Add a qwerty layer

[max/tmk_keyboard.git] / hhkb / matrix.c

diff --git a/hhkb/matrix.c b/hhkb/matrix.c
deleted file mode 100644 (file)
index 15633d5..0000000
--- a/hhkb/matrix.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "util.h"
-#include "matrix_skel.h"
-
-
-#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 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
-
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-
-
-// 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)
-//      KEY_PREV: (on: 1/ off: 0)
-//      PE6,PE7(KEY, KEY_PREV)
-#define COL_ENABLE              (1<<6)
-#define KEY_SELELCT(ROW, COL)   (PORTB = (PORTB&(1<<7))|COL_ENABLE|(((COL)&0x07)<<3)|((ROW)&0x07))
-#define KEY_ENABLE              (PORTB &= ~COL_ENABLE)
-#define KEY_UNABLE              (PORTB |=  COL_ENABLE)
-#define KEY_STATE               (PINE&(1<<6))
-#define KEY_PREV_ON             (PORTE |= (1<<7))
-#define KEY_PREV_OFF            (PORTE &= ~(1<<7))
-
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    // row & col output(PB0-6)
-    DDRB = 0xFF;
-    KEY_SELELCT(0, 0);
-    // KEY: input with pullup(PE6)
-    // KEY_PREV: output(PE7)
-    DDRE = 0xBF;
-    PORTE = 0x40;
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
-    matrix = _matrix0;
-    matrix_prev = _matrix1;
-}
-
-uint8_t matrix_scan(void)
-{
-    uint8_t *tmp;
-
-    tmp = matrix_prev;
-    matrix_prev = matrix;
-    matrix = tmp;
-
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-        for (uint8_t col = 0; col < MATRIX_COLS; col++) {
-            KEY_SELELCT(row, col);
-            _delay_us(40);  // from logic analyzer chart
-            if (matrix_prev[row] & (1<<col)) {
-                KEY_PREV_ON;
-            }
-            _delay_us(7);  // from logic analyzer chart
-            KEY_ENABLE;
-            _delay_us(10);  // from logic analyzer chart
-            if (KEY_STATE) {
-                matrix[row] &= ~(1<<col);
-            } else {
-                matrix[row] |= (1<<col);
-            }
-            KEY_PREV_OFF;
-            KEY_UNABLE;
-            _delay_us(150);  // from logic analyzer chart
-        }
-    }
-    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;
-    }
-#endif
-    return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & (1<<col));
-}
-
-inline
-#if (MATRIX_COLS <= 8)
-uint8_t matrix_get_row(uint8_t row)
-#else
-uint16_t matrix_get_row(uint8_t row)
-#endif
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-#if (MATRIX_COLS <= 8)
-    print("\nr/c 01234567\n");
-#else
-    print("\nr/c 0123456789ABCDEF\n");
-#endif
-    for (uint8_t row = 0; row < matrix_rows(); row++) {
-        phex(row); print(": ");
-#if (MATRIX_COLS <= 8)
-        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");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-#if (MATRIX_COLS <= 8)
-        count += bitpop(matrix[i]);
-#else
-        count += bitpop16(matrix[i]);
-#endif
-    }
-    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