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setting breakpoints in MPLab v7.10 simulator

 
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Guest
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setting breakpoints in MPLab v7.10 simulator
PostPosted: Thu Jun 16, 2005 10:55 am     Reply with quote
Is it possible to set break points in the MPLab simulator - all I get is "one or more breakpoints could not be resolved". It doesn't matter where I put my breakpoint, it can be on the first line! I am using PCM v3.148, which I know does not support .COFF files - could this be the problem?

I want to measure the time between Timer 0 interrupts. I'm sure I could do this on v5.70.4
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Jun 16, 2005 11:23 am     Reply with quote
I installed PCM vs. 3.148 and compiled the simple program below.
In the Project/Build Options menu in MPLAB 7.10, I picked
"Expanded COD format" in the Debug options.
In the Debugger menu, I selected MPLAB Sim as the Tool.

I could set breakpoints on any of those lines in the while() loop,
and then select Debugger/Run, and it always stopped on the
correct line.

Code:
#include <16F877.H>
#fuses XT, NOWDT, NOPROTECT, BROWNOUT, PUT, NOLVP
#use delay(clock = 4000000)

//===================
void main()
{
int8 a,b,c;

while(1)
  {
   a++;
   b = a + 1;
   c = a + b;
  }

}
Guest
Guest
setting breakpoints in MPLab v7.10 simulator - continued
PostPosted: Thu Jun 16, 2005 2:36 pm     Reply with quote
PCM programmer wrote:

I installed PCM vs. 3.148 and compiled the simple program below.
In the Project/Build Options menu in MPLAB 7.10, I picked
"Expanded COD format" in the Debug options.
In the Debugger menu, I selected MPLAB Sim as the Tool.

I could set breakpoints on any of those lines in the while() loop,
and then select Debugger/Run, and it always stopped on the
correct line.


Thanks PCM for your input.
I tried your code - and yes it works with each of the three build options selected? Interestingly, although MPLab complains about the .COFF file not being loaded, it does actually stop! Now I am really confused as CCS told me that v3.148 doesn't generate COFF files - hence the error message? I also noticed that when using the .COFF option, the 'watch' window does not get updated, but it does when the other two build options are selected?

OK I ran my code using all three options in the build menu - with the following results.
None - no break point reached.
Expanded COD format - no break point reached.
COFF format - stopped on break point?

My code is a bit more extensive than was posted, in that I have 2 separate .C files #included, along with my custom .h file. I will need to experiment further, and will report back with the results.
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