2 Copyright 2012 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 0x6512
25 #define DEVICE_VER 0x0001
26 #define MANUFACTURER t.m.k.
27 #define PRODUCT PS/2 keyboard converter
28 #define DESCRIPTION convert PS/2 keyboard to USB
32 #define MATRIX_ROWS 32 // keycode bit: 3-0
33 #define MATRIX_COLS 8 // keycode bit: 6-4
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_LCTRL) | MOD_BIT(KC_RSHIFT)) \
43 //#define NO_SUSPEND_POWER_DOWN
49 #ifdef PS2_USE_BUSYWAIT
50 #define PS2_CLOCK_PORT PORTD
51 #define PS2_CLOCK_PIN PIND
52 #define PS2_CLOCK_DDR DDRD
53 #define PS2_CLOCK_BIT 1
54 #define PS2_DATA_PORT PORTD
55 #define PS2_DATA_PIN PIND
56 #define PS2_DATA_DDR DDRD
57 #define PS2_DATA_BIT 0
64 /* uses INT1 for clock line(ATMega32U4) */
65 #define PS2_CLOCK_PORT PORTD
66 #define PS2_CLOCK_PIN PIND
67 #define PS2_CLOCK_DDR DDRD
68 #define PS2_CLOCK_BIT 1
69 #define PS2_DATA_PORT PORTD
70 #define PS2_DATA_PIN PIND
71 #define PS2_DATA_DDR DDRD
72 #define PS2_DATA_BIT 0
73 #define PS2_INT_INIT() do { \
74 EICRA |= ((1<<ISC11) | \
77 #define PS2_INT_ON() do { \
80 #define PS2_INT_OFF() do { \
81 EIMSK &= ~(1<<INT1); \
83 #define PS2_INT_VECT INT1_vect
90 #if defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)
91 /* XCK for clock line and RXD for data line */
92 #define PS2_CLOCK_PORT PORTD
93 #define PS2_CLOCK_PIN PIND
94 #define PS2_CLOCK_DDR DDRD
95 #define PS2_CLOCK_BIT 5
96 #define PS2_DATA_PORT PORTD
97 #define PS2_DATA_PIN PIND
98 #define PS2_DATA_DDR DDRD
99 #define PS2_DATA_BIT 2
100 /* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
101 /* set DDR of CLOCK as input to be slave */
102 #define PS2_USART_INIT() do { \
103 PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
104 PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
105 UCSR1C = ((1 << UMSEL10) | \
114 #define PS2_USART_RX_INT_ON() do { \
115 UCSR1B = ((1 << RXCIE1) | \
118 #define PS2_USART_RX_POLL_ON() do { \
119 UCSR1B = (1 << RXEN1); \
121 #define PS2_USART_OFF() do { \
123 UCSR1B &= ~((1 << RXEN1) | \
126 #define PS2_USART_RX_READY (UCSR1A & (1<<RXC1))
127 #define PS2_USART_RX_DATA UDR1
128 #define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
129 #define PS2_USART_RX_VECT USART1_RX_vect
130 #elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
131 /* XCK for clock line and RXD for data line */
132 #define PS2_CLOCK_PORT PORTD
133 #define PS2_CLOCK_PIN PIND
134 #define PS2_CLOCK_DDR DDRD
135 #define PS2_CLOCK_BIT 4
136 #define PS2_DATA_PORT PORTD
137 #define PS2_DATA_PIN PIND
138 #define PS2_DATA_DDR DDRD
139 #define PS2_DATA_BIT 0
140 /* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
141 /* set DDR of CLOCK as input to be slave */
142 #define PS2_USART_INIT() do { \
143 PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
144 PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
145 UCSR0C = ((1 << UMSEL00) | \
154 #define PS2_USART_RX_INT_ON() do { \
155 UCSR0B = ((1 << RXCIE0) | \
158 #define PS2_USART_RX_POLL_ON() do { \
159 UCSR0B = (1 << RXEN0); \
161 #define PS2_USART_OFF() do { \
163 UCSR0B &= ~((1 << RXEN0) | \
166 #define PS2_USART_RX_READY (UCSR0A & (1<<RXC0))
167 #define PS2_USART_RX_DATA UDR0
168 #define PS2_USART_ERROR (UCSR0A & ((1<<FE0) | (1<<DOR0) | (1<<UPE0)))
169 #define PS2_USART_RX_VECT USART_RX_vect