#!/bin/sh

# This is the script calling the metering program for various electricity
# metering units. The return value is saved into a log file for each metering
# unit, together with a date/time stamp. This script gets regularly called
# as a cron job.

# define logging root
# lg=/home/chris/BTUmetering
lg=MAINPROGROOT

# serial device
serdev=$(readlink -e /dev/serial/by-id/*EMETERSERIALDEVICE*)

# serial number list of Landis&GYR measurement units.
adrlist=("94529486" "94529485" "94529479" "94529480" "94529484" "94529481" "94529482" "94529487" "94529483" "94529488" "99828529" "99828528" "38751745" "40183481" "38751742")

loglist=("EAHU2" "EAHU1" "MDB1" "MDB6E" "MDB7E" "MDB2" "MDB3" "EAHU3" "MDB4" "EAHU4" "MDB6" "EAHU6" "MDB3-S14" "E-MDB3-S14" "EAHU3-S14")

# go through the list
for (( i=0 ; $i<${#adrlist[*]} ; i++))
do
    adr=${adrlist[$i]}
    logfile=$lg/log/emeter_$adr.log
    
# generate time and response from water meter
# response is kWh, V1, V2, V3, I1, I2 I3, +kVAhr, -kVAhr
    tm=$(date +"%D %T")
    $lg/e_meter/getresponse_emeter -t 5000 -d $serdev "/?$adr!" \
    | awk -f $lg/e_meter/getpower.awk  >$lg/etmp
    retval=$?
    rb=$(cat $lg/etmp)
# See if something silly happened; in that case, uncomment that line
    if [[ $retval -ne 0 ]] ; then
	echo "# $tm $rb" >>$logfile
    else
	echo $tm $rb >>$logfile
    fi
done