2 Copyright 2019 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 0x1bee
25 #define DEVICE_VER 0x0001
26 #define MANUFACTURER t.m.k.
27 #define PRODUCT IBM PC keyboard converter
28 #define DESCRIPTION convert IBM PC keyboard to USB
32 #define MATRIX_ROWS 16 // keycode bit: 6-3
33 #define MATRIX_COLS 8 // keycode bit: 2-0
36 /* key combination for command */
37 #define IS_COMMAND() ( \
38 keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) || \
39 keyboard_report->mods == (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT)) \
44 * Pin and interrupt configuration
46 #if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega32U2__) || defined(__AVR_AT90USB1286__)
48 #define IBMPC_CLOCK_PORT PORTD
49 #define IBMPC_CLOCK_PIN PIND
50 #define IBMPC_CLOCK_DDR DDRD
51 #define IBMPC_CLOCK_BIT 1
53 #define IBMPC_DATA_PORT PORTD
54 #define IBMPC_DATA_PIN PIND
55 #define IBMPC_DATA_DDR DDRD
56 #define IBMPC_DATA_BIT 0
58 #define IBMPC_RST_PORT PORTB
59 #define IBMPC_RST_PIN PINB
60 #define IBMPC_RST_DDR DDRB
61 #define IBMPC_RST_BIT1 6
62 #define IBMPC_RST_BIT2 7
64 /* reset for XT Type-1 keyboard: low pulse for 500ms */
65 #define IBMPC_RST_HIZ() do { \
66 IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT1); \
67 IBMPC_RST_DDR &= ~(1<<IBMPC_RST_BIT1); \
68 IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT2); \
69 IBMPC_RST_DDR &= ~(1<<IBMPC_RST_BIT2); \
72 #define IBMPC_RST_LO() do { \
73 IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT1); \
74 IBMPC_RST_DDR |= (1<<IBMPC_RST_BIT1); \
75 IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT2); \
76 IBMPC_RST_DDR |= (1<<IBMPC_RST_BIT2); \
79 /* interrupt for clock line */
80 #define IBMPC_INT_INIT() do { \
81 EICRA |= ((1<<ISC11) | \
85 /* NOTE: clear flag and enabling to ditch unwanted interrupt */
86 #define IBMPC_INT_ON() do { \
91 #define IBMPC_INT_OFF() do { \
92 EIMSK &= ~(1<<INT1); \
95 #define IBMPC_INT_VECT INT1_vect
98 #error "No pin configuration in config.h"