diff options
Diffstat (limited to 'keyboard/hhkb/matrix.c')
| -rw-r--r-- | keyboard/hhkb/matrix.c | 133 |
1 files changed, 6 insertions, 127 deletions
diff --git a/keyboard/hhkb/matrix.c b/keyboard/hhkb/matrix.c index d0731ef1f8..b0af4baa52 100644 --- a/keyboard/hhkb/matrix.c +++ b/keyboard/hhkb/matrix.c @@ -20,20 +20,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdint.h> #include <stdbool.h> -#include <avr/io.h> -#include <avr/interrupt.h> #include <util/delay.h> #include "print.h" #include "debug.h" #include "util.h" #include "timer.h" #include "matrix.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 +#include "hhkb_avr.h" // matrix state buffer(1:on, 0:off) @@ -43,122 +36,6 @@ static matrix_row_t _matrix0[MATRIX_ROWS]; static matrix_row_t _matrix1[MATRIX_ROWS]; -// 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)? - -#if defined(__AVR_AT90USB1286__) -// 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() - -#elif defined(__AVR_ATmega32U4__) -// Ports for my designed Alt Controller PCB -// row: PB0-2 -// col: PB3-5,6 -// key: PD7(pull-uped) -// prev: PB7 -// power: PD4(L:off/H:on) -#define KEY_INIT() do { \ - DDRB = 0xFF; \ - PORTB = 0x00; \ - DDRD &= ~0x80; \ - PORTD |= 0x80; \ - /* keyswitch board power on */ \ - DDRD |= (1<<4); \ - PORTD |= (1<<4); \ - KEY_UNABLE(); \ - KEY_PREV_OFF(); \ -} 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() (PIND & (1<<7)) -#define KEY_PREV_ON() (PORTB |= (1<<7)) -#define KEY_PREV_OFF() (PORTB &= ~(1<<7)) -#define KEY_POWER_ON() -#define KEY_POWER_OFF() -/* -#define KEY_POWER_ON() do { \ - KEY_INIT(); \ - PORTD |= (1<<4); \ - _delay_ms(1); \ -} while (0) -#define KEY_POWER_OFF() do { \ - PORTD &= ~(1<<4); \ - DDRB &= ~0xFF; \ - PORTB &= ~0xFF; \ - DDRB &= ~0x80; \ - PORTB &= ~0x80; \ -} while (0) -*/ - - -#elif defined(__AVR_ATmega328P__) -// 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_ms(1); \ -} while (0) -#define KEY_POWER_OFF() do { \ - DDRB &= ~0x3F; \ - PORTB &= ~0x3F; \ - DDRC &= ~0x0F; \ - PORTC &= ~0x0F; \ -} while (0) - -#else -# error "define code for matrix scan" -#endif - - inline uint8_t matrix_rows(void) { @@ -199,13 +76,13 @@ uint8_t matrix_scan(void) 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<<col)) { KEY_PREV_ON(); } - _delay_us(7); + _delay_us(10); // NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE. // If V-USB interrupts in this section we could lose 40us or so @@ -241,11 +118,13 @@ uint8_t matrix_scan(void) 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); + _delay_us(75); } } KEY_POWER_OFF(); |