[Arm-dev] RT3072 Wireless Adapter on centos 7 RPI
Pablo Sebastián Greco
pablo at fliagreco.com.ar
Sun May 13 11:34:51 UTC 2018
Hello Ron,
Before we start with the wifi, I'd like to ask about your kernel because
I don't recognize it as a centos kernel (centos for arm has used the 3
latest LTS, 4.4, 4.9 and 4.14).
Thanks.
Pablo.
El 12/5/18 a las 15:02, cjvijf at gmail.com escribió:
> Hello,
>
> I am building a data-logger for a 'seismograph' on a RPI-2 running
> Centos 7.
>
> Wireless is working, with another wireless usb adapter, but since this
> one is going to sit in a barn, I need a longer range wifi antenna.
>
> The OS sees the device, and ifconfig shows a MAC address, but somehow
> it doesn't seem to come up. It does work on "regular" Centos 6, running
> on a laptop, no issues at all.
>
> any ideas? (I put some of the details below, it's wlan1 I am trying
> to make work)
> 9Not running anything IPV6, so don't know why that module was loaded.)
>
> thanks,
>
> Ron
>
>
> [root at rpi2-1 ~]# uname -a
> Linux rpi2-1 3.18.14-v7+ #794 SMP PREEMPT Sun Jun 7 12:50:51 BST 2015
> armv7l armv7l armv7l GNU/Linux
>
> [root at rpi2-1 ~]# lsusb
> Bus 001 Device 007: ID 148f:3072 Ralink Technology, Corp. RT3072
> Wireless Adapter
>
> [root at rpi2-1 ~]# ifconfig -a
> .
> .
> .
> wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 192.168.2.4 netmask 255.255.255.0 broadcast 192.168.2.255
> inet6 fe80::76da:38ff:fe6d:da2 prefixlen 64 scopeid 0x20<link>
> ether 74:da:38:6d:0d:a2 txqueuelen 1000 (Ethernet)
> RX packets 267 bytes 32204 (31.4 KiB)
> RX errors 0 dropped 2 overruns 0 frame 0
> TX packets 227 bytes 39749 (38.8 KiB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> wlan1: flags=4098<BROADCAST,MULTICAST> mtu 1500
> ether e8:4e:06:58:1b:97 txqueuelen 1000 (Ethernet)
> RX packets 0 bytes 0 (0.0 B)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 0 bytes 0 (0.0 B)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> [root at rpi2-1 ~]# lsmod
> Module Size Used by
> arc4 1745 2
> rt2800usb 17886 0
> rt2800lib 71839 1 rt2800usb
> rt2x00usb 8517 1 rt2800usb
> rt2x00lib 36704 3 rt2x00usb,rt2800lib,rt2800usb
> mac80211 479583 3 rt2x00lib,rt2x00usb,rt2800lib
> cfg80211 386516 2 mac80211,rt2x00lib
> crc_ccitt 1153 1 rt2800lib
> rfkill 16651 2 cfg80211
> ftdi_sio 30912 0
> 8192cu 528365 0
> usbserial 22425 1 ftdi_sio
> uio_pdrv_genirq 2958 0
> uio 8119 1 uio_pdrv_genirq
> i2c_bcm2708 5006 0
> i2c_dev 6027 0
> ipv6 333976 26
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