- renamed preamble_sync to pocsag_decoder

git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@415 b431acfa-c32f-4a4a-93f1-934dc6c82436
2019-02-09 09:43:48 +00:00
parent cb8a024ef0
commit cd4f8ad51d
10 changed files with 34 additions and 34 deletions
@@ -0,0 +1,76 @@
+/* -*- c++ -*- */
+/* 
+ * Copyright 2019 Jay Arrowfield.
+ * 
+ * This 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.
+ * 
+ * This software 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 software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_JAY_POCSAG_DECODER_IMPL_H
+#define INCLUDED_JAY_POCSAG_DECODER_IMPL_H
+
+#include <jay/pocsag_decoder.h>
+#include "PocsagDecoder.hpp"
+
+namespace gr
+{
+namespace jay
+{
+
+class pocsag_decoder_impl : public pocsag_decoder
+{
+    private:
+	enum State
+	{
+		PreambleSlow = 0,
+		SyncSlow,
+		DataSlow,
+		PreambleFast,
+		SyncFast,
+		DataFast,
+		NUM_STATES
+		
+	};
+		
+	static const char *stateNames[NUM_STATES];
+	
+	State m_state;
+	State m_stateNext;
+	uint32_t m_word;
+	size_t m_wordCount;
+	size_t m_wordSize;
+	size_t m_dataCount;
+	uint8_t buffer[256];
+	size_t bufferWi;
+	
+	PocsagDecoder dec;
+	public:
+	pocsag_decoder_impl();
+    ~pocsag_decoder_impl();
+
+     // Where all the action really happens
+    void forecast (int noutput_items, gr_vector_int &ninput_items_required);
+
+    int general_work(int noutput_items,
+          gr_vector_int &ninput_items,
+          gr_vector_const_void_star &input_items,
+          gr_vector_void_star &output_items);
+    };
+
+} // namespace jay
+} // namespace gr
+
+#endif /* INCLUDED_JAY_POCSAG_DECODER_IMPL_H */
+