Read two SmartMeters and send the values to a REST API.

99-lesekopf.rules

SUBSYSTEMS=="usb", ATTRS{idProduct}=="ea60", ATTRS{idVendor}=="10c4", ATTRS{serial}=="015AE1E8", SYMLINK+="ttyUSBlesekopf0", GROUP="dialout", MODE="0660", RUN+="/etc/openhab2/others/setupLesekopf0.sh"
SUBSYSTEMS=="usb", ATTRS{idProduct}=="ea60", ATTRS{idVendor}=="10c4", ATTRS{serial}=="015ADDC3", SYMLINK+="ttyUSBlesekopf1", GROUP="dialout", MODE="0660", RUN+="/etc/openhab2/others/setupLesekopf1.sh"

readSmartMeters.sh

#!/bin/bash
# This script is called cyclic via crontab and reads two SmartMeters.
# The values are then send to OpenHAB via REST API.
# Smart Meter 0: Logarex LK13BD202025 (Heating)
# Smart Meter 1: Logarex LK13BE803039 (Living)
# The commented stty calls are now inside separate scripts. 
# Those are called by the udev rule on plugging in or booting.
#set -x
cutValue() {
	value=$(echo $1 | cut -d'(' -f 2 | cut -d'*' -f 1)
	value=$(echo $value | sed 's/^0*//')
	if [ "$value" = ".0000" ]; then
		value="0.0"
	fi
}
postUpdate() {
	curl -X POST --header "Content-Type: text/plain" --header "Accept: application/json" \
		 -d "$2" "http://192.168.178.71:8080/rest/items/$1"
	echo $1 $2
}

readLesekopf0() {
	#stty -F /dev/ttyUSBlesekopf0 300 parenb -parodd cs7 -cstopb raw hupcl cread clocal\
	#-crtscts -ignbrk -brkint -ignpar -parmrk inpck -istrip -inlcr -igncr\
	#-icrnl -ixon -ixoff -iuclc -ixany -imaxbel -iutf8 -opost -olcuc -ocrnl\
	#onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab1 bs0 vt0 ff1 -isig -icanon\
	#iexten -echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke

	#sleep 1

	tmpfile=/tmp/ttyDump0.data

	# open Serial Port
	cat /dev/ttyUSBlesekopf0 >$tmpfile &
	PID=$!
	sleep 1
	/bin/echo -e "\x2f\x3f\x21\x0d" >/dev/ttyUSBlesekopf0 #Send WAKEUP
	sleep 2
	/bin/echo -e "\x06\x30\x30\x30\x0d" >/dev/ttyUSBlesekopf0 #Send DATA REQUEST
	sleep 11
	kill $PID
	# close Serial Port

	while read p; do
		#echo $p
		case "$p" in
		*"1.8.0"*)
			echo 'found 1.8.0'
			cutValue $p
			postUpdate "SmartMeter_Heizung_Bezug" $value
			;;
		*"1.8.1"*)
			echo 'found 1.8.1'
			cutValue $p
			postUpdate "SmartMeter_Heizung_HT" $value
			;;
		*"1.8.2"*)
			echo 'found 1.8.2'
			cutValue $p
			postUpdate "SmartMeter_Heizung_NT" $value
			;;
		*"2.8.0"*)
			echo 'found 2.8.0'
			cutValue $p
			postUpdate "SmartMeter_Heizung_Einspeisung" $value
			;;
		*) ;;

		esac
	done <$tmpfile
}

readLesekopf1() {
	#stty -F /dev/ttyUSBlesekopf1 1:0:8bd:0:3:1c:7f:15:4:5:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0 \
	#	 2>/dev/null
	#sleep 1

	tmpfile=/tmp/ttyDump1.data

	# open Serial Port
	cat /dev/ttyUSBlesekopf1 >$tmpfile &
	PID=$!
	sleep 1
	/bin/echo -e "\x2f\x3f\x21\x0d\x0a" >/dev/ttyUSBlesekopf1 #Send WAKEUP
	sleep 1
	/bin/echo -e "\x06\x30\x30\x30\x0d\x0a" >/dev/ttyUSBlesekopf1 #Send DATA REQUEST
	sleep 11
	kill $PID
	# close Serial Port

	while read p; do
		#echo $p
		case "$p" in
		*"1.8.0"*)
			echo 'found 1.8.0'
			cutValue $p
			postUpdate "SmartMeter_Haushalt_Bezug" $value
			#echo $value
			;;
		*"2.8.0"*)
			echo 'found 2.8.0'
			cutValue $p
			postUpdate "SmartMeter_Haushalt_Einspeisung" $value
			#echo $value
			break
			;;
		*) ;;

		esac
	done <$tmpfile
}

# call both readouts in parallel
readLesekopf0 &
readLesekopf1 &
# wait until both have returned
wait %1 %2

exit

setupLesekopf0.sh

#!/bin/bash
touch /tmp/ttyUSBlesekopf0
stty -F /dev/ttyUSBlesekopf0 300 parenb -parodd cs7 -cstopb raw hupcl cread clocal\
    -crtscts -ignbrk -brkint -ignpar -parmrk inpck -istrip -inlcr -igncr\
    -icrnl -ixon -ixoff -iuclc -ixany -imaxbel -iutf8 -opost -olcuc -ocrnl\
    onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab1 bs0 vt0 ff1 -isig -icanon\
    iexten -echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke

setupLesekopf1.sh

#!/bin/bash
touch /tmp/ttyUSBlesekopf1
stty -F /dev/ttyUSBlesekopf1 1:0:8bd:0:3:1c:7f:15:4:5:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0 \
    2>/dev/null
sleep 1