1 files changed, 17 insertions, 0 deletions

diff --git a/users/drashna/pimoroni_trackball.h b/users/drashna/pimoroni_trackball.h
index 7e8a7cc81..83d248d3f 100644
--- a/users/drashna/pimoroni_trackball.h
+++ b/users/drashna/pimoroni_trackball.h
@@ -1,3 +1,19 @@
+/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #include "quantum.h"
@@ -11,6 +27,7 @@
 
 void trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
 void trackball_check_click(bool pressed, report_mouse_t *mouse);
+void trackball_register_button(bool pressed, enum mouse_buttons button);
 
 float trackball_get_precision(void);
 void    trackball_set_precision(float precision);