Sample dimmer for universe 0, channel 0

dmx/dim.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Defaults
+DELAY=0
+INTERVAL=4
+MIN=0
+MAX=255
+
+# Allow ctrl-c to exit even when we're in setChannels.py
+end() {
+	EXIT=1
+}
+trap end SIGINT
+
+# Bounce back and forth
+UP=1
+i=$MIN
+EXIT=0
+while [ $EXIT -lt 1 ]; do
+	if [ $UP -gt 0 ]; then
+		i=$(( $i + $INTERVAL ))
+		if [ $i -ge $MAX ]; then
+			UP=0
+			i=$MAX
+		fi
+	else
+		i=$(( $i - $INTERVAL ))
+		if [ $i -le $MIN ]; then
+			UP=1
+			i=$MIN
+		fi
+	fi
+	./setChannels.py $i
+	if [ $DELAY ]; then
+		sleep $DELAY
+	fi
+done