Reventlow
Posts: 4
Joined: Tue Oct 01, 2013 10:16 am

Raspberry Pi and acr122u NFC reader.

Tue Oct 01, 2013 10:27 am

Hi

I am new to raspberry pi and Linux. I want to make a rapberry pi Model B that is connected to a acr122u usb nfc read/writer via an usb-hub(self powerd).

I want the raspberry pi to auto login to Raspbian desktop when powered on and when the acr122u nfc reader reads a tag with an uri/url it opens the webpage.

is that possible? Does it require mad skills?

thanks in advance :-)

Reventlow
Posts: 4
Joined: Tue Oct 01, 2013 10:16 am

Re: Raspberry Pi and acr122u NFC reader.

Wed Oct 02, 2013 1:50 pm

I have isntalled libnfc and it can detect a tag when I run nfc-poll. It returns the tags UID. Now I just need a reader program that can read the tags saved url and open the webpage in a browser.

leamingrad
Posts: 3
Joined: Sat Oct 12, 2013 3:04 pm

Re: Raspberry Pi and acr122u NFC reader.

Sat Oct 12, 2013 3:08 pm

Hi,

Would you be able to explain how you managed to get the raspberry pi and libnfc to recognise the reader?

I have been trying to get my pi to connect to an acr122u through a powered USB hub, and have installed libnfc, but it doesn't want to recognise it as a device.

Would you be able to provide instructions on how to get it connected from scratch (in baby steps if possible)?

Thanks in advance :)

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topguy
Posts: 6491
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Mon Oct 14, 2013 10:55 pm

These instructions should be common to most Linux systems, have you looked at them ?
http://nfc-tools.org/index.php?title=Li ... IX_systems

leamingrad
Posts: 3
Joined: Sat Oct 12, 2013 3:04 pm

Re: Raspberry Pi and acr122u NFC reader.

Tue Oct 15, 2013 12:46 pm

I hadn't seen those particular instructions - but had found ones to that effect. However, we have managed to get the reader working - the problem we were having was that we using a touchatag reader, and the usb driver wasn't trying to use the acr122u driver with it - which we solved by adding a manual override.

Thanks anyway :)

btempleton
Posts: 1
Joined: Tue Oct 29, 2013 1:30 pm

Re: Raspberry Pi and acr122u NFC reader.

Tue Oct 29, 2013 1:53 pm

What was the manual override that you used and which USB driver did you use in the end?

leamingrad
Posts: 3
Joined: Sat Oct 12, 2013 3:04 pm

Re: Raspberry Pi and acr122u NFC reader.

Tue Nov 05, 2013 1:29 pm

We tried forcing the usb driver to recognise our card reader for the model it actually is instead of what it is defaulting to.

However, we aren't sure that this is what caused it to work in the end as we have not been able to replicate getting the card reader working with another pi, and we are not quite sure what we did to make it work in the first place :/

Sorry about this

Reventlow
Posts: 4
Joined: Tue Oct 01, 2013 10:16 am

Re: Raspberry Pi and acr122u NFC reader.

Sun Nov 10, 2013 6:50 am

This is what i did to return the UID:

Code: Select all

sudo apt-get -y install subversion autoconf debhelper flex libusb-dev libpcsclite-dev libpcsclite1 libccid pcscd pcsc-tools libpcsc-perl libusb-1.0-0-dev libtool libssl-dev cmake checkinstall

wget https://libnfc.googlecode.com/files/libnfc-1.7.0-rc7.tar.gz  
tar -xvzf libnfc-1.7.0-rc7.tar.gz  
cd libnfc-1.7.0-rc7  
./configure --with-drivers=acr122_pcsc  
make  
sudo make install    

cd ~ 

But I haven't found anything that lets me open the URL storede on the URL like "GoToTags" for windows.

djolemag
Posts: 1
Joined: Sun Dec 22, 2013 5:59 pm

Re: Raspberry Pi and acr122u NFC reader.

Sun Dec 22, 2013 6:03 pm

watch this

http://youtu.be/HQ17iUlX0mU

I think it is not libnfc reader, but is compatible with raspberry...

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QBall1977
Posts: 77
Joined: Thu Aug 09, 2012 10:06 am
Location: Hull, East Yorkshire
Contact: Website

Re: Raspberry Pi and acr122u NFC reader.

Thu Feb 20, 2014 9:03 pm

Anyone tried this or anything similar?

http://www.instructables.com/id/USB-RFI ... -Sub-MQTT/

Just wondered looking for some guidance, the first step is a little vague. :?
____________________________________________
Looking for where to start - try Kernel Panic - http://goo.gl/EEQ5J

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topguy
Posts: 6491
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Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Tue Feb 25, 2014 2:14 pm

Whats vague about "Step 1: Installing RFIDIOt" ?

User avatar
QBall1977
Posts: 77
Joined: Thu Aug 09, 2012 10:06 am
Location: Hull, East Yorkshire
Contact: Website

Re: Raspberry Pi and acr122u NFC reader.

Thu Mar 13, 2014 8:58 am

'Top guy' it was not the installation of RFIDIot that was the problem (getting it downloaded and installed), it was/is getting it to detect/configure the reader which is the problem. I'm still unsure with the ACR112u whether to use

wget https://libnfc.googlecode.com/files/lib ... rc7.tar.gz
tar -xvzf libnfc-1.7.0-rc7.tar.gz
cd libnfc-1.7.0-rc7
./configure --with-drivers=acr122_pcsc OR /configure --with-drivers=acr122_usb
make
sudo make install

Some guides imply the modern usb driver is better. This did allow me to use the reader with LIBNFC, but seemed to stop the quick test of cardselect.py from RFIDIot working. I'm sure when I ran multiselect.py using the pcsc drive it would generate errors.

Does any have any idea the best way to interface with this device, I would like to be able to simply access it python, I'm thinking RFIDIot is better for this than LIBNFC (Have to mess with C based programming) and seems more stable.

Also it was not very clear that you need to prevent modprobe from autoload pn533 and nfc modules.
To do that, create /etc/modprobe.d/blacklist-libnfc.conf with this content:
blacklist pn533
blacklist nfc

to get this working. I'm making progress but this is a whole new realm for me.
____________________________________________
Looking for where to start - try Kernel Panic - http://goo.gl/EEQ5J

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QBall1977
Posts: 77
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Location: Hull, East Yorkshire
Contact: Website

Re: Raspberry Pi and acr122u NFC reader.

Thu Mar 13, 2014 11:25 am

So just to clarify,

I have the ACR122u reader (it is not a tikitag or TouchATag unit).

I have found that I needed to install LIBNFC, when making it with PCSC option it will allow me to run 'cardselect.py' in RFIDIot, but not mutliselect.py it generates several errors.

However when I try running NFC-List it gives ... the error
nfc-list symbol lookup error: /usr/local/lib/libnfc.so.4: undefined symbol: acr122_usb_driver

Throughout all of the sudo pcsc_scan seems to work. Anyone got any suggests. I've trawled the internet to find a suitable guide or assistance, I keep getting snippets and feel I'm getting closer and closer to getting it to work. I just want to be able to read the ID in python (I'm not up for writing to cards just yet!)
____________________________________________
Looking for where to start - try Kernel Panic - http://goo.gl/EEQ5J

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topguy
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Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Mon Mar 17, 2014 11:35 am

Could it be that you have multiple versions of libnfc installed ?

The one you make and install yourself should en up in "/usr/local/lib", if you have another installed in "/usr/lib" then its not unlikely that the wrong one is being used.


oops. no.. the path in the error message suggests that the correct one is being used.

Qidewar
Posts: 1
Joined: Tue Apr 08, 2014 11:30 am

Re: Raspberry Pi and acr122u NFC reader.

Tue Apr 08, 2014 11:38 am

#Reventlow
I have done the same as you; installed the libnfc 1.7.0-rc7 and I am now able to read the cards info, but you wrote that you can get it to "return" the cards value - does that mean you can get the UID "out" and thereby use it?
I need to be able to read the info from the card and isolate the UID so that I can use it as access control, but I can't seem to find any way of "getting it out" - I can see the info in a Terminal-window, but can you tell me how to make the computer "read" it?

Maybe someone else knows how to do this?

Thanks in advance

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topguy
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Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Thu Apr 10, 2014 9:26 am

libnfc comes with a lot of examples.
This one:
https://code.google.com/p/libnfc/source ... -anticol.c

Selects a card and gives you the UID.

The UID of the cards are used for anti-collision if you have multiple cards in front of the antenna, so its the first information you get from the cards.

The UID is usually also available to read from card memory but the details there depends on the type/model of card you are using.

fusco
Posts: 6
Joined: Mon Jun 30, 2014 9:54 am

Re: Raspberry Pi and acr122u NFC reader.

Mon Jun 30, 2014 10:44 am

Hi!!!!

I would like to establish a comunication between Raspberry Pi and ACR122U but I don't know how.
I installed Raspbian on RPi and than libusb, libusb-dev, pcscd, pcsc-lite, libnfc, pcsc-tools .
pcsc_scan and nfc-list does not detect ACR122u .

If i stop pcscd ('/etc/init.d/pcscd stop') and send a command 'pcscd -f -d' the result is:

Code: Select all

root@raspberrypi:/etc/modprobe.d# pcscd -f -d
00000000 debuglog.c:269:DebugLogSetLevel() debug level=debug
00002545 configfile.l:245:DBGetReaderListDir() Parsing conf directory: /etc/reader.conf.d
00001066 configfile.l:257:DBGetReaderListDir() Skipping non regular file: ..
00000189 configfile.l:257:DBGetReaderListDir() Skipping non regular file: .
00000738 configfile.l:298:DBGetReaderList() Parsing conf file: /etc/reader.conf.d/libccidtwin
00000775 pcscdaemon.c:518:main() pcsc-lite 1.8.4 daemon ready.
00062712 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1D6B, PID: 0x0002, path: /dev/bus/usb/001/001
00022754 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1D6B, PID: 0x0002, path: /dev/bus/usb/001/001
00001978 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0424, PID: 0x9512, path: /dev/bus/usb/001/002
00008086 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0424, PID: 0xEC00, path: /dev/bus/usb/001/003
00001831 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0424, PID: 0x9512, path: /dev/bus/usb/001/002
00014898 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x072F, PID: 0x2200, path: /dev/bus/usb/001/008
00001594 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x072F, PID: 0x2200, path: /dev/bus/usb/001/008
00000199 hotplug_libudev.c:311:HPAddDevice() Adding USB device: ACS ACR122U
00000581 readerfactory.c:941:RFInitializeReader() Attempting startup of ACS ACR122U 00 00 using /usr/lib/pcsc/drivers/ifd-acsccid.bundle/Contents/Linux/libacsccid.so
00021119 readerfactory.c:831:RFBindFunctions() Loading IFD Handler 3.0
00002705 ifdhandler.c:2330:init_driver() Driver version: 1.0.6
00002847 ifdhandler.c:2343:init_driver() LogLevel: 0x0003
00003667 ifdhandler.c:2363:init_driver() DriverOptions: 0x0004
00013379 ifdhandler.c:2390:init_driver() ACR38CardVoltage: 0
00008012 ifdhandler.c:2397:init_driver() ACR38CardType: 0
00007358 ifdhandler.c:94:IFDHCreateChannelByName() lun: 0, device: usb:072f/2200:libudev:0:/dev/bus/usb/001/008
00005839 ccid_usb.c:375:OpenUSBByName() Manufacturer: Advanced Card Systems Ltd.
00035027 ccid_usb.c:385:OpenUSBByName() ProductString: ACS CCID driver
00002403 ccid_usb.c:391:OpenUSBByName() Copyright: This driver is protected by terms of the GNU Lesser General Public License version 2.1, or (at your option) any later
00410836 ccid_usb.c:645:OpenUSBByName() Can't claim interface 001/008: Device or resource busy
00625005 ifdhandler.c:118:IFDHCreateChannelByName() failed
00007028 readerfactory.c:972:RFInitializeReader() Open Port 0x200000 Failed (usb:072f/2200:libudev:0:/dev/bus/usb/001/008)
00010492 readerfactory.c:279:RFAddReader() ACS ACR122U init failed.
00000253 readerfactory.c:992:RFUnInitializeReader() Attempting shutdown of ACS ACR122U 00 00.
00000211 readerfactory.c:868:RFUnloadReader() Unloading reader driver.
00002211 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0424, PID: 0x9512, path: /dev/bus/usb/001/002
00002116 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1A40, PID: 0x0101, path: /dev/bus/usb/001/005
00020418 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0951, PID: 0x1607, path: /dev/bus/usb/001/009
00001893 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1A40, PID: 0x0101, path: /dev/bus/usb/001/005
00001895 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x046D, PID: 0xC52F, path: /dev/bus/usb/001/006
00001936 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x046D, PID: 0xC52F, path: /dev/bus/usb/001/006
00014173 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1A40, PID: 0x0101, path: /dev/bus/usb/001/005
00010034 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x046D, PID: 0xC31C, path: /dev/bus/usb/001/007
00002017 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x046D, PID: 0xC31C, path: /dev/bus/usb/001/007
00001858 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x1A40, PID: 0x0101, path: /dev/bus/usb/001/005
00001805 hotplug_libudev.c:260:get_driver() Looking for a driver for VID: 0x0424, PID: 0x9512, path: /dev/bus/usb/001/002


Sorry if my post is not relevant but probably you have solved my same problems and you could help me, please.

Thanks a lot!!

User avatar
topguy
Posts: 6491
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Mon Jun 30, 2014 11:08 am

Try the command with "sudo" and see if you get a different result.

If you still get:
00410836 ccid_usb.c:645:OpenUSBByName() Can't claim interface 001/008: Device or resource busy

Then we might have to look into which other program might have locked the device.

fusco
Posts: 6
Joined: Mon Jun 30, 2014 9:54 am

Re: Raspberry Pi and acr122u NFC reader.

Mon Jun 30, 2014 11:14 am

The problem persist though i use sudo.

How can we check if another program locks the access to the device?

thanks!

User avatar
topguy
Posts: 6491
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Tue Jul 01, 2014 12:57 pm

I was thinking about using a program call "lsof" ( list open files ) which can show *ALL* open files in your system and which process that has opened it.

Code: Select all

sudo apt-get install lsof
lsof | grep dev
And see if something looks familiar.

fusco
Posts: 6
Joined: Mon Jun 30, 2014 9:54 am

Re: Raspberry Pi and acr122u NFC reader.

Wed Jul 02, 2014 9:44 am

Thank you,topguy, for your replies.
The result of the command 'lsof | grep dev' is :

Code: Select all

kdevtmpfs    11             root  cwd       DIR        0,5     3280          3 /
kdevtmpfs    11             root  rtd       DIR        0,5     3280          3 /
kdevtmpfs    11             root  txt   unknown                                /proc/11/exe
udevd       156             root  cwd       DIR      179,6     4096          2 /
udevd       156             root  rtd       DIR      179,6     4096          2 /
udevd       156             root  txt       REG      179,6   137284     133448 /sbin/udevd
udevd       156             root  mem       REG      179,6    42692       1866 /lib/arm-linux-gnueabihf/libnss_files-2.13.so
udevd       156             root  mem       REG      179,6    38604       1979 /lib/arm-linux-gnueabihf/libnss_nis-2.13.so
udevd       156             root  mem       REG      179,6    71624       1835 /lib/arm-linux-gnueabihf/libnsl-2.13.so
udevd       156             root  mem       REG      179,6    26484       1817 /lib/arm-linux-gnueabihf/libnss_compat-2.13.so
udevd       156             root  mem       REG      179,6   116462       1796 /lib/arm-linux-gnueabihf/libpthread-2.13.so
udevd       156             root  mem       REG      179,6     9812       1779 /lib/arm-linux-gnueabihf/libdl-2.13.so
udevd       156             root  mem       REG      179,6  1196144       1821 /lib/arm-linux-gnueabihf/libc-2.13.so
udevd       156             root  mem       REG      179,6   131372       1793 /lib/arm-linux-gnueabihf/libgcc_s.so.1
udevd       156             root  mem       REG      179,6    26632       1934 /lib/arm-linux-gnueabihf/librt-2.13.so
udevd       156             root  mem       REG      179,6   108652       1855 /lib/arm-linux-gnueabihf/libselinux.so.1
udevd       156             root  mem       REG      179,6    10170     137010 /usr/lib/arm-linux-gnueabihf/libcofi_rpi.so
udevd       156             root  mem       REG      179,6   126236       1955 /lib/arm-linux-gnueabihf/ld-2.13.so
udevd       156             root    0u      CHR        1,3      0t0         21 /dev/null
udevd       156             root    1u      CHR        1,3      0t0         21 /dev/null
udevd       156             root    2u      CHR        1,3      0t0         21 /dev/null
udevd       156             root    3u     unix 0xdaa06000      0t0        508 /run/udev/control
udevd       156             root    4u  netlink                 0t0        509 KOBJECT_UEVENT
udevd       156             root    5u      REG       0,12        8      13084 /run/udev/queue.bin
udevd       156             root    6r     0000        0,9        0         18 anon_inode
udevd       156             root    7u     0000        0,9        0         18 anon_inode
udevd       156             root    8u     unix 0xdaa061e0      0t0        515 socket
udevd       156             root    9u     unix 0xdaa063c0      0t0        516 socket
udevd       156             root   10u     0000        0,9        0         18 anon_inode
ifplugd    1587             root    0r      CHR        1,3      0t0         21 /dev/null
ifplugd    1587             root    1w      CHR        1,3      0t0         21 /dev/null
ifplugd    1587             root    2w      CHR        1,3      0t0         21 /dev/null
ifplugd    1661             root    0r      CHR        1,3      0t0         21 /dev/null
ifplugd    1661             root    1w      CHR        1,3      0t0         21 /dev/null
ifplugd    1661             root    2w      CHR        1,3      0t0         21 /dev/null
rsyslogd   1881             root    0u     unix 0xdaa06780      0t0       2647 /dev/log
rsyslogd   1881             root    3u     FIFO        0,5      0t0       2600 /dev/xconsole
rs:main    1881  1891       root    0u     unix 0xdaa06780      0t0       2647 /dev/log
rs:main    1881  1891       root    3u     FIFO        0,5      0t0       2600 /dev/xconsole
rsyslogd   1881  1893       root    0u     unix 0xdaa06780      0t0       2647 /dev/log
rsyslogd   1881  1893       root    3u     FIFO        0,5      0t0       2600 /dev/xconsole
rsyslogd   1881  1894       root    0u     unix 0xdaa06780      0t0       2647 /dev/log
rsyslogd   1881  1894       root    3u     FIFO        0,5      0t0       2600 /dev/xconsole
cron       1941             root    0r      CHR        1,3      0t0         21 /dev/null
cron       1941             root    1w      CHR        1,3      0t0         21 /dev/null
cron       1941             root    2w      CHR        1,3      0t0         21 /dev/null
dbus-daem  1997       messagebus    0u      CHR        1,3      0t0         21 /dev/null
dbus-daem  1997       messagebus    1u      CHR        1,3      0t0         21 /dev/null
dbus-daem  1997       messagebus    2u      CHR        1,3      0t0         21 /dev/null
dbus-daem  1997       messagebus    5u      CHR        1,3      0t0         21 /dev/null
ntpd       2057              ntp    0u      CHR        1,3      0t0         21 /dev/null
ntpd       2057              ntp    1u      CHR        1,3      0t0         21 /dev/null
ntpd       2057              ntp    2u      CHR        1,3      0t0         21 /dev/null
thd        2122           nobody    0u      CHR        1,3      0t0         21 /dev/null
thd        2122           nobody    1u      CHR        1,3      0t0         21 /dev/null
thd        2122           nobody    2u      CHR        1,3      0t0         21 /dev/null
thd        2122           nobody    4r      CHR      13,64      0t0        565 /dev/input/event0
thd        2122           nobody    5r      CHR      13,65      0t0        566 /dev/input/event1
thd        2122           nobody    6r      CHR      13,66      0t0        567 /dev/input/event2
thd        2122           nobody    7r      CHR      13,67      0t0        568 /dev/input/event3
login      2133             root    0u      CHR        4,1      0t0         34 /dev/tty1
login      2133             root    1u      CHR        4,1      0t0         34 /dev/tty1
login      2133             root    2u      CHR        4,1      0t0         34 /dev/tty1
getty      2134             root    0u      CHR        4,2      0t0         35 /dev/tty2
getty      2134             root    1u      CHR        4,2      0t0         35 /dev/tty2
getty      2134             root    2u      CHR        4,2      0t0         35 /dev/tty2
getty      2135             root    0u      CHR        4,3      0t0         36 /dev/tty3
getty      2135             root    1u      CHR        4,3      0t0         36 /dev/tty3
getty      2135             root    2u      CHR        4,3      0t0         36 /dev/tty3
getty      2136             root    0u      CHR        4,4      0t0         37 /dev/tty4
getty      2136             root    1u      CHR        4,4      0t0         37 /dev/tty4
getty      2136             root    2u      CHR        4,4      0t0         37 /dev/tty4
getty      2137             root    0u      CHR        4,5      0t0         38 /dev/tty5
getty      2137             root    1u      CHR        4,5      0t0         38 /dev/tty5
getty      2137             root    2u      CHR        4,5      0t0         38 /dev/tty5
getty      2138             root    0u      CHR        4,6      0t0         39 /dev/tty6
getty      2138             root    1u      CHR        4,6      0t0         39 /dev/tty6
getty      2138             root    2u      CHR        4,6      0t0         39 /dev/tty6
getty      2139             root    0u      CHR     204,64      0t0          9 /dev/ttyAMA0
getty      2139             root    1u      CHR     204,64      0t0          9 /dev/ttyAMA0
getty      2139             root    2u      CHR     204,64      0t0          9 /dev/ttyAMA0
bash       2140               pi    0u      CHR        4,1      0t0         34 /dev/tty1
bash       2140               pi    1u      CHR        4,1      0t0         34 /dev/tty1
bash       2140               pi    2u      CHR        4,1      0t0         34 /dev/tty1
bash       2140               pi  255u      CHR        4,1      0t0         34 /dev/tty1
startx     2154               pi    0u      CHR        4,1      0t0         34 /dev/tty1
startx     2154               pi    1u      CHR        4,1      0t0         34 /dev/tty1
startx     2154               pi    2u      CHR        4,1      0t0         34 /dev/tty1
xinit      2171               pi    0u      CHR        4,1      0t0         34 /dev/tty1
xinit      2171               pi    1u      CHR        4,1      0t0         34 /dev/tty1
xinit      2171               pi    2u      CHR        4,1      0t0         34 /dev/tty1
Xorg       2172             root  mem       REG      179,6    39688     138049 /usr/lib/xorg/modules/input/evdev_drv.so
Xorg       2172             root  mem       CHR       29,0                 130 /dev/fb0
Xorg       2172             root  mem       REG      179,6    14260     138055 /usr/lib/xorg/modules/libfbdevhw.so
Xorg       2172             root  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
Xorg       2172             root    2u      CHR        4,1      0t0         34 /dev/tty1
Xorg       2172             root    5u      CHR        4,7      0t0         40 /dev/tty7
Xorg       2172             root    6u      CHR       29,0      0t0        130 /dev/fb0
Xorg       2172             root    7u      CHR       29,0      0t0        130 /dev/fb0
Xorg       2172             root    9u      CHR      13,64      0t0        565 /dev/input/event0
Xorg       2172             root   10u      CHR      13,65      0t0        566 /dev/input/event1
Xorg       2172             root   11u      CHR      13,66      0t0        567 /dev/input/event2
Xorg       2172             root   12u      CHR      13,67      0t0        568 /dev/input/event3
ck-launch  2178               pi    0u      CHR        4,1      0t0         34 /dev/tty1
ssh-agent  2189               pi    0u      CHR        1,3      0t0         21 /dev/null
ssh-agent  2189               pi    1u      CHR        1,3      0t0         21 /dev/null
ssh-agent  2189               pi    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191             root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191             root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191             root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191             root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191             root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2192       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2192       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2192       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2192       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2192       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2193       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2193       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2193       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2193       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2193       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2194       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2194       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2194       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2194       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2194       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2195       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2195       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2195       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2195       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2195       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2196       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2196       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2196       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2196       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2196       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2197       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2197       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2197       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2197       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2197       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2198       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2198       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2198       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2198       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2198       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2199       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2199       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2199       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2199       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2199       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2200       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2200       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2200       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2200       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2200       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2201       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2201       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2201       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2201       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2201       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2202       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2202       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2202       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2202       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2202       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2203       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2203       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2203       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2203       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2203       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2204       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2204       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2204       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2204       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2204       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2205       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2205       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2205       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2205       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2205       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2206       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2206       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2206       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2206       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2206       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2207       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2207       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2207       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2207       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2207       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2208       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2208       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2208       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2208       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2208       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2209       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2209       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2209       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2209       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2209       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2210       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2210       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2210       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2210       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2210       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2211       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2211       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2211       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2211       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2211       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2212       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2212       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2212       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2212       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2212       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2213       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2213       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2213       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2213       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2213       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2214       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2214       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2214       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2214       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2214       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2215       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2215       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2215       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2215       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2215       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2216       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2216       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2216       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2216       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2216       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2217       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2217       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2217       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2217       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2217       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2218       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2218       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2218       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2218       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2219       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2219       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2220       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2220       root    2u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2220       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2221       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2221       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2222       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2222       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2223       root    0u      CHR        1,3      0t0         21 /dev/null
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console-k  2191  2223       root   10r      CHR        4,0      0t0         29 /dev/tty0
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console-k  2191  2237       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2237       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2237       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2237       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2238       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2238       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2238       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2238       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2238       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2239       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2239       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2239       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2239       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2239       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2240       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2240       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2240       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2240       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2240       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2241       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2241       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2241       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2241       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2241       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2242       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2242       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2242       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2242       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2242       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2243       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2243       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2243       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2243       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2243       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2244       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2244       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2244       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2244       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2244       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2245       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2245       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2245       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2245       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2245       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2246       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2246       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2246       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2246       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2246       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2247       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2247       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2247       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2247       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2247       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2248       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2248       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2248       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2248       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2248       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2249       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2249       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2249       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2249       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2249       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2250       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2250       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2250       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2250       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2250       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2251       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2251       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2251       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2251       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2251       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2252       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2252       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2252       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2252       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2252       root   10r      CHR        4,0      0t0         29 /dev/tty0
console-k  2191  2253       root    0u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2253       root    1u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2253       root    2u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2253       root    5u      CHR        1,3      0t0         21 /dev/null
console-k  2191  2253       root   10r      CHR        4,0      0t0         29 /dev/tty0
gmain      2191  2255       root    0u      CHR        1,3      0t0         21 /dev/null
gmain      2191  2255       root    1u      CHR        1,3      0t0         21 /dev/null
gmain      2191  2255       root    2u      CHR        1,3      0t0         21 /dev/null
gmain      2191  2255       root    5u      CHR        1,3      0t0         21 /dev/null
gmain      2191  2255       root   10r      CHR        4,0      0t0         29 /dev/tty0
gdbus      2191  2256       root    0u      CHR        1,3      0t0         21 /dev/null
gdbus      2191  2256       root    1u      CHR        1,3      0t0         21 /dev/null
gdbus      2191  2256       root    2u      CHR        1,3      0t0         21 /dev/null
gdbus      2191  2256       root    5u      CHR        1,3      0t0         21 /dev/null
gdbus      2191  2256       root   10r      CHR        4,0      0t0         29 /dev/tty0
polkitd    2258             root    0u      CHR        1,3      0t0         21 /dev/null
polkitd    2258             root    1u      CHR        1,3      0t0         21 /dev/null
polkitd    2258             root    2u      CHR        1,3      0t0         21 /dev/null
polkitd    2258             root    5u      CHR        1,3      0t0         21 /dev/null
gdbus      2258  2260       root    0u      CHR        1,3      0t0         21 /dev/null
gdbus      2258  2260       root    1u      CHR        1,3      0t0         21 /dev/null
gdbus      2258  2260       root    2u      CHR        1,3      0t0         21 /dev/null
gdbus      2258  2260       root    5u      CHR        1,3      0t0         21 /dev/null
lxsession  2265               pi    0u      CHR        4,1      0t0         34 /dev/tty1
gmain      2265  2276         pi    0u      CHR        4,1      0t0         34 /dev/tty1
dbus-laun  2268               pi    0u      CHR        4,1      0t0         34 /dev/tty1
dbus-laun  2268               pi    1u      CHR        1,3      0t0         21 /dev/null
dbus-laun  2268               pi    2u      CHR        1,3      0t0         21 /dev/null
dbus-laun  2268               pi    4u      CHR        1,3      0t0         21 /dev/null
dbus-daem  2269               pi    0u      CHR        1,3      0t0         21 /dev/null
dbus-daem  2269               pi    1u      CHR        1,3      0t0         21 /dev/null
dbus-daem  2269               pi    2u      CHR        1,3      0t0         21 /dev/null
dbus-daem  2269               pi    6u      CHR        1,3      0t0         21 /dev/null
openbox    2275               pi    0r      CHR        1,3      0t0         21 /dev/null
lxpanel    2277               pi    0r      CHR        1,3      0t0         21 /dev/null
lxpolkit   2281               pi    0r      CHR        1,3      0t0         21 /dev/null
gdbus      2281  2282         pi    0r      CHR        1,3      0t0         21 /dev/null
gvfsd      2284               pi    0u      CHR        1,3      0t0         21 /dev/null
gvfsd      2284               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfsd      2284               pi    2u      CHR        1,3      0t0         21 /dev/null
gvfsd      2284               pi    6u      CHR        1,3      0t0         21 /dev/null
menu-cach  2286               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
menu-cach  2286               pi    0r      CHR        1,3      0t0         21 /dev/null
menu-cach  2286               pi    1w      CHR        1,3      0t0         21 /dev/null
menu-cach  2286               pi    2w      CHR        1,3      0t0         21 /dev/null
gvfs-gdu-  2294               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gvfs-gdu-  2294               pi  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
gvfs-gdu-  2294               pi    0u      CHR        1,3      0t0         21 /dev/null
gvfs-gdu-  2294               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfs-gdu-  2294               pi    2u      CHR        1,3      0t0         21 /dev/null
gvfs-gdu-  2294               pi    6u      CHR        1,3      0t0         21 /dev/null
udisks-da  2296             root  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
udisks-da  2296             root  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
udisks-da  2296             root    0u      CHR        1,3      0t0         21 /dev/null
udisks-da  2296             root    1u      CHR        1,3      0t0         21 /dev/null
udisks-da  2296             root    2u      CHR        1,3      0t0         21 /dev/null
udisks-da  2296             root    5u      CHR        1,3      0t0         21 /dev/null
gdbus      2296  2298       root  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gdbus      2296  2298       root  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
gdbus      2296  2298       root    0u      CHR        1,3      0t0         21 /dev/null
gdbus      2296  2298       root    1u      CHR        1,3      0t0         21 /dev/null
gdbus      2296  2298       root    2u      CHR        1,3      0t0         21 /dev/null
gdbus      2296  2298       root    5u      CHR        1,3      0t0         21 /dev/null
gmain      2296  2305       root  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gmain      2296  2305       root  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
gmain      2296  2305       root    0u      CHR        1,3      0t0         21 /dev/null
gmain      2296  2305       root    1u      CHR        1,3      0t0         21 /dev/null
gmain      2296  2305       root    2u      CHR        1,3      0t0         21 /dev/null
gmain      2296  2305       root    5u      CHR        1,3      0t0         21 /dev/null
udisks-da  2297             root  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
udisks-da  2297             root  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
udisks-da  2297             root    0u      CHR        1,3      0t0         21 /dev/null
udisks-da  2297             root    1u      CHR        1,3      0t0         21 /dev/null
udisks-da  2297             root    2u      CHR        1,3      0t0         21 /dev/null
udisks-da  2297             root    5u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300               pi  mem       REG      179,6    94576     144358 /usr/lib/libimobiledevice.so.2.0.1
gvfs-afc-  2300               pi    0u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300               pi    2u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300               pi    6u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300  2301         pi  mem       REG      179,6    94576     144358 /usr/lib/libimobiledevice.so.2.0.1
gvfs-afc-  2300  2301         pi    0u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300  2301         pi    1u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300  2301         pi    2u      CHR        1,3      0t0         21 /dev/null
gvfs-afc-  2300  2301         pi    6u      CHR        1,3      0t0         21 /dev/null
gvfs-gpho  2303               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gvfs-gpho  2303               pi  mem       REG      179,6    30488     136787 /usr/lib/arm-linux-gnueabihf/libgudev-1.0.so.0.1.1
gvfs-gpho  2303               pi    0u      CHR        1,3      0t0         21 /dev/null
gvfs-gpho  2303               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfs-gpho  2303               pi    2u      CHR        1,3      0t0         21 /dev/null
gvfs-gpho  2303               pi    6u      CHR        1,3      0t0         21 /dev/null
gconfd-2   2315               pi    0u      CHR        1,3      0t0         21 /dev/null
gconfd-2   2315               pi    1u      CHR        1,3      0t0         21 /dev/null
gconfd-2   2315               pi    2u      CHR        1,3      0t0         21 /dev/null
gconfd-2   2315               pi    3u      CHR        1,3      0t0         21 /dev/null
gconfd-2   2315               pi    6u      CHR        1,3      0t0         21 /dev/null
dhclient   2398             root    0u      CHR        1,3      0t0         21 /dev/null
dhclient   2398             root    1u      CHR        1,3      0t0         21 /dev/null
dhclient   2398             root    2u      CHR        1,3      0t0         21 /dev/null
sshd       2443             root    0u      CHR        1,3      0t0         21 /dev/null
sshd       2443             root    1u      CHR        1,3      0t0         21 /dev/null
sshd       2443             root    2u      CHR        1,3      0t0         21 /dev/null
gksu       2452               pi    0r      CHR        1,3      0t0         21 /dev/null
x-termina  2454             root    6u      CHR        5,2      0t0        131 /dev/ptmx
x-termina  2454             root    7u      CHR      136,0      0t0          3 /dev/pts/0
gmain      2454  2457       root    6u      CHR        5,2      0t0        131 /dev/ptmx
gmain      2454  2457       root    7u      CHR      136,0      0t0          3 /dev/pts/0
gnome-pty  2455             root    2r      CHR        1,3      0t0         21 /dev/null
bash       2456             root    0u      CHR      136,0      0t0          3 /dev/pts/0
bash       2456             root    1u      CHR      136,0      0t0          3 /dev/pts/0
bash       2456             root    2u      CHR      136,0      0t0          3 /dev/pts/0
bash       2456             root  255u      CHR      136,0      0t0          3 /dev/pts/0
gvfsd-tra  2508               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gvfsd-tra  2508               pi    0r      CHR        1,3      0t0         21 /dev/null
gvfsd-tra  2508               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfsd-tra  2508               pi    2u      CHR        1,3      0t0         21 /dev/null
leafpad    2546               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
leafpad    2546               pi    0r      CHR        1,3      0t0         21 /dev/null
leafpad    6069               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
leafpad    6069               pi    0r      CHR        1,3      0t0         21 /dev/null
pcmanfm   10890               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
pcmanfm   10890               pi    0r      CHR        1,3      0t0         21 /dev/null
leafpad   11017               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
leafpad   11017               pi    0r      CHR        1,3      0t0         21 /dev/null
leafpad   14366               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
leafpad   14366               pi    0r      CHR        1,3      0t0         21 /dev/null
udevd     14370             root  cwd       DIR      179,6     4096          2 /
udevd     14370             root  rtd       DIR      179,6     4096          2 /
udevd     14370             root  txt       REG      179,6   137284     133448 /sbin/udevd
udevd     14370             root  mem       REG      179,6    42692       1866 /lib/arm-linux-gnueabihf/libnss_files-2.13.so
udevd     14370             root  mem       REG      179,6    38604       1979 /lib/arm-linux-gnueabihf/libnss_nis-2.13.so
udevd     14370             root  mem       REG      179,6    71624       1835 /lib/arm-linux-gnueabihf/libnsl-2.13.so
udevd     14370             root  mem       REG      179,6    26484       1817 /lib/arm-linux-gnueabihf/libnss_compat-2.13.so
udevd     14370             root  mem       REG      179,6   116462       1796 /lib/arm-linux-gnueabihf/libpthread-2.13.so
udevd     14370             root  mem       REG      179,6     9812       1779 /lib/arm-linux-gnueabihf/libdl-2.13.so
udevd     14370             root  mem       REG      179,6  1196144       1821 /lib/arm-linux-gnueabihf/libc-2.13.so
udevd     14370             root  mem       REG      179,6   131372       1793 /lib/arm-linux-gnueabihf/libgcc_s.so.1
udevd     14370             root  mem       REG      179,6    26632       1934 /lib/arm-linux-gnueabihf/librt-2.13.so
udevd     14370             root  mem       REG      179,6   108652       1855 /lib/arm-linux-gnueabihf/libselinux.so.1
udevd     14370             root  mem       REG      179,6    10170     137010 /usr/lib/arm-linux-gnueabihf/libcofi_rpi.so
udevd     14370             root  mem       REG      179,6   126236       1955 /lib/arm-linux-gnueabihf/ld-2.13.so
udevd     14370             root    0u      CHR        1,3      0t0         21 /dev/null
udevd     14370             root    1u      CHR        1,3      0t0         21 /dev/null
udevd     14370             root    2u      CHR        1,3      0t0         21 /dev/null
udevd     14370             root    3u     0000        0,9        0         18 anon_inode
udevd     14370             root    4u     0000        0,9        0         18 anon_inode
udevd     14370             root    6r     0000        0,9        0         18 anon_inode
udevd     14370             root    9u     unix 0xdaa063c0      0t0        516 socket
udevd     14370             root   11u  netlink                 0t0      13046 KOBJECT_UEVENT
udevd     14371             root  cwd       DIR      179,6     4096          2 /
udevd     14371             root  rtd       DIR      179,6     4096          2 /
udevd     14371             root  txt       REG      179,6   137284     133448 /sbin/udevd
udevd     14371             root  mem       REG      179,6    42692       1866 /lib/arm-linux-gnueabihf/libnss_files-2.13.so
udevd     14371             root  mem       REG      179,6    38604       1979 /lib/arm-linux-gnueabihf/libnss_nis-2.13.so
udevd     14371             root  mem       REG      179,6    71624       1835 /lib/arm-linux-gnueabihf/libnsl-2.13.so
udevd     14371             root  mem       REG      179,6    26484       1817 /lib/arm-linux-gnueabihf/libnss_compat-2.13.so
udevd     14371             root  mem       REG      179,6   116462       1796 /lib/arm-linux-gnueabihf/libpthread-2.13.so
udevd     14371             root  mem       REG      179,6     9812       1779 /lib/arm-linux-gnueabihf/libdl-2.13.so
udevd     14371             root  mem       REG      179,6  1196144       1821 /lib/arm-linux-gnueabihf/libc-2.13.so
udevd     14371             root  mem       REG      179,6   131372       1793 /lib/arm-linux-gnueabihf/libgcc_s.so.1
udevd     14371             root  mem       REG      179,6    26632       1934 /lib/arm-linux-gnueabihf/librt-2.13.so
udevd     14371             root  mem       REG      179,6   108652       1855 /lib/arm-linux-gnueabihf/libselinux.so.1
udevd     14371             root  mem       REG      179,6    10170     137010 /usr/lib/arm-linux-gnueabihf/libcofi_rpi.so
udevd     14371             root  mem       REG      179,6   126236       1955 /lib/arm-linux-gnueabihf/ld-2.13.so
udevd     14371             root    0u      CHR        1,3      0t0         21 /dev/null
udevd     14371             root    1u      CHR        1,3      0t0         21 /dev/null
udevd     14371             root    2u      CHR        1,3      0t0         21 /dev/null
udevd     14371             root    3u     0000        0,9        0         18 anon_inode
udevd     14371             root    4u     0000        0,9        0         18 anon_inode
udevd     14371             root    6r     0000        0,9        0         18 anon_inode
udevd     14371             root    9u     unix 0xdaa063c0      0t0        516 socket
udevd     14371             root   11u  netlink                 0t0      13047 KOBJECT_UEVENT
x-www-bro 14381               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
x-www-bro 14381               pi    0r      CHR        1,3      0t0         21 /dev/null
x-www-bro 14381               pi   13r      CHR        1,9      0t0         25 /dev/urandom
x-www-bro 14381 14382         pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
x-www-bro 14381 14382         pi    0r      CHR        1,3      0t0         21 /dev/null
x-www-bro 14381 14382         pi   13r      CHR        1,9      0t0         25 /dev/urandom
x-www-bro 14381 14383         pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
x-www-bro 14381 14383         pi    0r      CHR        1,3      0t0         21 /dev/null
x-www-bro 14381 14383         pi   13r      CHR        1,9      0t0         25 /dev/urandom
dconf     14381 14384         pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
dconf     14381 14384         pi    0r      CHR        1,3      0t0         21 /dev/null
dconf     14381 14384         pi   13r      CHR        1,9      0t0         25 /dev/urandom
gdbus     14381 14385         pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gdbus     14381 14385         pi    0r      CHR        1,3      0t0         21 /dev/null
gdbus     14381 14385         pi   13r      CHR        1,9      0t0         25 /dev/urandom
x-www-bro 14381 14388         pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
x-www-bro 14381 14388         pi    0r      CHR        1,3      0t0         21 /dev/null
x-www-bro 14381 14388         pi   13r      CHR        1,9      0t0         25 /dev/urandom
gvfsd-met 14387               pi  mem       REG      179,6    50908       1871 /lib/arm-linux-gnueabihf/libudev.so.0.13.0
gvfsd-met 14387               pi    0u      CHR        1,3      0t0         21 /dev/null
gvfsd-met 14387               pi    1u      CHR        1,3      0t0         21 /dev/null
gvfsd-met 14387               pi    2u      CHR        1,3      0t0         21 /dev/null
gvfsd-met 14387               pi    6u      CHR        1,3      0t0         21 /dev/null
lsof      14424             root    0u      CHR      136,0      0t0          3 /dev/pts/0
lsof      14424             root    2u      CHR      136,0      0t0          3 /dev/pts/0
grep      14425             root    1u      CHR      136,0      0t0          3 /dev/pts/0
grep      14425             root    2u      CHR      136,0      0t0          3 /dev/pts/0

I show you also the result of the command fuser -m -u /dev/bus/usb/001/009

Code: Select all

/dev/bus/usb/001/009:   156(root)  1587(root)  1661(root)  1881(root)  1941(root)  1997(messagebus)  2057(ntp)  2122(nobody)  2133(root)  2134(root)  2135(root)  2136(root)  2137(root)  2138(root)  2139(root)  2140(pi)  2154(pi)  2171(pi)  2172m(root)  2178(pi)  2189(pi)  2191(root)  2258(root)  2265(pi)  2268(pi)  2269(pi)  2275(pi)  2277(pi)  2281(pi)  2284(pi)  2286(pi)  2294(pi)  2296(root)  2297(root)  2300(pi)  2303(pi)  2315(pi)  2398(root)  2443(root)  2452(pi)  2454(root)  2455(root)  2508(pi)  2546(pi)  6069(pi) 10890(pi) 11017(pi) 14366(pi) 14370(root) 14371(root) 14381(pi) 14387(pi)
I don't understand if there is a process which locks the access to the device.
I try to modify the ifDriverOptions in the file Info.plist (usr/lib/pcsc/drivers/if-acsccid.bundle/Contents/Info.plist) but the error persists..

Code: Select all

root@raspberrypi:/usr/share/doc/libacsccid1# pcscd -f
00000000 ccid_usb.c:645:OpenUSBByName() Can't claim interface 001/009: Device or resource busy
00675720 ifdhandler.c:118:IFDHCreateChannelByName() failed
00011353 readerfactory.c:972:RFInitializeReader() Open Port 0x200000 Failed (usb:072f/2200:libudev:0:/dev/bus/usb/001/009)
00000160 readerfactory.c:279:RFAddReader() ACS ACR122U init failed.
But when i send a dmesg command , the ACR122u seems to comunicate with my Rpi..

fusco
Posts: 6
Joined: Mon Jun 30, 2014 9:54 am

Re: Raspberry Pi and acr122u NFC reader.

Wed Jul 02, 2014 9:47 am

dmesg..

Code: Select all

......

[ 7351.734786] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7355.064759] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7358.394823] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7361.724899] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7365.045006] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7368.375032] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7371.705115] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7375.035103] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7378.365154] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7381.695265] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7385.025311] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7388.345273] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7391.675448] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7395.005412] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7398.335521] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7401.665575] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7404.995652] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7408.315734] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7411.645681] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7414.975765] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7418.305828] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7421.635911] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7424.965989] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7428.286077] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7431.616041] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7434.946098] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7438.276163] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7441.606238] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7444.936352] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7448.256307] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7451.586359] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7454.916431] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7458.246519] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7461.576607] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7464.906694] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7468.236619] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7471.556696] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7474.886770] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7478.216876] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7481.546965] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7484.876875] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7488.207069] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7491.527018] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7494.857122] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7498.187229] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7501.517281] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7504.847218] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7508.177295] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7511.377379] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7514.827473] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7514.828181] usb 1-1.3.1: USB disconnect, device number 8
[ 7518.247562] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7521.447603] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7524.817557] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7528.017734] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7531.217811] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7534.547910] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7537.877831] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7541.198087] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7544.527997] hub 1-1:1.0: connect-debounce failed, port 2 disabled
[ 7548.487817] usb 1-1.2: new full-speed USB device number 9 using dwc_otg
[ 7548.598484] usb 1-1.2: New USB device found, idVendor=072f, idProduct=2200
[ 7548.598524] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 7548.598546] usb 1-1.2: Product: ACR122U PICC Interface
[ 7548.598564] usb 1-1.2: Manufacturer: ACS
[ 7548.603193] ACR122 TX: 62 00 00 00 00 00 00 03 00 00
[ 7548.605067] ACR122 RX: 80 02 00 00 00 00 00 00 81 00 3b 00 06 00 00 c0
[ 7548.605097] ACR122 RX: 98 a7 da 01 00 00 00 f4 85 40 c0 40 ca 87 da 08
[ 7548.605111] ACR122 RX: a4 5a c0 30 01 01 c0 00 5b 82 d6 0c 05 98 f2 88
[ 7548.605123] ACR122 RX: 4c 04 c0 01 00 00 00 00 00 00 00 01 00 00 00 00
[ 7548.605138] ACR122 RX: 48 96 da 00 00 00 00 02 00 00 00 63 05 5d c0 00
[ 7548.605151] ACR122 RX: 00 00 00 01 00 00 00 08 be 2e c0 c2 06 af 19 00
[ 7548.605163] ACR122 RX: 44 96 da 00 48 96 da 00 00 00 00 01 00 00 00 00
[ 7548.605175] ACR122 RX: 5b 82 d6 02 00 00 00 6e 0f 00 00 3c fc 8a da d4
[ 7548.605187] ACR122 RX: 53 04 c0 00 00 00 00 00 e0 8a da 60 5b 82 d6 40
[ 7548.605198] ACR122 RX: a5 a1 da 60 90 ac d6 50 a5 a1 da 00 00 00 00 60
[ 7548.605209] ACR122 RX: 9b ac d6 4c fc 8a da d4 10 40 c0 00 5b 82 d6 60
[ 7548.605221] ACR122 RX: 5b 82 d6 40 a5 a1 da 94 69 03 c0 40 a5 a1 da 00
[ 7548.605233] ACR122 RX: 5b 82 d6 00 90 ac d6 48 81 03 c0 7c a5 a1 da 40
[ 7548.605245] ACR122 RX: a5 a1 da 02 00 02 00 48 a5 a1 da 50 a5 a1 da 9c
[ 7548.605258] ACR122 RX: a5 a1 da 40 a5 a1 da 00 5b 82 d6 48 a5 a1 da 34
[ 7548.605270] ACR122 RX: 83 03 c0 02 00 00 00 44 b5 0c c0 bc fc 8a da
[ 7548.605335] PN533 TX: 6b 07 00 00 00 00 00 00 00 00 ff 00 00 00 02 d4
[ 7548.605352] PN533 TX: 02
[ 7548.617067] PN533 RX: 83 08 00 00 00 00 00 00 81 00 d5 03 32 01 06 07
[ 7548.617100] PN533 RX: 90 00
[ 7548.617230] pn533 1-1.2:1.0: NFC: NXP PN533 firmware ver 1.6 now attached
[ 7548.617862] PN533 TX: 6b 0b 00 00 00 00 00 00 00 00 ff 00 00 00 06 d4
[ 7548.617913] PN533 TX: 32 05 02 01 00
[ 7548.623082] PN533 RX: 83 04 00 00 00 00 00 00 81 00 d5 33 90 00
[ 7548.623230] PN533 TX: 6b 0b 00 00 00 00 00 00 00 00 ff 00 00 00 06 d4
[ 7548.623251] PN533 TX: 32 02 0b 0b 0c
[ 7548.628095] PN533 RX: 83 04 00 00 00 00 00 00 81 00 d5 33 90 00




Help me, please!

User avatar
topguy
Posts: 6491
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Wed Jul 02, 2014 10:35 am

Hmm..

It looks like the kernel has a driver that captures the device. If you do "lsmod" do you see a "acr12" or "pn533" module loaded.
If so, then you need to blacklist those drivers in "/etc/modprobe.d/raspi-blacklist.conf" ( ok. not 100% sure on the exact filename )

fusco
Posts: 6
Joined: Mon Jun 30, 2014 9:54 am

Re: Raspberry Pi and acr122u NFC reader.

Wed Jul 02, 2014 10:53 am

if i do lsmod i see pn533.

if i open raspi-blacklist.conf

Code: Select all

/etc/modprobe.d# cat raspi-blacklist.conf 
# blacklist spi and i2c by default (many users don't need them)

blacklist spi-bcm2708
blacklist i2c-bcm2708
Are you thinking about changing the file content in

blacklist pn533
blacklist nfc

?????

User avatar
topguy
Posts: 6491
Joined: Tue Oct 09, 2012 11:46 am
Location: Trondheim, Norway

Re: Raspberry Pi and acr122u NFC reader.

Wed Jul 02, 2014 11:40 am

yes, that is what I'm thinking. Add those line and verify after reboot that those modules are not loaded.

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