Hi, in message <E1836A7F3557D311A14000805F9F36FC0141C86B at usdfo011.usac.danfoss.net> you wrote: > > How would one hack up a i2c keypad interface to appear as a keyboard on a > system, and get messages to stdout appear on an LCD? Specifically, I'm > working on 823e. I have no idea where or how to start. I know each thing > works correctly, that is, I have the i2c keypad and the LCD properly working > on the system. I'm just at a loss on how to tie it all together.
Check out the LWMON configuration in our kernel sources; see http://www.denx.de/re/linux.html The arch/ppc/8xx_io/lwmon_kbd.c file implements a (very special) keyboard driver that is attached over I2C (using the I2C driver in drivers/i2c/i2c-simple.*). Hope this helps, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de "The algorithm to do that is extremely nasty. You might want to mug someone with it." - M. Devine, Computer Science 340 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/