CCS/TMS320C5535: REQ: CCSv5.5 and 'C55x Simulator - How To Enable Timer0 IRQ's?

John,

As you may be aware, simulators are no longer supported and there are not many experts left in this area that can help answer questions. I have to admit that I personally don't have much experience or expertise in this subject so may not be able to help much here, but hopefully some community members who have used simulators in the past can chime in here with their input. I will still take a look at your project and let you know if anything jumps out.

Aarti,

The only thing you may have to change is the path to the tools including the include file path for the CGT.  It's built using the latest release for the c55x which is CGT 4.4.1.

The Timer0 IRQ isn't firing; once that works the simulation will be good enough to model the issue I'm trying to solve.

Thanks,

John

Hello Again Aarti,

It appears I have the Cycle Accurate simulator running - and the Timer0 IRQ is firing - but I would like TI to verify this - if that's OK.
I kindof have the simulator limping along right now - I need a more stable set-up; but it would appear that works. I'm setting the Clock for int4 and I am using the dat file for SINT4 - which seems to be OK - you'll see the tickIRQctr increment in the watch window.

I thought from the docs it was the other way around - that the functional simulator would do this vs. the CA. The targetConfig you want to point to for this is the one (.ccxml) that's under the targetConfigs dir in the project.

Thanks,
John

Aarti,

There's probably two issues going on - and this was happening to me too - you need to disable the SINT4 data file (disconnect) and make sure you are running the version of the ccxml that is in the root part of the project directory - I think I made a mistake telling you it was in the targetConfigs dir. Note I've updated the project on github - if you download that - load it - make sure the clock is enabled (I think you have to connect to the hw.int4 under setup but I think it works as long as the clock is running) - and then when you enable the SINT4 with the dat.txt file you'll see the Timer0 IRQ vector increment the tickCNTirq that's in the watch window.

Would be great if you could at least verify this. Shouldn't take that long after downloading the latest from github.

Also - CPU_119 is still an issue with these processors - hence why I need to do this. Trying to debug what I need to do on a target board is virtually impossible due to the CPU_119 issue.

Thanks,
John

Aarti,

Here's a couple of screen shots:

Thanks,
John W.

John,

Thank you for clarifying. Following your guidance and using the updated project from github, I can confirm that I see the same operation as you, and the Timer0 IRQ vector increments the tickIRQctr in the Expressions view.

Aarti,

Can you please verify that you loaded the functional vs. cycle accurate simulator?

Also, I've found that sometimes you have to completely reload to get the run to reset correctly. Sometimes just doing the 'load program' over works and sometimes I have to exit/re-enter the simulator. That may be just due to counts in the dat.txt file; and I've found that the numbers in that file don't seem to be that important; as long as the simulator runs and the tick counts start.

Thanks!
John

John Westmoreland43 said:

Can you please verify that you loaded the functional vs. cycle accurate simulator?

It is the functional simulator.

John Westmoreland43 said:

Also, I've found that sometimes you have to completely reload to get the run to reset correctly.

I noticed that as well.