/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
+Copyright 2011,2012,2013 Jun Wako <wakojun@gmail.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
extern "C" {
#endif
+/* key matrix position */
typedef struct {
uint8_t col;
uint8_t row;
-} keypos_t;
-
-typedef union {
- uint16_t raw;
- keypos_t pos;
} key_t;
+/* key event */
typedef struct {
key_t key;
bool pressed;
uint16_t time;
} keyevent_t;
-#define KEYEQ(keya, keyb) (keya.raw == keyb.raw)
-#define IS_NOEVENT(event) (event.time == 0)
-#define NOEVENT (keyevent_t) { \
- .key = (keypos_t){ .row = 255, .col = 255 }, \
- .pressed = false, \
- .time = 0, \
+/* equivalent test of key_t */
+#define KEYEQ(keya, keyb) ((keya).row == (keyb).row && (keya).col == (keyb).col)
+
+/* (time == 0) means no event and assumes matrix has no 255 line. */
+#define IS_NOEVENT(event) ((event).time == 0 || ((event).key.row == 255 && (event).key.col == 255))
+
+#define NOEVENT (keyevent_t){ \
+ .key = (key_t){ .row = 255, .col = 255 }, \
+ .pressed = false, \
+ .time = 0 \
}
+/* tick event */
+#define TICK (keyevent_t){ \
+ .key = (key_t){ .row = 255, .col = 255 }, \
+ .pressed = false, \
+ .time = (timer_read() | 1) \
+}
-extern uint8_t current_layer;
-extern uint8_t default_layer;
void keyboard_init(void);
void keyboard_task(void);