PiCam

warning: this info is in progress -- may not (yet) represent a useful thing

/boot/config.txt

# Enable audio (loads snd_bcm2835)
dtparam=audio=on
start_x=1
gpu_mem=128

LINKS

• https://jawwig.wordpress.com/2013/11/19/setting-up-raspberry-pi-security-cam-on-model-a-or-b-with-minimal-armhf-image/
• http://raspberrypi.stackexchange.com/questions/10357/enable-camera-without-raspi-config

enable_camera.sh

#!/bin/bash

set_config_var() {
  lua - "$1" "$2" "$3" <<EOF > "$3.bak"
local key=assert(arg[1])
local value=assert(arg[2])
local fn=assert(arg[3])
local file=assert(io.open(fn))
local made_change=false
for line in file:lines() do
  if line:match("^#?%s*"..key.."=.*$") then
    line=key.."="..value
    made_change=true
  end
  print(line)
end

if not made_change then
  print(key.."="..value)
end
EOF
mv "$3.bak" "$3"
}

[ -e /boot/config.txt ] || touch /boot/config.txt

set_config_var start_x 1 /boot/config.txt
set_config_var gpu_mem 128 /boot/config.txt
sed /boot/config.txt -i -e "s/^startx/#startx/"
sed /boot/config.txt -i -e "s/^fixup_file/#fixup_file/"

then

 chmod +x enable_camera.sh
 apt-get install lua5.2 (needed as it is used in the script)
 ./enable_camera.sh