RE: Reverse Engineer NFC Card Reader Protocol of Digital Logic µFR - part 0: intent

Jan Cumps — Sat, 12 Dec 2020 13:04:21 GMT

For my own investigations:

Here's what I get when plugging it in a Linux USB port (Debian Stretch)

dmesg output:

[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:3ef06e6b-9b7d-4651-b12d-db8be7f5e991:type=text&text=%5B+1095.171507%5D+usb+1-1.3%3A+new+full-speed+USB+device+number+6+using+dwc_otg%0A%5B+1095.328978%5D+usb+1-1.3%3A+New+USB+device+found%2C+idVendor%3D0403%2C+idProduct%3D6001%0A%5B+1095.328992%5D+usb+1-1.3%3A+New+USB+device+strings%3A+Mfr%3D1%2C+Product%3D2%2C+SerialNumber%3D3%0A%5B+1095.329001%5D+usb+1-1.3%3A+Product%3A+uFR+Nano+Plus%0A%5B+1095.329010%5D+usb+1-1.3%3A+Manufacturer%3A+D-Logic%0A%5B+1095.329017%5D+usb+1-1.3%3A+SerialNumber%3A+A659Z65G%0A%5B+1095.374106%5D+usbcore%3A+registered+new+interface+driver+usbserial%0A%5B+1095.374175%5D+usbcore%3A+registered+new+interface+driver+usbserial_generic%0A%5B+1095.374230%5D+usbserial%3A+USB+Serial+support+registered+for+generic%0A%5B+1095.386858%5D+usbcore%3A+registered+new+interface+driver+ftdi_sio%0A%5B+1095.386938%5D+usbserial%3A+USB+Serial+support+registered+for+FTDI+USB+Serial+Device%0A%5B+1095.387356%5D+ftdi_sio+1-1.3%3A1.0%3A+FTDI+USB+Serial+Device+converter+detected%0A%5B+1095.387493%5D+usb+1-1.3%3A+Detected+FT232RL%0A%5B+1095.388435%5D+usb+1-1.3%3A+FTDI+USB+Serial+Device+converter+now+attached+to+ttyUSB0]

lsusb output:

[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:3ef06e6b-9b7d-4651-b12d-db8be7f5e991:type=text&text=Bus+001+Device+006%3A+ID+0403%3A6001+Future+Technology+Devices+International%2C+Ltd+FT232+Serial+%28UART%29+IC]

A few health checks Digital Logic lists, that can influence the operation:

I may have to deal with FTDI auto-loading modules. :

lsmod | grep ftd

[embed:dc8ab71f-3b98-42d9-b0f6-e21e02a0f8e2:3ef06e6b-9b7d-4651-b12d-db8be7f5e991:type=text&text=ftdi_sio+++++++++++++++40960++0%0Ausbserial++++++++++++++40960++1+ftdi_sio]

I'll first check if I have issues. If yes, I have to blacklist the drivers.

There's also a PC/SC driver in development. That would be great news. It would make the reader plug-compatible with several BitChain libraries.