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usb not recognised

Posted: Mon Apr 09, 2012 7:25 pm
by ojaswini
I am making the cornell project- mister gloves using atmega 16. I have completed the hardware part and have used the programs from the website and hid keys program from v-usb.My problem is every time i put the usb cable in my laptop (windows 7),an error message pops up saying USB DEVICE is not recognised.
Please help.

Re: usb not recognised

Posted: Tue Apr 10, 2012 6:53 am
by dlf23456
ojaswini wrote:I am making the cornell project- mister gloves using atmega 16. I have completed the hardware part and have used the programs from the website and hid keys program from v-usb.My problem is every time i put the usb cable in my laptop (windows 7),an error message pops up saying USB DEVICE is not recognised.
Please help.


If you used the exactly the same schematic as the project, The fuse bit is the only thing that I can guess.. What did you use for fuse bit setting?

Re: usb not recognised

Posted: Tue Apr 10, 2012 7:38 am
by ojaswini
Yes i have used the exact schematic except, instead of 2 single axis accelerometer I have used a 2 axis accelerometer breakout board and i have used a different transceiver.
The HID Keys program which the website prescribes to use along with the main_usb.c prog is for ATtiny [i guess] and I have used that only.
I have used the default fuse bits only, that is HIGH - 99 LOW - E1.

Re: usb not recognised

Posted: Tue Apr 10, 2012 3:17 pm
by xiangrui
Are those bits for atmega16? You would try something like 0x80 and 0x9f for high and low fuse respectively. -Xiangrui

ojaswini wrote:Yes i have used the exact schematic except, instead of 2 single axis accelerometer I have used a 2 axis accelerometer breakout board and i have used a different transceiver.
The HID Keys program which the website prescribes to use along with the main_usb.c prog is for ATtiny [i guess] and I have used that only.
I have used the default fuse bits only, that is HIGH - 99 LOW - E1.

Re: usb not recognised

Posted: Sun Apr 15, 2012 9:25 pm
by Liutazbn
Hi, two years ago I have made one avr doper (rototron) version, and it works well until now. After about year I can't install it on my winxp. Problem that I have message "The usb device is malfunctioned and windows does not recognize it." I dont know what to do. This programmer woked well, and any changes I didn't.
Maybe anybody knows how I can solve this problem?

Re: usb not recognised

Posted: Wed Apr 18, 2012 10:46 am
by Aviraj
Hey there,
Even i have made the same project and facing the same problem... :( Havent got the solution yet. Please post the solution of the problem if u get it...