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esp-idf/examples/bluetooth/bluedroid/ble/gatt_security_server
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Djordje Nedic facab8c5a7 tools: Increase the minimal supported CMake version to 3.16 
This updates the minimal supported version of CMake to 3.16, which in turn enables us to use more CMake features and have a cleaner build system.
This is the version that provides most new features and also the one we use in our latest docker image for CI.
2022-06-01 06:35:02 +00:00
..
main components/bt: Update licenses 2021-12-08 10:59:06 +08:00
tutorial Bluetooth examples restructuring 2019-07-01 19:21:57 +08:00
CMakeLists.txt tools: Increase the minimal supported CMake version to 3.16 2022-06-01 06:35:02 +00:00
README.md docs: Rebase and typos fixed for the bluetooth README files 2021-11-16 16:56:47 +08:00
sdkconfig.defaults examples: fix sdkconfig warnings 2019-11-21 15:36:06 +01:00
sdkconfig.defaults.esp32 build: remove COMPILER_DISABLE_GCC8_WARNINGS, no longer relevant 2022-05-27 11:40:40 +07:00
sdkconfig.defaults.esp32c3 build: remove COMPILER_DISABLE_GCC8_WARNINGS, no longer relevant 2022-05-27 11:40:40 +07:00
sdkconfig.defaults.esp32h2 Bluedroid porting changes for esp32h2 2022-05-30 08:42:45 +00:00
sdkconfig.defaults.esp32s3 build: remove COMPILER_DISABLE_GCC8_WARNINGS, no longer relevant 2022-05-27 11:40:40 +07:00

README.md

Supported Targets ESP32 ESP32-C3

ESP-IDF Gatt Security Server Example

This example shows how to use the APIs to connect to and encrypt with peer devices.

To test this example, you can run gatt_security_client_demo, which starts scanning, connects to and starts encryption with gatt_security_server_demo automatically.

Please, check this tutorial for more information about this example.

How to Use Example

Before project configuration and build, be sure to set the correct chip target using:

idf.py set-target <chip_name>

There are some important points for this demo:
1.esp_ble_gap_set_security_param should be used to set the security parameters in the initial stage;
2.esp_ble_set_encryption should be used to start encryption with peer device. If the peer device initiates the encryption, esp_ble_gap_security_rsp should be used to send security response to the peer device when ESP_GAP_BLE_SEC_REQ_EVT is received.
3.The gatt_security_client_demo will receive a ESP_GAP_BLE_AUTH_CMPL_EVT once the encryption procedure has completed.

Hardware Required

  • A development board with ESP32/ESP32-C3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.)
  • A USB cable for Power supply and programming

See Development Boards for more information about it.

Build and Flash

Run idf.py -p PORT flash monitor to build, flash and monitor the project.

(To exit the serial monitor, type Ctrl-].)

See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects.

Example Output

I (0) cpu_start: Starting scheduler on APP CPU.
I (545) BTDM_INIT: BT controller compile version [d03a5d3]
I (545) system_api: Base MAC address is not set
I (545) system_api: read default base MAC address from EFUSE
I (555) phy_init: phy_version 4670,719f9f6,Feb 18 2021,17:07:07
I (905) SEC_GATTS_DEMO: app_main init bluetooth
I (1015) SEC_GATTS_DEMO: ESP_GAP_BLE_LOCAL_IR_EVT
I (1015) SEC_GATTS_DEMO: ESP_GAP_BLE_LOCAL_ER_EVT
I (1035) SEC_GATTS_DEMO: The number handle = 8
I (1065) SEC_GATTS_DEMO: advertising start success

Troubleshooting

For any technical queries, please open an issue on GitHub. We will get back to you soon.