3 * Copyright 2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_SPI_H
24 #define INCLUDED_SPI_H
26 #include "usrp_spi_defs.h"
28 void init_spi (void); // one time call to init
30 // returns non-zero if successful, else 0
32 spi_read (unsigned char header_hi, unsigned char header_lo,
33 unsigned char enables, unsigned char format,
34 xdata unsigned char *buf, unsigned char len);
36 // returns non-zero if successful, else 0
38 spi_write (unsigned char header_hi, unsigned char header_lo,
39 unsigned char enables, unsigned char format,
40 const xdata unsigned char *buf, unsigned char len);
43 #endif /* INCLUDED_SPI_H */