From 5d69a524f81f234b3fbc41d49ba18d6f6886baba Mon Sep 17 00:00:00 2001 From: jcorgan Date: Thu, 3 Aug 2006 04:51:51 +0000 Subject: Houston, we have a trunk. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5 --- usrp/host/lib/usrp_bytesex.h | 74 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 usrp/host/lib/usrp_bytesex.h (limited to 'usrp/host/lib/usrp_bytesex.h') diff --git a/usrp/host/lib/usrp_bytesex.h b/usrp/host/lib/usrp_bytesex.h new file mode 100644 index 000000000..de34c053d --- /dev/null +++ b/usrp/host/lib/usrp_bytesex.h @@ -0,0 +1,74 @@ +/* -*- 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +#ifndef INCLUDED_USRP_BYTESEX_H +#define INCLUDED_USRP_BYTESEX_H + +/*! + * \brief routines for convertering between host and usrp byte order + * + * Prior to including this file, the user must include "config.h" + * which will or won't define WORDS_BIGENDIAN based on the + * result of the AC_C_BIGENDIAN autoconf test. + */ + +#ifdef HAVE_BYTESWAP_H +#include +#else +static inline unsigned short int +bswap_16 (unsigned short int x) +{ + return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)); +} +#endif + + +#ifdef WORDS_BIGENDIAN + +static inline short int +host_to_usrp_short (short int x) +{ + return bswap_16 (x); +} + +static inline short int +usrp_to_host_short (short int x) +{ + return bswap_16 (x); +} + +#else + +static inline short int +host_to_usrp_short (short int x) +{ + return x; +} + +static inline short int +usrp_to_host_short (unsigned short int x) +{ + return x; +} + +#endif + +#endif /* INCLUDED_USRP_BYTESEX_H */ -- cgit