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/ghost_squid/matrix.c | 237 ------------------------------------------
 1 file changed, 237 deletions(-)
 delete mode 100644 keyboard/ghost_squid/matrix.c

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

diff --git a/keyboard/ghost_squid/matrix.c b/keyboard/ghost_squid/matrix.c
deleted file mode 100644
index d6a82ef759..0000000000
--- a/keyboard/ghost_squid/matrix.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
-Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
-
-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"
-
-#ifndef DEBOUNCE
-#   define DEBOUNCE 0
-#endif
-static uint8_t debouncing = DEBOUNCE;
-
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-static uint8_t read_rows(void);
-static void init_rows(void);
-static void unselect_cols(void);
-static void select_col(uint8_t col);
-
-inline uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    unselect_cols();
-    init_rows();
-    for (uint8_t i=0; i < MATRIX_ROWS; i++)  {
-        matrix[i] = 0;
-        matrix_debouncing[i] = 0;
-    }
-}
-
-uint8_t matrix_scan(void)
-{
-    for (uint8_t col = 0; col < MATRIX_COLS; col++) {
-        select_col(col);
-        _delay_us(3);
-        uint8_t rows = read_rows();
-        for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-            bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
-            bool curr_bit = rows & (1<<row);
-            if (prev_bit != curr_bit) {
-                matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
-                debouncing = DEBOUNCE;
-            }
-        }
-        unselect_cols();
-    }
-
-    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 0123456789ABCDEF\n");
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-        xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop32(matrix[i]);
-    }
-    return count;
-}
-
-/* Row pin configuration
- *
- * row: 0    1    2    3    4    5    6    7
- * pin: PB1  PC2  PB6  PB4  PB3  PB5  PB0  PB2
- *
- */
-static void init_rows(void)
-{
-    DDRC &= ~0b00000100;
-    DDRB &= ~0b01111111;
-    PORTC |= 0b00000100;
-    PORTB |= 0b01111111;
-}
-
-static uint8_t read_rows(void)
-{
-    return (PINB&(1<<1) ? 0 : (1<<0)) |
-           (PINC&(1<<2) ? 0 : (1<<1)) |
-           (PINB&(1<<6) ? 0 : (1<<2)) |
-           (PINB&(1<<4) ? 0 : (1<<3)) |
-           (PINB&(1<<3) ? 0 : (1<<4)) |
-           (PINB&(1<<5) ? 0 : (1<<5)) |
-           (PINB&(1<<0) ? 0 : (1<<6)) |
-           (PINB&(1<<2) ? 0 : (1<<7));
-}
-
-/*  These columns uses two 74HC42 4 to 10 bit demultiplexers (low active).
- *
- *   COL PD6 PD5 PD4 PD3 PD2 PD1
- *   10   1   1   0   0   0   0
- *   15   1   1   0   0   0   1
- *    8   1   1   0   0   1   0
- *   14   1   1   0   1   0   0
- *    6   1   1   0   1   0   1
- *   13   1   1   0   1   1   0
- *   12   1   1   1   0   0   0
- *    9   1   1   1   0   1   0
- *   11   1   1   1   1   0   0
- *    7   1   1   1   1   1   0
- *
- *   COL PD1 PD2 PD3 PD4 PD5 PD6
- *    3   1   1   0   0   0   1
- *    4   1   1   0   0   1   0
- *   17   1   1   0   1   0   0
- *   16   1   1   0   1   1   0
- *    0   1   1   1   0   0   1
- *    5   1   1   1   0   1   0
- *    2   1   1   1   1   0   0
- *    1   1   1   1   1   1   0
- */
-static void unselect_cols(void)
-{
-    DDRD |= 0b01111111;
-    PORTD &= ~0b01111111;
-}
-
-static void select_col(uint8_t col)
-{
-    switch (col) {
-        case 0:
-            PORTD |= (1<<6) | (1<<3) | (1<<2) | (1<<1);
-            break;
-        case 1:
-            PORTD |= (1<<5) | (1<<4) | (1<<3) | (1<<2) | (1<<1);
-            break;
-        case 2:
-            PORTD |= (1<<4) | (1<<3) | (1<<2) | (1<<1);
-            break;
-        case 3:
-            PORTD |= (1<<6) | (1<<2) | (1<<1);
-            break;
-        case 4:
-            PORTD |= (1<<5) | (1<<2) | (1<<1);
-            break;
-        case 5:
-            PORTD |= (1<<5) | (1<<3) | (1<<2) | (1<<1);
-            break;
-        case 6:
-            PORTD |= (1<<6) | (1<<5) | (1<<3) | (1<<1);
-            break;
-        case 7:
-            PORTD |= (1<<6) | (1<<5) | (1<<4) | (1<<3) | (1<<2);
-            break;
-        case 8:
-            PORTD |= (1<<6) | (1<<5) | (1<<2);
-            break;
-        case 9:
-            PORTD |= (1<<6) | (1<<5) | (1<<4) | (1<<2);
-            break;
-        case 10:
-            PORTD |= (1<<6) | (1<<5);
-            break;
-        case 11:
-            PORTD |= (1<<6) | (1<<5) | (1<<4) | (1<<3);
-            break;
-        case 12:
-            PORTD |= (1<<6) | (1<<5) | (1<<4);
-            break;
-        case 13:
-            PORTD |= (1<<6) | (1<<5) | (1<<3) | (1<<2);
-            break;
-        case 14:
-            PORTD |= (1<<6) | (1<<5) | (1<<3);
-            break;
-        case 15:
-            PORTD |= (1<<6) | (1<<5) | (1<<1);
-            break;
-        case 16:
-            PORTD |= (1<<5) | (1<<4) | (1<<2) | (1<<1);
-            break;
-        case 17:
-            PORTD |= (1<<4) | (1<<2) | (1<<1);
-            break;
-    }
-}
-- 
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