On Wednesday 28 March 2007 23:18, Kirk Wallace wrote: > I just wanted a simple SPI device to talk to, but also have something > useful when my lathe grows up. > > That being said, once you got the bit-banging driver worked out it would > > be useful for many applications.
<snip> > I did find this driver: > > http://www.paul.de/downloadables/#spi-driver > > and learned allot from the documentation and the source. Worth several > days (for me at least) Reasonably clean and readable code. Demonstrates several basic techniques for a driver without being convoluted - Adapting to compile on 2.6 series kernels is but a few minutes work and consists of minor changes.. Just watch out if you try to bit-bang more than a few bytes at a time. Each inb/outb instruction takes ~1uSec (on a standard parport), and the computer can do nothing during this period. -- Paul. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
