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using the debugger with BYTE CONST ROM LUTs

 
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jventerprises



Joined: 01 Apr 2004
Posts: 43
Location: Boston

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using the debugger with BYTE CONST ROM LUTs
PostPosted: Thu Apr 01, 2004 10:40 am     Reply with quote

i am using the following chunk of code..


byte const ARRAY[2] = {10, 20};
....
my_var = ARRAY[my_index];


i notice two things...

1. when you place the debuggers cursor over the ARRAY[my_index] when debugging, the array has the right length and structure, but the values are garbage. i can probably understand this since the array is just a compiler LUT.

2. if you try to step through the above assignment, the debugger hangs even thought the ROM looks correct. if you step over the section of code that contains the above assignment, all works fine.

has anybody had similar experiences? the ROM LUT seems to work fine, the values are returned correctly. I just wish i could step over the line..
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Jon
valemike
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which debugger?
PostPosted: Thu Apr 01, 2004 10:52 am     Reply with quote

Are you talking about the PCW environment? Or are you using the CCS compiler with Microchip's MPLAB IDE?

I've had experiences with the MPLAB IDE by Microchip where the debugger does not interpret CCS's floating point correctly, so what I do is just do a printf() to Hyperterminal.

Basically, I usually don't trust the MPLAB IDE debugger with floating point numbers. As for bytes, i haven't had a problem.
jventerprises



Joined: 01 Apr 2004
Posts: 43
Location: Boston

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byte const
PostPosted: Thu Apr 01, 2004 12:37 pm     Reply with quote

this is with the PCW environment... i find that the ccs environment is more reliable...
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Jon
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