max-phase2-tdma

op25/gr-op25_repeater/grc/CMakeLists.txt

@@ -20,5 +20,6 @@ install(FILES
     op25_repeater_vocoder.xml
     op25_repeater_gardner_costas_cc.xml
     op25_repeater_p25_frame_assembler.xml
-    op25_repeater_fsk4_slicer_fb.xml DESTINATION share/gnuradio/grc/blocks
+    op25_repeater_fsk4_slicer_fb.xml
+    op25_repeater_p25p2_frame.xml DESTINATION share/gnuradio/grc/blocks
 )

op25/gr-op25_repeater/include/op25_repeater/CMakeLists.txt

@@ -25,5 +25,6 @@ install(FILES
     vocoder.h
     gardner_costas_cc.h
     p25_frame_assembler.h
-    fsk4_slicer_fb.h DESTINATION include/op25_repeater
+    fsk4_slicer_fb.h
+    p25p2_frame.h DESTINATION include/op25_repeater
 )

op25/gr-op25_repeater/lib/CMakeLists.txt

@@ -28,14 +28,23 @@ list(APPEND op25_repeater_sources
     vocoder_impl.cc
     gardner_costas_cc_impl.cc
     p25_frame_assembler_impl.cc
-    fsk4_slicer_fb_impl.cc )
+    fsk4_slicer_fb_impl.cc
+    p25p2_frame_impl.cc )
 
 list(APPEND op25_repeater_sources
     bch.cc
     rs.cc
     p25_framer.cc
+    p25p2_framer.cc
+    p25p2_isch.cc
+    p25p2_duid.cc
+    p25p2_sync.cc
+    p25p2_tdma.cc
+    p25p2_vf.cc
     imbe_decoder.cc
     software_imbe_decoder.cc
+    ambe.c
+    mbelib.c
 )
 
 add_library(gnuradio-op25_repeater SHARED ${op25_repeater_sources})

op25/gr-op25_repeater/lib/p25_frame_assembler_impl.cc

@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /* 
- * Copyright 2010, 2011, 2012, 2013 KA1RBI 
+ * Copyright 2010, 2011, 2012, 2013, 2014 Max H. Parke KA1RBI 
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

op25/gr-op25_repeater/lib/p25_frame_assembler_impl.h

@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /* 
- * Copyright 2009, 2010, 2011, 2012, 2013 KA1RBI
+ * Copyright 2009, 2010, 2011, 2012, 2013, 2014 Max H. Parke KA1RBI
  * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

op25/gr-op25_repeater/lib/rs.cc

@@ -458,6 +458,11 @@ CW = (CW ^ correction) >> 11;
 return CW;
 
 }
+uint32_t gly23127Dec (uint32_t CW) {
+	uint32_t correction = gly23127DecTbl[gly23127GetSyn(CW)];
+	CW = (CW ^ correction) >> 11;
+	return CW;
+}
 
 void ProcHDU(const_bit_vector A) {
 int i, j, k, ec;

op25/gr-op25_repeater/lib/rs.h

@@ -11,5 +11,7 @@ void ProcHDU(const_bit_vector A);
 void ProcTDU(const_bit_vector A);
 void ProcLDU1(const_bit_vector A);
 void ProcLDU2(const_bit_vector A);
+uint32_t gly24128Dec (uint32_t n) ;
+uint32_t gly23127Dec (uint32_t n) ;
 
 #endif

op25/gr-op25_repeater/lib/software_imbe_decoder.cc

@@ -926,6 +926,49 @@ software_imbe_decoder::decode_audio(uint8_t *A)
    tmp_f = Old; Old = New; New = tmp_f;
 }
 
+void
+software_imbe_decoder::decode_tap(int _L, int _K, float _w0, const int * _v, const float * _mu)
+{
+	int ell;
+	uint32_t ET;
+	float SE = 0, ER = 0;
+	int en, tmp_f;
+
+      L = _L;
+      int K = _K;
+      w0 = _w0;
+   for(ell = 1; ell <= L; ell++) {
+	vee[ell][ New] = _v[ell - 1];
+	Mu[ell][ New] = _mu[ell - 1];
+   }
+      // decode_spectral_amplitudes(Start3, Start8);
+      enhance_spectral_amplitudes(SE);
+      adaptive_smoothing(SE, ER, ET);
+
+      // (8000 samp/sec) * (1 sec / 50 compressed voice frames) = 160 samples/frame
+
+      //synth:
+      synth_unvoiced();// ToDo: make suv return value?
+      synth_voiced(); // ToDo: make sv return value?
+
+      //output:
+      audio_samples *samples = audio();
+      for(en = 0; en <= 159; en++) {
+         // The unvoiced samples are loud and the voiced are low...I don't know why.
+         // Most of the difference is compensated by removing the 146.6433 factor
+         // in the synth_unvoiced procedure.  The final tweak is done by raising the
+         // voiced samples:
+         float sample = suv[en] + sv[en] * 4; //balance v/uv loudness
+         if(abs((int)sample) > 32767) {
+            sample = 32767 * (sample < 0) ? -1 : 1; // * sgn(sample)
+         }
+         samples->push_back((short)sample);
+      }
+   OldL = L;
+   Oldw0 = w0;
+   tmp_f = Old; Old = New; New = tmp_f;
+}
+
 void
 software_imbe_decoder::decode_spectral_amplitudes(int Start3, int Start8)
 {

op25/gr-op25_repeater/lib/software_imbe_decoder.h

@@ -51,6 +51,7 @@ public:
 	 */
 	virtual void decode(const voice_codeword& cw);
 
+	void decode_tap(int _L, int _K, float _w0, const int * _v, const float * _mu);
 private:
 
 	//NOTE: Single-letter variable names are upper case only; Lower

op25/gr-op25_repeater/python/CMakeLists.txt

@@ -45,3 +45,4 @@ GR_ADD_TEST(qa_vocoder ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_vocod
 GR_ADD_TEST(qa_gardner_costas_cc ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_gardner_costas_cc.py)
 GR_ADD_TEST(qa_p25_frame_assembler ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_p25_frame_assembler.py)
 GR_ADD_TEST(qa_fsk4_slicer_fb ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_fsk4_slicer_fb.py)
+GR_ADD_TEST(qa_p25p2_frame ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/qa_p25p2_frame.py)

op25/gr-op25_repeater/swig/op25_repeater_swig.i

@@ -12,6 +12,7 @@
 #include "op25_repeater/gardner_costas_cc.h"
 #include "op25_repeater/p25_frame_assembler.h"
 #include "op25_repeater/fsk4_slicer_fb.h"
+#include "op25_repeater/p25p2_frame.h"
 %}
 
 %include "op25_repeater/vocoder.h"
@@ -24,3 +25,5 @@ GR_SWIG_BLOCK_MAGIC2(op25_repeater, p25_frame_assembler);
 
 %include "op25_repeater/fsk4_slicer_fb.h"
 GR_SWIG_BLOCK_MAGIC2(op25_repeater, fsk4_slicer_fb);
+%include "op25_repeater/p25p2_frame.h"
+GR_SWIG_BLOCK_MAGIC2(op25_repeater, p25p2_frame);