On Fri, 17 Mar 2000, Cameron Morland wrote:
> I have a Brutus board currently running
> Linux localhost 2.3.35-rmk1-np7 #6 Thu Mar 16 10:58:40 EST 2000 armv
>
> Ok. I wrote "hello world" and it works fine, so my toolchain works.
> (hooray!) Now I have a bunch of things I need eventually to do, and don't
> really know where to start:
>
> - port a driver for our PC card (exists for desktop windoze)
First I would recommend you port it to PC Linux before thinking about
Brutus.
> - drive a spare GPIO line to control a switch (#20 for the light, maybe)
GPDR |= (1<<20); /* set GPIO 20 for input */
...
GPSR = (1<<20); /* set GPIO 20 high */
GPCR = (1<<20); /* set GPIO 20 low */
This is kernel code, it won't work from user space.
> - put graphics on the screen
It's frame buffer device programming. Do it on a Linux workstation first,
then it will just be a matter of recompiling.
> - access a Flash card, ideally as an ext2 filesystem
What you need is a block device driver. Any filesystem might be used over
a block device.
> These are in more or less decreasing order of importance. I haven't been
> able to find much information about this. We will also need to have a
> driver for a smaller LCD screen; I'm guessing that modifying the existing
> LCD driver to do this would not be too difficult.
It should be easy, indeed.
Nicolas
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