From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Tue, 2 Jul 2019 14:18:57 +0000 (+0200)
Subject: script to control relays driven as leds from device tree
X-Git-Url: http://git.rot13.org/?p=b3603-psu;a=commitdiff_plain

script to control relays driven as leds from device tree
---

diff --git a/relay.sh b/relay.sh
new file mode 100755
index 0000000..1ab37cf
--- /dev/null
+++ b/relay.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+relay=$1
+state=$2
+
+current=$( cat /sys/class/leds/relay$relay/brightness )
+new=0
+if [ "$current" -eq "0" ] ; then
+	new=255
+else
+	new=0
+fi
+
+echo $new > /sys/class/leds/relay$relay/brightness
+
+grep . /sys/class/leds/relay*/brightness