--- /dev/null
+/*
+ This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+ Unless required by applicable law or agreed to in writing, this
+ software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#include <stdint.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include "nvs.h"
+#include "nvs_flash.h"
+#include "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
+#include "esp_bt.h"
+#include "esp_gap_ble_api.h"
+#include "esp_gattc_api.h"
+#include "esp_gatt_defs.h"
+#include "esp_bt_main.h"
+#include "esp_gatt_common_api.h"
+#include "esp_gatts_api.h"
+#include "esp_bt_defs.h"
+#include "esp_system.h"
+#include "sdkconfig.h"
+
+
+#define GATTS_SERVICE_UUID_TEST_A 0x00FF
+#define GATTS_CHAR_UUID_TEST_A 0xFF01
+#define GATTS_NUM_HANDLE_TEST_A 4
+
+#define GATTS_SERVICE_UUID_TEST_B 0x00EE
+#define GATTS_CHAR_UUID_TEST_B 0xEE01
+#define GATTS_NUM_HANDLE_TEST_B 4
+
+#define GATTS_DEMO_CHAR_VAL_LEN_MAX 0x40
+#define PREPARE_BUF_MAX_SIZE 1024
+
+#define adv_config_flag (1 << 0)
+#define scan_rsp_config_flag (1 << 1)
+
+#define GATTS_PROFILE_NUM 2
+#define GATTS_PROFILE_A_APP_ID 0
+#define GATTS_PROFILE_B_APP_ID 1
+#define GATTC_PROFILE_NUM 1
+#define GATTC_PROFILE_C_APP_ID 0
+// gattc
+#define REMOTE_SERVICE_UUID 0x00FF
+#define REMOTE_NOTIFY_CHAR_UUID 0xFF01
+#define INVALID_HANDLE 0
+#define GATTS_ADV_NAME "ESP_GATTS_DEMO"
+#define COEX_TAG "GATTC_GATTS_COEX"
+#define NOTIFY_ENABLE 0x0001
+#define INDICATE_ENABLE 0x0002
+#define NOTIFY_INDICATE_DISABLE 0x0000
+
+static const char remote_device_name[] = "ESP_GATTS_DEMO";
+
+typedef struct {
+ uint8_t *prepare_buf;
+ int prepare_len;
+} prepare_type_env_t;
+
+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;
+};
+
+struct gattc_profile_inst {
+ esp_gattc_cb_t gattc_cb;
+ uint16_t gattc_if;
+ uint16_t app_id;
+ uint16_t conn_id;
+ uint16_t service_start_handle;
+ uint16_t service_end_handle;
+ uint16_t char_handle;
+ esp_bd_addr_t remote_bda;
+};
+
+///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);
+/* Declare static functions */
+static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param);
+static void gattc_profile_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param);
+static void example_write_event_env(esp_gatt_if_t gatts_if, prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param);
+static void example_exec_write_event_env(prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param);
+
+static esp_gatt_char_prop_t a_property = 0;
+static esp_gatt_char_prop_t b_property = 0;
+static prepare_type_env_t a_prepare_write_env;
+static prepare_type_env_t b_prepare_write_env;
+static uint8_t adv_config_done = 0;
+static uint8_t char1_str[] = {0x11, 0x22, 0x33};
+static bool connect = false;
+static bool get_server = false;
+static esp_gattc_char_elem_t *char_elem_result = NULL;
+static esp_gattc_descr_elem_t *descr_elem_result = NULL;
+
+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,
+};
+
+static uint8_t 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 esp_ble_adv_data_t adv_data = {
+ .set_scan_rsp = false,
+ .include_name = true,
+ .include_txpower = true,
+ .min_interval = 0x20,
+ .max_interval = 0x40,
+ .appearance = 0x00,
+ .manufacturer_len = 0,
+ .p_manufacturer_data = NULL,
+ .service_data_len = 0,
+ .p_service_data = NULL,
+ .service_uuid_len = 32,
+ .p_service_uuid = service_uuid128,
+ .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
+};
+
+// scan response data
+static esp_ble_adv_data_t scan_rsp_data = {
+ .set_scan_rsp = true,
+ .include_name = true,
+ .include_txpower = true,
+ .min_interval = 0x0006,
+ .max_interval = 0x0010,
+ .appearance = 0x00,
+ .manufacturer_len = 0,
+ .p_manufacturer_data = NULL,
+ .service_data_len = 0,
+ .p_service_data = NULL,
+ .service_uuid_len = 0,
+ .p_service_uuid = NULL,
+ .flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
+};
+
+static esp_ble_adv_params_t adv_params = {
+ .adv_int_min = 0x20,
+ .adv_int_max = 0x40,
+ .adv_type = ADV_TYPE_IND,
+ .own_addr_type = BLE_ADDR_TYPE_PUBLIC,
+ .channel_map = ADV_CHNL_ALL,
+ .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
+};
+
+/* 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 gatts_profile_tab[GATTS_PROFILE_NUM] = {
+ [GATTS_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 */
+ },
+ [GATTS_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 esp_bt_uuid_t remote_filter_service_uuid = {
+ .len = ESP_UUID_LEN_16,
+ .uuid = {.uuid16 = REMOTE_SERVICE_UUID,},
+};
+
+static esp_bt_uuid_t remote_filter_char_uuid = {
+ .len = ESP_UUID_LEN_16,
+ .uuid = {.uuid16 = REMOTE_NOTIFY_CHAR_UUID,},
+};
+
+static esp_bt_uuid_t notify_descr_uuid = {
+ .len = ESP_UUID_LEN_16,
+ .uuid = {.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG,},
+};
+
+static esp_ble_scan_params_t ble_scan_params = {
+ .scan_type = BLE_SCAN_TYPE_ACTIVE,
+ .own_addr_type = BLE_ADDR_TYPE_PUBLIC,
+ .scan_filter_policy = BLE_SCAN_FILTER_ALLOW_ALL,
+ .scan_interval = 0x50,
+ .scan_window = 0x30,
+ .scan_duplicate = BLE_SCAN_DUPLICATE_DISABLE
+};
+
+/* One gatt-based profile one app_id and one gattc_if, this array will store the gattc_if returned by ESP_GATTS_REG_EVT */
+static struct gattc_profile_inst gattc_profile_tab[GATTC_PROFILE_NUM] = {
+ [GATTC_PROFILE_C_APP_ID] = {
+ .gattc_cb = gattc_profile_event_handler,
+ .gattc_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)
+{
+ uint8_t *adv_name = NULL;
+ uint8_t adv_name_len = 0;
+
+ switch (event) {
+
+ case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
+ adv_config_done &= (~adv_config_flag);
+ if (adv_config_done == 0) {
+ esp_ble_gap_start_advertising(&adv_params);
+ }
+ break;
+ case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
+ adv_config_done &= (~scan_rsp_config_flag);
+ if (adv_config_done == 0) {
+ esp_ble_gap_start_advertising(&adv_params);
+ }
+ break;
+
+ case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
+ //advertising start complete event to indicate advertising start successfully or failed
+ if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
+ ESP_LOGE(COEX_TAG, "Advertising start failed\n");
+ }
+ ESP_LOGI(COEX_TAG, "Advertising start successfully\n");
+ break;
+ case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
+ if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS) {
+ ESP_LOGE(COEX_TAG, "Advertising stop failed\n");
+ } else {
+ ESP_LOGI(COEX_TAG, "Stop adv successfully\n");
+ }
+ break;
+ case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
+ ESP_LOGI(COEX_TAG, "update connection params status = %d, min_int = %d, max_int = %d,conn_int = %d,latency = %d, timeout = %d\n",
+ param->update_conn_params.status,
+ param->update_conn_params.min_int,
+ param->update_conn_params.max_int,
+ param->update_conn_params.conn_int,
+ param->update_conn_params.latency,
+ param->update_conn_params.timeout);
+ break;
+ case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
+ if (param->scan_stop_cmpl.status != ESP_BT_STATUS_SUCCESS) {
+ ESP_LOGE(COEX_TAG, "scan stop failed, error status = %x\n", param->scan_stop_cmpl.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT, stop scan successfully\n");
+ break;
+ case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT: {
+ ESP_LOGI(COEX_TAG, "ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT, set scan sparameters complete\n");
+ //the unit of the duration is second
+ uint32_t duration = 120;
+ esp_ble_gap_start_scanning(duration);
+ break;
+ }
+ case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
+ if (param->scan_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
+ ESP_LOGE(COEX_TAG, "scan start failed, error status = %x\n", param->scan_start_cmpl.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "ESP_GAP_BLE_SCAN_START_COMPLETE_EVT, scan start success\n");
+ break;
+ case ESP_GAP_BLE_SCAN_RESULT_EVT: {
+ esp_ble_gap_cb_param_t *scan_result = (esp_ble_gap_cb_param_t *)param;
+ switch (scan_result->scan_rst.search_evt) {
+ case ESP_GAP_SEARCH_INQ_RES_EVT:
+ adv_name = esp_ble_resolve_adv_data(scan_result->scan_rst.ble_adv,
+ ESP_BLE_AD_TYPE_NAME_CMPL, &adv_name_len);
+ if (adv_name != NULL) {
+ if (strlen(remote_device_name) == adv_name_len && strncmp((char *)adv_name, remote_device_name, adv_name_len) == 0) {
+ if (connect == false) {
+ connect = true;
+ ESP_LOGI(COEX_TAG, "connect to the remote device %s\n", remote_device_name);
+ esp_ble_gap_stop_scanning();
+ esp_ble_gattc_open(gattc_profile_tab[GATTC_PROFILE_C_APP_ID].gattc_if, scan_result->scan_rst.bda, scan_result->scan_rst.ble_addr_type, true);
+ }
+ }
+ }
+ break;
+ case ESP_GAP_SEARCH_INQ_CMPL_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GAP_SEARCH_INQ_CMPL_EVT, scan stop\n");
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void gattc_profile_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
+{
+ esp_ble_gattc_cb_param_t *p_data = (esp_ble_gattc_cb_param_t *)param;
+
+ switch (event) {
+ case ESP_GATTC_REG_EVT:
+ ESP_LOGI(COEX_TAG, "REG_EVT\n");
+ esp_err_t scan_ret = esp_ble_gap_set_scan_params(&ble_scan_params);
+ if (scan_ret) {
+ ESP_LOGE(COEX_TAG, "set scan params error, error code = %x", scan_ret);
+ }
+ break;
+ case ESP_GATTC_CONNECT_EVT: {
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_CONNECT_EVT conn_id %d, if %d\n", p_data->connect.conn_id, gattc_if);
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].conn_id = p_data->connect.conn_id;
+ memcpy(gattc_profile_tab[GATTC_PROFILE_C_APP_ID].remote_bda, p_data->connect.remote_bda, sizeof(esp_bd_addr_t));
+ ESP_LOGI(COEX_TAG, "REMOTE BDA:");
+ esp_log_buffer_hex(COEX_TAG, gattc_profile_tab[GATTC_PROFILE_C_APP_ID].remote_bda, sizeof(esp_bd_addr_t));
+ esp_err_t mtu_ret = esp_ble_gattc_send_mtu_req (gattc_if, p_data->connect.conn_id);
+ if (mtu_ret) {
+ ESP_LOGE(COEX_TAG, "config MTU error, error code = %x\n", mtu_ret);
+ }
+ break;
+ }
+ case ESP_GATTC_OPEN_EVT:
+ if (param->open.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "open failed, status %d\n", p_data->open.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "open success\n");
+ break;
+ case ESP_GATTC_DIS_SRVC_CMPL_EVT:
+ if (param->dis_srvc_cmpl.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "discover service failed, status %d\n", param->dis_srvc_cmpl.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "discover service complete conn_id %d\n", param->dis_srvc_cmpl.conn_id);
+ esp_ble_gattc_search_service(gattc_if, param->cfg_mtu.conn_id, &remote_filter_service_uuid);
+ break;
+ case ESP_GATTC_CFG_MTU_EVT:
+ if (param->cfg_mtu.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG,"config mtu failed, error status = %x\n", param->cfg_mtu.status);
+ }
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_CFG_MTU_EVT, Status %d, MTU %d, conn_id %d\n", param->cfg_mtu.status, param->cfg_mtu.mtu, param->cfg_mtu.conn_id);
+ break;
+ case ESP_GATTC_SEARCH_RES_EVT: {
+ ESP_LOGI(COEX_TAG, "SEARCH RES: conn_id = %x is primary service %d\n", p_data->search_res.conn_id, p_data->search_res.is_primary);
+ ESP_LOGI(COEX_TAG, "start handle %d end handle %d current handle value %d\n", p_data->search_res.start_handle, p_data->search_res.end_handle, p_data->search_res.srvc_id.inst_id);
+ if (p_data->search_res.srvc_id.uuid.len == ESP_UUID_LEN_16 && p_data->search_res.srvc_id.uuid.uuid.uuid16 == REMOTE_SERVICE_UUID) {
+ ESP_LOGI(COEX_TAG, "service found\n");
+ get_server = true;
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_start_handle = p_data->search_res.start_handle;
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_end_handle = p_data->search_res.end_handle;
+ ESP_LOGI(COEX_TAG, "UUID16: %x\n", p_data->search_res.srvc_id.uuid.uuid.uuid16);
+ }
+ break;
+ }
+ case ESP_GATTC_SEARCH_CMPL_EVT:
+ if (p_data->search_cmpl.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "search service failed, error status = %x\n", p_data->search_cmpl.status);
+ break;
+ }
+ if(p_data->search_cmpl.searched_service_source == ESP_GATT_SERVICE_FROM_REMOTE_DEVICE) {
+ ESP_LOGI(COEX_TAG, "Get service information from remote device\n");
+ } else if (p_data->search_cmpl.searched_service_source == ESP_GATT_SERVICE_FROM_NVS_FLASH) {
+ ESP_LOGI(COEX_TAG, "Get service information from flash\n");
+ } else {
+ ESP_LOGI(COEX_TAG, "unknown service source\n");
+ }
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_SEARCH_CMPL_EVT\n");
+ if (get_server) {
+ uint16_t count = 0;
+ esp_gatt_status_t status = esp_ble_gattc_get_attr_count( gattc_if,
+ p_data->search_cmpl.conn_id,
+ ESP_GATT_DB_CHARACTERISTIC,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_start_handle,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_end_handle,
+ INVALID_HANDLE,
+ &count);
+ if (status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "esp_ble_gattc_get_attr_count error\n");
+ }
+
+ if (count > 0) {
+ char_elem_result = (esp_gattc_char_elem_t *)malloc(sizeof(esp_gattc_char_elem_t) * count);
+ if (!char_elem_result) {
+ ESP_LOGE(COEX_TAG, "gattc no mem\n");
+ }else {
+ status = esp_ble_gattc_get_char_by_uuid( gattc_if,
+ p_data->search_cmpl.conn_id,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_start_handle,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_end_handle,
+ remote_filter_char_uuid,
+ char_elem_result,
+ &count);
+ if (status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "esp_ble_gattc_get_char_by_uuid error\n");
+ }
+
+ /* Every service have only one char in our 'ESP_GATTS_DEMO' demo, so we used first 'char_elem_result' */
+ if (count > 0 && (char_elem_result[0].properties & ESP_GATT_CHAR_PROP_BIT_NOTIFY)) {
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].char_handle = char_elem_result[0].char_handle;
+ esp_ble_gattc_register_for_notify (gattc_if, gattc_profile_tab[GATTC_PROFILE_C_APP_ID].remote_bda, char_elem_result[0].char_handle);
+ }
+ }
+ /* free char_elem_result */
+ free(char_elem_result);
+ } else {
+ ESP_LOGE(COEX_TAG, "no char found\n");
+ }
+ }
+ break;
+ case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_REG_FOR_NOTIFY_EVT\n");
+ if (p_data->reg_for_notify.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "REG FOR NOTIFY failed: error status = %d\n", p_data->reg_for_notify.status);
+ } else {
+ uint16_t count = 0;
+ uint16_t notify_en = 1;
+ esp_gatt_status_t ret_status = esp_ble_gattc_get_attr_count( gattc_if,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].conn_id,
+ ESP_GATT_DB_DESCRIPTOR,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_start_handle,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].service_end_handle,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].char_handle,
+ &count);
+ if (ret_status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "esp_ble_gattc_get_attr_count error\n");
+ }
+ if (count > 0) {
+ descr_elem_result = malloc(sizeof(esp_gattc_descr_elem_t) * count);
+ if (!descr_elem_result) {
+ ESP_LOGE(COEX_TAG, "malloc error, gattc no mem\n");
+ } else {
+ ret_status = esp_ble_gattc_get_descr_by_char_handle( gattc_if,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].conn_id,
+ p_data->reg_for_notify.handle,
+ notify_descr_uuid,
+ descr_elem_result,
+ &count);
+ if (ret_status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "esp_ble_gattc_get_descr_by_char_handle error\n");
+ }
+ /* Every char has only one descriptor in our 'ESP_GATTS_DEMO' demo, so we used first 'descr_elem_result' */
+ if (count > 0 && descr_elem_result[0].uuid.len == ESP_UUID_LEN_16 && descr_elem_result[0].uuid.uuid.uuid16 == ESP_GATT_UUID_CHAR_CLIENT_CONFIG) {
+ ret_status = esp_ble_gattc_write_char_descr( gattc_if,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].conn_id,
+ descr_elem_result[0].handle,
+ sizeof(notify_en),
+ (uint8_t *)¬ify_en,
+ ESP_GATT_WRITE_TYPE_RSP,
+ ESP_GATT_AUTH_REQ_NONE);
+ }
+
+ if (ret_status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "esp_ble_gattc_write_char_descr error\n");
+ }
+
+ /* free descr_elem_result */
+ free(descr_elem_result);
+ }
+ } else {
+ ESP_LOGE(COEX_TAG, "decsr not found\n");
+ }
+
+ }
+ break;
+ }
+ case ESP_GATTC_NOTIFY_EVT:
+ if (p_data->notify.is_notify) {
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_NOTIFY_EVT, receive notify value:");
+ } else {
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_NOTIFY_EVT, receive indicate value:");
+ }
+ esp_log_buffer_hex(COEX_TAG, p_data->notify.value, p_data->notify.value_len);
+ break;
+ case ESP_GATTC_WRITE_DESCR_EVT:
+ if (p_data->write.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "write descr failed, error status = %x\n", p_data->write.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "write descr success \n");
+ uint8_t write_char_data[35];
+ for (int i = 0; i < sizeof(write_char_data); ++ i) {
+ write_char_data[i] = i % 256;
+ }
+ esp_ble_gattc_write_char( gattc_if,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].conn_id,
+ gattc_profile_tab[GATTC_PROFILE_C_APP_ID].char_handle,
+ sizeof(write_char_data),
+ write_char_data,
+ ESP_GATT_WRITE_TYPE_RSP,
+ ESP_GATT_AUTH_REQ_NONE);
+ break;
+ case ESP_GATTC_SRVC_CHG_EVT: {
+ esp_bd_addr_t bda;
+ memcpy(bda, p_data->srvc_chg.remote_bda, sizeof(esp_bd_addr_t));
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_SRVC_CHG_EVT, bd_addr:");
+ esp_log_buffer_hex(COEX_TAG, bda, sizeof(esp_bd_addr_t));
+ break;
+ }
+ case ESP_GATTC_WRITE_CHAR_EVT:
+ if (p_data->write.status != ESP_GATT_OK) {
+ ESP_LOGE(COEX_TAG, "write char failed, error status = %x\n", p_data->write.status);
+ break;
+ }
+ ESP_LOGI(COEX_TAG, "write char success \n");
+ break;
+ case ESP_GATTC_DISCONNECT_EVT: {
+ connect = false;
+ get_server = false;
+ ESP_LOGI(COEX_TAG, "ESP_GATTC_DISCONNECT_EVT, reason = %d\n", p_data->disconnect.reason);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void example_write_event_env(esp_gatt_if_t gatts_if, prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param) {
+ esp_gatt_status_t status = ESP_GATT_OK;
+ if (param->write.need_rsp) {
+ if (param->write.is_prep) {
+ if (prepare_write_env->prepare_buf == NULL) {
+ prepare_write_env->prepare_buf = (uint8_t *)malloc(PREPARE_BUF_MAX_SIZE*sizeof(uint8_t));
+ prepare_write_env->prepare_len = 0;
+ if (prepare_write_env->prepare_buf == NULL) {
+ ESP_LOGE(COEX_TAG, "Gatt_server prep no mem\n");
+ status = ESP_GATT_NO_RESOURCES;
+ }
+ } else {
+ if(param->write.offset > PREPARE_BUF_MAX_SIZE) {
+ status = ESP_GATT_INVALID_OFFSET;
+ } else if ((param->write.offset + param->write.len) > PREPARE_BUF_MAX_SIZE) {
+ status = ESP_GATT_INVALID_ATTR_LEN;
+ }
+ }
+
+ esp_gatt_rsp_t *gatt_rsp = (esp_gatt_rsp_t *)malloc(sizeof(esp_gatt_rsp_t));
+ gatt_rsp->attr_value.len = param->write.len;
+ gatt_rsp->attr_value.handle = param->write.handle;
+ gatt_rsp->attr_value.offset = param->write.offset;
+ gatt_rsp->attr_value.auth_req = ESP_GATT_AUTH_REQ_NONE;
+ memcpy(gatt_rsp->attr_value.value, param->write.value, param->write.len);
+ esp_err_t response_err = esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, status, gatt_rsp);
+ if (response_err != ESP_OK) {
+ ESP_LOGE(COEX_TAG, "Send response error\n");
+ }
+ free(gatt_rsp);
+ if (status != ESP_GATT_OK) {
+ return;
+ }
+ memcpy(prepare_write_env->prepare_buf + param->write.offset,
+ param->write.value,
+ param->write.len);
+ prepare_write_env->prepare_len += param->write.len;
+
+ } else {
+ esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, status, NULL);
+ }
+ }
+}
+
+static void example_exec_write_event_env(prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param) {
+ if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC) {
+ esp_log_buffer_hex(COEX_TAG, prepare_write_env->prepare_buf, prepare_write_env->prepare_len);
+ } else {
+ ESP_LOGI(COEX_TAG,"ESP_GATT_PREP_WRITE_CANCEL\n");
+ }
+ if (prepare_write_env->prepare_buf) {
+ free(prepare_write_env->prepare_buf);
+ prepare_write_env->prepare_buf = NULL;
+ }
+ prepare_write_env->prepare_len = 0;
+}
+
+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(COEX_TAG, "REGISTER_APP_EVT, status %d, app_id %d\n", param->reg.status, param->reg.app_id);
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_id.is_primary = true;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_id.id.inst_id = 0x00;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_id.id.uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_id.id.uuid.uuid.uuid16 = GATTS_SERVICE_UUID_TEST_A;
+
+ esp_err_t set_dev_name_ret = esp_ble_gap_set_device_name(GATTS_ADV_NAME);
+ if (set_dev_name_ret) {
+ ESP_LOGE(COEX_TAG, "set device name failed, error code = %x\n", set_dev_name_ret);
+ }
+#ifdef CONFIG_SET_RAW_ADV_DATA
+ esp_err_t raw_adv_ret = esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data));
+ if (raw_adv_ret) {
+ ESP_LOGE(COEX_TAG, "config raw adv data failed, error code = %x \n", raw_adv_ret);
+ }
+ adv_config_done |= adv_config_flag;
+ esp_err_t raw_scan_ret = esp_ble_gap_config_scan_rsp_data_raw(raw_scan_rsp_data, sizeof(raw_scan_rsp_data));
+ if (raw_scan_ret) {
+ ESP_LOGE(COEX_TAG, "config raw scan rsp data failed, error code = %x\n", raw_scan_ret);
+ }
+ adv_config_done |= scan_rsp_config_flag;
+#else
+ //config adv data
+ esp_err_t ret = esp_ble_gap_config_adv_data(&adv_data);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "config adv data failed, error code = %x\n", ret);
+ }
+ adv_config_done |= adv_config_flag;
+ //config scan response data
+ ret = esp_ble_gap_config_adv_data(&scan_rsp_data);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "config scan response data failed, error code = %x\n", ret);
+ }
+ adv_config_done |= scan_rsp_config_flag;
+
+#endif
+ esp_ble_gatts_create_service(gatts_if, &gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_id, GATTS_NUM_HANDLE_TEST_A);
+ break;
+ case ESP_GATTS_READ_EVT: {
+ ESP_LOGI(COEX_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(COEX_TAG, "GATT_WRITE_EVT, conn_id %d, trans_id %d, handle %d\n", param->write.conn_id, param->write.trans_id, param->write.handle);
+ if (!param->write.is_prep) {
+ ESP_LOGI(COEX_TAG, "GATT_WRITE_EVT, value len %d, value :", param->write.len);
+ esp_log_buffer_hex(COEX_TAG, param->write.value, param->write.len);
+ if (gatts_profile_tab[GATTS_PROFILE_A_APP_ID].descr_handle == param->write.handle && param->write.len == 2) {
+ uint16_t descr_value = param->write.value[1]<<8 | param->write.value[0];
+ if (descr_value == NOTIFY_ENABLE) {
+ if (a_property & ESP_GATT_CHAR_PROP_BIT_NOTIFY) {
+ ESP_LOGI(COEX_TAG, "notify enable\n");
+ uint8_t notify_data[15];
+ for (int i = 0; i < sizeof(notify_data); ++ i) {
+ notify_data[i] = i%0xff;
+ }
+ //the size of notify_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_handle,
+ sizeof(notify_data), notify_data, false);
+ }
+ } else if (descr_value == INDICATE_ENABLE) {
+ if (a_property & ESP_GATT_CHAR_PROP_BIT_INDICATE) {
+ ESP_LOGI(COEX_TAG, "indicate enable\n");
+ uint8_t indicate_data[15];
+ for (int i = 0; i < sizeof(indicate_data); ++ i) {
+ indicate_data[i] = i%0xff;
+ }
+ //the size of indicate_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_handle,
+ sizeof(indicate_data), indicate_data, true);
+ }
+ } else if (descr_value == NOTIFY_INDICATE_DISABLE) {
+ ESP_LOGI(COEX_TAG, "notify/indicate disable \n");
+ } else {
+ ESP_LOGE(COEX_TAG, "unknown descr value\n");
+ esp_log_buffer_hex(COEX_TAG, param->write.value, param->write.len);
+ }
+
+ }
+ }
+ example_write_event_env(gatts_if, &a_prepare_write_env, param);
+ break;
+ }
+ case ESP_GATTS_EXEC_WRITE_EVT:
+ ESP_LOGI(COEX_TAG,"ESP_GATTS_EXEC_WRITE_EVT\n");
+ esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
+ example_exec_write_event_env(&a_prepare_write_env, param);
+ break;
+ case ESP_GATTS_MTU_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_MTU_EVT, MTU %d\n", param->mtu.mtu);
+ break;
+ case ESP_GATTS_CREATE_EVT:
+ ESP_LOGI(COEX_TAG, "CREATE_SERVICE_EVT, status %d, service_handle %d\n", param->create.status, param->create.service_handle);
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_handle = param->create.service_handle;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_uuid.uuid.uuid16 = GATTS_CHAR_UUID_TEST_A;
+
+ esp_ble_gatts_start_service(gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_handle);
+ a_property = ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
+ esp_err_t add_char_ret = esp_ble_gatts_add_char(gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_handle, &gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_uuid,
+ ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
+ a_property,
+ &gatts_demo_char1_val, NULL);
+ if (add_char_ret) {
+ ESP_LOGE(COEX_TAG, "add char failed, error code =%x\n",add_char_ret);
+ }
+ break;
+ case ESP_GATTS_ADD_CHAR_EVT: {
+ ESP_LOGI(COEX_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);
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].char_handle = param->add_char.attr_handle;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].descr_uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].descr_uuid.uuid.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
+
+ esp_err_t add_descr_ret = esp_ble_gatts_add_char_descr(gatts_profile_tab[GATTS_PROFILE_A_APP_ID].service_handle, &gatts_profile_tab[GATTS_PROFILE_A_APP_ID].descr_uuid,
+ ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, NULL, NULL);
+ if (add_descr_ret) {
+ ESP_LOGE(COEX_TAG, "add char descr failed, error code =%x\n", add_descr_ret);
+ }
+ break;
+ }
+ case ESP_GATTS_ADD_CHAR_DESCR_EVT:
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].descr_handle = param->add_char_descr.attr_handle;
+ ESP_LOGI(COEX_TAG, "ADD_DESCR_EVT, status %d, attr_handle %d, service_handle %d\n",
+ param->add_char_descr.status, param->add_char_descr.attr_handle, param->add_char_descr.service_handle);
+ break;
+ case ESP_GATTS_START_EVT:
+ ESP_LOGI(COEX_TAG, "SERVICE_START_EVT, status %d, service_handle %d\n",
+ param->start.status, param->start.service_handle);
+ break;
+ case ESP_GATTS_CONNECT_EVT: {
+
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_CONNECT_EVT, conn_id %d, remote %02x:%02x:%02x:%02x:%02x:%02x\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]);
+ gatts_profile_tab[GATTS_PROFILE_A_APP_ID].conn_id = param->connect.conn_id;
+ break;
+ }
+ case ESP_GATTS_DISCONNECT_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_DISCONNECT_EVT, disconnect reason 0x%x\n", param->disconnect.reason);
+ esp_ble_gap_start_advertising(&adv_params);
+ break;
+ case ESP_GATTS_CONF_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_CONF_EVT, status %d attr_handle %d\n", param->conf.status, param->conf.handle);
+ if (param->conf.status != ESP_GATT_OK) {
+ esp_log_buffer_hex(COEX_TAG, param->conf.value, param->conf.len);
+ }
+ break;
+ case ESP_GATTS_OPEN_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(COEX_TAG, "REGISTER_APP_EVT, status %d, app_id %d\n", param->reg.status, param->reg.app_id);
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_id.is_primary = true;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_id.id.inst_id = 0x00;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_id.id.uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_id.id.uuid.uuid.uuid16 = GATTS_SERVICE_UUID_TEST_B;
+
+ esp_ble_gatts_create_service(gatts_if, &gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_id, GATTS_NUM_HANDLE_TEST_B);
+ break;
+ case ESP_GATTS_READ_EVT: {
+ ESP_LOGI(COEX_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(COEX_TAG, "GATT_WRITE_EVT, conn_id %d, trans_id %d, handle %d\n", param->write.conn_id, param->write.trans_id, param->write.handle);
+ if (!param->write.is_prep) {
+ ESP_LOGI(COEX_TAG, "GATT_WRITE_EVT, value len %d, value :", param->write.len);
+ esp_log_buffer_hex(COEX_TAG, param->write.value, param->write.len);
+ if (gatts_profile_tab[GATTS_PROFILE_B_APP_ID].descr_handle == param->write.handle && param->write.len == 2) {
+ uint16_t descr_value= param->write.value[1]<<8 | param->write.value[0];
+ if (descr_value == NOTIFY_ENABLE) {
+ if (b_property & ESP_GATT_CHAR_PROP_BIT_NOTIFY) {
+ ESP_LOGI(COEX_TAG, "notify enable\n");
+ uint8_t notify_data[15];
+ for (int i = 0; i < sizeof(notify_data); ++ i) {
+ notify_data[i] = i%0xff;
+ }
+ //the size of notify_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_handle,
+ sizeof(notify_data), notify_data, false);
+ }
+ } else if (descr_value == INDICATE_ENABLE) {
+ if (b_property & ESP_GATT_CHAR_PROP_BIT_INDICATE) {
+ ESP_LOGI(COEX_TAG, "indicate enable\n");
+ uint8_t indicate_data[15];
+ for (int i = 0; i < sizeof(indicate_data); ++ i) {
+ indicate_data[i] = i%0xff;
+ }
+ //the size of indicate_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_handle,
+ sizeof(indicate_data), indicate_data, true);
+ }
+ } else if (descr_value == NOTIFY_INDICATE_DISABLE) {
+ ESP_LOGI(COEX_TAG, "notify/indicate disable \n");
+ } else {
+ ESP_LOGE(COEX_TAG, "unknown value\n");
+ }
+
+ }
+ }
+ example_write_event_env(gatts_if, &b_prepare_write_env, param);
+ break;
+ }
+ case ESP_GATTS_EXEC_WRITE_EVT:
+ ESP_LOGI(COEX_TAG,"ESP_GATTS_EXEC_WRITE_EVT\n");
+ esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
+ example_exec_write_event_env(&b_prepare_write_env, param);
+ break;
+ case ESP_GATTS_MTU_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_MTU_EVT, MTU %d\n", param->mtu.mtu);
+ break;
+ case ESP_GATTS_UNREG_EVT:
+ break;
+ case ESP_GATTS_CREATE_EVT:
+ ESP_LOGI(COEX_TAG, "CREATE_SERVICE_EVT, status %d, service_handle %d\n", param->create.status, param->create.service_handle);
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_handle = param->create.service_handle;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_uuid.uuid.uuid16 = GATTS_CHAR_UUID_TEST_B;
+
+ esp_ble_gatts_start_service(gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_handle);
+ b_property = ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
+ esp_err_t add_char_ret =esp_ble_gatts_add_char( gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_handle, &gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_uuid,
+ ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
+ b_property,
+ NULL, NULL);
+ if (add_char_ret) {
+ ESP_LOGE(COEX_TAG, "add char failed, error code =%x\n",add_char_ret);
+ }
+ break;
+ case ESP_GATTS_ADD_INCL_SRVC_EVT:
+ break;
+ case ESP_GATTS_ADD_CHAR_EVT:
+ ESP_LOGI(COEX_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);
+
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].char_handle = param->add_char.attr_handle;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].descr_uuid.len = ESP_UUID_LEN_16;
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].descr_uuid.uuid.uuid16 = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
+ esp_ble_gatts_add_char_descr(gatts_profile_tab[GATTS_PROFILE_B_APP_ID].service_handle, &gatts_profile_tab[GATTS_PROFILE_B_APP_ID].descr_uuid,
+ ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
+ NULL, NULL);
+ break;
+ case ESP_GATTS_ADD_CHAR_DESCR_EVT:
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].descr_handle = param->add_char_descr.attr_handle;
+ ESP_LOGI(COEX_TAG, "ADD_DESCR_EVT, status %d, attr_handle %d, service_handle %d\n",
+ param->add_char_descr.status, param->add_char_descr.attr_handle, param->add_char_descr.service_handle);
+ break;
+ case ESP_GATTS_DELETE_EVT:
+ break;
+ case ESP_GATTS_START_EVT:
+ ESP_LOGI(COEX_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(COEX_TAG, "CONNECT_EVT, conn_id %d, remote %02x:%02x:%02x:%02x:%02x:%02x\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]);
+ gatts_profile_tab[GATTS_PROFILE_B_APP_ID].conn_id = param->connect.conn_id;
+ break;
+ case ESP_GATTS_CONF_EVT:
+ ESP_LOGI(COEX_TAG, "ESP_GATTS_CONF_EVT status %d attr_handle %d\n", param->conf.status, param->conf.handle);
+ if (param->conf.status != ESP_GATT_OK) {
+ esp_log_buffer_hex(COEX_TAG, param->conf.value, param->conf.len);
+ }
+ break;
+ case ESP_GATTS_DISCONNECT_EVT:
+ case ESP_GATTS_OPEN_EVT:
+ default:
+ break;
+ }
+}
+
+static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
+{
+ /* If event is register event, store the gattc_if for each profile */
+ if (event == ESP_GATTC_REG_EVT) {
+ if (param->reg.status == ESP_GATT_OK) {
+ gattc_profile_tab[param->reg.app_id].gattc_if = gattc_if;
+ } else {
+ ESP_LOGI(COEX_TAG, "reg app failed, app_id %04x, status %d\n",
+ param->reg.app_id,
+ param->reg.status);
+ return;
+ }
+ }
+
+ /* If the gattc_if equal to profile A, call profile A cb handler,
+ * so here call each profile's callback */
+ do {
+ int idx;
+ for (idx = 0; idx < GATTC_PROFILE_NUM; idx ++) {
+ if (gattc_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
+ gattc_if == gattc_profile_tab[idx].gattc_if) {
+ if (gattc_profile_tab[idx].gattc_cb) {
+ gattc_profile_tab[idx].gattc_cb(event, gattc_if, param);
+ }
+ }
+ }
+ } while (0);
+}
+
+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) {
+ gatts_profile_tab[param->reg.app_id].gatts_if = gatts_if;
+ } else {
+ ESP_LOGI(COEX_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 < GATTS_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 == gatts_profile_tab[idx].gatts_if) {
+ if (gatts_profile_tab[idx].gatts_cb) {
+ gatts_profile_tab[idx].gatts_cb(event, gatts_if, param);
+ }
+ }
+ }
+ } while (0);
+}
+
+void app_main()
+{
+ esp_err_t ret;
+
+ // Initialize NVS.
+ ret = nvs_flash_init();
+ if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+ ESP_ERROR_CHECK(nvs_flash_erase());
+ ret = nvs_flash_init();
+ }
+ ESP_ERROR_CHECK( ret );
+
+ ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
+
+ esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
+ ret = esp_bt_controller_init(&bt_cfg);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "%s initialize controller failed: %s\n", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "%s enable controller failed: %s\n", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bluedroid_init();
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "%s init bluetooth failed: %s\n", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bluedroid_enable();
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "%s enable bluetooth failed: %s\n", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_ble_gap_register_callback(gap_event_handler);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "gap register error, error code = %x", ret);
+ return;
+ }
+
+ // gatts register
+ ret = esp_ble_gatts_register_callback(gatts_event_handler);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "gatts register error, error code = %x", ret);
+ return;
+ }
+
+ ret = esp_ble_gatts_app_register(GATTS_PROFILE_A_APP_ID);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "gatts app register error, error code = %x", ret);
+ return;
+ }
+
+ ret = esp_ble_gatts_app_register(GATTS_PROFILE_B_APP_ID);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "gatts app register error, error code = %x", ret);
+ return;
+ }
+
+ // gattc regisrter
+ ret = esp_ble_gattc_register_callback(esp_gattc_cb);
+ if(ret) {
+ ESP_LOGE(COEX_TAG, "%s gattc register failed, error code = %x\n", __func__, ret);
+ return;
+ }
+
+ ret = esp_ble_gattc_app_register(GATTC_PROFILE_C_APP_ID);
+ if (ret) {
+ ESP_LOGE(COEX_TAG, "%s gattc app register failed, error code = %x\n", __func__, ret);
+ }
+
+ esp_err_t local_mtu_ret = esp_ble_gatt_set_local_mtu(500);
+ if (local_mtu_ret) {
+ ESP_LOGE(COEX_TAG, "set local MTU failed, error code = %x", local_mtu_ret);
+ }
+
+ return;
+}
+
projects / esp-idf / commitdiff