Add PS/2 mouse support to connect TrackPoint Unit.

Change build options:  Makefile and config.h. See README.

1 files changed, 26 insertions, 0 deletions

diff --git a/ps2_mouse.h b/ps2_mouse.h
new file mode 100644
index 0000000000..f590f3ad5d
--- /dev/null
+++ b/ps2_mouse.h
@@ -0,0 +1,26 @@
+#ifndef PS2_MOUSE_H
+#define  PS2_MOUSE_H
+
+#include <stdbool.h>
+
+#define PS2_MOUSE_BTN_MASK      0x07
+#define PS2_MOUSE_BTN_LEFT      0
+#define PS2_MOUSE_BTN_RIGHT     1
+#define PS2_MOUSE_BTN_MIDDLE    2
+#define PS2_MOUSE_X_SIGN        4
+#define PS2_MOUSE_Y_SIGN        5
+#define PS2_MOUSE_X_OVFLW       6
+#define PS2_MOUSE_Y_OVFLW       7
+
+extern uint8_t ps2_mouse_x;
+extern uint8_t ps2_mouse_y;
+extern uint8_t ps2_mouse_btn;
+extern uint8_t ps2_mouse_error_count;
+
+void ps2_mouse_init(void);
+void ps2_mouse_read(void);
+bool ps2_mouse_changed(void);
+void ps2_mouse_usb_send(void);
+void ps2_mouse_print(void);
+
+#endif