diff options
author | tmk <nobody@nowhere> | 2010-10-14 17:36:00 +0900 |
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committer | tmk <nobody@nowhere> | 2010-10-15 11:09:57 +0900 |
commit | 54b5bafaacf0d7863b7bdb84dd69cbc80db77956 (patch) | |
tree | 38cf278aebedf9c35bf09c418d2b9d09bc611257 /matrix_hhkb.c | |
parent | 82637ded2737bfd80a2c1b85c0a9ae0b6fd33bd7 (diff) |
add directories for each keyboard: hhkb, macway
Diffstat (limited to 'matrix_hhkb.c')
-rw-r--r-- | matrix_hhkb.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/matrix_hhkb.c b/matrix_hhkb.c deleted file mode 100644 index d1c0003b4a..0000000000 --- a/matrix_hhkb.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * scan matrix - */ -#include <avr/io.h> -#include <util/delay.h> -#include "keymap.h" -#include "matrix.h" -#include "print.h" - -// matrix is active low. (key on: 0/key off: 1) -// -// HHKB has no ghost and no bounce. -// row: HC4051 select input channel(0-8) -// PB0, PB1, PB2(A, B, C) -// col: LS145 select low output line(0-8) -// PB3, PB4, PB5, PB6(A, B, C, D) -// use D as ENABLE: (enable: 0/unenable: 1) -// key: KEY: (on: 0/ off:1) -// UNKNOWN: unknown whether input or output -// PE6,PE7(KEY, UNKNOWN) -#define COL_ENABLE (1<<6) -#define KEY_SELELCT(ROW, COL) (PORTB = COL_ENABLE|(((COL)&0x07)<<3)|((ROW)&0x07)) -#define KEY_ENABLE (PORTB &= ~COL_ENABLE) -#define KEY_UNABLE (PORTB |= COL_ENABLE) -#define KEY_ON ((PINE&(1<<6)) ? false : true) - -// matrix state buffer -uint8_t *matrix; -uint8_t *matrix_prev; -static uint8_t _matrix0[MATRIX_ROWS]; -static uint8_t _matrix1[MATRIX_ROWS]; - - -// this must be called once before matrix_scan. -void matrix_init(void) -{ - // row & col output(PB0-6) - DDRB = 0xFF; - PORTB = KEY_SELELCT(0, 0); - // KEY & VALID input with pullup(PE6,7) - DDRE = 0x3F; - PORTE = 0xC0; - - // initialize matrix state: all keys off - for (int i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0xFF; - for (int i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0xFF; - matrix = _matrix0; - matrix_prev = _matrix1; -} - -uint8_t matrix_scan(void) -{ - uint8_t state; - uint8_t *tmp; - - tmp = matrix_prev; - matrix_prev = matrix; - matrix = tmp; - - for (int row = 0; row < MATRIX_ROWS; row++) { - for (int col = 0; col < MATRIX_COLS; col++) { -//print("scan: "); phex(row); phex(col); print("\n"); - KEY_SELELCT(row, col); - _delay_us(50); // from logic analyzer chart - KEY_ENABLE; - _delay_us(10); // from logic analyzer chart -//print("PINE: "); phex(PINE); print("\n"); - if (KEY_ON) { - matrix[row] &= ~(1<<col); - } else { - matrix[row] |= (1<<col); - } - KEY_UNABLE; - _delay_us(150); // from logic analyzer chart - } - } - return 1; -} - -bool matrix_is_modified(void) { - for (int i=0; i <MATRIX_ROWS; i++) { - if (matrix[i] != matrix_prev[i]) - return true; - } - return false; -} - -bool matrix_has_ghost(void) { - return false; -} - -bool matrix_has_ghost_in_row(uint8_t row) { - return false; -} |