From 165f5e48296b066b101e4980ef6cdb7be5603016 Mon Sep 17 00:00:00 2001
From: Serge <5920850+seerge@users.noreply.github.com>
Date: Tue, 26 Dec 2023 12:43:23 +0100
Subject: [PATCH] Ambient mode fix for GA503
 https://github.com/seerge/g-helper/issues/1790

---
 app/USB/AsusHid.cs | 20 ++++++++++++++++----
 app/USB/Aura.cs    |  8 +++++++-
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/app/USB/AsusHid.cs b/app/USB/AsusHid.cs
index 62838bd5..fcd89da4 100644
--- a/app/USB/AsusHid.cs
+++ b/app/USB/AsusHid.cs
@@ -13,6 +13,7 @@ public static class AsusHid
     static int[] deviceIds = { 0x1a30, 0x1854, 0x1869, 0x1866, 0x19b6, 0x1822, 0x1837, 0x1854, 0x184a, 0x183d, 0x8502, 0x1807, 0x17e0, 0x18c6, 0x1abe };
 
     static HidStream? auraStream;
+    static int featureLength;
 
     public static IEnumerable<HidDevice>? FindDevices(byte reportId)
     {
@@ -94,7 +95,10 @@ public static class AsusHid
                 foreach (var data in dataList)
                     try
                     {
-                        stream.Write(data);
+                        var payload = new byte[device.GetMaxFeatureReportLength()];
+                        Array.Copy(data, payload, data.Length);
+                        stream.SetFeature(payload);
+                        //stream.Write(data);
                         Logger.WriteLine($"{log} {device.ProductID.ToString("X")}: {BitConverter.ToString(data)}");
                     }
                     catch (Exception ex)
@@ -107,12 +111,20 @@ public static class AsusHid
     public static void WriteAura(byte[] data)
     {
 
-        if (auraStream == null) auraStream = FindHidStream(AURA_ID);
-        if (auraStream == null) return;
+        if (auraStream == null)
+        {
+            auraStream = FindHidStream(AURA_ID);
+            if (auraStream == null) return;
+
+            featureLength = auraStream.Device.GetMaxFeatureReportLength();
+        }
 
         try
         {
-            auraStream.Write(data);
+            var payload = new byte[featureLength];
+            Array.Copy(data, payload, data.Length);
+            auraStream.SetFeature(payload);
+            //auraStream.Write(data);
         }
         catch (Exception ex)
         {
diff --git a/app/USB/Aura.cs b/app/USB/Aura.cs
index 7c2d1509..296a13dd 100644
--- a/app/USB/Aura.cs
+++ b/app/USB/Aura.cs
@@ -254,7 +254,7 @@ namespace GHelper.USB
                 new byte[] { AsusHid.AURA_ID, 0x05, 0x20, 0x31, 0, 0x1a },
                 //Encoding.ASCII.GetBytes("^ASUS Tech.Inc."),
                 //new byte[] { 0x5e, 0x05, 0x20, 0x31, 0, 0x1a }
-            });
+            }, "Init");
         }
 
 
@@ -535,6 +535,12 @@ namespace GHelper.USB
                 return;
             }
 
+            if (AppConfig.ContainsModel("GA503"))
+            {
+                AsusHid.Write(new List<byte[]> { AuraMessage(AuraMode.AuraStatic, color, color, 0xeb, isSingleColor), MESSAGE_SET });
+                return;
+            }
+
             if (init)
             {
                 Init();