From mboxrd@z Thu Jan  1 00:00:00 1970
From: newmr.cyberyan@yahoo.com (john byron)
Date: Mon, 15 Jun 2015 17:44:55 +0900
Subject: refrence to communicate with hardware
Message-ID: <557E9087.4050200@yahoo.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

Anyone know where i need to do/read to know all the flag (or something 
else in low level, or bit level) to communicate with hardware ?


thank you