#include <avr/interrupt.h>
#include <util/delay.h>
#include "print.h"
+#include "debug.h"
#include "util.h"
#include "timer.h"
#include "matrix.h"
// matrix state buffer(1:on, 0:off)
-#if (MATRIX_COLS <= 8)
-static uint8_t *matrix;
-static uint8_t *matrix_prev;
-static uint8_t _matrix0[MATRIX_ROWS];
-static uint8_t _matrix1[MATRIX_ROWS];
-#else
-static uint16_t *matrix;
-static uint16_t *matrix_prev;
-static uint16_t _matrix0[MATRIX_ROWS];
-static uint16_t _matrix1[MATRIX_ROWS];
-#endif
-
-// HHKB has no ghost and no bounce.
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
+static matrix_row_t *matrix;
+static matrix_row_t *matrix_prev;
+static matrix_row_t _matrix0[MATRIX_ROWS];
+static matrix_row_t _matrix1[MATRIX_ROWS];
// Matrix I/O ports
// key: on: 0/off: 1
// prev: unknown: output previous key state(negated)?
-#ifdef HOST_PJRC
-// Ports for Teensy
+#if defined(__AVR_AT90USB1286__)
+// Ports for Teensy++
// row: PB0-2
// col: PB3-5,6
// key: PE6(pull-uped)
#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
#define KEY_POWER_ON()
#define KEY_POWER_OFF()
-#else
+
+#elif defined(__AVR_ATmega328P__)
// Ports for V-USB
// key: PB0(pull-uped)
// prev: PB1
#define KEY_POWER_ON() do { \
KEY_INIT(); \
PORTB &= ~(1<<5); \
- _delay_us(200); \
+ _delay_ms(1); \
} while (0)
#define KEY_POWER_OFF() do { \
DDRB &= ~0x3F; \
DDRC &= ~0x0F; \
PORTC &= ~0x0F; \
} while (0)
+
+#else
+# error "define code for matrix scan"
#endif
void matrix_init(void)
{
+#ifdef DEBUG
+ print_enable = true;
+ debug_enable = true;
+ debug_keyboard = true;
+#endif
+
KEY_INIT();
// initialize matrix state: all keys off
}
// Ignore if this code region execution time elapses more than 20us.
+ // MEMO: 20[us] * (TIMER_RAW_FREQ / 1000000)[count per us]
+ // MEMO: then change above using this rule: a/(b/c) = a*1/(b/c) = a*(c/b)
if (TIMER_DIFF_RAW(TIMER_RAW, last) > 20/(1000000/TIMER_RAW_FREQ)) {
matrix[row] = matrix_prev[row];
}
inline
bool matrix_has_ghost(void)
{
-#ifdef MATRIX_HAS_GHOST
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- if (matrix_has_ghost_in_row(i))
- return true;
- }
-#endif
return false;
}
pbin_reverse(matrix_get_row(row));
#else
pbin_reverse16(matrix_get_row(row));
-#endif
-#ifdef MATRIX_HAS_GHOST
- if (matrix_has_ghost_in_row(row)) {
- print(" <ghost");
- }
#endif
print("\n");
}
}
return count;
}
-
-#ifdef MATRIX_HAS_GHOST
-inline
-static bool matrix_has_ghost_in_row(uint8_t row)
-{
- // no ghost exists in case less than 2 keys on
- if (((matrix[row] - 1) & matrix[row]) == 0)
- return false;
-
- // ghost exists in case same state as other row
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- if (i != row && (matrix[i] & matrix[row]) == matrix[row])
- return true;
- }
- return false;
-}
-#endif