NCS: HW Peripheral use of Zephyr Bluetooth Controller

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

mesh777 — Mon, 21 Feb 2022 10:03:28 GMT

Thank you for reference Simon! By looking into the code (radio_nrf52832.h) I found that there is CONFIG_BT_CTLR_SW_SWITCH_SINGLE_TIMER which frees one of timers used by our application.

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

Simonr — Mon, 21 Feb 2022 09:26:56 GMT

PPI and DPPI for the Zephyr BLE contoller can be found here:

Best regards,

Simon

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

mesh777 — Mon, 21 Feb 2022 09:11:48 GMT

It is for SoftDevice Controller and I need information about Zephyr Controller (the second option of two available controllers, which is open source and selected by CONFIG_BT_LL_SW_SPLIT=y).

Currently I have interference between Zephyr Controller and application which is not the case if I use SoftDevice Controller. However Zephyr Controller uses less RAM and also we expect it to be more future proof. Therefore I need information about which exact peripherals it uses of nrf52 chip.

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

Simonr — Mon, 21 Feb 2022 07:19:56 GMT

Okay, I misunderstood your initial question then. I'm very sorry about that. The specific peripherals and instances used by the SoftDevice Controller this explained in detail here: Integration with applications — nrfxlib 1.9.99 documentation (nordicsemi.com).

Best regards,

Simon

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

mesh777 — Fri, 18 Feb 2022 09:01:41 GMT

Hi Simon, thanks for reply. I did not find the information I am searching for in the link you provided. I want to know which peripherals are reserved for Zephyr BT LE Controller, e.g. which Timers, PPI channels etc.

RE: NCS: HW Peripheral use of Zephyr Bluetooth Controller

Simonr — Fri, 18 Feb 2022 06:24:54 GMT

Please check out Zephyrs peripheral API reference here for details on each peripheral with instances, etc.

Best regards,

Simon