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How to get Micronext mnwd152b working?

Former Member

Hello,

 

When I purchased my Raspberry Pi from Element14, I bought a MicroNext mnwd152b because Element 14 recommended it.

 

Now that I have set it all up, when I have the dongle connected to the USB connected on the RPi, as you boot up, it just says it is timing out when Modprobe runs and never seems to work. How do I get this working? I am running a current Raspbian Wheezy.

 

To get it running, I connected it via a cat5 cable which works nicely if you start doing networking operations as soon as it boots up. Unfortunately, if you leave it alone for a minute or two, you seem to lose connectivity - if you check ifconfig, eth0 no longer has an IP address assigned and you can no longer ping it from the rest of the network.

 

Any suggestions as to how I may diagnose this problem? Other computers on the network continue working fine through the FritzBox 7390 it is connected to.

 

Thanks in advance,

 

MarkL

Parents

  • Hi Mark,

     

    I believe this adapter would use the RTL8192cu driver.  I had tested a similar adapter the Asus N13.  In my Wi-Fi document, there is a link to the 8192cu driver which was compiled by a colleague in the UK (ajtag).  However, this kernel module needs to be recompiled to work with the kernel in the current Raspbian Wheezy image.  I'll ping him as I don't think he has done this yet.

     

    In the meantime, Adafruit has released there own version of Raspbian Wheezy to support the products they sell including RTL8192cu-based WiFi:

     

    http://learn.adafruit.com/adafruit-raspberry-pi-educational-linux-distro/occidentalis-v0-dot-1

     

    Their image might work for your adapter.

     

    Cheers,

    Drew

  • in reply to fustini

    I was able to use the Asus USB-N13 without any problems with Adafruit's image (http://learn.adafruit.com/adafruit-raspberry-pi-educational-linux-distro/occidentalis-v0-dot-1).  It has the 8192cu driver module compiled into the kernel.  I believe the Micronext uses the same driver.

  • in reply to fustini

    pi@raspberrypi:~$ cat /proc/config.gz  |gunzip - |grep 8192

    # CONFIG_RTL8192SE is not set

    # CONFIG_RTL8192DE is not set

    CONFIG_RTL8192CU=y

    CONFIG_RTL8192C_COMMON=m

    pi@raspberrypi:~$ grep 8192cu /lib/modules/3.1.9adafruit+/modules.*

    /lib/modules/3.1.9adafruit+/modules.builtin:kernel/drivers/net/wireless/rtl8192cu/8192cu.ko

    pi@raspberrypi:~$ lsusb

    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

    Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.

    Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.

    Bus 001 Device 004: ID 0b05:17ab ASUSTek Computer, Inc. USB-N13 802.11n Network Adapter (rev. B1) [Realtek RTL8192CU]

    pi@raspberrypi:~$ iwconfig

    lo        no wireless extensions.

     

     

    eth0      no wireless extensions.

     

     

    wlan1     unassociated  Nickname:"<WIFI@REALTEK>"

              Mode:Auto  Frequency=2.412 GHz  Access Point: Not-Associated  

              Sensitivity:0/0 

              Retry:off   RTS thr:off   Fragment thr:off

              Power Management:off

              Link Quality:0  Signal level:0  Noise level:0

              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

              Tx excessive retries:0  Invalid misc:0   Missed beacon:0

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  • in reply to fustini

    pi@raspberrypi:~$ cat /proc/config.gz  |gunzip - |grep 8192

    # CONFIG_RTL8192SE is not set

    # CONFIG_RTL8192DE is not set

    CONFIG_RTL8192CU=y

    CONFIG_RTL8192C_COMMON=m

    pi@raspberrypi:~$ grep 8192cu /lib/modules/3.1.9adafruit+/modules.*

    /lib/modules/3.1.9adafruit+/modules.builtin:kernel/drivers/net/wireless/rtl8192cu/8192cu.ko

    pi@raspberrypi:~$ lsusb

    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

    Bus 001 Device 002: ID 0424:9512 Standard Microsystems Corp.

    Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.

    Bus 001 Device 004: ID 0b05:17ab ASUSTek Computer, Inc. USB-N13 802.11n Network Adapter (rev. B1) [Realtek RTL8192CU]

    pi@raspberrypi:~$ iwconfig

    lo        no wireless extensions.

     

     

    eth0      no wireless extensions.

     

     

    wlan1     unassociated  Nickname:"<WIFI@REALTEK>"

              Mode:Auto  Frequency=2.412 GHz  Access Point: Not-Associated  

              Sensitivity:0/0 

              Retry:off   RTS thr:off   Fragment thr:off

              Power Management:off

              Link Quality:0  Signal level:0  Noise level:0

              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

              Tx excessive retries:0  Invalid misc:0   Missed beacon:0

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