CCS/CC2642R: TI RTOS - List of IPCs that can be used in a driver callback function

POTHIRAJAN KANDASAMY

Part Number: CC2642R

Tool/software: Code Composer Studio

Have started working with TI RTOS. In my project I am trying to invoke an IPC from temperatureNotify driver's callback function (to send some message to my thread).

My project is derived from TI's example project: "simplelink_cc13x2_26x2_sdk_4_10_00_78\examples\rtos\CC26X2R1_LAUNCHXL\drivers\temperatureNotify" .

TI example File name TemperatureNotify.c

TI function name : void deltaNotificationFxn

I am looking at some consolidated information/doc about mapping between IPC's applicablity in HWI, SWI, device driver's callback function. Basically if we take an IPC (mail box) can I use them in HWI / SWI / Driver callback function? Any material to answer this question is good enough for me. Please share with me some help that leads to understanding the above.

Thanks in advance.

Regards,

Pothirajan.K

over 6 years ago

0 Elin W over 6 years ago

TI__Genius 14845 points

Hi Pothirajan,

Assigning an expert to comment.

Thanks,
Elin

0 IUsedToBeARealPerson (M-W) over 6 years ago

TI__Guru 58425 points

Hi Pothirajan,

The short answer is that you could use any non-blocking API from inside Hwi/Swi context (driver callbacks is either in this context or actual task context).

For example, you could use Event/Mailbox/Semaphore/Swi_post() or any other "post" APIs you might want to use. What you can't do is blocking APIs such as "pend" with a timeout given.

0 POTHIRAJAN KANDASAMY over 6 years ago in reply to IUsedToBeARealPerson (M-W)

Intellectual 600 points

Hi M-W,

Thanks for the answer. I was exploring in parallel (after asking the question) and found a neat table while going through resource explorer page. We have similar information all through out for all the IPCs I believe. Thanks again.

Regards,

Pothirajan.K

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CCS/CC2642R: TI RTOS - List of IPCs that can be used in a driver callback function