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/>.
37 // add port number to get the real IRQ
38 #define AVR_IOCTL_SPI_GETIRQ(_name) AVR_IOCTL_DEF('s','p','i',(_name))
40 typedef struct avr_spi_t {
43 avr_regbit_t disabled; // bit in the PRR
45 avr_io_addr_t r_spdr; // data register
46 avr_io_addr_t r_spcr; // control register
47 avr_io_addr_t r_spsr; // status register
49 avr_regbit_t spe; // spi enable
50 avr_regbit_t mstr; // master/slave
51 avr_regbit_t spr[4]; // clock divider
53 avr_int_vector_t spi; // spi interrupt
55 uint8_t input_data_register;
58 void avr_spi_init(avr_t * avr, avr_spi_t * port);
64 #endif /*__AVR_SPI_H__*/