Search found 3 matches
- Tue May 28, 2013 1:51 pm
- Forum: V-USB
- Topic: where to fault find with 24 ff:
- Replies: 3
- Views: 3689
Re: where to fault find with 24 ff:
I was following the Code and Life examples, with the above errors, so I started again using the examples with the download and it all works now even 3V @ 12MHz. May investigate debugging later. I'll learn the pseudo interrupts now. 
- Fri Apr 26, 2013 9:43 am
- Forum: V-USB
- Topic: where to fault find with 24 ff:
- Replies: 3
- Views: 3689
Re: where to fault find with 24 ff:
Unlikely as the serial port works o.k. May be using at 3V instead of 5V for 12MHz but I'm assuming it can handle 12MHz at 3.3V, will test later.
- Thu Apr 25, 2013 1:40 am
- Forum: V-USB
- Topic: where to fault find with 24 ff:
- Replies: 3
- Views: 3689
where to fault find with 24 ff:
I have a standard circuit, AtMega 328 or 168 with PD2 (INT0) D+ and PD3 D- with a 1k5 pull up on D- & 1M pull down on D+ fed with 3V3. With minimal forever{ led on usbPoll led off} and debug level set to 2. All I get is 24 ff: s i.e. reset condition. The pc is unable to enumerate (as though the ...