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RE: [avr-gcc-list] Glitch on GPIO
From: |
Jahagirdar Gopal-AGJ005 |
Subject: |
RE: [avr-gcc-list] Glitch on GPIO |
Date: |
Mon, 27 Feb 2006 19:48:42 +0800 |
Thanks Galen.
That it self was the problem. Now the code is working fine after that
fix.
-Gopal
-----Original Message-----
From: Galen Seitz [mailto:address@hidden
Sent: Friday, February 24, 2006 9:45 PM
To: Jahagirdar Gopal-AGJ005
Cc: address@hidden
Subject: Re: [avr-gcc-list] Glitch on GPIO
I think that is the problem. The data register has an initial value of
0x00 after reset. When you configure a GPIO as an output first, the
initial value of 0 gets driven on the pin. The pin will continue to
drive
a zero until the corresponding data register bit is written with a 1.
Switching the order should solve your problem.
galen
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