From ec832af9442a9a76003d79d643f35ac38d2e0f9a Mon Sep 17 00:00:00 2001
From: jayfan0 <>
Date: Sun, 2 Apr 2023 21:57:35 +0100
Subject: [PATCH] add light command

---
 general/overlay/usr/sbin/light | 90 ++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 general/overlay/usr/sbin/light

diff --git a/general/overlay/usr/sbin/light b/general/overlay/usr/sbin/light
new file mode 100644
index 00000000..fabc29f2
--- /dev/null
+++ b/general/overlay/usr/sbin/light
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+GPIO_RED=78
+GPIO_GREEN=75
+GPIO_BLUE=
+
+help() {
+    echo -e "\n================= LIGHT usage =================\n"
+    echo -e "Set the colour of the status light\n"
+    echo -e "light <red|green|blue|yellow|magenta|cyan|white>\n"
+}
+
+setRed() {
+    if [ -n "$GPIO_RED" ]; then
+        [ $1 -eq 1 ] && gpio set "$GPIO_RED"
+        [ $1 -eq 0 ] && gpio clear "$GPIO_RED"
+    else
+        echo "Red GPIO undefined"
+    fi
+}
+
+setGreen() {
+    if [ -n "$GPIO_GREEN" ]; then
+        [ $1 -eq 1 ] && gpio set "$GPIO_GREEN"
+        [ $1 -eq 0 ] && gpio clear "$GPIO_GREEN"
+    else
+        echo "Green GPIO undefined"
+    fi
+}
+
+setBlue() {
+    if [ -n "$GPIO_BLUE" ]; then
+        [ $1 -eq 1 ] && gpio set "$GPIO_BLUE"
+        [ $1 -eq 0 ] && gpio clear "$GPIO_BLUE"
+    else
+        echo "Blue GPIO undefined"
+    fi
+}
+
+if [ -n $1 ]; then
+        case $1 in
+            red)
+                setRed 1
+                setGreen 0
+                setBlue 0
+                ;;
+
+            green)
+                setRed 0
+                setGreen 1
+                setBlue 0
+                ;;
+
+            blue)
+                setRed 0
+                setGreen 0
+                setBlue 1
+                ;;
+
+            yellow)
+                setRed 1
+                setGreen 1
+                setBlue 0
+                ;;
+
+            magenta|purple)
+                setRed 1
+                setGreen 0
+                setBlue 1
+                ;;
+
+            cyan)
+                setRed 0
+                setGreen 1
+                setBlue 1
+                ;;
+
+            white)
+                setRed 1
+                setGreen 1
+                setBlue 1
+                ;;
+
+            *)  
+                help
+                ;;
+        esac
+else
+    help
+fi