How-To Udev

[meister85]

Prerequisto per usare UDEV

• Un PC Linux
• Un Reader per esempio Easymouse2, Smargo (FW >= 1.4)

FAQ

1. Apri PUTTY e dai questo commando

ls -l /dev/ttyUSB*

2. Dovrebbe uscire un output come questo

root@cardserver:~ ls -l /dev/ttyUSB*
crw-rw---- 1 root dialout 188, 0 2011-10-05 13:05 [B][COLOR=#800080]/dev/ttyUSB0[/COLOR][/B]

3. Ora devi mettere questo commando in PUTTY

udevadm info -n [B][COLOR=#800080]/dev/ttyUSB0[/COLOR][/B] -a

3. Segue il seguente output

root@cardserver:~ udevadm info -n /dev/ttyUSB0 -a
 
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
 
  looking at device '/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1:1.0/ttyUSB0/tty/ttyUSB0':
    KERNEL=="ttyUSB0"
    SUBSYSTEM=="tty"
    DRIVER==""
 
  looking at parent device '/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1:1.0/ttyUSB0':
    KERNELS=="ttyUSB0"
    SUBSYSTEMS=="usb-serial"
    DRIVERS=="ftdi_sio"
    ATTRS{latency_timer}=="1"
    ATTRS{port_number}=="0"
 
  looking at parent device '/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1:1.0':
    KERNELS=="4-1:1.0"
    SUBSYSTEMS=="usb"
    DRIVERS=="ftdi_sio"
    ATTRS{bInterfaceNumber}=="00"
    ATTRS{bAlternateSetting}==" 0"
    ATTRS{bNumEndpoints}=="02"
    ATTRS{bInterfaceClass}=="ff"
    ATTRS{bInterfaceSubClass}=="ff"
    ATTRS{bInterfaceProtocol}=="ff"
    ATTRS{modalias}=="usb:v0403p6001d0600dc00dsc00dp00icFFiscFFipFF"
    ATTRS{supports_autosuspend}=="0"
    ATTRS{interface}=="FT232R USB UART"
 
  looking at parent device '/devices/pci0000:00/0000:00:1d.0/usb4/4-1':
    KERNELS=="4-1"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{configuration}==""
    ATTRS{bNumInterfaces}==" 1"
    ATTRS{bConfigurationValue}=="1"
    ATTRS{bmAttributes}=="a0"
    ATTRS{bMaxPower}==" 90mA"
    ATTRS{urbnum}=="80894013"
    ATTRS{idVendor}=="0403"
    ATTRS{idProduct}=="6001"
    ATTRS{bcdDevice}=="0600"
    ATTRS{bDeviceClass}=="00"
    ATTRS{bDeviceSubClass}=="00"
    ATTRS{bDeviceProtocol}=="00"
    ATTRS{bNumConfigurations}=="1"
    ATTRS{bMaxPacketSize0}=="8"
    ATTRS{speed}=="12"
    ATTRS{busnum}=="4"
    ATTRS{devnum}=="2"
    ATTRS{version}==" 2.00"
    ATTRS{maxchild}=="0"
    ATTRS{quirks}=="0x0"
    ATTRS{authorized}=="1"
    ATTRS{manufacturer}=="FTDI"
    ATTRS{product}=="FT232R USB UART"
 [SIZE=3][B]   [COLOR=#008000]ATTRS{serial}[/COLOR]==[COLOR=#ff0000]"A423fRMO"[/COLOR][/B][/SIZE]
 
  looking at parent device '/devices/pci0000:00/0000:00:1d.0/usb4':
    KERNELS=="usb4"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{configuration}==""
    ATTRS{bNumInterfaces}==" 1"
    ATTRS{bConfigurationValue}=="1"
    ATTRS{bmAttributes}=="e0"
    ATTRS{bMaxPower}=="  0mA"
    ATTRS{urbnum}=="52"
    ATTRS{idVendor}=="1d6b"
    ATTRS{idProduct}=="0001"
    ATTRS{bcdDevice}=="0206"
    ATTRS{bDeviceClass}=="09"
    ATTRS{bDeviceSubClass}=="00"
    ATTRS{bDeviceProtocol}=="00"
    ATTRS{bNumConfigurations}=="1"
    ATTRS{bMaxPacketSize0}=="64"
    ATTRS{speed}=="12"
    ATTRS{busnum}=="4"
    ATTRS{devnum}=="1"
    ATTRS{version}==" 1.10"
    ATTRS{maxchild}=="2"
    ATTRS{quirks}=="0x0"
    ATTRS{authorized}=="1"
    ATTRS{manufacturer}=="Linux 2.6.32-27-generic-pae uhci_hcd"
    ATTRS{product}=="UHCI Host Controller"
    ATTRS{serial}=="0000:00:1d.0"
    ATTRS{authorized_default}=="1"
 
  looking at parent device '/devices/pci0000:00/0000:00:1d.0':
    KERNELS=="0000:00:1d.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="uhci_hcd"
    ATTRS{vendor}=="0x8086"
    ATTRS{device}=="0x27c8"
    ATTRS{subsystem_vendor}=="0x1462"
    ATTRS{subsystem_device}=="0x7379"
    ATTRS{class}=="0x0c0300"
    ATTRS{irq}=="23"
    ATTRS{local_cpus}=="ff"
    ATTRS{local_cpulist}=="0-7"
    ATTRS{modalias}=="pci:v00008086d000027C8sv00001462sd00007379bc0Csc03i00"
    ATTRS{enable}=="1"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}==""
 
  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

Cercate la linea ATTRS{serial}
In questa linea ce la serial del reader, come nel mio esempio A423fRMO

4. Vai nella cartella /etc/udev/rules.d

cd /etc/udev/rules.d

Per systema Debian

5. Dobbiamo creare un file che si chiama 10-usbadapter.rules

touch [COLOR=#ff0000]10[/COLOR]-usbadapter.rules

6. Dopo aver creato il file 10-usbadapter.rules, lo dobbiamo editare

nano [COLOR=#ff0000]10[/COLOR]-usbadapter.rules

7. Nell file dobbiamo inserire questo

SUBSYSTEMS=="usb", KERNEL=="ttyUSB[COLOR=#ff0000]*[/COLOR]", ATTRS{serial}=="[COLOR=#ff0000][B]A423fRMO[/B][/COLOR]", SYMLINK+="[COLOR=#0000cd][B]Sceda1[/B][/COLOR]"

Per systema Ubuntu

5. Dobbiamo creare un file che si chiama 40-usbadapter.rules

touch [COLOR=#ff0000]40[/COLOR]-usbadapter.rules

6. Dopo aver creato il file 40-usbadapter.rules, lo dobbiamo editare

nano [COLOR=#ff0000]40[/COLOR]-usbadapter.rules

7. Nell file dobbiamo inserire questo

SUBSYSTEMS=="usb", KERNEL=="ttyUSB[COLOR=#ff0000]?[/COLOR]", ATTRS{serial}=="[COLOR=#ff0000][B]A423fRMO[/B][/COLOR]", SYMLINK+="[COLOR=#0000cd][B]Sceda1[/B][/COLOR]"

Sceda1 lo potete sostituire con un nome qualsiasi per esempio SKYITALIA!!!

Esempio per la configurazione OScam:

device = dev/Sceda1


Il Punto 4 - 7 lo potete fare anche con WINSCP, e piu facile ;-)


IMPORTANTE: DOPO AVER FATTO TUTTO, DOVETE FARE RIAVVIARE IL SERVER/PC!!!

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