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  Topic: Problem activating pull-ups on 16F636
pe1icq

Replies: 3
Views: 4884

PostForum: General CCS C Discussion   Posted: Sun Jun 01, 2008 10:33 am   Subject: Problem activating pull-ups on 16F636
I found the problem. And of course it was my own stupid mistake. Embarassed
I thought that RA1 was floating on the PICkit2 demo board, but since I was powering the circuit via the PICkit2, the ICSPCLK l ...
  Topic: Problem activating pull-ups on 16F636
pe1icq

Replies: 3
Views: 4884

PostForum: General CCS C Discussion   Posted: Sun Jun 01, 2008 9:30 am   Subject: Problem activating pull-ups on 16F636
Thanks for trying.

My compiler does not give a warning nor an error message.
I actually had port_x_pullups (upmask, downmask) in my first attempt, and tried other formats when that didn't work.
...
  Topic: Problem activating pull-ups on 16F636
pe1icq

Replies: 3
Views: 4884

PostForum: General CCS C Discussion   Posted: Sun Jun 01, 2008 7:03 am   Subject: Problem activating pull-ups on 16F636
Hi,

I have a problem activating pull-ups on a 16F636.

For testing I have used the Microchip low-pin count board that comes with the PICkit2 Starter Kit and a PIC16F636. The compiler and version ...
  Topic: Enable Timer1 interrupt in another ISR?
pe1icq

Replies: 10
Views: 10278

PostForum: General CCS C Discussion   Posted: Fri Sep 29, 2006 2:39 pm   Subject: Enable Timer1 interrupt in another ISR?
Well... it would help if I would select a port for the debug LED that actually can be used as an output. RA3 isn't one of those. Embarassed
I swapped RA3 and RA4 and now everything is working fine.

...
  Topic: Enable Timer1 interrupt in another ISR?
pe1icq

Replies: 10
Views: 10278

PostForum: General CCS C Discussion   Posted: Fri Sep 29, 2006 1:51 pm   Subject: Enable Timer1 interrupt in another ISR?
PIC16F684 and PCM compiler version 3.229 (Linux)
  Topic: Enable Timer1 interrupt in another ISR?
pe1icq

Replies: 10
Views: 10278

PostForum: General CCS C Discussion   Posted: Fri Sep 29, 2006 12:28 pm   Subject: Enable Timer1 interrupt in another ISR?
Yes I did. It is in the #INT_RA ISR.
I also tried putting it in main() but that did not make a difference.
  Topic: Enable Timer1 interrupt in another ISR?
pe1icq

Replies: 10
Views: 10278

PostForum: General CCS C Discussion   Posted: Fri Sep 29, 2006 10:41 am   Subject: Enable Timer1 interrupt in another ISR?
Hi,

Can I setup and enable a Timer1 interrupt in another ISR?
What I'm trying to accomplish is starting Timer1 in the ISR that handles the PortA change interrupts.
I've tried several things but I ...
  Topic: read GPS NMEA data using PIC18F452
pe1icq

Replies: 4
Views: 15192

PostForum: General CCS C Discussion   Posted: Mon Sep 19, 2005 8:31 am   Subject: read GPS NMEA data using PIC18F452
I've recently worked on an update of an implementation on the 16f628, but it was written for the HiTech compiler.
http://sharon.esrac.ele.tue.nl/users/pe1rxq/aprstracker/aprstracker.html
This implem ...
  Topic: migrating from Hitech, how to preload EEPROM data?
pe1icq

Replies: 9
Views: 14623

PostForum: General CCS C Discussion   Posted: Sat Sep 03, 2005 7:33 am   Subject: migrating from Hitech, how to preload EEPROM data?
The #rom directive was indeed what I needed.
Also for use with the 16f628a I can define eeprom data at addresses 0x2100 and up. And then read them back using read_eeprom() starting at address 0x00. ...
  Topic: migrating from Hitech, how to preload EEPROM data?
pe1icq

Replies: 9
Views: 14623

PostForum: General CCS C Discussion   Posted: Tue Aug 30, 2005 8:34 am   Subject: migrating from Hitech, how to preload EEPROM data?
I didn't really try yet. Before I do I need to rewrite some of the other Hitech specifics. Hopefully I get to it later tonight.

I'll post the results.

//Arno
  Topic: migrating from Hitech, how to preload EEPROM data?
pe1icq

Replies: 9
Views: 14623

PostForum: General CCS C Discussion   Posted: Tue Aug 30, 2005 6:45 am   Subject: migrating from Hitech, how to preload EEPROM data?
Hi Guys,

Thanks for your replies.

I had looked at the #rom directive, but it seemed to me that this could not be used on a 16f628a.

The 16f87x series have eeprom logically mapped to 0x2100 an ...
  Topic: migrating from Hitech, how to preload EEPROM data?
pe1icq

Replies: 9
Views: 14623

PostForum: General CCS C Discussion   Posted: Mon Aug 29, 2005 4:51 pm   Subject: migrating from Hitech, how to preload EEPROM data?
I'm migrating some code that is used with the Hitech PICCompiler.

In an include file there is some code that preloads the EEPROM with some data. It looks like this.

#asm
psect eeprom_ ...
 
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