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authorJohnathan Corgan <jcorgan@corganenterprises.com>2009-09-20 19:32:30 -0700
committerJohnathan Corgan <jcorgan@corganenterprises.com>2009-09-20 19:32:30 -0700
commitf8fcb642dabca11870886c53dfdff66c86774db0 (patch)
tree012cd20603f4e38f5e50b41f08eac578d1ec7480 /gr-noaa/lib
parent789435387ab3a886cd33304f4f47d60456765b70 (diff)
Added skeleton HRPT decoder block
Diffstat (limited to 'gr-noaa/lib')
-rw-r--r--gr-noaa/lib/Makefile.am2
-rw-r--r--gr-noaa/lib/noaa_hrpt_decoder.cc64
-rw-r--r--gr-noaa/lib/noaa_hrpt_decoder.h47
3 files changed, 113 insertions, 0 deletions
diff --git a/gr-noaa/lib/Makefile.am b/gr-noaa/lib/Makefile.am
index 578c98adaf..6435d192e9 100644
--- a/gr-noaa/lib/Makefile.am
+++ b/gr-noaa/lib/Makefile.am
@@ -29,6 +29,7 @@ lib_LTLIBRARIES = \
libgnuradio-noaa.la
libgnuradio_noaa_la_SOURCES = \
+ noaa_hrpt_decoder.cc \
noaa_hrpt_deframer.cc \
noaa_hrpt_pll_cf.cc \
noaa_hrpt_sync_fb.cc
@@ -39,6 +40,7 @@ libgnuradio_noaa_la_LIBADD = \
libgnuradio_noaa_la_LDFLAGS = $(NO_UNDEFINED) -version-info 0:0:0
grinclude_HEADERS = \
+ noaa_hrpt_decoder.h \
noaa_hrpt_deframer.h \
noaa_hrpt_pll_cf.h \
noaa_hrpt_sync_fb.h
diff --git a/gr-noaa/lib/noaa_hrpt_decoder.cc b/gr-noaa/lib/noaa_hrpt_decoder.cc
new file mode 100644
index 0000000000..7aa815c5c5
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_decoder.cc
@@ -0,0 +1,64 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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 3, 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <noaa_hrpt_decoder.h>
+#include <gr_io_signature.h>
+
+#define SYNC1 0x0284
+#define SYNC2 0x016F
+#define SYNC3 0x035C
+#define SYNC4 0x019D
+#define SYNC5 0x020F
+#define SYNC6 0x0095
+
+noaa_hrpt_decoder_sptr
+noaa_make_hrpt_decoder()
+{
+ return gnuradio::get_initial_sptr(new noaa_hrpt_decoder());
+}
+
+noaa_hrpt_decoder::noaa_hrpt_decoder()
+ : gr_sync_block("noaa_hrpt_decoder",
+ gr_make_io_signature(1, 1, sizeof(short)),
+ gr_make_io_signature(0, 0, 0))
+{
+ d_word_count = 0;
+}
+
+int
+noaa_hrpt_decoder::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ const unsigned short *in = (const unsigned short*)input_items[0];
+
+ int i = 0;
+ while (i < noutput_items) {
+ unsigned short word = in[i++];
+ }
+
+ return i;
+}
diff --git a/gr-noaa/lib/noaa_hrpt_decoder.h b/gr-noaa/lib/noaa_hrpt_decoder.h
new file mode 100644
index 0000000000..305243b09a
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_decoder.h
@@ -0,0 +1,47 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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 3, 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_NOAA_HRPT_DECODER_H
+#define INCLUDED_NOAA_HRPT_DECODER_H
+
+#include <gr_sync_block.h>
+
+class noaa_hrpt_decoder;
+typedef boost::shared_ptr<noaa_hrpt_decoder> noaa_hrpt_decoder_sptr;
+
+noaa_hrpt_decoder_sptr
+noaa_make_hrpt_decoder();
+
+class noaa_hrpt_decoder : public gr_sync_block
+{
+ friend noaa_hrpt_decoder_sptr noaa_make_hrpt_decoder();
+ noaa_hrpt_decoder();
+
+ unsigned int d_word_count;
+
+public:
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_NOAA_HRPT_DECODER_H */