diff --git a/grc/CMakeLists.txt b/grc/CMakeLists.txt
index 94d4e32..cc90fda 100644
--- a/grc/CMakeLists.txt
+++ b/grc/CMakeLists.txt
@@ -31,5 +31,6 @@ install(FILES
satnogs_json_to_ecss_src.xml
satnogs_tcp_rigctl_msg_source.xml
satnogs_frame_encoder.xml
- satnogs_doppler_correction_cc.xml DESTINATION share/gnuradio/grc/blocks
+ satnogs_doppler_correction_cc.xml
+ satnogs_upsat_fsk_frame_acquisition.xml DESTINATION share/gnuradio/grc/blocks
)
diff --git a/grc/satnogs_upsat_fsk_frame_acquisition.xml b/grc/satnogs_upsat_fsk_frame_acquisition.xml
new file mode 100644
index 0000000..8c78be7
--- /dev/null
+++ b/grc/satnogs_upsat_fsk_frame_acquisition.xml
@@ -0,0 +1,38 @@
+
+
+ upsat_fsk_frame_acquisition
+ satnogs_upsat_fsk_frame_acquisition
+ satnogs
+ import satnogs
+ satnogs.upsat_fsk_frame_acquisition($&preamble, $&sync_word, $whitening, $manchester)
+
+
+ ...
+ ...
+ ...
+
+
+
+
+ in
+
+
+
+
+
+ out
+
+
+
diff --git a/include/satnogs/CMakeLists.txt b/include/satnogs/CMakeLists.txt
index 104307a..e11ed74 100644
--- a/include/satnogs/CMakeLists.txt
+++ b/include/satnogs/CMakeLists.txt
@@ -44,5 +44,6 @@ install(FILES
frame_encoder.h
doppler_correction_cc.h
doppler_fit.h
- freq_drift.h DESTINATION include/satnogs
+ freq_drift.h
+ upsat_fsk_frame_acquisition.h DESTINATION include/satnogs
)
diff --git a/include/satnogs/upsat_fsk_frame_acquisition.h b/include/satnogs/upsat_fsk_frame_acquisition.h
new file mode 100644
index 0000000..490ebcc
--- /dev/null
+++ b/include/satnogs/upsat_fsk_frame_acquisition.h
@@ -0,0 +1,66 @@
+/* -*- c++ -*- */
+/*
+ * gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
+ *
+ * Copyright (C) 2016, Libre Space Foundation
+ *
+ * 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 .
+ */
+
+#ifndef INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_H
+#define INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_H
+
+#include
+#include
+
+namespace gr
+{
+ namespace satnogs
+ {
+
+ /*!
+ * \brief This block takes samples after the Clock Recovery block
+ * and tries to extract frames. This is performed by searching for a
+ * known preamble. For the byte synchronization the block tries to
+ * search for the specified synchronization word that should be present
+ * before the start of the payload.
+ *
+ * \ingroup satnogs
+ *
+ */
+ class SATNOGS_API upsat_fsk_frame_acquisition : virtual public gr::sync_block
+ {
+ public:
+ typedef boost::shared_ptr sptr;
+
+ /*!
+ * Creates the FSK frame acquisition block for the UPSAT satellite.
+ * @param preamble the bytes that consist the preamble of the frame
+ * @param sync_word the byte synchronization word
+ * @param whitening true if the transmitted data have been processed by
+ * the whitening algorithm of the CC1120 chip. False otherwise.
+ * @param manchester true if the transmitted data have been processed by
+ * the Manchester algorithm of the CC1120 chip. False otherwise.
+ */
+ static sptr
+ make (const std::vector &preamble,
+ const std::vector &sync_word, bool whitening = false,
+ bool manchester = false);
+ };
+
+ } // namespace satnogs
+} // namespace gr
+
+#endif /* INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_H */
+
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index b8401cf..ada644d 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -42,7 +42,8 @@ list(APPEND satnogs_sources
doppler_correction_cc_impl.cc
frame_encoder_impl.cc
doppler_fit.cc
- freq_drift.cc )
+ freq_drift.cc
+ upsat_fsk_frame_acquisition_impl.cc )
set(satnogs_sources "${satnogs_sources}" PARENT_SCOPE)
if(NOT satnogs_sources)
diff --git a/lib/upsat_fsk_frame_acquisition_impl.cc b/lib/upsat_fsk_frame_acquisition_impl.cc
new file mode 100644
index 0000000..3527d24
--- /dev/null
+++ b/lib/upsat_fsk_frame_acquisition_impl.cc
@@ -0,0 +1,77 @@
+/* -*- c++ -*- */
+/*
+ * gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
+ *
+ * Copyright (C) 2016, Libre Space Foundation
+ *
+ * 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 .
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include
+#include "upsat_fsk_frame_acquisition_impl.h"
+
+namespace gr
+{
+ namespace satnogs
+ {
+
+ upsat_fsk_frame_acquisition::sptr
+ upsat_fsk_frame_acquisition::make (const std::vector &preamble,
+ const std::vector &sync_word,
+ bool whitening, bool manchester)
+ {
+ return gnuradio::get_initial_sptr (
+ new upsat_fsk_frame_acquisition_impl (preamble, sync_word, whitening,
+ manchester));
+ }
+
+ /*
+ * The private constructor
+ */
+ upsat_fsk_frame_acquisition_impl::upsat_fsk_frame_acquisition_impl (
+ const std::vector &preamble,
+ const std::vector &sync_word, bool whitening, bool manchester) :
+ gr::sync_block ("upsat_fsk_frame_acquisition",
+ gr::io_signature::make (1, 1, sizeof(float)),
+ gr::io_signature::make (0, 0, 0))
+ {
+ }
+
+ /*
+ * Our virtual destructor.
+ */
+ upsat_fsk_frame_acquisition_impl::~upsat_fsk_frame_acquisition_impl ()
+ {
+ }
+
+ int
+ upsat_fsk_frame_acquisition_impl::work (
+ int noutput_items, gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ const float *in = (const float *) input_items[0];
+
+ // Do <+signal processing+>
+
+ // Tell runtime system how many output items we produced.
+ return noutput_items;
+ }
+
+ } /* namespace satnogs */
+} /* namespace gr */
+
diff --git a/lib/upsat_fsk_frame_acquisition_impl.h b/lib/upsat_fsk_frame_acquisition_impl.h
new file mode 100644
index 0000000..df269c2
--- /dev/null
+++ b/lib/upsat_fsk_frame_acquisition_impl.h
@@ -0,0 +1,52 @@
+/* -*- c++ -*- */
+/*
+ * gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
+ *
+ * Copyright (C) 2016, Libre Space Foundation
+ *
+ * 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 .
+ */
+
+#ifndef INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_IMPL_H
+#define INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_IMPL_H
+
+#include
+
+namespace gr
+{
+ namespace satnogs
+ {
+
+ class upsat_fsk_frame_acquisition_impl : public upsat_fsk_frame_acquisition
+ {
+ private:
+ // Nothing to declare in this block.
+
+ public:
+ upsat_fsk_frame_acquisition_impl (const std::vector &preamble,
+ const std::vector &sync_word,
+ bool whitening, bool manchester);
+ ~upsat_fsk_frame_acquisition_impl ();
+
+ // Where all the action really happens
+ int
+ work (int noutput_items, gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } // namespace satnogs
+} // namespace gr
+
+#endif /* INCLUDED_SATNOGS_UPSAT_FSK_FRAME_ACQUISITION_IMPL_H */
+
diff --git a/swig/satnogs_swig.i b/swig/satnogs_swig.i
index 2b40315..fb2fba3 100644
--- a/swig/satnogs_swig.i
+++ b/swig/satnogs_swig.i
@@ -25,6 +25,7 @@
#include "satnogs/json_to_ecss_src.h"
#include "satnogs/doppler_correction_cc.h"
#include "satnogs/frame_encoder.h"
+#include "satnogs/upsat_fsk_frame_acquisition.h"
%}
@@ -59,3 +60,5 @@ GR_SWIG_BLOCK_MAGIC2(satnogs, json_to_ecss_src);
GR_SWIG_BLOCK_MAGIC2(satnogs, frame_encoder);
%include "satnogs/doppler_correction_cc.h"
GR_SWIG_BLOCK_MAGIC2(satnogs, doppler_correction_cc);
+%include "satnogs/upsat_fsk_frame_acquisition.h"
+GR_SWIG_BLOCK_MAGIC2(satnogs, upsat_fsk_frame_acquisition);