PIC16F1779 Timer2 Interrupt problem [SOLVED]

[Sasi]

Hello,
The Timer2 interrupt of the PIC16F1779 MCU is not working for me in Flowcode10.
Martin (medelec35) sent me a modified 16F1779.fcdx file that I tested with.
viewtopic.php?t=3215
I would be happy if you could investigate it.
Thanks,
Sasi

16F1779.fcdx

(24.2 KiB) Downloaded 36 times

PIC16F1779_TMR2_INT_test.fcfx

(11.68 KiB) Downloaded 51 times

As a supplement, I would like to add that interrupts implemented using Timer0 and Timer1 work fine.

[medelec35]

Hi Sasi.
I have look at a simulator and its not setting bit7 for T2CON ON
Looking at fdc for 16F1779, all of the code for timer 2 interrupt is wrong as microchip changed the rules with this family.
I have made a lot of changes, hopefully timer 2 will work, but I can't test it as not got 16F1779

If it does work, I will change the affected fcds

[Sasi]

Hi Martin,
I tried it on hardware (Curiosity HPC Board), but unfortunately the Timer2 interrupt does not work with the modification.
Sasi

[medelec35]

Thank you for your patience and feedback, I have figured out what the issue is.
In the original code the clock source was left out.
I have now set the clock source to Fosc/4
Now you should see Timer2 working.

[Sasi]

Great! Now the Timer2 Interrupt works.
Thank you very much.
Regards,
Sasi

[medelec35]

That's great!
I'm glad I got it working for you.
Now that I have got used to setting up fdcx for 16F1779, I have gone a bit further by allowing you to select a Timer 2 source, rather than fixing the source.
Now you will have complete control with timer 2

[Sasi]

Clock Source Select also works.
Thanks!
If you have time to work on the DAC and CCP issues, I would be happy to help you with the testing.
Sasi