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Re: [avr-gcc-list] programming your atmels under linux?

From: ChristoGeo
Subject: Re: [avr-gcc-list] programming your atmels under linux?
Date: Sat, 06 Oct 2001 13:45:16 -0700

What about via io_perm, etc..?? Does anyone have any open-source AVR programming source code in C?


At 04:32 PM 10/6/2001 -0400, Aaron wrote:
Access directly to the parallel port under linux is only possible if you are part of the kernel... ie- you need to patch into the kernel to pull that off... ouch.

Why not take a look at this package:


It shows both methods of accessing the parallel port, user space and kernel space. Even if you decide not to use this package, it will at least get you started in the right direction.


On Sat, 06 Oct 2001 12:32:48 -0700 ChristoGeo wrote:

> Does anyone have source code to demonstrate using the parallel port under
> Linux?  Also, serial port code would be nice.
> I normally use the parallel port in EPP mode to up/down byte-wide packets
> to devices I build.  Also, I use the serial port.  The problem is I need
> direct access to the ports and not the /dev/xxx type access.
> Any direction, example, or help is greatly appriciated!
> Also, if anyone knows how to properly check if a keystroke was pressed in C
> for Linux would be kewl too!
> Regards,
> Chris
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