Hello, this look like a USB HID compliant device (which is what I thought from the 0x07 byte in the header), and as such should work with the usbhid.ko driver. Did you try that?
Vojtech On Sat, Feb 17, 2007 at 10:07:19AM -0500, [EMAIL PROTECTED] wrote: > >On Fri, Feb 16, 2007 at 04:38:03PM -0500, Mazin wrote: > > > >> >Go ahead and post the protocol. > >> OK, here goes. > > > >It looks fine - like what one would expect from a simple tablet. Can you > >add the USB descriptor listing from lsusb -vvv? > > > At the bottom. > >> > >> The tablet sends its data in an 8-byte packet. > >> (Numbers in hex) > >> > >> A typical packet looks like: > >> 07 80 4f 00 4a 0b 00 00 > >> > >> The bytes, from left-to-right, are: > >> 1: ? Not sure, but from my testing it's always 07 > >> 2: The button codes for when buttons are pressed (there are two buttons > >> on the barrel of the pen): > >> 81 = Pen tip touch (translates to LMB) > >> 82 = Bottom side button (closest to pen tip) > >> 84 = Top side button (translates to RMB) > >> C0 = I'm not sure, but I think it might indicate when the pen is not > >> in the sensing range of the tablet. > >> 3: X-pos small increment (from 00 to FF) > >> 4: X-pos large increment (goes up to 0F). Each one of these is "worth" > >> 256, since byte three can only count to FF. > >> 5: Y-pos small increment (from 00-FF) > >> 6: Y-pos large increment (goes up to 0B). Works like the X-pos. > >> 7: Pen pressure (goes up to FF) > >> 8: Pressure large increment, "worth" 256. My tablet has 512 degrees of > >> pressure, so for 512, byte seven is FF and byte 8 is 01. On my tablet > >> it's either 00 or 01, but tablets with a greater pressure range may have > >> higher values. > >> > >> I'm not a USB expert, but I suspect that something special happens when > >> the tablet is first plugged in. For brevity's sake, I have the raw > >> sniffer data from when I first plug my tablet in on a computer with the > >> Windows driver installed. You can find it at > >> http://files.aztekera.com/apps/tabletinitialization.txt > >> > >> If this isn't enough I can provide more data, although I might not know > >> what to do with it. > >> > >> As always, thanks for any support, > >> Mazin > >> > > > >-- > >Vojtech Pavlik > >Director SuSE Labs > > The relevant lsusb info is: > > Bus 003 Device 005: ID 5543:0003 UC-Logic Technology Corp. > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 1.10 > bDeviceClass 0 (Defined at Interface level) > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 8 > idVendor 0x5543 UC-Logic Technology Corp. > idProduct 0x0003 > bcdDevice 0.00 > iManufacturer 1 > iProduct 2 TABLET DEVICE > iSerial 0 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 34 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 4 Tablet Mouse > bmAttributes 0xa0 > (Bus Powered) > Remote Wakeup > MaxPower 100mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 1 > bInterfaceClass 3 Human Interface Devices > bInterfaceSubClass 1 Boot Interface Subclass > bInterfaceProtocol 2 Mouse > iInterface 2 TABLET DEVICE > HID Device Descriptor: > bLength 9 > bDescriptorType 33 > bcdHID 1.00 > bCountryCode 0 Not supported > bNumDescriptors 1 > bDescriptorType 34 Report > wDescriptorLength 94 > Report Descriptors: > ** UNAVAILABLE ** > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x81 EP 1 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0008 1x 8 bytes > bInterval 10 > Device Status: 0x0000 > (Bus Powered) > > Just one thing I thought was weird. In GNOME's device manager, for the > tablet, it lists the values for hiddev.product and info.product as " TABLET > DEVICE" (with the two spaces in front of it). > > --Mazin > -- Vojtech Pavlik Director SuSE Labs ------------------------------------------------------------------------- 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 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
