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GATT Client API

Application Example

Check bluetooth/bluedroid/ble folder in ESP-IDF examples, which contains the following demos and their tutorials:

  • This is a GATT client demo and its tutorial. This demo can scan for devices, connect to the GATT server and discover its services.

    • bluetooth/bluedroid/ble/gatt_client
    • :example_file:`GATT Client Example Walkthrough <bluetooth/bluedroid/ble/gatt_client/tutorial/Gatt_Client_Example_Walkthrough.md>`

  • This is a multiple connection demo and its tutorial. This demo can connect to multiple GATT server devices and discover their services.

    • bluetooth/bluedroid/ble/gattc_multi_connect
    • :example_file:`GATT Client Multi-connection Example Walkthrough <bluetooth/bluedroid/ble/gattc_multi_connect/tutorial/Gatt_Client_Multi_Connection_Example_Walkthrough.md>`

  • This is a demo similar to Bluetooth® Low Energy (Bluetooth LE) SPP. This demo, which acts as a GATT client, can receive data from UART and then send the data to the peer device automatically.

    • bluetooth/bluedroid/ble/ble_spp_client

API Reference

inc/esp_gattc_api.inc