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Old 02-20-2008, 09:28 AM
Henrik Carlqvist
 
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Default Re: Need sample C code for access I/O ports

Steven Woody <anti-spam.narkewoody@gmail.com.dont-post-to> wrote:
> i got a mutipl-port serial board and need to write a simple C program to
> set its base addresses in a Linux box. according to the user manual of
> the board, the job can be accomplish be write/read some bytes to some
> specify IO ports.


It sounds as if you are going to write a driver for that card? There are a
lot of "sample code" in /usr/src/linux. Check in
/usr/src/linux/driver/char for files like moxa.c and serial.c.

regards Henrik
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