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  Topic: interrupt routines
davt

Replies: 5
Views: 6130

PostForum: General CCS C Discussion   Posted: Fri Jan 20, 2012 7:51 am   Subject: interrupt routines
Thanks for those very detailed replies, much appreciated and reassuring!
  Topic: interrupt routines
davt

Replies: 5
Views: 6130

PostForum: General CCS C Discussion   Posted: Fri Jan 20, 2012 4:02 am   Subject: interrupt routines
Hi all, I have read on numerous occasions on this forum that it is best to get out of an intterupt routine as soon as possible, ie set a flag and get the "hell out", almost as if it is an un ...
  Topic: pic programmers for CCS
davt

Replies: 9
Views: 11167

PostForum: General CCS C Discussion   Posted: Thu Jan 19, 2012 5:20 am   Subject: pic programmers for CCS
Thanks for your replies!
I may not have made request clear, appologies.
The set up I had was CCS and warp13A, this programmer was listed in the drop down menu under tools, it could be activated and ...
  Topic: Getting picstart pro to work with CCS
davt

Replies: 4
Views: 5204

PostForum: General CCS C Discussion   Posted: Wed Jan 18, 2012 8:13 am   Subject: Getting picstart pro to work with CCS
Hi all, I have found a picstart plus programer which I want to use with my CCS compiler. How do I load the hex files that CCS produces into the Picstart Pus to program my pic?
Thanks for all help
  Topic: pic programmers for CCS
davt

Replies: 9
Views: 11167

PostForum: General CCS C Discussion   Posted: Wed Jan 18, 2012 5:24 am   Subject: pic programmers for CCS
Hi all, had a long lay off from electronics and pic programming.
Trying to get back my enthusiasm!! However, I have a warp 13 a programmer which I used and am now trying to get going I need a redback ...
  Topic: internal pullups vs. external pullups
davt

Replies: 4
Views: 6819

PostForum: General CCS C Discussion   Posted: Mon Apr 04, 2005 7:08 am   Subject: internal pullups vs. external pullups
Hi all

Is it unwise to use the weak internal pullups to detect switch changes when designing equipment to be used in an industrial environment?
Would external stronger pullup resistors be better ...
  Topic: rotary bcd switch debounce
davt

Replies: 5
Views: 9003

PostForum: General CCS C Discussion   Posted: Mon Apr 04, 2005 2:14 am   Subject: rotary bcd switch debounce
Many thanks for your input and time!
Very Happy
Dave
  Topic: rotary bcd switch debounce
davt

Replies: 5
Views: 9003

PostForum: General CCS C Discussion   Posted: Fri Apr 01, 2005 4:27 am   Subject: rotary bcd switch debounce
Hi all

Sorry for off topic question.
I am using a rotary bcd switch connected to port pins rb4 - rb7 on a 16f628 and have enabled the interrupt on change option.

Do I have to debounce the switc ...
  Topic: use of float
davt

Replies: 3
Views: 6935

PostForum: General CCS C Discussion   Posted: Thu Mar 31, 2005 4:17 am   Subject: use of float
Hi everybody

I am designing a long delay timer and I need a 32 bit variable to count a large number of "ticks" , can I just declare a float variable and use it to count the "ticks" .
Thanks :gri ...
  Topic: Display multiplexing
davt

Replies: 5
Views: 10079

PostForum: General CCS C Discussion   Posted: Thu Dec 16, 2004 3:34 pm   Subject: Display multiplexing
Point taken!
Thanks for all input. Smile

Dave
  Topic: Display multiplexing
davt

Replies: 5
Views: 10079

PostForum: General CCS C Discussion   Posted: Thu Dec 16, 2004 8:46 am   Subject: Display multiplexing
Thanks Humberto for your reply.

I do realize that the max current is 25ma but if I am scanning through the 7 seg displays they will only be on for about 2ms.

I thought that the port pins might ...
  Topic: Display multiplexing
davt

Replies: 5
Views: 10079

PostForum: General CCS C Discussion   Posted: Wed Dec 15, 2004 11:15 am   Subject: Display multiplexing
Hi all Smile

I have a Pic base project with 7 segment led displays - 0.56" size.
At present I use transistors to switch the common cathodes to ground to turn the relevant digit on. Because the displ ...
  Topic: Multiple PWM outputs
davt

Replies: 50
Views: 80489

PostForum: General CCS C Discussion   Posted: Thu Dec 09, 2004 11:15 am   Subject: Multiple PWM outputs
More expense!!!! Rolling Eyes
  Topic: Multiple PWM outputs
davt

Replies: 50
Views: 80489

PostForum: General CCS C Discussion   Posted: Thu Dec 09, 2004 10:54 am   Subject: Multiple PWM outputs
I have only 2 options - Microchip 12 bit / Microchip 14 bit - strange?
  Topic: Multiple PWM outputs
davt

Replies: 50
Views: 80489

PostForum: General CCS C Discussion   Posted: Thu Dec 09, 2004 10:51 am   Subject: Multiple PWM outputs
According to the manual - quote " PCW is the professional package that includes both the PCM and PCB compilers ".

I tried a test project and selected the device - 18f252 but up pops a message sayin ...
 
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