From 97ba0b074f4ecc1cc78b5d1902c5e2458b4b5c5a Mon Sep 17 00:00:00 2001
From: Andrej Rode <mail@andrejro.de>
Date: Mon, 20 Aug 2018 13:58:33 +0200
Subject: trellis: replace gengen with C++ templates
---
gr-trellis/lib/sccc_encoder_impl.cc | 101 ++++++++++++++++++++++++++++++++++++
1 file changed, 101 insertions(+)
create mode 100644 gr-trellis/lib/sccc_encoder_impl.cc
(limited to 'gr-trellis/lib/sccc_encoder_impl.cc')
diff --git a/gr-trellis/lib/sccc_encoder_impl.cc b/gr-trellis/lib/sccc_encoder_impl.cc
new file mode 100644
index 0000000000..9c3e1da2d5
--- /dev/null
+++ b/gr-trellis/lib/sccc_encoder_impl.cc
@@ -0,0 +1,101 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2010,2012,2018 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 "sccc_encoder_impl.h"
+#include <gnuradio/io_signature.h>
+#include <iostream>
+
+namespace gr {
+ namespace trellis {
+
+ template <class IN_T, class OUT_T>
+ typename sccc_encoder<IN_T,OUT_T>::sptr
+ sccc_encoder<IN_T,OUT_T>::make(const fsm &FSMo, int STo,
+ const fsm &FSMi, int STi,
+ const interleaver &INTERLEAVER,
+ int blocklength)
+ {
+ return gnuradio::get_initial_sptr
+ (new sccc_encoder_impl<IN_T,OUT_T>(FSMo, STo, FSMi, STi, INTERLEAVER, blocklength));
+ }
+
+ template <class IN_T, class OUT_T>
+ sccc_encoder_impl<IN_T,OUT_T>::sccc_encoder_impl(const fsm &FSMo, int STo,
+ const fsm &FSMi, int STi,
+ const interleaver &INTERLEAVER,
+ int blocklength)
+ : sync_block("sccc_encoder<IN_T,OUT_T>",
+ io_signature::make(1, 1, sizeof(IN_T)),
+ io_signature::make(1, 1, sizeof(OUT_T))),
+ d_FSMo(FSMo), d_STo(STo),
+ d_FSMi(FSMi), d_STi(STi),
+ d_INTERLEAVER(INTERLEAVER),
+ d_blocklength(blocklength)
+ {
+ this->set_output_multiple(d_blocklength);
+ d_buffer.resize(d_blocklength);
+ }
+
+ template <class IN_T, class OUT_T>
+ sccc_encoder_impl<IN_T,OUT_T>::~sccc_encoder_impl()
+ {
+ }
+
+ template <class IN_T, class OUT_T>
+ int
+ sccc_encoder_impl<IN_T,OUT_T>::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ for(int b = 0; b < noutput_items/d_blocklength; b++) {
+ const IN_T *in = (const IN_T*)input_items[0]+b*d_blocklength;
+ OUT_T *out = (OUT_T*)output_items[0]+b*d_blocklength;
+
+ int STo_tmp = d_STo;
+ for(int i = 0; i < d_blocklength; i++) {
+ d_buffer[i] = d_FSMo.OS()[STo_tmp*d_FSMo.I()+in[i]];
+ STo_tmp = (int) d_FSMo.NS()[STo_tmp*d_FSMo.I()+in[i]];
+ }
+
+ int STi_tmp = d_STi;
+ for(int i = 0; i < d_blocklength; i++) {
+ int k = d_INTERLEAVER.INTER()[i];
+ out[i] = (OUT_T) d_FSMi.OS()[STi_tmp*d_FSMi.I()+d_buffer[k]];
+ STi_tmp = (int) d_FSMi.NS()[STi_tmp*d_FSMi.I()+d_buffer[k]];
+ }
+ }
+ return noutput_items;
+ }
+ template class sccc_encoder<std::uint8_t, std::uint8_t>;
+ template class sccc_encoder<std::uint8_t, std::int16_t>;
+ template class sccc_encoder<std::uint8_t, std::int32_t>;
+ template class sccc_encoder<std::int16_t, std::int16_t>;
+ template class sccc_encoder<std::int16_t, std::int32_t>;
+ template class sccc_encoder<std::int32_t, std::int32_t>;
+
+
+ } /* namespace trellis */
+} /* namespace gr */
--
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