Drivere til Wifi USB adapter

Svanemerket

25. desember 2015

Jeg har kjøpt en superbillig 300M USB Wifi Adapter (lenke til ebay) til min Raspberry Pi 2 (Debian) og trenger hjelp til å få den til å fungere. Slik som det er nå så blir den listet av lsusb, mens ifconfig og iwconfig ikke gir noe. Det ser altså ut som USB adapteren blir oppdaget av OS, men at det ikke blir aktivert. Har funnet ut at chipset skal være rtl8192eu eller rtl8192cu. Ut i fra svar på lignende problemstillinger funnet på andre nettsteder så er det ofte følgende informasjon som blir etterspurt fra de gode hjelperne:

uname -a:

Kode

Linux raspberrypi 4.1.7-v7+ #817 SMP PREEMPT Sat Sep 19 15:32:00 BST 2015 armv7l GNU/Linux

lsusb:

Kode

Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 004: ID 0bda:818b Realtek Semiconductor Corp.
Bus 001 Device 005: ID 1997:2433

lsusb -vvv:

Kode

Bus 001 Device 004: ID 0bda:818b Realtek Semiconductor Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x0bda Realtek Semiconductor Corp.
  idProduct          0x818b 
  bcdDevice            2.00
  iManufacturer           1 Realtek
  iProduct                2 802.11n NIC
  iSerial                 3 00e04c000001
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           53
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           5
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              2 802.11n NIC
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x84  EP 4 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x05  EP 5 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x06  EP 6 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x87  EP 7 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval               3
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x08  EP 8 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Device Status:     0x0001
  Self Powered

lsmod:

Kode

Module                  Size  Used by
cfg80211              420690  0
rfkill                 16659  1 cfg80211
uinput                  7120  0
snd_bcm2835            19769  0
snd_pcm                74825  1 snd_bcm2835
snd_seq                53561  0
snd_seq_device          3650  1 snd_seq
snd_timer              18157  2 snd_pcm,snd_seq
snd                    52116  5 snd_bcm2835,snd_timer,snd_pcm,snd_seq,snd_seq_device
joydev                  9047  0
bcm2835_gpiomem         2995  0
evdev                  10232  6
uio_pdrv_genirq         2966  0
uio                     8235  1 uio_pdrv_genirq

dmesg:

Kode

[    3.093249] usb 1-1.2: new high-speed USB device number 4 using dwc_otg
[    3.204781] usb 1-1.2: New USB device found, idVendor=0bda, idProduct=818b
[    3.217086] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    3.230548] usb 1-1.2: Product: 802.11n NIC
[    3.240431] usb 1-1.2: Manufacturer: Realtek
[    3.252903] usb 1-1.2: SerialNumber: 00e04c000001

iwconfig:

Kode

lo        no wireless extensions.

eth0    no wireless extensions.

ifconfig:

Kode

eth0      Link encap:Ethernet  HWaddr b8:11:11:11:11:11
          inet addr:10.0.0.167  Bcast:10.0.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:5916 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3787 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2218488 (2.1 MiB)  TX bytes:586068 (572.3 KiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:14 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1404 (1.3 KiB)  TX bytes:1404 (1.3 KiB)

På forhånd takk for hjelp!