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[avr-gcc-list] Unusually Long Delay for ATMega128

From: fokumdt
Subject: [avr-gcc-list] Unusually Long Delay for ATMega128
Date: Wed, 27 Jun 2007 17:24:01 -0500 (CDT)
User-agent: SquirrelMail/1.4.6

Thanks, everyone for your suggestions.  After lots of tests the problem,
here appears to be related not to my timer code, but rather in the way my
I2C messages are being decoded on my host system (a gumstix).  I will now
look at these next.


> Date: Wed, 27 Jun 2007 10:27:10 -0500 (CDT)
> From: address@hidden
> Subject: [avr-gcc-list] Unusually Long Delay for ATMega128
> To: address@hidden
> Message-ID:
>       <address@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
> Hi,
> I am working on some code to read the Parallax Ping sensor from a board
> (robostix) with an ATMega128 microcontroller.  Unfortunately, I am getting
> some strange tick counts from my functions.  For example, in my Sensor.c
> file, I start the counter, then call a function to delay for 5
> microseconds, then read the counter value.  I have repeated this process
> several times, and I generally see about 350 ticks after my routine --
> this converts to about a 20 microsecond delay.  Am I missing anything
> pretty obvious in my Timer.h and Timer.c files?
> Thanks,
> Daniel

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