converter/pc98_usb/config.h

   1 /*
   2 Copyright 2012 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 #define VENDOR_ID       0xFEED
  22 #define PRODUCT_ID      0x9898
  23 #define DEVICE_VER      0x0100
  24 #define MANUFACTURER    t.m.k.
  25 #define PRODUCT         PC98 keyboard converter
  26 #define DESCRIPTION     converts PC98 keyboard protocol into USB
  27
  28
  29 /* matrix size */
  30 #define MATRIX_ROWS     16
  31 #define MATRIX_COLS     8
  32
  33 /* key combination for command */
  34 #define IS_COMMAND()    ( \
  35     host_get_first_key() == KC_CANCEL \
  36 )
  37
  38
  39 /* PC98 Reset Port shared with TXD */
  40 #define PC98_RST_DDR    DDRD
  41 #define PC98_RST_PORT   PORTD
  42 #define PC98_RST_BIT    3
  43 /* PC98 Ready Port */
  44 #define PC98_RDY_DDR    DDRD
  45 #define PC98_RDY_PORT   PORTD
  46 #define PC98_RDY_BIT    4
  47 /* PC98 Retry Port */
  48 #define PC98_RTY_DDR    DDRD
  49 #define PC98_RTY_PORT   PORTD
  50 #define PC98_RTY_BIT    5
  51
  52 /*
  53  * PC98 Serial(USART) configuration
  54  *     asynchronous, positive logic, 19200baud, bit order: LSB first
  55  *     1-start bit, 8-data bit, odd parity, 1-stop bit
  56  */
  57 /*
  58  * Software Serial
  59  */
  60 #define SERIAL_SOFT_BAUD                19200
  61 #define SERIAL_SOFT_PARITY_ODD
  62 #define SERIAL_SOFT_BIT_ORDER_LSB
  63 #define SERIAL_SOFT_LOGIC_POSITIVE
  64 /* RXD Port */
  65 #define SERIAL_SOFT_RXD_DDR             DDRD
  66 #define SERIAL_SOFT_RXD_PORT            PORTD
  67 #define SERIAL_SOFT_RXD_PIN             PIND
  68 #define SERIAL_SOFT_RXD_BIT             2
  69 #define SERIAL_SOFT_RXD_READ()          (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
  70 /* RXD Interupt */
  71 #define SERIAL_SOFT_RXD_VECT            INT2_vect
  72 #define SERIAL_SOFT_RXD_INIT()          do { \
  73     /* pin configuration: input with pull-up */ \
  74     SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
  75     SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
  76     /* enable interrupt: INT2(falling edge) */ \
  77     EICRA |= ((1<<ISC21)|(0<<ISC20)); \
  78     EIMSK |= (1<<INT2); \
  79     sei(); \
  80 } while (0)
  81 #define SERIAL_SOFT_RXD_INT_ENTER()
  82 #define SERIAL_SOFT_RXD_INT_EXIT()      do { \
  83     /* clear interrupt  flag */ \
  84     EIFR = (1<<INTF2); \
  85 } while (0)
  86 /* TXD Port */
  87 #define SERIAL_SOFT_TXD_DDR             DDRD
  88 #define SERIAL_SOFT_TXD_PORT            PORTD
  89 #define SERIAL_SOFT_TXD_PIN             PIND
  90 #define SERIAL_SOFT_TXD_BIT             3
  91 #define SERIAL_SOFT_TXD_HI()            do { SERIAL_SOFT_TXD_PORT |=  (1<<SERIAL_SOFT_TXD_BIT); } while (0)
  92 #define SERIAL_SOFT_TXD_LO()            do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
  93 #define SERIAL_SOFT_TXD_INIT()          do { \
  94     /* pin configuration: output */ \
  95     SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
  96     /* idle */ \
  97     SERIAL_SOFT_TXD_ON(); \
  98 } while (0)
  99
 100
 101 /*
 102  * Hardware Serial(UART)
 103  */
 104 #ifdef __AVR_ATmega32U4__
 105     #define SERIAL_UART_BAUD       19200
 106     #define SERIAL_UART_DATA       UDR1
 107     #define SERIAL_UART_UBRR       ((F_CPU/(16UL*SERIAL_UART_BAUD))-1)
 108     #define SERIAL_UART_RXD_VECT   USART1_RX_vect
 109     #define SERIAL_UART_TXD_READY  (UCSR1A&(1<<UDRE1))
 110     #define SERIAL_UART_INIT()     do { \
 111         UBRR1L = (uint8_t) SERIAL_UART_UBRR;       /* baud rate */ \
 112         UBRR1H = (uint8_t) (SERIAL_UART_UBRR>>8);  /* baud rate */ \
 113         UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
 114         UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
 115         UCSR1C |= (1<<UPM11) | (1<<UPM10);  /* parity: none(00), even(01), odd(11) */ \
 116         sei(); \
 117     } while(0)
 118 #else
 119     #error "USART configuration is needed."
 120 #endif
 121
 122
 123 #endif