Objective Development Forums

Sorry for answering so late but i was busy elsewhere.
Project is finished and working :
viewtopic.php?f=8&t=2765&p=9371#p9371
http://www.schoeldgen.de/avr/

I tested on Win XP and MacOS 10.5 . No drivers were required as the OS's recognize the tablet as-is as an absolute mouse.

Thanks to Michael !
This fix finally got rid of the erratic coordinates i encountered with my Tablet Adapter :
viewtopic.php?f=8&t=2765
Initilally i though the tablet to be responsible for those errors. Thanks again

I've made a USB HID device with absolute pointer for an older quality digitizer tablet - the Tektronix 4957. The code is straightforward and implements an interrupt driven serial receiver routine, a few conversions and tablet error handling. Might be interesting for other absolute pointer device cre...

I'm sorry for the late resonse but i just recently found this wonderful software. I've been experimenting a lot with it and perhaps i'm able to give some hints. I'm compiling and flashing with AVR Studio on XP, btw and use the ISPMkII programmer. 1. Set Device and F_CPU in your makefile . Sounds tri...

As the ATTiny 25/45/85 have so few I/O lines it is unavoidable that the USB port sits on at least one of the programming lines ( you probably noticed that V-USB doesn't work if you use PB1 instead of PB0 and that you HAVE to use PB2 for D+). My project uses the tiny85 and i have to unplug USB for pr...

I'd also be interested if someone was able to generate a descriptor for a HID device with absolute coordinates . I'm currently making a converter for a Tektronix 4957 tablet and would like to plug that without any drivers. So far the standard mouse descriptor works but as soon as i'm changing to abs...