C++ (Cpp) esp_bt_dev_set_device_name Examples

Example #1

void bt_app_gap_start_up(void)
{
    char *dev_name = "ESP_GAP_INQRUIY";
    esp_bt_dev_set_device_name(dev_name);

    /* set discoverable and connectable mode, wait to be connected */
    esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);

    /* register GAP callback function */
    esp_bt_gap_register_callback(bt_app_gap_cb);

    /* inititialize device information and status */
    app_gap_cb_t *p_dev = &m_dev_info;
    memset(p_dev, 0, sizeof(app_gap_cb_t));

    /* start to discover nearby Bluetooth devices */
    p_dev->state = APP_GAP_STATE_DEVICE_DISCOVERING;
    esp_bt_gap_start_discovery(ESP_BT_INQ_MODE_GENERAL_INQUIRY, 10, 0);
}

Example #2

static void esp_spp_cb(uint16_t e, void *p)
{
    esp_spp_cb_event_t event = e;
    esp_spp_cb_param_t *param = p;

    switch (event) {
    case ESP_SPP_INIT_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
        esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
        esp_bt_gap_start_discovery(inq_mode, inq_len, inq_num_rsps);

        break;
    case ESP_SPP_DISCOVERY_COMP_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_DISCOVERY_COMP_EVT status=%d scn_num=%d",param->disc_comp.status, param->disc_comp.scn_num);
        if (param->disc_comp.status == ESP_SPP_SUCCESS) {
            esp_spp_connect(sec_mask, role_master, param->disc_comp.scn[0], peer_bd_addr);
        }
        break;
    case ESP_SPP_OPEN_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_OPEN_EVT");
        spp_wr_task_start_up(spp_write_handle, param->open.fd);
        break;
    case ESP_SPP_CLOSE_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_CLOSE_EVT");
        break;
    case ESP_SPP_START_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_START_EVT");
        break;
    case ESP_SPP_CL_INIT_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_CL_INIT_EVT");
        break;
    case ESP_SPP_SRV_OPEN_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_SRV_OPEN_EVT");
        break;
    default:
        break;
    }
}

Example #3

static void esp_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
{
    switch (event) {
    case ESP_SPP_INIT_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
        esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
        esp_bt_gap_start_discovery(inq_mode, inq_len, inq_num_rsps);

        break;
    case ESP_SPP_DISCOVERY_COMP_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_DISCOVERY_COMP_EVT status=%d scn_num=%d",param->disc_comp.status, param->disc_comp.scn_num);
        if (param->disc_comp.status == ESP_SPP_SUCCESS) {
            esp_spp_connect(sec_mask, role_master, param->disc_comp.scn[0], peer_bd_addr);
        }
        break;
    case ESP_SPP_OPEN_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_OPEN_EVT");
        esp_spp_write(param->srv_open.handle, SPP_DATA_LEN, spp_data);
        gettimeofday(&time_old, NULL);
        break;
    case ESP_SPP_CLOSE_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_CLOSE_EVT");
        break;
    case ESP_SPP_START_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_START_EVT");
        break;
    case ESP_SPP_CL_INIT_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_CL_INIT_EVT");
        break;
    case ESP_SPP_DATA_IND_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_DATA_IND_EVT");
        break;
    case ESP_SPP_CONG_EVT:
#if (SPP_SHOW_MODE == SPP_SHOW_DATA)
        ESP_LOGI(SPP_TAG, "ESP_SPP_CONG_EVT cong=%d", param->cong.cong);
#endif
        if (param->cong.cong == 0) {
            esp_spp_write(param->cong.handle, SPP_DATA_LEN, spp_data);
        }
        break;
    case ESP_SPP_WRITE_EVT:
#if (SPP_SHOW_MODE == SPP_SHOW_DATA)
        ESP_LOGI(SPP_TAG, "ESP_SPP_WRITE_EVT len=%d cong=%d", param->write.len , param->write.cong);
        esp_log_buffer_hex("",spp_data,SPP_DATA_LEN);
#else
        gettimeofday(&time_new, NULL);
        data_num += param->write.len;
        if (time_new.tv_sec - time_old.tv_sec >= 3) {
            print_speed();
        }
#endif
        if (param->write.cong == 0) {
            esp_spp_write(param->write.handle, SPP_DATA_LEN, spp_data);
        }
        break;
    case ESP_SPP_SRV_OPEN_EVT:
        ESP_LOGI(SPP_TAG, "ESP_SPP_SRV_OPEN_EVT");
        break;
    default:
        break;
    }
}