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