Add PS/2 mouse support to connect TrackPoint Unit.

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

hhkb/config.h

@@ -0,0 +1,40 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0xCAFE
+#define MANUFACTURER    t.m.k.
+#define PRODUCT         HHKB mod
+#define DESCRIPTION     t.m.k. keyboard firmware for HHKB mod
+
+/* controller */
+#include "controller_teensy.h"
+
+/* matrix size */
+#define MATRIX_ROWS 8
+#define MATRIX_COLS 8
+
+/* USB NKey Rollover */
+#ifdef USB_NKRO_ENABLE
+#endif
+
+/* mouse keys */
+#ifdef MOUSEKEY_ENABLE
+#   define MOUSEKEY_DELAY_TIME 192
+#endif
+
+/* PS/2 mouse */
+#ifdef PS2_MOUSE_ENABLE
+/*
+#   define PS2_CLOCK_PORT  PORTF
+#   define PS2_CLOCK_PIN   PINF
+#   define PS2_CLOCK_DDR   DDRF
+#   define PS2_CLOCK_BIT   0
+#   define PS2_DATA_PORT   PORTF
+#   define PS2_DATA_PIN    PINF
+#   define PS2_DATA_DDR    DDRF
+#   define PS2_DATA_BIT    1
+*/
+#endif
+
+#endif