4 Copyright 2008, 2009 Michel Pollet <buserror@gmail.com>
6 This file is part of simavr.
8 simavr is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 simavr is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with simavr. If not, see <http://www.gnu.org/licenses/>.
27 #include "fifo_declare.h"
29 DECLARE_FIFO(uint8_t, uart_fifo, 128);
37 // add port number to get the real IRQ
38 #define AVR_IOCTL_UART_GETIRQ(_name) AVR_IOCTL_DEF('u','a','r',(_name))
40 typedef struct avr_uart_t {
43 avr_regbit_t disabled; // bit in the PRR
50 avr_regbit_t rxen; // receive enabled
51 avr_regbit_t txen; // transmit enable
53 uint8_t r_ubrrl,r_ubrrh;
57 avr_int_vector_t udrc;
60 uint16_t input_cycle_timer;
63 void avr_uart_init(avr_t * avr, avr_uart_t * port);
65 #endif /* AVR_UART_H_ */