On Sat, Apr 24, 2010 at 12:12:10AM +0200, Karin Pavjlik wrote: > Am Dienstag, den 20.04.2010, 06:47 -0700 schrieb Greg KH: > > On Tue, Apr 20, 2010 at 03:37:41PM +0200, Karin Pavjlik wrote: > > > Im' a newbie, trying to program my first driver. I'll try to make an > > > additional driver for the second USB mouse plugged into my laptop > > > (genius netscroll+). > > > > Hm, why? Does the in-kernel driver not already work for you? > > No. just for learning, I have to make a project. HID is not a simple protocol, good luck :) > > How do I disable the second mouse from behiving like a > > > mouse? > > Unbind it from userspace through sysfs if you really want to do this. > > Or make the usbfs ioctl call to disable it. Either will work. > > Cool. > > > > b) Where is the current usb mouse driver source code for this? > > usbhid. > > > > c) any tips? I'm reading the oreilly book. > > What exactly are you trying to do? There are already drivers for your > > device written (one very complete, one tiny) in the kernel tree, so > > rewriting them, while fun, might not be needed :) > > Just trying to understand a little bit of USB, I thought starting with > something simple as a mouse, from zero, could be nice. usbhid seems > *BIG*. That's because HID is complex, sorry. That mouse isn't the simplest device... But look at the "boot protocol" usb mouse driver for a simple mouse driver, that might help make things easier. Note that this driver does not work on all mice, so yours might have problems. good luck, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
