Thank you for your reply .
I will let you know about the progress .
--- In Wouter Simons <> wrote:
>
> I think the previous two answers are a bit harsh, here is how it actually
> works:
>
> The PC104 connector is either general purpose IO or it is ISA. It defaults to
> GPIO, which means the peripheral boards you can attach on them will not work.
> You need to write some values to a memory location to switch the PC104
> connector into ISA mode first.
>
> To write to memory locations as specified in the documentation you can use
> peekpoke from the command line, it is just a little C program that TS has
> written to make it easy to test and configure hardware without actually
> writing any software. It allows you to read and write to memory locations.
>
> If you are developing your own software you can use any language supported on
> linux, it does not have to be C code at all. In fact, why not use python,
> perl, or shell scripts for simple stuff?
>
> To write to specific memory locations in linux you need to use a "trick",
> normally a linux program (refered to as userspace application) cannot write
> to memory locations directly. What you can do is write to /dev/mem and read
> from /dev/mem. The peekpoke application is available in source code to see
> how this is done in C. What I would do in python or shell scripts is simply
> call the peekpoke commands and read the outputs to use your hardware.
>
> A list of commands you can run manually is:
>
> (first setup pc104 into ISA mode,
> http://www.embeddedarm.com/about/resource.php?item=393#section6.4 )
>
> peekpoke 32 0xE8000030 0x55555555
> peekpoke 32 0xE8000034 0x55555555
> peekpoke 32 0xE8000038 0x55555
> peekpoke 32 0xE800003C 0x55555
>
> (now look in your peripheral documentation and figure out what address to use
> to read data/write data, for DIO64 you have 8bit IO and can use this to read
> the inputs in one go (4 registers of 8 bits in order is 32 bits))
>
> peekpoke 32 0xEE000108
>
> (to activate all outputs)
>
> peekpoke 32 0xEE000104 0xFFFFFFFF
>
> Make sure to really read your hardware board and the TS7800 manual to figure
> out how things actually work.
>
> Have a wonderful time learning,
>
> Wouter
> ________________________________________
> From: On Behalf Of
> richar_in
> Sent: Wednesday, December 01, 2010 12:21 AM
> To:
> Subject: [ts-7000] PC-104 Initialization and usage for a beginner
>
> Hello
>
> I am using a TS-7800 board and I am not familiar with programming using
> Linux. I need to use the PC-104 bus to transfer data to another board .
>
> 1)I have the initialization values from the manual but where in the code
> should I set them .And using which commands ?
>
> 2)" peekpoke BITS ADDRESS VALUE " needs to be set .I gathered from one of the
> previous posts that to be set using the command line . Should I do it before
> I compile the code ? And on the telnet connection or the serial connection ?
>
> 3) How can I check back the if the values have been written correctly ? I
> will read that address to check but where can I see the value ?
>
> Thanks
>
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