kindle-display.sh

#!/bin/sh -xe
# https://news.ycombinator.com/item?id=11897804
# modified to work with newer versions

echo $PATH

sleeptime=600 #seconds
url="http://192.168.3.2/m1.png"
tmp_image="/tmp/image.png"

wifienable() {
	#lipc-set-prop com.lab126.cmd wirelessEnable 1
	lipc-set-prop com.lab126.wifid enable 1
}
wifidisable() {
	#lipc-set-prop com.lab126.cmd wirelessEnable 0
	lipc-set-prop com.lab126.wifid enable 0
}
sleepfor() {
	lipc-set-prop -i com.lab126.powerd rtcWakeup $1
}

wait_for_wifi() {
	#return true if keyword not found
	return `lipc-get-prop com.lab126.wifid cmState | grep CONNECTED | wc -l`
}
wait_for_ready_suspend() {
	return `powerd_test -s | grep Ready | wc -l`
}

while true;
	do wifienable
	while wait_for_wifi; do sleep 1; done
	wget -O $tmp_image $url
	eips -g $tmp_image
	wifidisable
	while wait_for_ready_suspend; do sleep 1; done
	sleepfor $sleeptime
done