#!/bin/bash


# (1) Primary init.
#--------------------------------------------------------#
# (1) Get absolute folder #
ROOT=$(dirname `realpath $0`);
ROOT=`dirname $ROOT`;

# (2) Check lock file #
test ! -f $ROOT/.lock && echo "Daemon not started" && exit 1;



# (2) While viewing loop
#--------------------------------------------------------#
# (1) Initialise vars #
BUFFER="";
LED="0"; Rx=(0 0 0); # led; relays
SYSTD_TREE="";       # service_log


while sleep 2; clear; do

	# (1) Read buffer into local one (but without flushing buffers) #
	BUFFER="$BUFFER`$ROOT/com/read ioemu -`";

	# (2) Parse each line #
	line_id=0;

	while IFS= read -r line; do

		# check if line is about GSTA
		if [ "${line:0:4}" = "GSTA" ]; then
			test "${line:4:1}" != "x" && LED="${line:4:1}";   # if set to 'x', ignore
			test "${line:5:1}" != "x" && Rx[1]="${line:5:1}"; # if set to 'x', ignore
			test "${line:6:1}" != "x" && Rx[2]="${line:6:1}"; # if set to 'x', ignore
			test "${line:7:1}" != "x" && Rx[3]="${line:7:1}"; # if set to 'x', ignore

			BUFFER=""; # empty buffer
			break;
		fi;

		# increment line count
		line_id=`expr $line_id + 1`;

	done <<< "$BUFFER";


	# (3) Display led #
	echo -n "LED: "; $ROOT/src/disp-led $LED;

	# (4) Display relays #
	echo -n "R1:  "; $ROOT/src/disp-relay ${Rx[1]};
	echo -n "R2:  "; $ROOT/src/disp-relay ${Rx[2]};
	echo -n "R3:  "; $ROOT/src/disp-relay ${Rx[3]};

done;