RAW_ADV_DATA static uint8_t raw_adv_data[] = {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe}; static uint8_t raw_scan_rsp_data[] = {0x7, 0x7, 0x7, 0x7, 0x8, 0x8, 0x8, 0x8, 0x9, 0x9, 0x9, 0x9, 0xa, 0xa, 0xa, 0xa, 0xb, 0xb, 0xb, 0xb, 0xc, 0xc, 0xc, 0xc, 0xd, 0xd, 0xd, 0xd, 0xe, 0xe, 0xe}; #else static uint8_t test_service_uuid128[32] = { /* LSB <--------------------------------------------------------------------------------> MSB */ //first uuid, 16bit, [12],[13] is the value 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xAB, 0xCD, 0x00, 0x00, //second uuid, 32bit, [12], [13], [14], [15] is the value 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xAB, 0xCD, 0xAB, 0xCD, }; //static uint8_t test_manufacturer[TEST_MANUFACTURER_DATA_LEN] = {0x12, 0x23, 0x45, 0x56}; static esp_ble_adv_data_t test_adv_data = { .set_scan_rsp = false, .include_name = true, .include_txpower = true, .min_interval = 0x20, .max_interval = 0x40, .appearance = 0x00, .manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN, .p_manufacturer_data = NULL, //&test_manufacturer[0], .service_data_len = 0, .p_service_data = NULL, .service_uuid_len = 32, .p_service_uuid = test_service_uuid128, .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT), }; #endif /* CONFIG_SET_RAW_ADV_DATA */ static esp_ble_adv_params_t test_adv_params = { .adv_int_min = 0x20, .adv_int_max = 0x40, .adv_type = ADV_TYPE_IND, .own_addr_type = BLE_ADDR_TYPE_PUBLIC, //.peer_addr = //.peer_addr_type = .channel_map = ADV_CHNL_ALL, .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, }; #define PROFILE_NUM 2 #define PROFILE_A_APP_ID 0 #define PROFILE_B_APP_ID 1 struct gatts_profile_inst { esp_gatts_cb_t gatts_cb; uint16_t gatts_if; uint16_t app_id; uint16_t conn_id; uint16_t service_handle; esp_gatt_srvc_id_t service_id; uint16_t char_handle; esp_bt_uuid_t char_uuid; esp_gatt_perm_t perm; esp_gatt_char_prop_t property; uint16_t descr_handle; esp_bt_uuid_t descr_uuid; }; /* One gatt-based profile one app_id and one gatts_if, this array will store the gatts_if returned by ESP_GATTS_REG_EVT */ static struct gatts_profile_inst gl_profile_tab[PROFILE_NUM] = { [PROFILE_A_APP_ID] = { .gatts_cb = gatts_profile_a_event_handler, .gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */ }, [PROFILE_B_APP_ID] = { .gatts_cb = gatts_profile_b_event_handler, /* This demo does not implement, similar as profile A */ .gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */ }, }; static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) { switch (event) { case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT: esp_ble_gap_start_advertising(&test_adv_params); break; case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT: esp_ble_gap_start_advertising(&test_adv_params); break; case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT: esp_ble_gap_start_advertising(&test_adv_params); break; default: break; } } static void gatts_profile_a_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param) { switch (event) { case ESP_GATTS_REG_EVT: ESP_LOGI(GATTS_TAG, "REGISTER_APP_EVT, status %d, app_id %d\n", param->reg.status, param->reg.app_id); gl_profile_tab[PROFILE_A_APP_ID].service_id.is_primary = true; gl_profile_tab[PROFILE_A_APP_ID].service_id.id.inst_id = 0x00; gl_profile_tab[PROFILE_A_APP_ID].service_id.id.uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_A_APP_ID].service_id.id.uuid.uuid.uuid16 = GATTS_SERVICE_UUID_TEST_A; esp_ble_gap_set_device_name(TEST_DEVICE_NAME); #ifdef CONFIG_SET_RAW_ADV_DATA esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data)); esp_ble_gap_config_scan_rsp_data_raw(raw_scan_rsp_data, sizeof(raw_scan_rsp_data)); #else esp_ble_gap_config_adv_data(&test_adv_data); #endif esp_ble_gatts_create_service(gatts_if, &gl_profile_tab[PROFILE_A_APP_ID].service_id, GATTS_NUM_HANDLE_TEST_A); break; case ESP_GATTS_READ_EVT: { ESP_LOGI(GATTS_TAG, "GATT_READ_EVT, conn_id %d, trans_id %d, handle %d\n", param->read.conn_id, param->read.trans_id, param->read.handle); esp_gatt_rsp_t rsp; memset(&rsp, 0, sizeof(esp_gatt_rsp_t)); rsp.attr_value.handle = param->read.handle; rsp.attr_value.len = 4; rsp.attr_value.value[0] = 0xde; rsp.attr_value.value[1] = 0xed; rsp.attr_value.value[2] = 0xbe; rsp.attr_value.value[3] = 0xef; esp_ble_gatts_send_response(gatts_if, param->read.conn_id, param->read.trans_id, ESP_GATT_OK, &rsp); break; } case ESP_GATTS_WRITE_EVT: { ESP_LOGI(GATTS_TAG, "GATT_WRITE_EVT, conn_id %d, trans_id %d, handle %d\n", param->write.conn_id, param->write.trans_id, param->write.handle); ESP_LOGI(GATTS_TAG, "GATT_WRITE_EVT, value len %d, value %08x\n", param->write.len, *(uint32_t *)param->write.value); esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL); break; } case ESP_GATTS_EXEC_WRITE_EVT: case ESP_GATTS_MTU_EVT: case ESP_GATTS_CONF_EVT: case ESP_GATTS_UNREG_EVT: break; case ESP_GATTS_CREATE_EVT: ESP_LOGI(GATTS_TAG, "CREATE_SERVICE_EVT, status %d, service_handle %d\n", param->create.status, param->create.service_handle); gl_profile_tab[PROFILE_A_APP_ID].service_handle = param->create.service_handle; gl_profile_tab[PROFILE_A_APP_ID].char_uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_A_APP_ID].char_uuid.uuid.uuid16 = GATTS_CHAR_UUID_TEST_A; esp_ble_gatts_start_service(gl_profile_tab[PROFILE_A_APP_ID].service_handle); esp_ble_gatts_add_char(gl_profile_tab[PROFILE_A_APP_ID].service_handle, &gl_profile_tab[PROFILE_A_APP_ID].char_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_NOTIFY, &gatts_demo_char1_val, NULL); break; case ESP_GATTS_ADD_INCL_SRVC_EVT: break; case ESP_GATTS_ADD_CHAR_EVT: { uint16_t length = 0; const uint8_t *prf_char; ESP_LOGI(GATTS_TAG, "ADD_CHAR_EVT, status %d, attr_handle %d, service_handle %d\n", param->add_char.status, param->add_char.attr_handle, param->add_char.service_handle); gl_profile_tab[PROFILE_A_APP_ID].char_handle = param->add_char.attr_handle; gl_profile_tab[PROFILE_A_APP_ID].descr_uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_A_APP_ID].descr_uuid.uuid.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG; esp_ble_gatts_get_attr_value(param->add_char.attr_handle, &length, &prf_char); ESP_LOGI(GATTS_TAG, "the gatts demo char length = %x\n", length); for(int i = 0; i < length; i++){ ESP_LOGI(GATTS_TAG, "prf_char[%x] =%x\n",i,prf_char[i]); } esp_ble_gatts_add_char_descr(gl_profile_tab[PROFILE_A_APP_ID].service_handle, &gl_profile_tab[PROFILE_A_APP_ID].descr_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, NULL, NULL); break; } case ESP_GATTS_ADD_CHAR_DESCR_EVT: ESP_LOGI(GATTS_TAG, "ADD_DESCR_EVT, status %d, attr_handle %d, service_handle %d\n", param->add_char.status, param->add_char.attr_handle, param->add_char.service_handle); break; case ESP_GATTS_DELETE_EVT: break; case ESP_GATTS_START_EVT: ESP_LOGI(GATTS_TAG, "SERVICE_START_EVT, status %d, service_handle %d\n", param->start.status, param->start.service_handle); break; case ESP_GATTS_STOP_EVT: break; case ESP_GATTS_CONNECT_EVT: ESP_LOGI(GATTS_TAG, "SERVICE_START_EVT, conn_id %d, remote %02x:%02x:%02x:%02x:%02x:%02x:, is_conn %d\n", param->connect.conn_id, param->connect.remote_bda[0], param->connect.remote_bda[1], param->connect.remote_bda[2], param->connect.remote_bda[3], param->connect.remote_bda[4], param->connect.remote_bda[5], param->connect.is_connected); gl_profile_tab[PROFILE_A_APP_ID].conn_id = param->connect.conn_id; break; case ESP_GATTS_DISCONNECT_EVT: case ESP_GATTS_OPEN_EVT: case ESP_GATTS_CANCEL_OPEN_EVT: case ESP_GATTS_CLOSE_EVT: case ESP_GATTS_LISTEN_EVT: case ESP_GATTS_CONGEST_EVT: default: break; } } static void gatts_profile_b_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param) { switch (event) { case ESP_GATTS_REG_EVT: ESP_LOGI(GATTS_TAG, "REGISTER_APP_EVT, status %d, app_id %d\n", param->reg.status, param->reg.app_id); gl_profile_tab[PROFILE_B_APP_ID].service_id.is_primary = true; gl_profile_tab[PROFILE_B_APP_ID].service_id.id.inst_id = 0x00; gl_profile_tab[PROFILE_B_APP_ID].service_id.id.uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_B_APP_ID].service_id.id.uuid.uuid.uuid16 = GATTS_SERVICE_UUID_TEST_B; esp_ble_gatts_create_service(gatts_if, &gl_profile_tab[PROFILE_B_APP_ID].service_id, GATTS_NUM_HANDLE_TEST_B); break; case ESP_GATTS_READ_EVT: { ESP_LOGI(GATTS_TAG, "GATT_READ_EVT, conn_id %d, trans_id %d, handle %d\n", param->read.conn_id, param->read.trans_id, param->read.handle); esp_gatt_rsp_t rsp; memset(&rsp, 0, sizeof(esp_gatt_rsp_t)); rsp.attr_value.handle = param->read.handle; rsp.attr_value.len = 4; rsp.attr_value.value[0] = 0xde; rsp.attr_value.value[1] = 0xed; rsp.attr_value.value[2] = 0xbe; rsp.attr_value.value[3] = 0xef; esp_ble_gatts_send_response(gatts_if, param->read.conn_id, param->read.trans_id, ESP_GATT_OK, &rsp); break; } case ESP_GATTS_WRITE_EVT: { ESP_LOGI(GATTS_TAG, "GATT_WRITE_EVT, conn_id %d, trans_id %d, handle %d\n", param->write.conn_id, param->write.trans_id, param->write.handle); ESP_LOGI(GATTS_TAG, "GATT_WRITE_EVT, value len %d, value %08x\n", param->write.len, *(uint32_t *)param->write.value); esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL); break; } case ESP_GATTS_EXEC_WRITE_EVT: case ESP_GATTS_MTU_EVT: case ESP_GATTS_CONF_EVT: case ESP_GATTS_UNREG_EVT: break; case ESP_GATTS_CREATE_EVT: ESP_LOGI(GATTS_TAG, "CREATE_SERVICE_EVT, status %d, service_handle %d\n", param->create.status, param->create.service_handle); gl_profile_tab[PROFILE_B_APP_ID].service_handle = param->create.service_handle; gl_profile_tab[PROFILE_B_APP_ID].char_uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_B_APP_ID].char_uuid.uuid.uuid16 = GATTS_CHAR_UUID_TEST_B; esp_ble_gatts_start_service(gl_profile_tab[PROFILE_B_APP_ID].service_handle); esp_ble_gatts_add_char(gl_profile_tab[PROFILE_B_APP_ID].service_handle, &gl_profile_tab[PROFILE_B_APP_ID].char_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_NOTIFY, NULL, NULL); break; case ESP_GATTS_ADD_INCL_SRVC_EVT: break; case ESP_GATTS_ADD_CHAR_EVT: ESP_LOGI(GATTS_TAG, "ADD_CHAR_EVT, status %d, attr_handle %d, service_handle %d\n", param->add_char.status, param->add_char.attr_handle, param->add_char.service_handle); gl_profile_tab[PROFILE_B_APP_ID].char_handle = param->add_char.attr_handle; gl_profile_tab[PROFILE_B_APP_ID].descr_uuid.len = ESP_UUID_LEN_16; gl_profile_tab[PROFILE_B_APP_ID].descr_uuid.uuid.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG; esp_ble_gatts_add_char_descr(gl_profile_tab[PROFILE_B_APP_ID].service_handle, &gl_profile_tab[PROFILE_B_APP_ID].descr_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, NULL, NULL); break; case ESP_GATTS_ADD_CHAR_DESCR_EVT: ESP_LOGI(GATTS_TAG, "ADD_DESCR_EVT, status %d, attr_handle %d, service_handle %d\n", param->add_char.status, param->add_char.attr_handle, param->add_char.service_handle); break; case ESP_GATTS_DELETE_EVT: break; case ESP_GATTS_START_EVT: ESP_LOGI(GATTS_TAG, "SERVICE_START_EVT, status %d, service_handle %d\n", param->start.status, param->start.service_handle); break; case ESP_GATTS_STOP_EVT: break; case ESP_GATTS_CONNECT_EVT: ESP_LOGI(GATTS_TAG, "SERVICE_START_EVT, conn_id %d, remote %02x:%02x:%02x:%02x:%02x:%02x:, is_conn %d\n", param->connect.conn_id, param->connect.remote_bda[0], param->connect.remote_bda[1], param->connect.remote_bda[2], param->connect.remote_bda[3], param->connect.remote_bda[4], param->connect.remote_bda[5], param->connect.is_connected); gl_profile_tab[PROFILE_B_APP_ID].conn_id = param->connect.conn_id; break; case ESP_GATTS_DISCONNECT_EVT: case ESP_GATTS_OPEN_EVT: case ESP_GATTS_CANCEL_OPEN_EVT: case ESP_GATTS_CLOSE_EVT: case ESP_GATTS_LISTEN_EVT: case ESP_GATTS_CONGEST_EVT: default: break; } } static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param) { /* If event is register event, store the gatts_if for each profile */ if (event == ESP_GATTS_REG_EVT) { if (param->reg.status == ESP_GATT_OK) { gl_profile_tab[param->reg.app_id].gatts_if = gatts_if; } else { ESP_LOGI(GATTS_TAG, "Reg app failed, app_id %04x, status %d\n", param->reg.app_id, param->reg.status); return; } } /* If the gatts_if equal to profile A, call profile A cb handler, * so here call each profile's callback */ do { int idx; for (idx = 0; idx < PROFILE_NUM; idx++) { if (gatts_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */ gatts_if == gl_profile_tab[idx].gatts_if) { if (gl_profile_tab[idx].gatts_cb) { gl_profile_tab[idx].gatts_cb(event, gatts_if, param); } } } } while (0); } void app_main() { esp_err_t ret; esp_bt_controller_init(); ret = esp_bluedroid_init(); if (ret) { ESP_LOGE(GATTS_TAG, "%s init bluetooth failed\n", __func__); return; } ret = esp_bluedroid_enable(); if (ret) { ESP_LOGE(GATTS_TAG, "%s enable bluetooth failed\n", __func__); return; } esp_ble_gatts_register_callback(gatts_event_handler); esp_ble_gap_register_callback(gap_event_handler); esp_ble_gatts_app_register(PROFILE_A_APP_ID); esp_ble_gatts_app_register(PROFILE_B_APP_ID); return; }