Lockup with SDK12.3 with FreeRTOS power consumption fix.

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Justin — Sat, 16 Dec 2017 00:43:42 GMT

the only files used from sdk 14.2 were the those in external/freertos. the only modification needed was just a renaming of the softdevice handler:

#include "nrf_sdh.h" --> #include "softdevice_handler.h"

and

if (nrf_sdh_is_enabled()) --> if (softdevice_handler_is_enabled())

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Dave_couling — Fri, 15 Dec 2017 22:32:51 GMT

Awesome to hear. How was the migrate of the external/ files? If I recall there are some integration measure to get it to compile.

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Justin — Fri, 15 Dec 2017 22:27:30 GMT

Using the FreeRTOS files from SDK14.2 resolves this issue......

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Justin — Tue, 12 Dec 2017 21:37:46 GMT

the task which handles softdevice events blocks on a semaphore given in the ble event handler. all other RTOS tasks just block on queues waiting for things to do.

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Dave_couling — Tue, 12 Dec 2017 20:53:13 GMT

Are you manually Suspending/Resuming Threads to save power?

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Dave_couling — Tue, 12 Dec 2017 20:52:31 GMT

I was able to capture one of the ASSERT in tasks.c related to this line of code" configASSERT( ( xTickCount + xTicksToJump ) <= xNextTaskUnblockTime );

I think this is a bug in the freeRTOS source files

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Justin — Tue, 12 Dec 2017 20:32:29 GMT

i've removed NRF LOG (RTT) and some nrf interrupts so that the only active IRQs are RTC and the WDT (and softdevice activity). the lockup still persists. so it would seem to be freertos (/config) or softdevice related.

RE: Lockup with SDK12.3 with FreeRTOS power consumption fix.

Dave_couling — Tue, 12 Dec 2017 01:04:31 GMT

I'm using Priority 6 for my Timer_task priority. Was getting odd behaviour when it was equal or less than other threads including BLE.