I am working on an ESP32 Bluetooth project and I want the device to prompt for a password when connecting via Bluetooth. Currently, when I try to connect from a phone, it pairs automatically without asking for a password.
How can I configure the ESP32 so that it requests a password during the Bluetooth pairing process?
Thank you!
ESP-IDF v4.4.2
myCode
Code: Select all
esp_err_t alb_bluetoothInit(const char* device_name)
{
esp_err_t 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_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
ret = esp_bt_controller_init(&bt_cfg);
if (ret) {
ESP_LOGE(TAG, "initialize controller failed");
return ret;
}
ret = esp_bt_controller_enable(ESP_BT_MODE_CLASSIC_BT);
if (ret) {
ESP_LOGE(TAG, "enable controller failed");
return ret;
}
ret = esp_bluedroid_init();
if (ret) {
ESP_LOGE(TAG, "initialize bluedroid failed");
return ret;
}
ret = esp_bluedroid_enable();
if (ret) {
ESP_LOGE(TAG, "enable bluedroid failed");
return ret;
}
esp_bt_dev_set_device_name(device_name);
esp_spp_register_callback(spp_event_handler);
esp_spp_init(ESP_SPP_MODE_CB);
data_queue = xQueueCreate(DATA_QUEUE_SIZE, sizeof(char*));
if (data_queue == NULL) {
ESP_LOGE(TAG, "Failed to create data queue");
return ESP_FAIL;
}
data_len_queue = xQueueCreate(DATA_QUEUE_SIZE, sizeof(int));
if (data_len_queue == NULL) {
ESP_LOGE(TAG, "Failed to create data queue");
return ESP_FAIL;
}
bt_register_event_handler(bt_event_callback);
// GAP event handler'ı kaydet
ret = esp_bt_gap_register_callback(gap_event_handler);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "GAP callback registration failed: %s", esp_err_to_name(ret));
}
// Bluetooth PIN kodu ayarı
esp_bt_pin_type_t pin_type = ESP_BT_PIN_TYPE_FIXED;
uint8_t pass[16] = {1,2,3,4};
esp_bt_gap_set_pin(pin_type, BLUETOOTH_PIN_CODE_LEN, pas);
esp_spp_start_srv(ESP_SPP_SEC_AUTHENTICATE, ESP_SPP_ROLE_MASTER, 0, "SPP_SERVER");
printf("Bluetooth initialized successfully with name: %s\n", device_name);
return ESP_OK;
}