Imported Upstream version 3.2.2

[debian/gnuradio] / usrp2 / firmware / lib / usrp2_bytesex.h

diff --git a/usrp2/firmware/lib/usrp2_bytesex.h b/usrp2/firmware/lib/usrp2_bytesex.h
new file mode 100644 (file)
index 0000000..2b74f2a
--- /dev/null
+++ b/usrp2/firmware/lib/usrp2_bytesex.h
@@ -0,0 +1,66 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef INCLUDED_USRP2_BYTESEX_H
+#define INCLUDED_USRP2_BYTESEX_H
+
+// The USRP2 speaks big-endian...
+// Use the standard include files or provide substitutions for
+// htons and friends
+
+#if defined(HAVE_ARPA_INET_H)
+#include <arpa/inet.h>
+#elif defined(HAVE_NETINET_IN_H)
+#include <netinet/in.h>
+#else
+#include <stdint.h>
+
+#ifdef WORDS_BIGENDIAN  // nothing to do...
+
+static inline uint32_t htonl(uint32_t x){ return x; }
+static inline uint16_t htons(uint16_t x){ return x; }
+static inline uint32_t ntohl(uint32_t x){ return x; }
+static inline uint16_t ntohs(uint16_t x){ return x; }
+
+#else
+
+#ifdef HAVE_BYTESWAP_H
+#include <byteswap.h>
+#else
+
+static inline uint16_t
+bswap_16 (uint16_t x)
+{
+  return ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8));
+}
+
+static inline uint32_t
+bswap_32 (uint32_t x)
+{
+  return ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >>  8) \
+        | (((x) & 0x0000ff00) <<  8) | (((x) & 0x000000ff) << 24));
+}
+#endif
+
+static inline uint32_t htonl(uint32_t x){ return bswap_32(x); }
+static inline uint16_t htons(uint16_t x){ return bswap_16(x); }
+static inline uint32_t ntohl(uint32_t x){ return bswap_32(x); }
+static inline uint16_t ntohs(uint16_t x){ return bswap_16(x); }
+
+#endif
+#endif
+#endif /* INCLUDED_USRP2_BYTESEX_H */