Difference between revisions of "IO ports in Linux"

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*inw()
 
*inw()
 
*outw()
 
*outw()
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[[+Portio.c]]
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=See also=
 
=See also=
 
*http://tldp.org/HOWTO/IO-Port-Programming-2.html
 
*http://tldp.org/HOWTO/IO-Port-Programming-2.html
 
*http://www.faqs.org/docs/Linux-mini/IO-Port-Programming.html
 
*http://www.faqs.org/docs/Linux-mini/IO-Port-Programming.html

Latest revision as of 01:22, 23 March 2007

From linux you need to be setuid() to get to the pins of an IO port. This is not problem because we run as root anyway. The function prototypes to look at are:

  • include <asm/io.h>
  • ioperm()
  • inw()
  • outw()

+Portio.c

See also