ps2_usb/config_vusb.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      0x2233
  24 // TODO: share these strings with usbconfig.h
  25 // Edit usbconfig.h to change these.
  26 #define MANUFACTURER    t.m.k.
  27 #define PRODUCT         PS/2 keyboard converter
  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   4
  54 #define PS2_DATA_PORT   PORTD
  55 #define PS2_DATA_PIN    PIND
  56 #define PS2_DATA_DDR    DDRD
  57 #define PS2_DATA_BIT    0
  58
  59
  60 // Synchronous USART is used to receive data from keyboard.
  61 // Use RXD pin for PS/2 DATA line and XCK for PS/2 CLOCK.
  62 // NOTE: This is recomended strongly if you use V-USB library.
  63 #define PS2_USE_USART
  64
  65 // External or Pin Change Interrupt is used to receive data from keyboard.
  66 // Use INT1 or PCINTxx for PS/2 CLOCK line. see below.
  67 //#define PS2_USE_INT
  68
  69
  70 #ifdef PS2_USE_USART
  71 // synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge
  72 // set DDR of CLOCK as input to be slave
  73 #define PS2_USART_INIT() do {   \
  74     PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
  75     PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
  76     UCSR0C = ((1 << UMSEL00) |  \
  77               (3 << UPM00)   |  \
  78               (0 << USBS0)   |  \
  79               (3 << UCSZ00)  |  \
  80               (0 << UCPOL0));   \
  81     UCSR0A = 0;                 \
  82     UBRR0H = 0;                 \
  83     UBRR0L = 0;                 \
  84 } while (0)
  85 #define PS2_USART_RX_INT_ON() do {  \
  86     UCSR0B = ((1 << RXCIE0) |       \
  87               (1 << RXEN0));        \
  88 } while (0)
  89 #define PS2_USART_RX_POLL_ON() do { \
  90     UCSR0B = (1 << RXEN0);          \
  91 } while (0)
  92 #define PS2_USART_OFF() do {    \
  93     UCSR0C = 0;                 \
  94     UCSR0B &= ~((1 << RXEN0) |  \
  95                 (1 << TXEN0));  \
  96 } while (0)
  97 #define PS2_USART_RX_READY      (UCSR0A & (1<<RXC0))
  98 #define PS2_USART_RX_DATA       UDR0
  99 #define PS2_USART_ERROR         (UCSR0A & ((1<<FE0) | (1<<DOR0) | (1<<UPE0)))
 100 #define PS2_USART_RX_VECT       USART_RX_vect
 101 #endif
 102
 103
 104 #ifdef PS2_USE_INT
 105 /* INT1
 106 #define PS2_INT_INIT()  do {    \
 107     EICRA |= ((1<<ISC11) |      \
 108               (0<<ISC10));      \
 109 } while (0)
 110 #define PS2_INT_ON()  do {      \
 111     EIMSK |= (1<<INT1);         \
 112 } while (0)
 113 #define PS2_INT_OFF() do {      \
 114     EIMSK &= ~(1<<INT1);        \
 115 } while (0)
 116 #define PS2_INT_VECT    INT1_vect
 117 */
 118
 119 /* PCINT20 */
 120 #define PS2_INT_INIT()  do {    \
 121     PCICR  |= (1<<PCIE2);       \
 122 } while (0)
 123 #define PS2_INT_ON()  do {      \
 124     PCMSK2 |= (1<<PCINT20);     \
 125 } while (0)
 126 #define PS2_INT_OFF() do {      \
 127     PCMSK2 &= ~(1<<PCINT20);    \
 128     PCICR  &= ~(1<<PCIE2);      \
 129 } while (0)
 130 #define PS2_INT_VECT    PCINT2_vect
 131 #endif
 132
 133 #endif