Search found 2 matches

by bryankazan
Sun Jul 12, 2015 8:24 am
Forum: USB Development
Topic: What does J-state error mean?
Replies: 1
Views: 1480

Re: What does J-state error mean?

Since I posted this, I've learned a bit more, and I'm assuming (could still be wrong) that this error is resulting from the fact that the slave device, when seeing the BULK_IN token, still doesn't think it is allowed to respond to anything beyond CONTROL traffic. The last thing that I thought I need...
by bryankazan
Sat Jul 11, 2015 1:44 pm
Forum: USB Development
Topic: What does J-state error mean?
Replies: 1
Views: 1480

What does J-state error mean?

I'm writing some microcontroller code to interface between the Max3421E Host chip and a Silicon Labs CP2103 usb slave / target chip. I have my host driver to the point where it's initializing the CP2103, setting baud rate, querying the status of the serial port, seeing bytes fill up the rcv buffer f...