- Offizieller Beitrag
Zurzeit testet http://www.element14.com einige WiFi Adapter für den Raspberry Pi.
Folgende Adapter wurden getestet:
IOGear GWU625 802.11n adapter AMAZON.COM [Anzeige]
- Driver: r8712u
- Test Ergebnis
- Fedora Remix: Verbindung OK zu 802.11g WPA2 Access Point via NetworkManager applet
- Debian: image does not include driver in /lib/modules
Asus USB-N10 802.11n adapter AMAZON.DE [Anzeige]
- Driver: r8712u
- Test Ergebnis
- Fedora Remix: Verbindung OK zu 802.11g WPA2 Access Point via NetworkManager applet
- Debian: image does not include driver in /lib/modules
Trendnet TEW-424UB 802.11g Adapter AMAZON.DE [Anzeige]
- Driver: rtl8187
- Test Ergebnis
- Fedora Remix: Fedora Remix & Debian: Treiber lädt und das Gerät wird erkannt, aber er findet keinen Access Point
- Kernel log beinhaltet folgende Error-Meldungen nach dem Start des Adapters:
- Apr 17 01:22:52 raspberrypi kernel: smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000118
- Apr 17 01:22:57 raspberrypi kernel: smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
- Apr 17 01:23:06 raspberrypi kernel: DEBUG:handle_hc_chhltd_intr_dma:: XactErr with NYET/NAK/ACK
- Apr 17 01:23:06 raspberrypi kernel: DEBUG:handle_hc_chhltd_intr_dma:: XactErr without NYET/NAK/ACK
- This adapter does work ok in Ubuntu 11.10 x86 laptop running Linux v3.0.0-17-generic
- eLinux wiki does list a RTL8187-based Netgear adapter as working, so may be possible to get this adapter working
BlueProton High-Gain BT3 802.11g Adapter AMAZON.COM [Anzeige]
- Driver: rtl8187
- Test Ergebnis
- Fedora Remix & Debian: Treiber lädt und das Gerät wird erkannt, aber er findet keinen Access Point
- Kernel log beinhaltet folgende Error-Meldungen nach dem Start des Adapters:
- Dec 31 19:08:36 raspi kernel: [ 522.845307] DEBUG:handle_hc_chhltd_intr_dma:: XactErr with NYET/NAK/ACK
- Dec 31 19:22:17 raspi kernel: [ 1367.536332] DEBUG:handle_hc_chhltd_intr_dma:: XactErr without NYET/NAK/ACK
- This adapter does work ok in my Ubuntu 11.10 x86 laptop running Linux v3.0.0-17-generic
- eLinux wiki does list a RTL8187-based Netgear adapter as working, so may be possible to this adapter working
Getestete Distributionen:
- Debian
- Version getestet: debian6-13-04-2012
- Current version includes rtl8187 but not r8712u driver kernel modules in /lib/modules
- I had cross-compiled the driver kernel modules for the previous Debian image but kernel would not load
- Debian wiki page für chipset Realtek chipset family:
- Mögliche Lösungen:
- attempt to cross-compile the r8712u module again and load for this newer Debian image
- attempt to use /lib/modules and /boot from https://github.com/raspberrypi/firmware
- Fedora Remix
- Version getestet: raspberrypi-fedora-remix-14-r1
- All wireless modules needed are included in /lib/modules
- Drivers automatically loaded for all adapters tested (although BlueProton RTL8187 adapter not functioning)
- No additional packages had to be installed such as for firmware
- The NetworkManager applet in the lower left hand corner of LXDE desktop was used to connect to wireless networks
- Tip: nmcli allows you to control network connections from the shell instead of the applet
- Tip: nm-tool is very useful to see the state of network devices and wireless network information
Es muss also noch viel geändert und getestet werden. Es sticht aber heraus, dass Fedora Remix am wenigsten Schwierigkeiten bereitet.