A script to change the brightness of the desktop monitor

stable/ChangeDesktopDisplayBrightness.ps1

@@ -0,0 +1,28 @@
+# WARN Requires hardware the supports DDC/CI (the ability to change display brightness in Windows)
+
+param (
+    [Parameter(Mandatory=$true)][int]$daySegment2,  # 0 = Day, 1 = Night
+    [Parameter(Mandatory=$true)][int]$daySegment4,  # -1 = N/A, 0 = Sunrise, 1 = Day, 2 = Sunset, 3 = Night
+    [Parameter(Mandatory=$true)][bool]$nightMode,   # True if night mode is enabled
+    [Parameter(Mandatory=$false)][string]$imagePath # Path to current wallpaper image
+)
+
+# Edit these values to be a valid screen brightness percent between 0 and 100
+$sunriseBrightness = 40
+$dayBrightness = 50
+$sunsetBrightness = 30
+$nightBrightness = 20
+
+if ( $daySegment4 -eq -1 ) {
+    $daySegment4 = $daySegment2 * 2 + 1
+}
+
+$brightnessPercent = switch ( $daySegment4 )
+{
+    0 { $sunriseBrightness }
+    1 { $dayBrightness }
+    2 { $sunsetBrightness }
+    3 { $nightBrightness }
+}
+
+.\ddccli.exe -b $brightnessPercent