|Dec 07, 2012, 04:46 AM|
Raspberry Pi rtl8192 access point
It doesn't work on the stock image, but there is an easy solution.
Go to http://esrlabs.com/android-transport...-raspberry-pi/ in which a buried link currently goes to
a magic image with versions of the networking tools which work with the rtl8192.
The serial port login is pi & passwd is raspberry.
Once that's flashed & booted, disable all the android crap & CPU hogs.
They use dnsmasq for DHCP. Edit /etc/dnsmasq.conf to fix the IP address range.
Their networking is configured in /etc/init.d/ap. Change it to a useful IP address & bring up eth0 here.
Change hostapd to a useful ssid & encryption.
This image doesn't have a useful kernel. To get runtime CPU frequency scaling & the full 512MB of RAM, you need to overwrite the /boot directory with the /boot directory from the latest image.
Mount the latest image on your desktop.
parted <image file>
mount -o offset=<offset in bytes of 1st partition> <image file> /mnt
scp -a /mnt/boot/* pi:/boot
The following directories aren't needed: /usr/share/doc /usr/share/icons /usr/share/scratch
Better yet, make all these changes in the ESR image.
That gives a screaming 900Mhz ARM with 512MB of RAM & full iPad compatible access point so you can make your aircraft talk to apps.
In other news, the stock image met its goal of a standalone autopilot which can be powered on anywhere with batteries suitable for the pi's 1.5A 12V requirement & flown at the press of a button.
It's fortuitous that someone invested the time to make an rtl8192 access point work on the raspberry pi, but there was so much demand for such a feature, the odds were good that someone would do it. It's too bad the changes didn't make it into the main branch.
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