AVR-Chat

Try to disable all optimization in the compiler.

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From: "englsprogeny" <englsprogeny@yahoo.com>
Sent: Sunday, November 09, 2008 11:26 AM
To: <AVR-Chat@yahoogroups.com>
Subject: [AVR-Chat] Re: AVR Studio Update

> Notes:
> 
> 1.  count and marker are both volatile
> 2.  I can get it to break with the following, as well.
> 
> if(count >250){
> 
> marker = 0;  [Breakpoint Here]
> 
> count = 3;
> }
> 
> It's almost like I need to have something set to zero before the
> breakpoint is triggered within an if statement.
> 
> 4. I get breakpoints normally when I'm not in an if statement
> 
> 
> 
> 
> 
> 
> --- In AVR-Chat@yahoogroups.com, "englsprogeny" <englsprogeny@...> wrote:
>>
>> I am playing with AvrStudio.  I have a cheap JTAG-ICE debugger that I
>> bought on ebay.
>> Item number: 300240185362 
>> 
>> The only way I can get this to hit a breakpoint [when in a loop] is to
>> do the following:
>> 
>> if(count >250)
>> count = 0;  [breakpoint here]
>> 
>> Count is a loop counter.  If I reset the value of count to any
>> non-zero value, the breakpoint doesn't work.
>> 
>> Also doing the following doesn't work:
>> 
>> if(count >250){
>> count = 0;
>> marker = 1;  [Breakpoint here]
>> }
>> 
>> Again, the only way I can get the breakpoint to consistently work is
>> to code it as:
>> 
>> if(count >250)
>> count = 0;  [breakpoint here]
>> 
>> Just curious as to why this happens.
>> 
>> Should I buy a better JTAG-ICE?  Should I use something else to debug
>> software?  Thanks for your input.
>> 
>> Cheers,
>> 
>> David
>>
> 
> 
> 
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