ps2_usb/config_pjrc_usart.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 /* controller configuration */
  22 #include "controller_teensy.h"
  23
  24 #define VENDOR_ID       0xFEED
  25 #define PRODUCT_ID      0x6513
  26 #define MANUFACTURER    t.m.k.
  27 #define PRODUCT         PS/2 keyboard converter(USART)
  28 #define DESCRIPTION     convert PS/2 keyboard to USB
  29
  30
  31 /* matrix size */
  32 #define MATRIX_ROWS 32  // keycode bit: 3-0
  33 #define MATRIX_COLS 8   // keycode bit: 6-4
  34
  35
  36 /* key combination for command */
  37 #define IS_COMMAND() ( \
  38     keyboard_report->mods == (MOD_BIT(KB_LSHIFT) | MOD_BIT(KB_RSHIFT)) || \
  39     keyboard_report->mods == (MOD_BIT(KB_LCTRL) | MOD_BIT(KB_RSHIFT)) \
  40 )
  41
  42
  43 /* mouse keys */
  44 #ifdef MOUSEKEY_ENABLE
  45 #   define MOUSEKEY_DELAY_TIME 255
  46 #endif
  47
  48
  49 /* PS/2 lines */
  50 #define PS2_CLOCK_PORT  PORTD
  51 #define PS2_CLOCK_PIN   PIND
  52 #define PS2_CLOCK_DDR   DDRD
  53 #define PS2_CLOCK_BIT   5
  54 #define PS2_DATA_PORT   PORTD
  55 #define PS2_DATA_PIN    PIND
  56 #define PS2_DATA_DDR    DDRD
  57 #define PS2_DATA_BIT    2
  58
  59
  60 // synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge
  61 // set DDR of CLOCK as input to be slave
  62 #define PS2_USART_INIT() do {   \
  63     PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
  64     PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
  65     UCSR1C = ((1 << UMSEL10) |  \
  66               (3 << UPM10)   |  \
  67               (0 << USBS1)   |  \
  68               (3 << UCSZ10)  |  \
  69               (0 << UCPOL1));   \
  70     UCSR1A = 0;                 \
  71     UBRR1H = 0;                 \
  72     UBRR1L = 0;                 \
  73 } while (0)
  74 #define PS2_USART_RX_INT_ON() do {  \
  75     UCSR1B = ((1 << RXCIE1) |       \
  76               (1 << RXEN1));        \
  77 } while (0)
  78 #define PS2_USART_RX_POLL_ON() do { \
  79     UCSR1B = (1 << RXEN1);          \
  80 } while (0)
  81 #define PS2_USART_OFF() do {    \
  82     UCSR1C = 0;                 \
  83     UCSR1B &= ~((1 << RXEN1) |  \
  84                 (1 << TXEN1));  \
  85 } while (0)
  86 #define PS2_USART_RX_READY      (UCSR1A & (1<<RXC1))
  87 #define PS2_USART_RX_DATA       UDR1
  88 #define PS2_USART_ERROR         (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
  89 #define PS2_USART_RX_VECT       USART1_RX_vect
  90
  91 #endif