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[avr-chat] Atmega128, JTAG and ADC

From: Larry Barello
Subject: [avr-chat] Atmega128, JTAG and ADC
Date: Sun, 17 Jul 2005 00:48:58 -0700

Is there a sure-fire way to automagically disable the JTAG interface in code
such that when the JTAG pod is attached the code is skipped?

Right now I have to manually step to the disable code and skip it.

I though I could do something like:

if (MCUCSR & _BV(JTRF) != 1)
        MCUCSR |= _BV(JTD);
        MCUCSR |= _BV(JTD);

But find that no matter what the code is executed.

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