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|
#!/bin/sh
set -u
set -e
# Your settings
#
WATCHDOG_TIME="99.9" # 0.1 - 99.9 Seconds
IRSEND="irsend -d /var/run/lirc/ya_usbir SEND_ONCE yaUsbIR_control C_WATCHDOG %s C_END"
#
# End of user config
trigger_watchdog(){
# Calculate n1, n2 and n3 values
eval $(bc <<EOF 2> /dev/null
watchdog = ${WATCHDOG_TIME}
if ((watchdog < 0.1) || (watchdog > 99.9) || (scale(watchdog) > 1)) {
print "N1=0\n"
print "N2=0\n"
print "N3=0\n"
print "OK=false\n"
halt
}
watchdog = watchdog * 1000
scale = 0
n1 = watchdog / 10000
part = watchdog % 10000
n2 = part / 1000
part = part % 1000
n3 = part / 100
print "N1=",n1,"\n"
print "N2=",n2,"\n"
print "N3=",n3,"\n"
print "OK=true\n"
EOF
)
if [ "${OK}" = "true" ]; then
eval $(printf "${IRSEND} 2> /dev/null" "1 ${N1} ${N2} ${N3}") || return 1
else
return 1
fi
}
deactivate_watchdog(){
eval $(printf "${IRSEND} 2> /dev/null" "0") || return 1
}
case "${1}" in
startup)
trigger_watchdog || exit 1
;;
started)
trigger_watchdog || exit 1
;;
shutdown)
deactivate_watchdog || exit 1
;;
running)
trigger_watchdog || exit 1
;;
esac
exit 0
|
