1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* -*- c++ -*- */
/*
* Copyright 2004 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_SPI_H
#define INCLUDED_SPI_H
#include "usrp_spi_defs.h"
void init_spi (void); // one time call to init
// returns non-zero if successful, else 0
unsigned char
spi_read (unsigned char header_hi, unsigned char header_lo,
unsigned char enables, unsigned char format,
xdata unsigned char *buf, unsigned char len);
// returns non-zero if successful, else 0
unsigned char
spi_write (unsigned char header_hi, unsigned char header_lo,
unsigned char enables, unsigned char format,
const xdata unsigned char *buf, unsigned char len);
#endif /* INCLUDED_SPI_H */
|
