From 1429167abcace11d0f88f1a1c60d38f54e1ed2e8 Mon Sep 17 00:00:00 2001
From: cuu <gnubsd@me.com>
Date: Fri, 17 Dec 2021 11:26:50 +0800
Subject: [PATCH] add wheel scroll of trackball

---
 Code/devterm_keyboard/trackball.ino | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Code/devterm_keyboard/trackball.ino b/Code/devterm_keyboard/trackball.ino
index f947040..2288f18 100644
--- a/Code/devterm_keyboard/trackball.ino
+++ b/Code/devterm_keyboard/trackball.ino
@@ -91,7 +91,9 @@ void trackball_task(DEVTERM*dv) {
   distances[AXIS_Y] = 0;
   interrupts();
 
-  dv->Mouse->move(x, y, -w);
+  if(x !=0 || y != 0 || -w!=0) {
+    dv->Mouse->move(x, y, -w);
+  }
  
 }