Fake DS4 FrameCounter field for Switch Pro and JoyCon devices

Dylmay · Aug 9, 2021 · 98961f8 · 98961f8
1 parent 7641d11
commit 98961f8
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 0 deletions.
diff --git a/DS4Windows/DS4Library/InputDevices/JoyConDevice.cs b/DS4Windows/DS4Library/InputDevices/JoyConDevice.cs
@@ -478,6 +478,8 @@ protected unsafe void ReadInput()
 
                     utcNow = DateTime.UtcNow; // timestamp with UTC in case system time zone changes
                     cState.PacketCounter = pState.PacketCounter + 1;
+                    // DS4 Frame Counter range is [0-127]
+                    cState.FrameCounter = (byte)(cState.PacketCounter % 128);
                     cState.ReportTimeStamp = utcNow;
 
                     cState.elapsedTime = combLatency;

diff --git a/DS4Windows/DS4Library/InputDevices/SwitchProDevice.cs b/DS4Windows/DS4Library/InputDevices/SwitchProDevice.cs
@@ -434,6 +434,8 @@ protected unsafe void ReadInput()
 
                     utcNow = DateTime.UtcNow; // timestamp with UTC in case system time zone changes
                     cState.PacketCounter = pState.PacketCounter + 1;
+                    // DS4 Frame Counter range is [0-127]
+                    cState.FrameCounter = (byte)(cState.PacketCounter % 128);
                     cState.ReportTimeStamp = utcNow;
 
                     cState.elapsedTime = combLatency;