Search found 3 matches
- Fri Mar 04, 2011 12:13 am
- Forum: V-USB
- Topic: Could not find USB device "LEDControl" (atmega324p)
- Replies: 4
- Views: 4959
Re: Could not find USB device "LEDControl" (atmega324p)
Okay.... for posterity, the program has to be called with sudo. sudo ./set-led status not ./set-led status D'OH! I wonder why this is. I guess my OS isn't automagically allowing the device to be accessed by regular users. I know there are programs to allow users to access things like USB drives, or ...
- Tue Mar 01, 2011 4:22 am
- Forum: V-USB
- Topic: Could not find USB device "LEDControl" (atmega324p)
- Replies: 4
- Views: 4959
Re: Could not find USB device "LEDControl" (atmega324p)
A picture in case it helps:
(click to enlarge)
(click to enlarge)
- Tue Mar 01, 2011 3:47 am
- Forum: V-USB
- Topic: Could not find USB device "LEDControl" (atmega324p)
- Replies: 4
- Views: 4959
Re: Could not find USB device "LEDControl" (atmega324p)
I've tried with an ATMEGA48 now. Same problem. I've checked the voltages at D+ and D-. D- is at 2.7V, D+ is at 0V. The uC has 5.05V. Can someone give me ballpark figures on the voltages I should be seeing? Additional details: Ubuntu 10.04 libusb1.0 and 0.14 installed (might this cause a conflict of ...
