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Anyone compiled OK for Pic10F206 ? - setup_comparator

 
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lesotter



Joined: 21 Sep 2003
Posts: 5

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Anyone compiled OK for Pic10F206 ? - setup_comparator
PostPosted: Fri Nov 26, 2004 2:08 pm     Reply with quote
Hi

I?ve just received my first Pic10F206's and tried to compile the code below (just to get going - created by the project wizard) and it fails with error 12, highlighting the ?setup_comparator? statement.


Code:
#include "C:\Program Files\PICC\pic10f206\test.h"
void main()
{
   setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
   setup_comparator(NC_NC_NC_NC);
}

I'm using Compiler / IDE version 3.212
Test.h contains:-
Code:
#include <10F206.h>
#use delay(clock=4000000)
#fuses NOWDT

I cannot figure out what's wrong. It seems like the compiler thinks that this device doesn't have a comparator.

Can you please let me know what I'm doing wrong please?

Thanks

Les Otter
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Nov 26, 2004 2:47 pm     Reply with quote
When CCS adds support for a new chip, they very frequently make
mistakes with the A/D and the comparator modules. Based on
your post, it appears that they have done this with the comparator
in the 10F206.

You should email them about this, but in the meantime, you can
setup the comparator yourself by defining the register address of
the CMCON0 register, and then writing a byte directly to that register.
Refer to the 10F206 data sheet for the correct settings for CMCON0.

Example:

Code:
#include <10F206.H>
(Put your #use delay and #fuses statements here)

#byte CMCON0 = 0x07   // Define the address of CMCON0

void main()
{
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
CMCON0 = 0xFF;    // Setup the Comparator

// Put other code here.

while(1);   // Prevent PIC from going to Sleep
}
lesotter



Joined: 21 Sep 2003
Posts: 5

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PostPosted: Sat Nov 27, 2004 12:17 am     Reply with quote
Thanks very much - tried as you said and it now compiles - inching forward now looking for the next "new device" issue
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