--- /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.
+*/
+
+/********************************************************************************
+*
+* This file is for gatt server. It can send adv data, and get connected by client.
+*
+*********************************************************************************/
+
+
+ #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 "esp_bt.h"
+
+#include "esp_gap_ble_api.h"
+#include "esp_gatts_api.h"
+#include "esp_bt_main.h"
+#include "ble_compatibility_test.h"
+#include "esp_gatt_common_api.h"
+
+#define DEBUG_ON 0
+
+#if DEBUG_ON
+#define EXAMPLE_DEBUG ESP_LOGI
+#else
+#define EXAMPLE_DEBUG( tag, format, ... )
+#endif
+
+#define EXAMPLE_TAG "BLE_COMP"
+
+#define PROFILE_NUM 1
+#define PROFILE_APP_IDX 0
+#define ESP_APP_ID 0x55
+#define SAMPLE_DEVICE_NAME "BLE_COMP_TEST"
+#define SVC_INST_ID 0
+
+/* The max length of characteristic value. When the gatt client write or prepare write,
+* the data length must be less than GATTS_EXAMPLE_CHAR_VAL_LEN_MAX.
+*/
+#define GATTS_EXAMPLE_CHAR_VAL_LEN_MAX 500
+#define LONG_CHAR_VAL_LEN 500
+#define SHORT_CHAR_VAL_LEN 10
+#define GATTS_NOTIFY_FIRST_PACKET_LEN_MAX 20
+
+#define PREPARE_BUF_MAX_SIZE 1024
+#define CHAR_DECLARATION_SIZE (sizeof(uint8_t))
+
+#define ADV_CONFIG_FLAG (1 << 0)
+#define SCAN_RSP_CONFIG_FLAG (1 << 1)
+
+static uint8_t adv_config_done = 0;
+
+uint16_t gatt_db_handle_table[HRS_IDX_NB];
+
+typedef struct {
+ uint8_t *prepare_buf;
+ int prepare_len;
+} prepare_type_env_t;
+
+static prepare_type_env_t prepare_write_env;
+
+//#define CONFIG_SET_RAW_ADV_DATA
+#ifdef CONFIG_SET_RAW_ADV_DATA
+static uint8_t raw_adv_data[] = {
+ /* flags */
+ 0x02, 0x01, 0x06,
+ /* tx power*/
+ 0x02, 0x0a, 0xeb,
+ /* service uuid */
+ 0x03, 0x03, 0xFF, 0x00,
+ /* device name */
+ 0x0E, 0x09, 'B', 'L', 'E', '_', 'C', 'O','M', 'P', '_', 'T','E', 'S', 'T'
+};
+static uint8_t raw_scan_rsp_data[] = {
+ /* flags */
+ 0x02, 0x01, 0x06,
+ /* tx power */
+ 0x02, 0x0a, 0xeb,
+ /* service uuid */
+ 0x03, 0x03, 0xFF,0x00
+};
+
+#else
+static uint8_t service_uuid[16] = {
+ /* LSB <--------------------------------------------------------------------------------> MSB */
+ //first uuid, 16bit, [12],[13] is the value
+ 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
+};
+
+/* The length of adv data must be less than 31 bytes */
+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, //TEST_MANUFACTURER_DATA_LEN,
+ .p_manufacturer_data = NULL, //test_manufacturer,
+ .service_data_len = 0,
+ .p_service_data = NULL,
+ .service_uuid_len = sizeof(service_uuid),
+ .p_service_uuid = service_uuid,
+ .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 = 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 = 16,
+ .p_service_uuid = service_uuid,
+ .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 adv_params = {
+ .adv_int_min = 0x40,
+ .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,
+};
+
+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;
+};
+
+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);
+
+/* 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 heart_rate_profile_tab[PROFILE_NUM] = {
+ [PROFILE_APP_IDX] = {
+ .gatts_cb = gatts_profile_event_handler,
+ .gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
+ },
+};
+
+/* Service */
+static const uint16_t GATTS_SERVICE_UUID_TEST = 0x00FF;
+static const uint16_t CHAR_1_SHORT_WR = 0xFF01;
+static const uint16_t CHAR_2_LONG_WR = 0xFF02;
+static const uint16_t CHAR_3_SHORT_NOTIFY = 0xFF03;
+
+static const uint16_t primary_service_uuid = ESP_GATT_UUID_PRI_SERVICE;
+static const uint16_t character_declaration_uuid = ESP_GATT_UUID_CHAR_DECLARE;
+static const uint16_t character_client_config_uuid = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
+static const uint16_t character_user_description = ESP_GATT_UUID_CHAR_DESCRIPTION;
+static const uint8_t char_prop_read = ESP_GATT_CHAR_PROP_BIT_READ;
+static const uint8_t char_prop_write = ESP_GATT_CHAR_PROP_BIT_WRITE;
+static const uint8_t char_prop_notify = ESP_GATT_CHAR_PROP_BIT_NOTIFY;
+static const uint8_t char_prop_read_write = ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_READ;
+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;
+static const uint8_t char1_name[] = "Char_1_Short_WR";
+static const uint8_t char2_name[] = "Char_2_Long_WR";
+static const uint8_t char3_name[] = "Char_3_Short_Notify";
+static const uint8_t char_ccc[2] = {0x00, 0x00};
+static const uint8_t char_value[4] = {0x11, 0x22, 0x33, 0x44};
+
+
+/* Full Database Description - Used to add attributes into the database */
+static const esp_gatts_attr_db_t gatt_db[HRS_IDX_NB] =
+{
+ // Service Declaration
+ [IDX_SVC] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ,
+ sizeof(uint16_t), sizeof(GATTS_SERVICE_UUID_TEST), (uint8_t *)&GATTS_SERVICE_UUID_TEST}},
+
+ /* Characteristic Declaration */
+ [IDX_CHAR_A] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
+ CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write}},
+
+ /* Characteristic Value */
+ [IDX_CHAR_VAL_A] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&CHAR_1_SHORT_WR, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE | ESP_GATT_PERM_READ_ENC_MITM,
+ SHORT_CHAR_VAL_LEN, sizeof(char_value), (uint8_t *)char_value}},
+
+ /* Characteristic User Descriptor */
+ [IDX_CHAR_CFG_A] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_user_description, ESP_GATT_PERM_READ,
+ sizeof(char1_name), sizeof(char1_name), (uint8_t *)char1_name}},
+
+ /* Characteristic Declaration */
+ [IDX_CHAR_B] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
+ CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write}},
+
+ /* Characteristic Value */
+ [IDX_CHAR_VAL_B] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&CHAR_2_LONG_WR, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
+ LONG_CHAR_VAL_LEN, sizeof(char_value), (uint8_t *)char_value}},
+
+ /* Characteristic User Descriptor */
+ [IDX_CHAR_CFG_B] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_user_description, ESP_GATT_PERM_READ,
+ sizeof(char2_name), sizeof(char2_name), (uint8_t *)char2_name}},
+
+ /* Characteristic Declaration */
+ [IDX_CHAR_C] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
+ CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_notify}},
+
+ /* Characteristic Value */
+ [IDX_CHAR_VAL_C] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&CHAR_3_SHORT_NOTIFY, 0,
+ LONG_CHAR_VAL_LEN, sizeof(char_value), (uint8_t *)char_value}},
+
+ /* Characteristic User Descriptor */
+ [IDX_CHAR_CFG_C] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_user_description, ESP_GATT_PERM_READ,
+ sizeof(char3_name), sizeof(char3_name), (uint8_t *)char3_name}},
+
+ /* Characteristic Client Configuration Descriptor */
+ [IDX_CHAR_CFG_C_2] =
+ {{ESP_GATT_AUTO_RSP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
+ sizeof(uint16_t), sizeof(char_ccc), (uint8_t *)char_ccc}},
+
+};
+
+static void show_bonded_devices(void)
+{
+ int dev_num = esp_ble_get_bond_device_num();
+
+ esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
+ esp_ble_get_bond_device_list(&dev_num, dev_list);
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "Bonded devices number : %d\n", dev_num);
+
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "Bonded devices list : %d\n", dev_num);
+ for (int i = 0; i < dev_num; i++) {
+ #if DEBUG_ON
+ esp_log_buffer_hex(EXAMPLE_TAG, (void *)dev_list[i].bd_addr, sizeof(esp_bd_addr_t));
+ #endif
+ }
+
+ free(dev_list);
+}
+
+static void __attribute__((unused)) remove_all_bonded_devices(void)
+{
+ int dev_num = esp_ble_get_bond_device_num();
+
+ esp_ble_bond_dev_t *dev_list = (esp_ble_bond_dev_t *)malloc(sizeof(esp_ble_bond_dev_t) * dev_num);
+ esp_ble_get_bond_device_list(&dev_num, dev_list);
+ for (int i = 0; i < dev_num; i++) {
+ esp_ble_remove_bond_device(dev_list[i].bd_addr);
+ }
+
+ free(dev_list);
+}
+
+static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
+{
+ switch (event) {
+ #ifdef CONFIG_SET_RAW_ADV_DATA
+ case ESP_GAP_BLE_ADV_DATA_RAW_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_RAW_SET_COMPLETE_EVT:
+ adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
+ if (adv_config_done == 0){
+ esp_ble_gap_start_advertising(&adv_params);
+ }
+ break;
+ #else
+ 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;
+ #endif
+ 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(EXAMPLE_TAG, "advertising start failed");
+ }else{
+ ESP_LOGI(EXAMPLE_TAG, "(0) ***** 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(EXAMPLE_TAG, "Advertising stop failed");
+ }
+ else {
+ ESP_LOGI(EXAMPLE_TAG, "Stop adv successfully\n");
+ }
+ break;
+ case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "update connection params status = %d, min_int = %d, max_int = %d,conn_int = %d,latency = %d, timeout = %d",
+ 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_PASSKEY_REQ_EVT: /* passkey request event */
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
+ //esp_ble_passkey_reply(heart_rate_profile_tab[HEART_PROFILE_APP_IDX].remote_bda, true, 0x00);
+ break;
+
+ case ESP_GAP_BLE_NC_REQ_EVT:
+ /* The app will receive this event when the IO has DisplayYesNO capability and the peer device IO also has DisplayYesNo capability.
+ show the passkey number to the user to confirm it with the number displayed by peer device. */
+ ESP_LOGI(EXAMPLE_TAG, "ESP_GAP_BLE_NC_REQ_EVT, the passkey Notify number:%d", param->ble_security.key_notif.passkey);
+ break;
+ case ESP_GAP_BLE_SEC_REQ_EVT:
+ /* send the positive(true) security response to the peer device to accept the security request.
+ If not accept the security request, should send the security response with negative(false) accept value*/
+ esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, true);
+ break;
+ case ESP_GAP_BLE_PASSKEY_NOTIF_EVT: ///the app will receive this evt when the IO has Output capability and the peer device IO has Input capability.
+ ///show the passkey number to the user to input it in the peer device.
+ ESP_LOGI(EXAMPLE_TAG, "The passkey notify number:%d", param->ble_security.key_notif.passkey);
+ break;
+ case ESP_GAP_BLE_KEY_EVT:
+ //shows the ble key info share with peer device to the user.
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "key type = %s", esp_key_type_to_str(param->ble_security.ble_key.key_type));
+ break;
+ case ESP_GAP_BLE_AUTH_CMPL_EVT: {
+ esp_bd_addr_t bd_addr;
+ memcpy(bd_addr, param->ble_security.auth_cmpl.bd_addr, sizeof(esp_bd_addr_t));
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "remote BD_ADDR: %08x%04x",\
+ (bd_addr[0] << 24) + (bd_addr[1] << 16) + (bd_addr[2] << 8) + bd_addr[3],
+ (bd_addr[4] << 8) + bd_addr[5]);
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "address type = %d", param->ble_security.auth_cmpl.addr_type);
+ if (param->ble_security.auth_cmpl.success){
+ ESP_LOGI(EXAMPLE_TAG, "(1) ***** pair status = success ***** \n");
+ }
+ else {
+ ESP_LOGI(EXAMPLE_TAG, "***** pair status = fail, reason = 0x%x *****\n", param->ble_security.auth_cmpl.fail_reason);
+ }
+ show_bonded_devices();
+ break;
+ }
+ case ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT: {
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "ESP_GAP_BLE_REMOVE_BOND_DEV_COMPLETE_EVT status = %d", param->remove_bond_dev_cmpl.status);
+ #if DEBUG_ON
+ esp_log_buffer_hex(EXAMPLE_TAG, (void *)param->remove_bond_dev_cmpl.bd_addr, sizeof(esp_bd_addr_t));
+ #endif
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "------------------------------------");
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+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)
+{
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "prepare write, handle = %d, value len = %d", param->write.handle, param->write.len);
+ esp_gatt_status_t status = ESP_GATT_OK;
+ 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(EXAMPLE_TAG, "%s, Gatt_server prep no mem", __func__);
+ 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;
+ }
+ }
+ /*send response when param->write.need_rsp is true */
+ if (param->write.need_rsp){
+ esp_gatt_rsp_t *gatt_rsp = (esp_gatt_rsp_t *)malloc(sizeof(esp_gatt_rsp_t));
+ if (gatt_rsp != NULL){
+ 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(EXAMPLE_TAG, "Send response error");
+ }
+ free(gatt_rsp);
+ }else{
+ ESP_LOGE(EXAMPLE_TAG, "%s, malloc failed", __func__);
+ }
+ }
+ 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;
+
+}
+uint8_t long_write[16] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF};
+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 && prepare_write_env->prepare_buf){
+ if(prepare_write_env->prepare_len == 256) {
+ bool long_write_success = true;
+ for(uint16_t i = 0; i < prepare_write_env->prepare_len; i ++) {
+ if(prepare_write_env->prepare_buf[i] != long_write[i%16]) {
+ long_write_success = false;
+ break;
+ }
+ }
+ if(long_write_success) {
+ ESP_LOGI(EXAMPLE_TAG, "(4) ***** long write success ***** \n");
+ }
+ }
+ }else{
+ ESP_LOGI(EXAMPLE_TAG,"ESP_GATT_PREP_WRITE_CANCEL");
+ }
+ 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_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_err_t set_dev_name_ret = esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME);
+ if (set_dev_name_ret){
+ ESP_LOGE(EXAMPLE_TAG, "set device name failed, error code = %x", 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(EXAMPLE_TAG, "config raw adv data failed, error code = %x ", 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(EXAMPLE_TAG, "config raw scan rsp data failed, error code = %x", 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(EXAMPLE_TAG, "config adv data failed, error code = %x", 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(EXAMPLE_TAG, "config scan response data failed, error code = %x", ret);
+ }
+ adv_config_done |= SCAN_RSP_CONFIG_FLAG;
+ #endif
+ esp_err_t create_attr_ret = esp_ble_gatts_create_attr_tab(gatt_db, gatts_if, HRS_IDX_NB, SVC_INST_ID);
+ if (create_attr_ret){
+ ESP_LOGE(EXAMPLE_TAG, "create attr table failed, error code = %x", create_attr_ret);
+ }
+ }
+ break;
+ case ESP_GATTS_READ_EVT:
+ //ESP_LOGE(EXAMPLE_TAG, "ESP_GATTS_READ_EVT, handle=0x%d, offset=%d", param->read.handle, param->read.offset);
+ if(gatt_db_handle_table[IDX_CHAR_VAL_A] == param->read.handle) {
+ ESP_LOGE(EXAMPLE_TAG, "(2) ***** read char1 ***** \n");
+ }
+ if(gatt_db_handle_table[IDX_CHAR_VAL_B] == param->read.handle) {
+ ESP_LOGE(EXAMPLE_TAG, "(5) ***** read char2 ***** \n");
+ }
+ break;
+ case ESP_GATTS_WRITE_EVT:
+ if (!param->write.is_prep){
+ // the data length of gattc write must be less than GATTS_EXAMPLE_CHAR_VAL_LEN_MAX.
+ if (gatt_db_handle_table[IDX_CHAR_CFG_C_2] == param->write.handle && param->write.len == 2){
+ uint16_t descr_value = param->write.value[1]<<8 | param->write.value[0];
+ uint8_t notify_data[2];
+ notify_data[0] = 0xAA;
+ notify_data[1] = 0xBB;
+
+ if (descr_value == 0x0001){
+ //the size of notify_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatt_db_handle_table[IDX_CHAR_VAL_C],
+ sizeof(notify_data), notify_data, false);
+ ESP_LOGI(EXAMPLE_TAG, "(6) ***** send notify AA BB ***** \n");
+ }else if (descr_value == 0x0002){
+ //the size of indicate_data[] need less than MTU size
+ esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, gatt_db_handle_table[IDX_CHAR_VAL_C],
+ sizeof(notify_data), notify_data, true);
+ }
+ else if (descr_value == 0x0000){
+ ESP_LOGI(EXAMPLE_TAG, "notify/indicate disable ");
+ }else{
+ ESP_LOGE(EXAMPLE_TAG, "unknown descr value");
+ esp_log_buffer_hex(EXAMPLE_TAG, param->write.value, param->write.len);
+ }
+
+ }
+ if(gatt_db_handle_table[IDX_CHAR_VAL_A] == param->write.handle && param->write.len == 2) {
+ uint8_t write_data[2] = {0x88, 0x99};
+ if(memcmp(write_data, param->write.value, param->write.len) == 0) {
+ ESP_LOGI(EXAMPLE_TAG, "(3)***** short write success ***** \n");
+ }
+ }
+
+ /* send response when param->write.need_rsp is true*/
+ if (param->write.need_rsp){
+ esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
+ }
+ }else{
+ /* handle prepare write */
+ example_prepare_write_event_env(gatts_if, &prepare_write_env, param);
+ }
+ break;
+ case ESP_GATTS_EXEC_WRITE_EVT:
+ // the length of gattc prepare write data must be less than GATTS_EXAMPLE_CHAR_VAL_LEN_MAX.
+ ESP_LOGI(EXAMPLE_TAG, "ESP_GATTS_EXEC_WRITE_EVT, Length=%d", prepare_write_env.prepare_len);
+ example_exec_write_event_env(&prepare_write_env, param);
+ break;
+ case ESP_GATTS_MTU_EVT:
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "ESP_GATTS_MTU_EVT, MTU %d", param->mtu.mtu);
+ break;
+ case ESP_GATTS_CONF_EVT:
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "ESP_GATTS_CONF_EVT, status = %d", param->conf.status);
+ break;
+ case ESP_GATTS_START_EVT:
+ EXAMPLE_DEBUG(EXAMPLE_TAG, "SERVICE_START_EVT, status %d, service_handle %d", param->start.status, param->start.service_handle);
+ break;
+ case ESP_GATTS_CONNECT_EVT:
+ ESP_LOGI(EXAMPLE_TAG, "ESP_GATTS_CONNECT_EVT, conn_id = %d", param->connect.conn_id);
+ /* start security connect with peer device when receive the connect event sent by the master */
+ esp_ble_set_encryption(param->connect.remote_bda, ESP_BLE_SEC_ENCRYPT_MITM);
+ break;
+ case ESP_GATTS_DISCONNECT_EVT:
+ ESP_LOGI(EXAMPLE_TAG, "ESP_GATTS_DISCONNECT_EVT, reason = %d", param->disconnect.reason);
+ esp_ble_gap_start_advertising(&adv_params);
+ break;
+ case ESP_GATTS_CREAT_ATTR_TAB_EVT:{
+ if (param->add_attr_tab.status != ESP_GATT_OK){
+ ESP_LOGE(EXAMPLE_TAG, "create attribute table failed, error code=0x%x", param->add_attr_tab.status);
+ }
+ else if (param->add_attr_tab.num_handle != HRS_IDX_NB){
+ ESP_LOGE(EXAMPLE_TAG, "create attribute table abnormally, num_handle (%d) \
+ doesn't equal to HRS_IDX_NB(%d)", param->add_attr_tab.num_handle, HRS_IDX_NB);
+ }
+ else {
+ ESP_LOGI(EXAMPLE_TAG, "create attribute table successfully, the number handle = %d\n",param->add_attr_tab.num_handle);
+ memcpy(gatt_db_handle_table, param->add_attr_tab.handles, sizeof(gatt_db_handle_table));
+ esp_ble_gatts_start_service(gatt_db_handle_table[IDX_SVC]);
+ }
+ break;
+ }
+ 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) {
+ heart_rate_profile_tab[PROFILE_APP_IDX].gatts_if = gatts_if;
+ } else {
+ ESP_LOGE(EXAMPLE_TAG, "reg app failed, app_id %04x, status %d",
+ param->reg.app_id,
+ param->reg.status);
+ return;
+ }
+ }
+ do {
+ int idx;
+ for (idx = 0; idx < PROFILE_NUM; idx++) {
+ /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
+ if (gatts_if == ESP_GATT_IF_NONE || gatts_if == heart_rate_profile_tab[idx].gatts_if) {
+ if (heart_rate_profile_tab[idx].gatts_cb) {
+ heart_rate_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) {
+ ESP_ERROR_CHECK(nvs_flash_erase());
+ ret = nvs_flash_init();
+ }
+ ESP_ERROR_CHECK( ret );
+
+ ESP_ERROR_CHECK(nvs_flash_erase());
+
+ 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(EXAMPLE_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
+ if (ret) {
+ ESP_LOGE(EXAMPLE_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bluedroid_init();
+ if (ret) {
+ ESP_LOGE(EXAMPLE_TAG, "%s init bluetooth failed: %s", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_bluedroid_enable();
+ if (ret) {
+ ESP_LOGE(EXAMPLE_TAG, "%s enable bluetooth failed: %s", __func__, esp_err_to_name(ret));
+ return;
+ }
+
+ ret = esp_ble_gatts_register_callback(gatts_event_handler);
+ if (ret){
+ ESP_LOGE(EXAMPLE_TAG, "gatts register error, error code = %x", ret);
+ return;
+ }
+
+ ret = esp_ble_gap_register_callback(gap_event_handler);
+ if (ret){
+ ESP_LOGE(EXAMPLE_TAG, "gap register error, error code = %x", ret);
+ return;
+ }
+
+ ret = esp_ble_gatts_app_register(ESP_APP_ID);
+ if (ret){
+ ESP_LOGE(EXAMPLE_TAG, "gatts app register error, error code = %x", ret);
+ return;
+ }
+
+ esp_err_t local_mtu_ret = esp_ble_gatt_set_local_mtu(33);
+ if (local_mtu_ret){
+ ESP_LOGE(EXAMPLE_TAG, "set local MTU failed, error code = %x", local_mtu_ret);
+ }
+
+ /* set the security iocap & auth_req & key size & init key response key parameters to the stack*/
+ esp_ble_auth_req_t auth_req = ESP_LE_AUTH_REQ_SC_MITM_BOND; //bonding with peer device after authentication
+ esp_ble_io_cap_t iocap = ESP_IO_CAP_OUT; //set the IO capability to No output No input
+ uint8_t key_size = 16; //the key size should be 7~16 bytes
+ uint8_t init_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
+ uint8_t rsp_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
+ uint32_t passkey = 123456;
+ esp_ble_gap_set_security_param(ESP_BLE_SM_SET_STATIC_PASSKEY, &passkey, sizeof(uint32_t));
+ esp_ble_gap_set_security_param(ESP_BLE_SM_AUTHEN_REQ_MODE, &auth_req, sizeof(uint8_t));
+ esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
+ esp_ble_gap_set_security_param(ESP_BLE_SM_MAX_KEY_SIZE, &key_size, sizeof(uint8_t));
+ /* If your BLE device act as a Slave, the init_key means you hope which types of key of the master should distribute to you,
+ and the response key means which key you can distribute to the Master;
+ If your BLE device act as a master, the response key means you hope which types of key of the slave should distribute to you,
+ and the init key means which key you can distribute to the slave. */
+ esp_ble_gap_set_security_param(ESP_BLE_SM_SET_INIT_KEY, &init_key, sizeof(uint8_t));
+ esp_ble_gap_set_security_param(ESP_BLE_SM_SET_RSP_KEY, &rsp_key, sizeof(uint8_t));
+
+}
projects / esp-idf / commitdiff