try even harder to not drop any packets

[fhem-stuff] / COC / update-coc

#!/bin/sh

if [ "`id -u`" != "0" ]; then
	exec sudo "${0}" "${@}"
fi

echo "calling COC bootloader..."
if test ! -d /sys/class/gpio/gpio17; then echo 17 > /sys/class/gpio/export; fi
if test ! -d /sys/class/gpio/gpio18; then echo 18 > /sys/class/gpio/export; fi
echo out > /sys/class/gpio/gpio17/direction
echo out > /sys/class/gpio/gpio18/direction
echo 0 > /sys/class/gpio/gpio18/value
echo 0 > /sys/class/gpio/gpio17/value
sleep 1
echo 1 > /sys/class/gpio/gpio17/value
sleep 1
echo 1 > /sys/class/gpio/gpio18/value

avrdude -v -p atmega1284p -P /dev/ttyAMA0 -b 38400 -c avr109 -U flash:w:COC.radio_only.hex