X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=keyboard%2Fhhkb%2Fmatrix.c;h=08721fc505943d331406015d27fb81c51fe01549;hb=12e5a3a13eb86852ad58c131e28ba29c5f09bb2d;hp=350066b9040ece0a3f89c678f3d15f50575d0b04;hpb=62d1ebb91c7b381ce3d88aad9ee0b03bea9fce26;p=max%2Ftmk_keyboard.git
diff --git a/keyboard/hhkb/matrix.c b/keyboard/hhkb/matrix.c
index 350066b9..08721fc5 100644
--- a/keyboard/hhkb/matrix.c
+++ b/keyboard/hhkb/matrix.c
@@ -20,129 +20,36 @@ along with this program. If not, see .
*/
#include
#include
-#include
-#include
#include
#include "print.h"
+#include "debug.h"
#include "util.h"
#include "timer.h"
#include "matrix.h"
+#include "hhkb_avr.h"
+#include
+#include "suspend.h"
+#include "lufa.h"
-// Timer resolution check
-#if (1000000/TIMER_RAW_FREQ > 20)
-# error "Timer resolution(>20us) is not enough for HHKB matrix scan tweak on V-USB."
-#endif
-
-#if (MATRIX_COLS > 16)
-# error "MATRIX_COLS must not exceed 16"
-#endif
-#if (MATRIX_ROWS > 255)
-# error "MATRIX_ROWS must not exceed 255"
-#endif
-
+// matrix power saving
+#define MATRIX_POWER_SAVE 10000
+static uint32_t matrix_last_modified = 0;
// 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
-
-
-// Matrix I/O ports
-//
-// row: HC4051[A,B,C] selects scan row0-7
-// col: LS145[A,B,C,D] selects scan col0-7 and enable(D)
-// key: on: 0/off: 1
-// prev: unknown: output previous key state(negated)?
-
-#ifdef HOST_PJRC
-// Ports for Teensy
-// row: PB0-2
-// col: PB3-5,6
-// key: PE6(pull-uped)
-// prev: PE7
-#define KEY_INIT() do { \
- DDRB |= 0x7F; \
- DDRE |= (1<<7); \
- DDRE &= ~(1<<6); \
- PORTE |= (1<<6); \
-} while (0)
-#define KEY_SELECT(ROW, COL) (PORTB = (PORTB & 0xC0) | \
- (((COL) & 0x07)<<3) | \
- ((ROW) & 0x07))
-#define KEY_ENABLE() (PORTB &= ~(1<<6))
-#define KEY_UNABLE() (PORTB |= (1<<6))
-#define KEY_STATE() (PINE & (1<<6))
-#define KEY_PREV_ON() (PORTE |= (1<<7))
-#define KEY_PREV_OFF() (PORTE &= ~(1<<7))
-#define KEY_POWER_ON()
-#define KEY_POWER_OFF()
-#else
-// Ports for V-USB
-// key: PB0(pull-uped)
-// prev: PB1
-// row: PB2-4
-// col: PC0-2,3
-// power: PB5(Low:on/Hi-z:off)
-#define KEY_INIT() do { \
- DDRB |= 0x3E; \
- DDRB &= ~(1<<0); \
- PORTB |= 1<<0; \
- DDRC |= 0x0F; \
- KEY_UNABLE(); \
- KEY_PREV_OFF(); \
-} while (0)
-#define KEY_SELECT(ROW, COL) do { \
- PORTB = (PORTB & 0xE3) | ((ROW) & 0x07)<<2; \
- PORTC = (PORTC & 0xF8) | ((COL) & 0x07); \
-} while (0)
-#define KEY_ENABLE() (PORTC &= ~(1<<3))
-#define KEY_UNABLE() (PORTC |= (1<<3))
-#define KEY_STATE() (PINB & (1<<0))
-#define KEY_PREV_ON() (PORTB |= (1<<1))
-#define KEY_PREV_OFF() (PORTB &= ~(1<<1))
-// Power supply switching
-#define KEY_POWER_ON() do { \
- KEY_INIT(); \
- PORTB &= ~(1<<5); \
- _delay_us(200); \
-} while (0)
-#define KEY_POWER_OFF() do { \
- DDRB &= ~0x3F; \
- PORTB &= ~0x3F; \
- DDRC &= ~0x0F; \
- PORTC &= ~0x0F; \
-} while (0)
-#endif
-
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
+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];
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
void matrix_init(void)
{
+#ifdef DEBUG
+ debug_enable = true;
+ debug_keyboard = true;
+#endif
+
KEY_INIT();
// initialize matrix state: all keys off
@@ -160,17 +67,18 @@ uint8_t matrix_scan(void)
matrix_prev = matrix;
matrix = tmp;
- KEY_POWER_ON();
+ // power on
+ if (!KEY_POWER_STATE()) KEY_POWER_ON();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
KEY_SELECT(row, col);
- _delay_us(40);
+ _delay_us(5);
// Not sure this is needed. This just emulates HHKB controller's behaviour.
if (matrix_prev[row] & (1< 20/(1000000/TIMER_RAW_FREQ)) {
matrix[row] = matrix_prev[row];
}
+ _delay_us(5);
KEY_PREV_OFF();
KEY_UNABLE();
+
// NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
// This takes 25us or more to make sure KEY_STATE returns to idle state.
- _delay_us(150);
+#ifdef HHKB_JP
+ // Looks like JP needs faster scan due to its twice larger matrix
+ // or it can drop keys in fast key typing
+ _delay_us(30);
+#else
+ _delay_us(75);
+#endif
}
+ if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
}
- KEY_POWER_OFF();
- return 1;
-}
-
-bool matrix_is_modified(void)
-{
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- if (matrix[i] != matrix_prev[i])
- return true;
- }
- return false;
-}
-
-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;
+ // power off
+ if (KEY_POWER_STATE() &&
+ (USB_DeviceState == DEVICE_STATE_Suspended ||
+ USB_DeviceState == DEVICE_STATE_Unattached ) &&
+ timer_elapsed32(matrix_last_modified) > MATRIX_POWER_SAVE) {
+ KEY_POWER_OFF();
+ suspend_power_down();
}
-#endif
- return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<