All Questions

Tagged with
Filter by
Sorted by
Tagged with
0
votes
1answer
79 views

USB Power Only - Detect Device Plugged In [closed]

I have a project that I need to complete for work. We have been working on this project for a while, however I have come to a bit of a road block. I'll first lay out the important points. We have a ...
1
vote
2answers
2k views

“CH340” usb-serial interface chip drivers cause AVR reset problems under Windows / Linux

Attaching a "Nano V3.0" arduino clone device to a Windows 7 PC's USB port causes the ATMega328P on the device to misbehave and lock up. We are deliberately NOT using the Arduino toolchain - we are ...
-3
votes
1answer
129 views

Detect change on D- D+ lines [closed]

How can i detect change on D- and D+ (puling one or both of them high) USB lines from Linux environment?
0
votes
2answers
571 views

Is it possible to change a USB's enumerated descriptors (from the OS side) after plugging it in?

I don't mean as in change the descriptors built into the device, but the descriptors that the OS has enumerated. Can this be done from the OS side without touching the USB device? For example, can I ...
2
votes
0answers
629 views

Send signal to USB with linux [closed]

I have a digital caliper/gauge: it works with FTDI interface and digimatic (or very similar) protocol. It is connected via usb port. I can connect it correctly, and I can read it with programs like ...
-2
votes
1answer
778 views

Looking for easy USB Sound Card Chipset [closed]

Does anyone recommend a chipset for a USB Sound Card (w/input), with readily available drivers for both linux and windows. I am making a phone line tap to record dial modem calls in the field, for ...