From d06e940a179b2e81563cf6123461cfcad35f9045 Mon Sep 17 00:00:00 2001
From: Erez Zukerman <ezuk@madmimi.com>
Date: Tue, 24 May 2016 23:55:29 -0400
Subject: [Erez & Jack] Removes keyboards which are not active on qmk

---
 keyboard/hbkb/matrix.c | 206 -------------------------------------------------
 1 file changed, 206 deletions(-)
 delete mode 100644 keyboard/hbkb/matrix.c

(limited to 'keyboard/hbkb/matrix.c')

diff --git a/keyboard/hbkb/matrix.c b/keyboard/hbkb/matrix.c
deleted file mode 100644
index ee32312d9..000000000
--- a/keyboard/hbkb/matrix.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
-Copyright 2012 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-
-
-/*
- * Happy Buckling Keyboard(IBM Model M mod)
- *
- * Pin usage:
- *   COL: PD0-7
- *   ROW: PB0-7, PF4-7
- */
-#ifndef DEBOUNCE
-#   define DEBOUNCE	10
-#endif
-static uint8_t debouncing = DEBOUNCE;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-static matrix_row_t read_cols(void);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
-
-    // initialize rows
-    unselect_rows();
-
-    // initialize columns to input with pull-up(DDR:0, PORT:1)
-    DDRD = 0x00;
-    PORTD = 0xFF;
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
-        matrix[i] = 0;
-        matrix_debouncing[i] = 0;
-    }
-}
-
-uint8_t matrix_scan(void)
-{
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        select_row(i);
-        _delay_us(30);  // without this wait read unstable value.
-        matrix_row_t cols = read_cols();
-        if (matrix_debouncing[i] != cols) {
-            matrix_debouncing[i] = cols;
-            if (debouncing) {
-                debug("bounce!: "); debug_hex(debouncing); debug("\n");
-            }
-            debouncing = DEBOUNCE;
-        }
-        unselect_rows();
-    }
-
-    if (debouncing) {
-        if (--debouncing) {
-            _delay_ms(1);
-        } else {
-            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-                matrix[i] = matrix_debouncing[i];
-            }
-        }
-    }
-
-    return 1;
-}
-
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    return true;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-    print("\nr/c 01234567\n");
-    for (uint8_t row = 0; row < matrix_rows(); row++) {
-        phex(row); print(": ");
-        pbin_reverse(matrix_get_row(row));
-#ifdef MATRIX_HAS_GHOST
-        if (matrix_has_ghost_in_row(row)) {
-            print(" <ghost");
-        }
-#endif
-        print("\n");
-    }
-}
-
-#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]))
-            return true;
-    }
-    return false;
-}
-#endif
-
-inline
-static matrix_row_t read_cols(void)
-{
-    return ~PIND;
-}
-
-inline
-static void unselect_rows(void)
-{
-    // Hi-Z(DDR:0, PORT:0) to unselect
-    DDRB  &= ~0b11111111;
-    PORTB &= ~0b11111111;
-    DDRF  &= ~0b11110000;
-    PORTF &= ~0b11110000;
-}
-
-inline
-static void select_row(uint8_t row)
-{
-    // Output low(DDR:1, PORT:0) to select
-    switch (row) {
-        case 0:
-        case 1:
-        case 2:
-        case 3:
-        case 4:
-        case 5:
-        case 6:
-        case 7:
-            DDRB  |=  (1<<row);
-            PORTB &= ~(1<<row);
-            break;
-        case 8:
-            DDRF  |=  (1<<4);
-            PORTF &= ~(1<<4);
-            break;
-        case 9:
-        case 10:
-        case 11:
-            DDRF  |=  (1<<(row-4));
-            PORTF &= ~(1<<(row-4));
-            break;
-    }
-}
-- 
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