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@@ -0,0 +1,32 @@ +JVdG USB Gadget +Copyright 2011 Julien Viard de Galbert <julien@silicone.homelinux.org> + +This is my tiny project to learn on Linux driver development. + +The hardware schematics is available in gEDA gschem format +and is licenced under GPL-2 or later. + +The AVR firmware requires USBtiny from Dick Streefland <dick@streefland.net> +available at http://www.xs4all.nl/~dicks/avr/usbtiny/ +It was tested with version 1.6. +Simply add a link to it's usbtiny directory or update the location in the Makefile to build it: +$ ln -s ../usbtiny-1.6/usbtiny +The firware is available under GPL-2 or later as well. + +To check the device there is an USBlib (1.0) application in the test/ directory +it is also available under GPL-2 or later. +You will need to add a file in /etc/udev/rules.d in order to access the device. +Here is mine: +$ cat /etc/udev/rules.d/70-usb-prototype.rules +SUBSYSTEM=="usb", ATTR{idVendor}=="6666", GROUP="julien", MODE="0666" + +Or you can run as root... + +Finally the linux driver is available in the linux_driver directory. +It is licenced as GPL-2 like the kernel and is based on some tutorials +from the web: + - http://linuxdevcenter.com/pub/a/linux/2007/07/05/devhelloworld-a-simple-introduction-to-device-drivers-under-linux.html by Valerie Henson + - http://www.linuxjournal.com/article/7353 by Greg Kroah-Hartman + +The driver is very basic, it only show some files under sysfs that reflect the +device state. |