2 Copyright 2014 Jun Wako <wakojun@gmail.com>
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include <avr/interrupt.h>
23 #define VENDOR_ID 0xFEED
24 #define PRODUCT_ID 0x4707
25 #define DEVICE_VER 0x0001
26 #define MANUFACTURER t.m.k.
27 #define PRODUCT IBM 4704 keyboard converter
28 #define DESCRIPTION convert IBM 4704 keyboard to USB
32 #define MATRIX_ROWS 16 // keycode bit3-6
33 #define MATRIX_COLS 8 // keycode bit0-2
36 /* key combination for command */
37 #define IS_COMMAND() ( \
38 keyboard_report->mods == (MOD_BIT(KC_LCTRL) | MOD_BIT(KC_RCTRL)) || \
39 keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
44 /* Pin configuration */
45 #define IBM4704_CLOCK_PORT PORTD
46 #define IBM4704_CLOCK_PIN PIND
47 #define IBM4704_CLOCK_DDR DDRD
48 #define IBM4704_CLOCK_BIT 1
49 #define IBM4704_DATA_PORT PORTD
50 #define IBM4704_DATA_PIN PIND
51 #define IBM4704_DATA_DDR DDRD
52 #define IBM4704_DATA_BIT 0
54 /* Pin interrupt on rising edge of clock */
55 #define IBM4704_INT_INIT() do { EICRA |= ((1<<ISC11)|(1<<ISC10)); } while (0)
56 #define IBM4704_INT_ON() do { EIFR |= (1<<INTF1); EIMSK |= (1<<INT1); } while (0)
57 #define IBM4704_INT_OFF() do { EIMSK &= ~(1<<INT1); } while (0)
58 #define IBM4704_INT_VECT INT1_vect