1 files changed, 0 insertions, 162 deletions
diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
deleted file mode 100644
index 5b91d49f8..000000000
--- a/converter/ibm4704_usb/matrix.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
-Copyright 2014 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 "action.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "ibm4704.h"
-#include "matrix.h"
-
-
-static void matrix_make(uint8_t code);
-static void matrix_break(uint8_t code);
-static void matrix_clear(void);
-
-
-/*
- * Matrix Array usage:
- * IBM 4704 scan codes are assigned into 128(16x8)-cell matrix.
- *
- *    8bit wide
- *   +---------+
- *  0|         |
- *  :|   XX    | 00-7F
- *  f|         |
- *   +---------+
- *
- * Exceptions:
- */
-static uint8_t matrix[MATRIX_ROWS];
-
-// scan code bits  7654 3210
-// R:row/C:column  -RRR RCCC
-#define ROW(code)      ((code>>3)&0x0f)
-#define COL(code)      (code&0x07)
-
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-static void enable_break(void)
-{
-    print("Enable break: ");
-    while (ibm4704_send(0xFC)) { _delay_ms(10); }
-    // valid scancode: 00-79h
-    for (uint8_t code = 0; code < 0x7F; code++) {
-        while (ibm4704_send(0x80|code)) _delay_ms(10);
-        _delay_ms(5);   // wait for response
-        // No response(FF) when ok, FD when out of bound
-        xprintf("s%02X:r%02X ", code, ibm4704_recv());
-    }
-    while (ibm4704_send(0xFF)) { _delay_ms(10); } // End
-    print("End\n");
-}
-
-
-void matrix_setup(void)
-{
-    ibm4704_init();
-}
-
-void matrix_init(void)
-{
-    debug_enable = true;
-
-    print("IBM 4704 converter\n");
-    matrix_clear();
-    _delay_ms(2000);    // wait for keyboard starting up
-    xprintf("Keyboard ID: %02X\n", ibm4704_recv());
-    enable_break();
-}
-
-/*
- * IBM 4704 Scan Code
- */
-uint8_t matrix_scan(void)
-{
-    uint8_t code = ibm4704_recv();
-    if (code==0xFF) {
-        // Not receivd
-        return 0;
-    } else if ((code&0x7F) >= 0x7A) {
-        // 0xFF-FA and 0x7F-7A is not scancode
-        xprintf("Error: %02X\n", code);
-        matrix_clear();
-        return 0;
-    } else if (code&0x80) {
-        dprintf("%02X\n", code);
-        matrix_make(code);
-    } else {
-        dprintf("%02X\n", code);
-        matrix_break(code);
-    }
-    return 1;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & (1<<col));
-}
-
-inline
-uint8_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++) {
-        xprintf("%02X: %08b\n", row, bitrev(matrix_get_row(row)));
-    }
-}
-
-
-
-inline
-static void matrix_make(uint8_t code)
-{
-    matrix[ROW(code)] |= 1<<COL(code);
-}
-
-inline
-static void matrix_break(uint8_t code)
-{
-    matrix[ROW(code)] &= ~(1<<COL(code));
-}
-
-inline
-static void matrix_clear(void)
-{
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-}