[Core] Speed up pimoroni trackball driver (#13823)

1 files changed, 16 insertions, 14 deletions

diff --git a/drivers/sensors/pimoroni_trackball.h b/drivers/sensors/pimoroni_trackball.h
index 9e3c64c19c..6b2a41425d 100644
--- a/drivers/sensors/pimoroni_trackball.h
+++ b/drivers/sensors/pimoroni_trackball.h
@@ -1,4 +1,5 @@
 /* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2021 Dasky (@daskygit)
  *
  * 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
@@ -13,23 +14,24 @@
  * 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"
 #include "pointing_device.h"
 
-#ifndef TRACKBALL_ADDRESS
-#    define TRACKBALL_ADDRESS 0x0A
-#endif
-#define TRACKBALL_WRITE ((TRACKBALL_ADDRESS << 1) | I2C_WRITE)
-#define TRACKBALL_READ (TRACKBALL_ADDRESS << 1)
-
-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);
+typedef struct pimoroni_data {
+    uint8_t left;
+    uint8_t right;
+    uint8_t up;
+    uint8_t down;
+    uint8_t click;
+} pimoroni_data;
 
-float trackball_get_precision(void);
-void  trackball_set_precision(float precision);
-bool  trackball_is_scrolling(void);
-void  trackball_set_scrolling(bool scroll);
+void    trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
+void    trackball_click(bool pressed, report_mouse_t* mouse);
+int16_t trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale);
+void    trackball_adapt_values(int8_t* mouse, int16_t* offset);
+float   trackball_get_precision(void);
+void    trackball_set_precision(float precision);
+bool    trackball_is_scrolling(void);
+void    trackball_set_scrolling(bool scroll);