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esp-idf/examples/bluetooth/bluedroid/ble_50/ble50_security_server
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tutorial Readme for the bluedroid ble50 example with tutorial of walkthrough example. 2021-11-24 14:57:05 +05:30
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README.md Readme for the bluedroid ble50 example with tutorial of walkthrough example. 2021-11-24 14:57:05 +05:30
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README.md

Supported Targets ESP32-C3 ESP32-S3

ESP-IDF BLE50 Security Server Example

This example shows how to use the APIs to connect in secure manner with peer device and use encryption for data exchange.

To test this example, you can run ble50_security_client_demo, which starts scanning, connects to and starts encryption with ble50_sec_gattc_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 ble50_sec_gattc_demo will receive a ESP_GAP_BLE_AUTH_CMPL_EVT once the encryption procedure has completed.

Hardware Required

  • A development board with ESP32-C3 SoC, ESP32-S3 and BLE5.0 supoorted chips. (e.g., ESP32-C3-DevKitC-1, 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 (363) BTDM_INIT: BT controller compile version [3e61eea]
I (373) coexist: coexist rom version 8459080
I (373) phy_init: phy_version 500,985899c,Apr 19 2021,16:05:08
I (493) system_api: Base MAC address is not set
I (493) system_api: read default base MAC address from EFUSE
I (493) BTDM_INIT: Bluetooth MAC: 7c:df:a1:40:01:c5

I (503) SEC_GATTS_DEMO: app_main init bluetooth
I (523) SEC_GATTS_DEMO: ESP_GATTS_REG_EVT
I (523) SEC_GATTS_DEMO: The number handle = 8
I (523) SEC_GATTS_DEMO: ESP_GAP_BLE_SET_LOCAL_PRIVACY_COMPLETE_EVT, tatus = 0
I (523) SEC_GATTS_DEMO: ESP_GAP_BLE_EXT_ADV_SET_PARAMS_COMPLETE_EVT status 0
I (533) SEC_GATTS_DEMO: ESP_GAP_BLE_EXT_ADV_DATA_SET_COMPLETE_EVT status 0
I (543) SEC_GATTS_DEMO: ESP_GAP_BLE_EXT_ADV_START_COMPLETE_EVT, status = 0

Troubleshooting

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