Task_sleep in SYS/BIOS

Try using ROV (Tools -> ROV) to look at your Task instances. On the "Detailed" tab, you should be able to see in the "blockedOn" field that the task is blocked on Task_sleep, and I think it will show you how many ticks are remaining. You can also look the at the Clock module to see the current tick count.

Chris

Thank for your reply

When running, tick count alway  = 0 ? What problem?

The Clock module shows the tick count staying at zero?

Have you modified the Clock.tickPeriod value? It could be that the period is too long? If you're running on a simulator, that can really slow things down, too. 

Another explanation could be that you're overloading the system with hardware interrupts, and it's never getting a chance to run the Clock tick Swi.

Chris

Mark,

Sounds like your Timer is not ticking.  Bios needs a "heartbeat" when calling API's such as Task_sleep.  Typically, a Timer is setup by the Bios Clock module.  If you're using ROV, you can check whether a Timer has been created for such purpose.  See the "Timer" module, and you might want to check the "Hwi" module too because a hardware interrupt is usually created for this.

Judah

Thank Chris and Judah

- I am using board evmDM 8168( 1GHz DDR2, core C674x 800Mh)

- My Sample project was created by:use "Task mutex Example" in "Generic Examples" of Code Composer Studio 4.2.3. I only add "Task_sleep(10)" in 'task1" thread. Don't change Clock.tickPeriod value

-Here is source and config file in my project:

6888.Muxtex2.rar

- Same like Clock module was not working, I have tried many ways but no success

- Now, I cannot start ROV (error XDC path or tools location not set), I'm trying to fix it. I was watching tick value by use function "Clock_getTicks" function

- Any advice?  Thanks

Mark,

Do you know whether power & clock initialization (PRCM) for your timer(s) have been performed?  The DSP on evmDM8168 requires Timer #3 to be initialized.  If you happen to be using BIOS on the A8 core, you should also initialize timer #1.

PRCM configuration is typically done by the A8 processor (either via a .gel script or via some initialization code).

Regards,

Shreyas

Shreyas,

Thank you for your reply.

I'm using gel script in the enclosed file.

8764.Netra_vdb_ddr2_omx_single_noammu_nounicache_nohdvpss.rar

Could you please advise how to configure the timer #3 or #1 using A8 processor and gel script?

Thanks.

Mark - To get ROV working again, just go to Window -> Preferences. Then under CCS -> RTSC, select all of the products (XDCtools, BIOS, etc.) used in building your application. Then close and re-open ROV.

You should only have to do this, though, if the executable was built outside of CCS, and there isn't a CCS project associated with the app. Is this the case?

Thanks,

Chris

Thank Chris and Shreyas

- The script work OK. Task_sleep work good.

- My script got from Mr Marc J.D'Amato,  he support me for netra board

- P/S: Could you please advise how to configure the using A8 processor (A8 run Linux, load and run core C674)

Shreyas,

The GEL they are using came w/ the SDK download.  They started w/ SDK about 2 months back so i'm guessing its the GEL that came with SDK 5009.

Marc

Shreyas,

Actually it could also be the VC or VS specific GEL for DDR2.  I'll ask them.

Thanks, Marc

Mark,

What do you mean, advise how to configure the A8 to run Linux and load/run the C67x?

I sent the C6Accel : http://focus.ti.com/docs/toolsw/folders/print/c6accel-dsplibs.html to the team which has examples of how to run a DSP side algorithm from the ARM PoV.

Once you install the SW for DM816x, you get all you need.   There is a 'C:\c6accel_2_01_00_08' directory w/ /docs, /dsp, /soc + SW manifest.  Its a kit for the DM816x so it has the examples.

Go through the docs - Advanced Users Guide, ARM_Users_Documentation, FAQ, Image Processing API Ref Guide, Math API Ref Guide, Signal Processing Ref Guide but would be best to start w/ the 'Introduction to C6Accel' and 'Quick Overview and Suppot'.

Let me know how it goes.

Thanks.
Marc

Marc

I mean advise how to configure timer on C647 when start it from core A8 (run linux), same use menu "enableTimers" in script of Shreyas. Because now, when I start core C647 from core A8 (use "ProcMgr" module in sysLink library), the timer on C647 not work ==> Task_sleep not work

Regards

Hi Marc

- This is incorrect

- Error "Segmentation fault" when run on A8 (linux host). Address of timers not valid in linux host

Ragards

Mark,

Can you send me the A8 startup code including the timer-setup section?

Thanks.

Thank Rob and Marc very much

- It work now.