mouse joystick min delta

lib/touch_controls/include/touch_mouse_joystick.h

@@ -16,6 +16,8 @@ class TouchMouseJoystick : public TouchJoystick
     float dx;
     float dy;
 
+    int16_t min_delta;
+
     float time0;
 
     public:
@@ -26,6 +28,8 @@ class TouchMouseJoystick : public TouchJoystick
 
     void setTrackballFriction(float trackball_friction);
 
+    void setMinDelta(int16_t min_delta);
+
     TouchState touch(int8_t fid, int32_t tx, int32_t ty, int32_t tdx, int32_t tdy, uint32_t time);
 
     void updateTrackball(uint32_t time);

lib/touch_controls/src/touch_mouse_joystick.cpp

@@ -14,6 +14,8 @@ void TouchMouseJoystick::init(int32_t pos_x, int32_t pos_y, int32_t pos_r, int16
     this->trackball_vel_x = 0;
     this->trackball_vel_y = 0;
 
+    this->min_delta = 0;
+
     this->time0 = 0;
 }
 
@@ -27,6 +29,11 @@ void TouchMouseJoystick::setTrackballFriction(float trackball_friction)
     this->trackball_friction = trackball_friction;
 }
 
+void TouchMouseJoystick::setMinDelta(int16_t min_delta)
+{
+    this->min_delta = min_delta;
+}
+
 TouchMouseJoystick::TouchState TouchMouseJoystick::touch(int8_t fid, int32_t tx, int32_t ty, int32_t tdx, int32_t tdy, uint32_t time)
 {
     if (finger_id != -1 && finger_id != fid)
@@ -64,6 +71,9 @@ TouchMouseJoystick::TouchState TouchMouseJoystick::touch(int8_t fid, int32_t tx,
             dx = dx > usb_r? usb_r : (dx < -usb_r? -usb_r : dx);
             dy = dy > usb_r? usb_r : (dy < -usb_r? -usb_r : dy);
 
+            dx = dx > -min_delta && dx < 0? -min_delta : (dx < min_delta && dx > 0? min_delta : dx);
+            dy = dy > -min_delta && dy < 0? -min_delta : (dy < min_delta && dy > 0? min_delta : dy);
+
             float dt = time - time0;
             time0 = time;
 

src/input_mapper.cpp

@@ -120,6 +120,7 @@ namespace InputMapper
         //tjoystick_right.setTrackballFriction(0);
         tjoystick_right.setDeadZoneOuter(dead_zone_outer);
         tjoystick_right.setSensitivity(10);
+        tjoystick_right.setMinDelta(1000);
         tjoystick_right.setMappedId(1);
 
         pos_x = 20.636 * ppmX;