All Questions
17
questions
0
votes
0
answers
13
views
wpa_supplicant fails to connect with some routers
I have a Yocto Linux device equipped with a Laird 450-0152r wifi module. When the system boots, a systemd service creates an access point using the following script:
#!/bin/bash
modprobe brcmfmac
iw ...
- 149
0
votes
0
answers
119
views
How to install the wireless LAN card driver on embedded Linux
I wanted to use AP mode with embedded Linux and wireless LAN card
I connected the wireless LAN card to the embedded board with USB, but the commands like ifconfig and iwconfig didn't recognize it
...
- 1
1
vote
0
answers
97
views
Wi-Fi Access Point has very low speed in one direction
We are creating an Access Point on an embedded device by using hostapd and dnsmasq. No iptables rule is set.
We set it on 5Ghz (a/n) however max transfer speed is 6.1 Mbyte/sec. (Tried with scp and ...
- 139
0
votes
0
answers
254
views
hostapd client cannot ping the host but the host can
I have an embedded system running Linux and I configured it to create an access point using hostapd and udhcpd. I can connect to the access point and receive an IP with a client device. However, I ...
- 149
1
vote
0
answers
56
views
What does "RTUSBBulkOutMLMEPacket: Submit MLME URB failed -22" mean?
I'm trying to build a kernel module to use a Ralink RT5370 Wi-Fi USB device, with lsusb ID 148f:5370. My host is a NAS with a Linux kernel based on version 2.6.33.2.
I downloaded the driver sources ...
- 177
0
votes
2
answers
6k
views
Embedded device wpa_supplicant reconnect
We have an embedded arm device running an OS based on Debian 9, running kernel 4.14.67-1.0.6+.
EDIT: As per @A.B's request, below is the driver/chipset info too for future viewers - I didn't know how ...
- 121
1
vote
0
answers
2k
views
brcmfmac sdio error: it's software or hardware fault?
I'm working on a custom embedded board that embeds a BCM43430 (from Cypress). The os is a customized Yocto project for an armv7l-based MPU.
On boot I get these messages:
# dmesg | grep brcm
[ 11....
- 733
2
votes
0
answers
639
views
Cannot set wifi card to use non-HT IBSS modes using iw
I have two embedded systems that will be communicating with each other using Doodle Labs NM-915-1F wifi transceivers. One system is an Axiomtek PICO831 running Arch Linux 4.10.9-1-ARCH, and the other ...
2
votes
1
answer
5k
views
`iw dev $interface scan` not working on embedded device
Running on a custom rockchip board with Ubuntu 14.04. I look at interfaces with ifconfig:
...
wlan3 Link encap:Ethernet HWaddr 08:ea:40:d7:63:27
inet addr:192.168.12.1 Bcast:192....
- 10.4k
1
vote
0
answers
198
views
TP Link Wifi dongle connectivity drops after 12 hours on Linux Kernel 2.6
I am using USB WiFi dongle (TP Link) to connect my custom device to the Access Point. Upon device boot up, the connection and speed is normal. After about 12 hours, the network connectivity drops and ...
5
votes
1
answer
804
views
How best to enable end-user configuration of wifi or Ethernet on embedded device?
I'm building a device that includes an embedded Linux computer and I need to allow the device user to (easily) configure the device to connect to their wired or wireless network.
I know there are ...
- 161
3
votes
0
answers
879
views
How to make iwconfig fully work on embedded Linux
The target embedded Linux is ARM Xilinx Zynq, and I am working in CentOS to compile to ARM using Xilinx's tool. The target OS is working now and I want to setup the wifi using iwconfig.
I downloaded ...
- 161
3
votes
1
answer
3k
views
WIFI over SDIO over USB - Do I have to reflect that in the device tree?
I am currently extending an embedded hardware platform which runs a linux kernel 3.16. I want to connect an external SDIO controller to the USB bus, and then run a WIFI module using that SDIO ...
- 31
2
votes
0
answers
606
views
How to switch wifi channel without dropping connection?
We are developing small internet connected device that connects via wifi and does some work. It is controlled via mobile app.
For configuration purposes we use wi-fi module that can work in both STA +...
Nick
3
votes
0
answers
3k
views
How can I make wlan0 show up automatically when I plug in my WiFi USB adapter?
Before I plug in the USB there is no wlan0:
root@beaglebone:/mnt/etc/network# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
usb0 no wireless extensions.
root@...
- 449