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Author Topic: Arduino-0021 arduino-usbserial VID/PID Discrepancy  (Read 863 times)
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Kauai
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I had trouble with the arduino-0021 version of arduino-usbserial.  After building and programming it onto the 8U2 Windows would ask to install drivers for the new device.  After pointing the installation to the arduino drivers directory windows would report a failure in driver installation.  The Arduino IDE would not recognize the UNO after that. I compiled the 0020 version and my UNO is back in action.  

In the arduino-0021 version of arduino-usbserial the Descriptor.c file is using VID = 0x03EB (Atmel) and PID = 0x204B (LUFA USBtoSerial demo).    The Arduino UNO.inf is looking for VID=0x2341 and PID=0x0001 which is reflected in arduino-0020...  

I see in the 0021 release notes indicate "Modifying VID / PID combination in 8U2 firmwares" but was this the intent?
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