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Add flow control by firmware to serial_uart
[tmk_keyboard.git] / keyboard / hhkb_rn42 / config.h
1 /*
2 Copyright 2011 Jun Wako <wakojun@gmail.com>
3
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.
8
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.
13
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/>.
16 */
17
18 #ifndef CONFIG_H
19 #define CONFIG_H
20
21
22 #define VENDOR_ID 0xFEED
23 #define PRODUCT_ID 0x4242
24 #define DEVICE_VER 0x0104
25 #define MANUFACTURER t.m.k.
26 #define PRODUCT HHKB mod
27 #define DESCRIPTION t.m.k. keyboard firmware for HHKB mod
28
29
30 /* matrix size */
31 #define MATRIX_ROWS 8
32 #define MATRIX_COLS 8
33
34
35 /* key combination for command */
36 #define IS_COMMAND() (keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)))
37
38
39 /* period of tapping(ms) */
40 #define TAPPING_TERM 300
41 /* tap count needed for toggling a feature */
42 #define TAPPING_TOGGLE 5
43 /* Oneshot timeout(ms) */
44 #define ONESHOT_TIMEOUT 300
45
46 /* Boot Magic salt key: Space */
47 #define BOOTMAGIC_KEY_SALT KC_FN6
48
49
50 /*
51 * Hardware Serial(UART)
52 * Baud rate are calculated with round off(+0.5).
53 */
54 #ifdef __AVR_ATmega32U4__
55 /* iom32u4.h has no definition of UCSR1D. copy from iom32u2.h */
56 #define UCSR1D _SFR_MEM8(0xCB)
57 #define RTSEN 0
58 #define CTSEN 1
59
60 #define SERIAL_UART_BAUD 115200
61 #define SERIAL_UART_DATA UDR1
62 #define SERIAL_UART_UBRR ((F_CPU/(16.0*SERIAL_UART_BAUD)-1+0.5))
63 #define SERIAL_UART_RXD_VECT USART1_RX_vect
64 #define SERIAL_UART_TXD_READY (UCSR1A&(1<<UDRE1))
65 #define SERIAL_UART_INIT() do { \
66 UBRR1L = (uint8_t) SERIAL_UART_UBRR; /* baud rate */ \
67 UBRR1H = ((uint16_t)SERIAL_UART_UBRR>>8); /* baud rate */ \
68 UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
69 UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
70 UCSR1C |= (0<<UPM11) | (0<<UPM10); /* parity: none(00), even(01), odd(11) */ \
71 UCSR1D |= (0<<RTSEN) | (0<<CTSEN); /* RTS, CTS(no flow control by hardware) */ \
72 DDRD |= (1<<5); PORTD &= ~(1<<5); /* RTS for flow control by firmware */ \
73 sei(); \
74 } while(0)
75 #define SERIAL_UART_RTS_LO() do { PORTD &= ~(1<<5); } while (0)
76 #define SERIAL_UART_RTS_HI() do { PORTD |= (1<<5); } while (0)
77 #else
78 #error "USART configuration is needed."
79 #endif
80
81
82 /* for debug */
83 #define SUART_OUT_PORT PORTD
84 #define SUART_OUT_BIT 0
85 #define SUART_IN_PIN PIND
86 #define SUART_IN_BIT 1
87
88
89 /*
90 * Feature disable options
91 * These options are also useful to firmware size reduction.
92 */
93 /* disable debug print */
94 //#define NO_DEBUG
95
96 /* disable print */
97 //#define NO_PRINT
98
99 /* disable action features */
100 //#define NO_ACTION_LAYER
101 //#define NO_ACTION_TAPPING
102 //#define NO_ACTION_ONESHOT
103 //#define NO_ACTION_MACRO
104 //#define NO_ACTION_FUNCTION
105
106 #endif
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