Radio Timeslot API s132 v5.0.0

[Sourabh]

Hi, I need to use the radio timeslot api in my application. I'm using nrf52 ,SDK 14.0.0 and softdevice version 5.0.0 . I've gone through the tutorial for setting up timeslot api. But was not able to follow some things as it is intended for SDK 11. I'm trying to set up the timeslot with ble_app_uart example, unable to locate the sys_evt_dispatch function as mentioned in the tutorial.

Could I get some help for using the timeslot api on the SDK 14.0.0 with sd 5.0.0

[Petter Myhre]

There have been changes to the SoftDevice handler library.

In SDK 14.x you need to use the NRF_SDH_SOC_OBSERVER macro. Similar to:

/* Define a nrf_sdh_soc event observer to receive SoftDevice system events. */ NRF_SDH_SOC_OBSERVER(m_sys_obs, 0, nrf_fstorage_sys_evt_handler, NULL);

Let me know if you get into trouble.

[Sourabh]

I actually need to advertise becon and data service packets simultaneously, could you suggest the best way to implement this ?

[Petter Myhre]

I'm assuming you can't fit both in one advertisement (+scan response)?

The easiest way would be to set the advertising timeout to 1 second. Then you can restart advertising with new data every time you get a timeout.

Another option is to use a timer and restart advertising with new data at a certain interval.

[Sourabh]

I want the device to advertise a non connectable beacon advertisement packet and also advertise connectable packet with nus service for data transfer(the device behaves as a becon and also a connectable device). Can this be implemented without using the timeslot?

[Petter Myhre]

So you can set the advertising timeout to 1 second. When you get a timeout you alternate between non connectable beacon and connectable advertising. So you have one second with non connectable beacon, then one second with connectable advertising, and so on. Will this work for you?

You can have less than one second by using a timer. When the timer expires restart advertising and alternate between connectable beacon and connectable advertising.

Timeslot gives you complete control over each single advertising packet.

You will have to figure out what kind of requirements you have.