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esp-idf/examples/bluetooth/nimble/ble_periodic_adv
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Leonardo Bispo 05a5dba7a4 component path relative to IDF 
Change the component path to relative to the IDF as the build will fail if the example is moved from its folder.

(cherry picked from commit 4011f5ce595d114c69c46298088440a230eed937)
Signed-off-by: Rahul Tank <rahul.tank@espressif.com>
2023-02-20 10:09:18 +05:30
..
main Nimble: Added return value (success / failure ) to nimble_port_init 2023-01-31 12:01:02 +05:30
CMakeLists.txt component path relative to IDF 2023-02-20 10:09:18 +05:30
README.md Nimble: Add example for periodic adv/sync 2022-09-22 10:54:47 +05:30
sdkconfig.defaults Nimble: Add example for periodic adv/sync 2022-09-22 10:54:47 +05:30

README.md

Supported Targets ESP32-C2 ESP32-C3 ESP32-S3

BLE Periodic Advertiser Example

(See the README.md file in the upper level 'examples' directory for more information about examples.)

This example starts periodic advertising with non resolvable private address.

It uses Bluetooth controller and NimBLE stack based BLE host.

This example aims at understanding periodic advertisement and related NimBLE APIs.

To test this demo, any BLE Periodic Sync app can be used.

Note :

  • Make sure to run python -m pip install --user -r $IDF_PATH/requirements.txt -r $IDF_PATH/tools/ble/requirements.txt to install the dependency packages needed.
  • Currently this Python utility is only supported on Linux (BLE communication is via BLuez + DBus).

How to Use Example

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

idf.py set-target <chip_name>

Configure the project

Open the project configuration menu:

idf.py menuconfig

In the Example Configuration menu:

  • Select I/O capabilities of device from Example Configuration --> I/O Capability, default is Just_works.

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

There is this console output when periodic_adv is started:

I (313) BTDM_INIT: BT controller compile version [2ee0168]
I (313) phy_init: phy_version 912,d001756,Jun  2 2022,16:28:07
I (353) system_api: Base MAC address is not set
I (353) system_api: read default base MAC address from EFUSE
I (353) BTDM_INIT: Bluetooth MAC: 84:f7:03:08:14:8e

I (363) NimBLE_BLE_PERIODIC_ADV: BLE Host Task Started
I (373) NimBLE: Device Address: 
I (373) NimBLE: d0:42:3a:95:84:05
I (373) NimBLE: 

I (383) NimBLE: instance 1 started (periodic)

Note

  • Periodic sync transfer is not implemented for now.

Troubleshooting

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