ble_app_uart peripheral example, SDK12.3, 51822, turning advertising on/off

RE: ble_app_uart peripheral example, SDK12.3, 51822, turning advertising on/off

Robin — Mon, 02 Mar 2020 14:51:02 GMT

Hello Hung Bui,

Thank you very much. This info should help simplify my efforts. Your expert advice is greatly appreciated.

I will post my final code and results when I get back to resolving this issue

Robin @ TL

RE: ble_app_uart peripheral example, SDK12.3, 51822, turning advertising on/off

Hung Bui — Mon, 02 Mar 2020 11:21:11 GMT

Hi Robin,

The question is to check if you use the ble_advertising module to do your initial advertising. If the module is being used, the advertising will restart automatically after disconnected.
So what you need to do is to remove the call on_disconnected() inside ble_advertising_on_ble_evt() in ble_advertising.c

And then in your own code you can start advertising again by calling ble_advertising_start() with the mode you want.

To disconnect you can call sd_ble_gap_disconnect() to request the connection to be terminated. There will be BLE_GAP_EVT_DISCONNECTED event after the connection is disconnected.

RE: ble_app_uart peripheral example, SDK12.3, 51822, turning advertising on/off

Robin — Fri, 28 Feb 2020 15:04:05 GMT

Hello Hung Bui,

Thank you for the prompt reply. So, I am not totally sure if the ble_advertising code is being used, but the c file with that name is within the project, and that file is the is the only place, other that a header that creates macros with them, that I can find calls to the ... start and ...stop functions.

What is the point of your question. How would the disconnect/stop_adv/restart_adv process change if it is being used?

Thank you again,

Robin @ TL

RE: ble_app_uart peripheral example, SDK12.3, 51822, turning advertising on/off

Hung Bui — Fri, 28 Feb 2020 14:08:50 GMT

Hi Robin,

Do you use the ble_advertising in your firmware ?

If you don't use the ble_advertising but rather use the softdevice API to initialize and start advertising, you can follow this message sequence chart: https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s130.api.v2.0.1/group___b_l_e___g_a_p___a_d_v___m_s_c.html?cp=5_7_2_2_2_1_3_0

You are free to use this function, but you need to follow the requirement of the priority context that there has to be called from application low priority or in main() context.