70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
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/* Copyright 2020 Maarten Dekkers <maartenwut@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifdef PS2_USE_USART
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#define PS2_CLOCK_PORT PORTD
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#define PS2_CLOCK_PIN PIND
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#define PS2_CLOCK_DDR DDRD
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#define PS2_CLOCK_BIT 5
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#define PS2_DATA_PORT PORTD
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#define PS2_DATA_PIN PIND
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#define PS2_DATA_DDR DDRD
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#define PS2_DATA_BIT 2
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/* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
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/* set DDR of CLOCK as input to be slave */
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#define PS2_USART_INIT() do { \
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PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
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PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
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UCSR1C = ((1 << UMSEL10) | \
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(3 << UPM10) | \
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(0 << USBS1) | \
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(3 << UCSZ10) | \
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(0 << UCPOL1)); \
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UCSR1A = 0; \
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UBRR1H = 0; \
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UBRR1L = 0; \
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} while (0)
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#define PS2_USART_RX_INT_ON() do { \
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UCSR1B = ((1 << RXCIE1) | \
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(1 << RXEN1)); \
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} while (0)
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#define PS2_USART_RX_POLL_ON() do { \
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UCSR1B = (1 << RXEN1); \
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} while (0)
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#define PS2_USART_OFF() do { \
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UCSR1C = 0; \
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UCSR1B &= ~((1 << RXEN1) | \
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(1 << TXEN1)); \
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} while (0)
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#define PS2_USART_RX_READY (UCSR1A & (1<<RXC1))
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#define PS2_USART_RX_DATA UDR1
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#define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
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#define PS2_USART_RX_VECT USART1_RX_vect
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#define PS2_MOUSE_ENABLE_SCROLLING
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#define PS2_MOUSE_INIT_DELAY 1000
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#define PS2_MOUSE_BTN_LEFT 0
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#define PS2_MOUSE_BTN_RIGHT 1
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#define PS2_MOUSE_BTN_MIDDLE 2
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#define PS2_MOUSE_X_MULTIPLIER 2
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#define PS2_MOUSE_Y_MULTIPLIER 2
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#define PS2_MOUSE_V_MULTIPLIER 1
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#define PS2_MOUSE_SCROLL_BTN_MASK 0
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#define PS2_MOUSE_USE_REMOTE_MODE
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#endif
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