1 // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 /****************************************************************************
17 * This file is for gatt server. It can send adv data, be connected by client.
18 * Run the gatt_client demo, the client demo will automatically connect to the gatt_server_service_table demo.
19 * Client demo will enable gatt_server_service_table's notify after connection. Then two devices will exchange
22 ****************************************************************************/
25 #include "freertos/FreeRTOS.h"
26 #include "freertos/task.h"
27 #include "freertos/event_groups.h"
28 #include "esp_system.h"
30 #include "nvs_flash.h"
33 #include "esp_gap_ble_api.h"
34 #include "esp_gatts_api.h"
35 #include "esp_bt_main.h"
36 #include "gatts_table_creat_demo.h"
37 #include "esp_gatt_common_api.h"
39 #define GATTS_TABLE_TAG "GATTS_TABLE_DEMO"
42 #define PROFILE_APP_IDX 0
43 #define ESP_APP_ID 0x55
44 #define SAMPLE_DEVICE_NAME "ESP_GATTS_DEMO"
47 #define GATTS_DEMO_CHAR_VAL_LEN_MAX 100
48 #define PREPARE_BUF_MAX_SIZE 1024
49 #define CHAR_DECLARATION_SIZE (sizeof(uint8_t))
51 #define ADV_CONFIG_FLAG (1 << 0)
52 #define SCAN_RSP_CONFIG_FLAG (1 << 1)
54 static uint8_t adv_config_done = 0;
56 uint16_t heart_rate_handle_table[HRS_IDX_NB];
63 static prepare_type_env_t prepare_write_env;
65 #define CONFIG_SET_RAW_ADV_DATA
66 #ifdef CONFIG_SET_RAW_ADV_DATA
67 static uint8_t raw_adv_data[] = {
73 0x03, 0x03, 0xFF, 0x00,
75 0x0f, 0x09, 'E', 'S', 'P', '_', 'G', 'A', 'T', 'T', 'S', '_', 'D','E', 'M', 'O'
77 static uint8_t raw_scan_rsp_data[] = {
87 static uint8_t service_uuid[16] = {
88 /* LSB <--------------------------------------------------------------------------------> MSB */
89 //first uuid, 16bit, [12],[13] is the value
90 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
93 /* The length of adv data must be less than 31 bytes */
94 static esp_ble_adv_data_t adv_data = {
95 .set_scan_rsp = false,
97 .include_txpower = true,
101 .manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
102 .p_manufacturer_data = NULL, //test_manufacturer,
103 .service_data_len = 0,
104 .p_service_data = NULL,
105 .service_uuid_len = sizeof(service_uuid),
106 .p_service_uuid = service_uuid,
107 .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
110 // scan response data
111 static esp_ble_adv_data_t scan_rsp_data = {
112 .set_scan_rsp = true,
113 .include_name = true,
114 .include_txpower = true,
115 .min_interval = 0x20,
116 .max_interval = 0x40,
118 .manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
119 .p_manufacturer_data = NULL, //&test_manufacturer[0],
120 .service_data_len = 0,
121 .p_service_data = NULL,
122 .service_uuid_len = 16,
123 .p_service_uuid = service_uuid,
124 .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
126 #endif /* CONFIG_SET_RAW_ADV_DATA */
128 static esp_ble_adv_params_t adv_params = {
131 .adv_type = ADV_TYPE_IND,
132 .own_addr_type = BLE_ADDR_TYPE_PUBLIC,
133 .channel_map = ADV_CHNL_ALL,
134 .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
137 struct gatts_profile_inst {
138 esp_gatts_cb_t gatts_cb;
142 uint16_t service_handle;
143 esp_gatt_srvc_id_t service_id;
144 uint16_t char_handle;
145 esp_bt_uuid_t char_uuid;
146 esp_gatt_perm_t perm;
147 esp_gatt_char_prop_t property;
148 uint16_t descr_handle;
149 esp_bt_uuid_t descr_uuid;
152 static void gatts_profile_event_handler(esp_gatts_cb_event_t event,
153 esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
155 /* One gatt-based profile one app_id and one gatts_if, this array will store the gatts_if returned by ESP_GATTS_REG_EVT */
156 static struct gatts_profile_inst heart_rate_profile_tab[PROFILE_NUM] = {
157 [PROFILE_APP_IDX] = {
158 .gatts_cb = gatts_profile_event_handler,
159 .gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
164 static const uint16_t GATTS_SERVICE_UUID_TEST = 0x00FF;
165 static const uint16_t GATTS_CHAR_UUID_TEST_A = 0xFF01;
166 static const uint16_t GATTS_CHAR_UUID_TEST_B = 0xFF02;
167 static const uint16_t GATTS_CHAR_UUID_TEST_C = 0xFF03;
169 static const uint16_t primary_service_uuid = ESP_GATT_UUID_PRI_SERVICE;
170 static const uint16_t character_declaration_uuid = ESP_GATT_UUID_CHAR_DECLARE;
171 static const uint16_t character_client_config_uuid = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
172 static const uint8_t char_prop_read = ESP_GATT_CHAR_PROP_BIT_READ;
173 static const uint8_t char_prop_write = ESP_GATT_CHAR_PROP_BIT_WRITE;
174 static const uint8_t char_prop_read_write_notify = ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
175 static const uint8_t heart_measurement_ccc[2] = {0x00, 0x00};
176 static const uint8_t char_value[4] = {0x11, 0x22, 0x33, 0x44};
179 /* Full Database Description - Used to add attributes into the database */
180 static const esp_gatts_attr_db_t gatt_db[HRS_IDX_NB] =
182 // Service Declaration
184 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ,
185 sizeof(uint16_t), sizeof(GATTS_SERVICE_UUID_TEST), (uint8_t *)&GATTS_SERVICE_UUID_TEST}},
187 /* Characteristic Declaration */
189 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
190 CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write_notify}},
192 /* Characteristic Value */
194 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&GATTS_CHAR_UUID_TEST_A, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
195 GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
197 /* Client Characteristic Configuration Descriptor */
199 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
200 sizeof(uint16_t), sizeof(heart_measurement_ccc), (uint8_t *)heart_measurement_ccc}},
202 /* Characteristic Declaration */
204 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
205 CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read}},
207 /* Characteristic Value */
209 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&GATTS_CHAR_UUID_TEST_B, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
210 GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
212 /* Characteristic Declaration */
214 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
215 CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_write}},
217 /* Characteristic Value */
219 {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&GATTS_CHAR_UUID_TEST_C, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
220 GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
224 static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
227 #ifdef CONFIG_SET_RAW_ADV_DATA
228 case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
229 adv_config_done &= (~ADV_CONFIG_FLAG);
230 if (adv_config_done == 0){
231 esp_ble_gap_start_advertising(&adv_params);
234 case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
235 adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
236 if (adv_config_done == 0){
237 esp_ble_gap_start_advertising(&adv_params);
241 case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
242 adv_config_done &= (~ADV_CONFIG_FLAG);
243 if (adv_config_done == 0){
244 esp_ble_gap_start_advertising(&adv_params);
247 case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
248 adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
249 if (adv_config_done == 0){
250 esp_ble_gap_start_advertising(&adv_params);
254 case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
255 /* advertising start complete event to indicate advertising start successfully or failed */
256 if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
257 ESP_LOGE(GATTS_TABLE_TAG, "advertising start failed");
259 ESP_LOGI(GATTS_TABLE_TAG, "advertising start successfully");
262 case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
263 if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS) {
264 ESP_LOGE(GATTS_TABLE_TAG, "Advertising stop failed");
267 ESP_LOGI(GATTS_TABLE_TAG, "Stop adv successfully\n");
270 case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
271 ESP_LOGI(GATTS_TABLE_TAG, "update connetion params status = %d, min_int = %d, max_int = %d,conn_int = %d,latency = %d, timeout = %d",
272 param->update_conn_params.status,
273 param->update_conn_params.min_int,
274 param->update_conn_params.max_int,
275 param->update_conn_params.conn_int,
276 param->update_conn_params.latency,
277 param->update_conn_params.timeout);
284 void example_prepare_write_event_env(esp_gatt_if_t gatts_if, prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param)
286 ESP_LOGI(GATTS_TABLE_TAG, "prepare write, handle = %d, value len = %d", param->write.handle, param->write.len);
287 esp_gatt_status_t status = ESP_GATT_OK;
288 if (prepare_write_env->prepare_buf == NULL) {
289 prepare_write_env->prepare_buf = (uint8_t *)malloc(PREPARE_BUF_MAX_SIZE * sizeof(uint8_t));
290 prepare_write_env->prepare_len = 0;
291 if (prepare_write_env->prepare_buf == NULL) {
292 ESP_LOGE(GATTS_TABLE_TAG, "%s, Gatt_server prep no mem", __func__);
293 status = ESP_GATT_NO_RESOURCES;
296 if(param->write.offset > PREPARE_BUF_MAX_SIZE) {
297 status = ESP_GATT_INVALID_OFFSET;
298 } else if ((param->write.offset + param->write.len) > PREPARE_BUF_MAX_SIZE) {
299 status = ESP_GATT_INVALID_ATTR_LEN;
302 /*send response when param->write.need_rsp is true */
303 if (param->write.need_rsp){
304 esp_gatt_rsp_t *gatt_rsp = (esp_gatt_rsp_t *)malloc(sizeof(esp_gatt_rsp_t));
305 if (gatt_rsp != NULL){
306 gatt_rsp->attr_value.len = param->write.len;
307 gatt_rsp->attr_value.handle = param->write.handle;
308 gatt_rsp->attr_value.offset = param->write.offset;
309 gatt_rsp->attr_value.auth_req = ESP_GATT_AUTH_REQ_NONE;
310 memcpy(gatt_rsp->attr_value.value, param->write.value, param->write.len);
311 esp_err_t response_err = esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, status, gatt_rsp);
312 if (response_err != ESP_OK){
313 ESP_LOGE(GATTS_TABLE_TAG, "Send response error");
317 ESP_LOGE(GATTS_TABLE_TAG, "%s, malloc failed", __func__);
320 if (status != ESP_GATT_OK){
323 memcpy(prepare_write_env->prepare_buf + param->write.offset,
326 prepare_write_env->prepare_len += param->write.len;
330 void example_exec_write_event_env(prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param){
331 if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC && prepare_write_env->prepare_buf){
332 esp_log_buffer_hex(GATTS_TABLE_TAG, prepare_write_env->prepare_buf, prepare_write_env->prepare_len);
334 ESP_LOGI(GATTS_TABLE_TAG,"ESP_GATT_PREP_WRITE_CANCEL");
336 if (prepare_write_env->prepare_buf) {
337 free(prepare_write_env->prepare_buf);
338 prepare_write_env->prepare_buf = NULL;
340 prepare_write_env->prepare_len = 0;
343 static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
346 case ESP_GATTS_REG_EVT:{
347 esp_err_t set_dev_name_ret = esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME);
348 if (set_dev_name_ret){
349 ESP_LOGE(GATTS_TABLE_TAG, "set device name failed, error code = %x", set_dev_name_ret);
351 #ifdef CONFIG_SET_RAW_ADV_DATA
352 esp_err_t raw_adv_ret = esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data));
354 ESP_LOGE(GATTS_TABLE_TAG, "config raw adv data failed, error code = %x ", raw_adv_ret);
356 adv_config_done |= ADV_CONFIG_FLAG;
357 esp_err_t raw_scan_ret = esp_ble_gap_config_scan_rsp_data_raw(raw_scan_rsp_data, sizeof(raw_scan_rsp_data));
359 ESP_LOGE(GATTS_TABLE_TAG, "config raw scan rsp data failed, error code = %x", raw_scan_ret);
361 adv_config_done |= SCAN_RSP_CONFIG_FLAG;
364 esp_err_t ret = esp_ble_gap_config_adv_data(&adv_data);
366 ESP_LOGE(GATTS_TABLE_TAG, "config adv data failed, error code = %x", ret);
368 adv_config_done |= ADV_CONFIG_FLAG;
369 //config scan response data
370 ret = esp_ble_gap_config_adv_data(&scan_rsp_data);
372 ESP_LOGE(GATTS_TABLE_TAG, "config scan response data failed, error code = %x", ret);
374 adv_config_done |= SCAN_RSP_CONFIG_FLAG;
376 esp_err_t create_attr_ret = esp_ble_gatts_create_attr_tab(gatt_db, gatts_if, HRS_IDX_NB, SVC_INST_ID);
377 if (create_attr_ret){
378 ESP_LOGE(GATTS_TABLE_TAG, "create attr table failed, error code = %x", create_attr_ret);
382 case ESP_GATTS_READ_EVT:
383 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_READ_EVT");
385 case ESP_GATTS_WRITE_EVT:
386 if (!param->write.is_prep){
387 ESP_LOGI(GATTS_TABLE_TAG, "GATT_WRITE_EVT, handle = %d, value len = %d, value :", param->write.handle, param->write.len);
388 esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
389 if (heart_rate_handle_table[IDX_CHAR_CFG_A] == param->write.handle && param->write.len == 2){
390 uint16_t descr_value = param->write.value[1]<<8 | param->write.value[0];
391 if (descr_value == 0x0001){
392 ESP_LOGI(GATTS_TABLE_TAG, "notify enable");
393 uint8_t notify_data[15];
394 for (int i = 0; i < sizeof(notify_data); ++i)
396 notify_data[i] = i % 0xff;
398 //the size of notify_data[] need less than MTU size
399 esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
400 sizeof(notify_data), notify_data, false);
401 }else if (descr_value == 0x0002){
402 ESP_LOGI(GATTS_TABLE_TAG, "indicate enable");
403 uint8_t indicate_data[15];
404 for (int i = 0; i < sizeof(indicate_data); ++i)
406 indicate_data[i] = i % 0xff;
408 //the size of indicate_data[] need less than MTU size
409 esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
410 sizeof(indicate_data), indicate_data, true);
412 else if (descr_value == 0x0000){
413 ESP_LOGI(GATTS_TABLE_TAG, "notify/indicate disable ");
415 ESP_LOGE(GATTS_TABLE_TAG, "unknown descr value");
416 esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
420 /* send response when param->write.need_rsp is true*/
421 if (param->write.need_rsp){
422 esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
425 /* handle prepare write */
426 example_prepare_write_event_env(gatts_if, &prepare_write_env, param);
429 case ESP_GATTS_EXEC_WRITE_EVT:
430 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_EXEC_WRITE_EVT");
431 example_exec_write_event_env(&prepare_write_env, param);
433 case ESP_GATTS_MTU_EVT:
434 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_MTU_EVT, MTU %d", param->mtu.mtu);
436 case ESP_GATTS_CONF_EVT:
437 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONF_EVT, status = %d", param->conf.status);
439 case ESP_GATTS_START_EVT:
440 ESP_LOGI(GATTS_TABLE_TAG, "SERVICE_START_EVT, status %d, service_handle %d", param->start.status, param->start.service_handle);
442 case ESP_GATTS_CONNECT_EVT:
443 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONNECT_EVT, conn_id = %d", param->connect.conn_id);
444 esp_log_buffer_hex(GATTS_TABLE_TAG, param->connect.remote_bda, 6);
445 esp_ble_conn_update_params_t conn_params = {0};
446 memcpy(conn_params.bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
447 /* For the IOS system, please reference the apple official documents about the ble connection parameters restrictions. */
448 conn_params.latency = 0;
449 conn_params.max_int = 0x20; // max_int = 0x20*1.25ms = 40ms
450 conn_params.min_int = 0x10; // min_int = 0x10*1.25ms = 20ms
451 conn_params.timeout = 400; // timeout = 400*10ms = 4000ms
452 //start sent the update connection parameters to the peer device.
453 esp_ble_gap_update_conn_params(&conn_params);
455 case ESP_GATTS_DISCONNECT_EVT:
456 ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_DISCONNECT_EVT, reason = %d", param->disconnect.reason);
457 esp_ble_gap_start_advertising(&adv_params);
459 case ESP_GATTS_CREAT_ATTR_TAB_EVT:{
460 if (param->add_attr_tab.status != ESP_GATT_OK){
461 ESP_LOGE(GATTS_TABLE_TAG, "create attribute table failed, error code=0x%x", param->add_attr_tab.status);
463 else if (param->add_attr_tab.num_handle != HRS_IDX_NB){
464 ESP_LOGE(GATTS_TABLE_TAG, "create attribute table abnormally, num_handle (%d) \
465 doesn't equal to HRS_IDX_NB(%d)", param->add_attr_tab.num_handle, HRS_IDX_NB);
468 ESP_LOGI(GATTS_TABLE_TAG, "create attribute table successfully, the number handle = %d\n",param->add_attr_tab.num_handle);
469 memcpy(heart_rate_handle_table, param->add_attr_tab.handles, sizeof(heart_rate_handle_table));
470 esp_ble_gatts_start_service(heart_rate_handle_table[IDX_SVC]);
474 case ESP_GATTS_STOP_EVT:
475 case ESP_GATTS_OPEN_EVT:
476 case ESP_GATTS_CANCEL_OPEN_EVT:
477 case ESP_GATTS_CLOSE_EVT:
478 case ESP_GATTS_LISTEN_EVT:
479 case ESP_GATTS_CONGEST_EVT:
480 case ESP_GATTS_UNREG_EVT:
481 case ESP_GATTS_DELETE_EVT:
488 static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
491 /* If event is register event, store the gatts_if for each profile */
492 if (event == ESP_GATTS_REG_EVT) {
493 if (param->reg.status == ESP_GATT_OK) {
494 heart_rate_profile_tab[PROFILE_APP_IDX].gatts_if = gatts_if;
496 ESP_LOGE(GATTS_TABLE_TAG, "reg app failed, app_id %04x, status %d",
504 for (idx = 0; idx < PROFILE_NUM; idx++) {
505 /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
506 if (gatts_if == ESP_GATT_IF_NONE || gatts_if == heart_rate_profile_tab[idx].gatts_if) {
507 if (heart_rate_profile_tab[idx].gatts_cb) {
508 heart_rate_profile_tab[idx].gatts_cb(event, gatts_if, param);
519 /* Initialize NVS. */
520 ret = nvs_flash_init();
521 if (ret == ESP_ERR_NVS_NO_FREE_PAGES) {
522 ESP_ERROR_CHECK(nvs_flash_erase());
523 ret = nvs_flash_init();
525 ESP_ERROR_CHECK( ret );
527 ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
529 esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
530 ret = esp_bt_controller_init(&bt_cfg);
532 ESP_LOGE(GATTS_TABLE_TAG, "%s enable controller failed", __func__);
536 ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
538 ESP_LOGE(GATTS_TABLE_TAG, "%s enable controller failed", __func__);
542 ret = esp_bluedroid_init();
544 ESP_LOGE(GATTS_TABLE_TAG, "%s init bluetooth failed", __func__);
548 ret = esp_bluedroid_enable();
550 ESP_LOGE(GATTS_TABLE_TAG, "%s enable bluetooth failed", __func__);
554 ret = esp_ble_gatts_register_callback(gatts_event_handler);
556 ESP_LOGE(GATTS_TABLE_TAG, "gatts register error, error code = %x", ret);
560 ret = esp_ble_gap_register_callback(gap_event_handler);
562 ESP_LOGE(GATTS_TABLE_TAG, "gap register error, error code = %x", ret);
566 ret = esp_ble_gatts_app_register(ESP_APP_ID);
568 ESP_LOGE(GATTS_TABLE_TAG, "gatts app register error, error code = %x", ret);
572 esp_err_t local_mtu_ret = esp_ble_gatt_set_local_mtu(500);
574 ESP_LOGE(GATTS_TABLE_TAG, "set local MTU failed, error code = %x", local_mtu_ret);