On Sun, 20 Jan 2008, Master wrote:
> Hello!
>
> I try to interface an SPI capable ADC (12 bit) with the TS7200 SBC I
> recently purchased. Unfortunately, there is no sample code for this. I
> already learned how to emulate an SPI port using the PC parallel port
> interface, so doing the same with three (or four) GPIOs should not be
> a problem. However, since this board already has an SPI header, I
> think it would be better to use it than the other option.
>
> Can someone give me a hint?
>
> Thanks in advance,
> Razvan
I came up with these, adapted from some posted on the list a bit back and
some samples from embeddedarm.com with some of my own improvements thrown
in for good measure:
http://triffid.funkmunch.net/usbkey/radiolink/peekpoke.h
http://triffid.funkmunch.net/usbkey/radiolink/spi.h
http://triffid.funkmunch.net/usbkey/radiolink/spi-arm.c
http://triffid.funkmunch.net/usbkey/radiolink/dio.h
http://triffid.funkmunch.net/usbkey/radiolink/dio-arm.c
http://triffid.funkmunch.net/usbkey/radiolink/ringbuffer.h
http://triffid.funkmunch.net/usbkey/radiolink/ringbuffer.c
although they probably need a bit more work, so use them as a starting
point.
Post them back if ever you'd call them perfect ;)
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