reform

commit e272f0c18e2e17568174dcea4f64bebad0e66b2f
parent cf182cbadcd939354ad38e5b61f3fdb32b56a5d9
Author: Valtteri Koskivuori <vkoskiv@gmail.com>
Date:   Tue, 17 Oct 2023 00:45:08 +0300

trackpad-fw: Greatly improve cursor & scroll responsiveness

Removing the averaging makes the cursor and scrolling motion feel much
more precise and responsive. There is no longer a 'latency' to it.

Diffstat:
M
reform2-trackpad-fw/Mouse.c
 | 
19
++++---------------

1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/reform2-trackpad-fw/Mouse.c b/reform2-trackpad-fw/Mouse.c
@@ -130,10 +130,6 @@ void EVENT_USB_Device_StartOfFrame(void)
   HID_Device_MillisecondElapsed(&Mouse_HID_Interface);
 }
 
-float dx2 = 0, dy2 = 0;
-float dx3 = 0, dy3 = 0;
-float dx4 = 0, dy4 = 0;
-float dxx = 0, dyy = 0;
 float dx = 0, dy = 0;
 int16_t lastx = 0, lasty = 0;
 int16_t lastx2 = 0, lasty2 = 0;
@@ -247,17 +243,14 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn
         dy = (float)sensor.relative_y;
       }
 
-      dxx = (dx+dx2+dx3+dx4)/4.0;
-      dyy = (dy+dy2+dy3+dy4)/4.0;
-
       if (wheeling) {
         // horizontal and vertical scrolling
-        MouseReport->Pan = dxx;
-        MouseReport->Wheel = -dyy;
+        MouseReport->Pan = dx;
+        MouseReport->Wheel = -dy;
       } else {
         // normal movement
-        MouseReport->X = dxx;
-        MouseReport->Y = dyy;
+        MouseReport->X = dx;
+        MouseReport->Y = dy;
       }
     }
 
@@ -283,10 +276,6 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn
     dy = 0;
   }
 
-  dx4 = dx3; dy4 = dy3;
-  dx3 = dx2; dy3 = dy2;
-  dx2 = dx;  dy2 = dy;
-
   last_num_fingers = sensor.num_fingers;
 
   *ReportSize = sizeof(USB_WheelMouseReport_Data_t);