doc/doxygen-3.4/spi_8h_source.html

00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004 Free Software Foundation, Inc.
00004  *
00005  * This file is part of GNU Radio
00006  *
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  *
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022
00023 #ifndef INCLUDED_SPI_H
00024 #define INCLUDED_SPI_H
00025
00026 #include "usrp_spi_defs.h"
00027
00028 void init_spi (void);           // one time call to init
00029
00030 // returns non-zero if successful, else 0
00031 unsigned char
00032 spi_read (unsigned char header_hi, unsigned char header_lo,
00033           unsigned char enables, unsigned char format,
00034           xdata unsigned char *buf, unsigned char len);
00035
00036 // returns non-zero if successful, else 0
00037 unsigned char
00038 spi_write (unsigned char header_hi, unsigned char header_lo,
00039            unsigned char enables, unsigned char format,
00040            const xdata unsigned char *buf, unsigned char len);
00041
00042
00043 #endif /* INCLUDED_SPI_H */