Difference between revisions of "Touchatag RFID Reader"

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[[Category:HOWTOs (English)]]
Touchatag is a RFID Reader
Touchatag is a RFID Reader

Revision as of 18:29, 10 June 2011

Touchatag is a RFID Reader

About Touchatag

Touchatag is a RFID tag reader from Touchatag. It is a cheap set consisting of an ACR122U USB tag reader and MiFare Ultralight RFID tags.

It is available here or for Europe here.

Remember: Always put a tag on the reader, otherwise you might encounter problems!

Check hardware version

lsusb shows the device:

Bus 003 Device 004: ID 072f:2200 Advanced Card Systems, Ltd 

lsusb -v shows also the firmware version bcdDevice:

idVendor           0x072f Advanced Card Systems, Ltd
idProduct          0x2200 
bcdDevice            1.00

The Version this howto is about is the above ACS ACR122U PICC firmware 1.0.

Install Touchatag

First install this:

# pacman -S pcsclite pcsc-tools pcsc-perl ccid

Install pcsclite-libudev

The normal pcsclite package from the community repository uses libusb instead of udev, which causes problems when using the Touchatag reader. So we need to replace it with the pcsclite-libudev package from AUR:

# cd /tmp
# wget https://aur.archlinux.org/packages/pcsclite-libudev/pcsclite-libudev.tar.gz
# tar -xf pcsclite-libudev.tar.gz
# cd pcsclite-libudev
# makepkg
# sudo pacman -U pcsclite-libudev-*.pkg.tar.xz

Install the ACS CCID PC/SC driver

Install the acsccid package from AUR:

# cd /tmp
# wget https://aur.archlinux.org/packages/acsccid/acsccid.tar.gz
# tar -xf acsccid.tar.gz
# cd acsccid
# makepkg
# sudo pacman -U acsccid-*.pkg.tar.xz

With old versions of the ACS driver, you can get errors like these:

ifdhandler.c: In functie ‘IFDHControl’:
ifdhandler.c:1304:8: fout: ‘PIN_PROPERTIES_STRUCTURE’ has no member named ‘wLcdMaxCharacters’
ifdhandler.c:1305:8: fout: ‘PIN_PROPERTIES_STRUCTURE’ has no member named ‘wLcdMaxLines’

In such a case, you can try commenting out those to lines in src/ifdhandler.c.

Test Touchatag

Try to scan your Touchatag:

# pcsc_scan

You should get something like this:

PC/SC device scanner
V 1.4.17 (c) 2001-2009, Ludovic Rousseau <ludovic.rousseau@free.fr>
Compiled with PC/SC lite version: 1.6.6
Scanning present readers...
0: ACS ACR122U 00 00

Mon Mar 21 18:16:07 2011
 Reader 0: ACS ACR122U 00 00
  Card state: Card inserted, Shared Mode, 
  ATR: 3B BE 95 00 00 41 03 00 00 00 00 00 00 00 00 00 02 90 00 

ATR: 3B BE 95 00 00 41 03 00 00 00 00 00 00 00 00 00 02 90 00
+ TS = 3B --> Direct Convention
+ T0 = BE, Y(1): 1011, K: 14 (historical bytes)
  TA(1) = 95 --> Fi=512, Di=16, 32 cycles/ETU
    125000 bits/s at 4 MHz, fMax for Fi = 5 MHz => 156250 bits/s                                                                
  TB(1) = 00 --> VPP is not electrically connected
  TD(1) = 00 --> Y(i+1) = 0000, Protocol T = 0 
+ Historical bytes: 41 03 00 00 00 00 00 00 00 00 00 02 90 00
  Category indicator byte: 41 (proprietary format) 

Possibly identified card (using /usr/share/pcsc/smartcard_list.txt):
3B BE 95 00 00 41 03 00 00 00 00 00 00 00 00 00 02 90 00
        touchatag SAM card

If you encounter a problem like this:

# pcscd -f

ccid_usb.c:859:ccid_check_firmware() Firmware (1.00) is bogus! Upgrade the reader firmware or get a new reader.
ifdhandler.c:104:IFDHCreateChannelByName() failed
readerfactory.c:1050:RFInitializeReader() Open Port 200000 Failed (usb:072f/2200:libusb:006)
readerfactory.c:233:RFAddReader() ACS ACR122U PICC Interface init failed.

The libnfc README suggests to do this:

If your Touchatag or ACR122 device fails being detected by PCSC-lite daemon (pcsc_scan doesn't see anything) 
then try removing the bogus firmware detection of libccid: edit libccid_Info.plist configuration file 
(usually /etc/libccid_Info.plist) and locate "<key>ifdDriverOptions</key>", turn "<string>0x0000</string>" 
value into 0x0004 to allow bogus devices and restart pcscd daemon.

Warning: if you use ACS CCID drivers (acsccid), configuration file is located in something like: 

Install tagEventor

tagEventor runs in the background and executes scripts when a tag enters or leaves your tag reader.

Download a binary version or compile your own.

Run tagEventor to test your installation:

# tagEventor -v 1

The scripts are located in /etc/gtagEventor. Read the tagEventor documentation on how to use them.

Other related packages

The following AUR packages might also be worth a try: