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/pccc_encoder_impl.cc | 99 +++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 gr-trellis/lib/pccc_encoder_impl.cc
(limited to 'gr-trellis/lib/pccc_encoder_impl.cc')
diff --git a/gr-trellis/lib/pccc_encoder_impl.cc b/gr-trellis/lib/pccc_encoder_impl.cc
new file mode 100644
index 0000000000..2804f4b39c
--- /dev/null
+++ b/gr-trellis/lib/pccc_encoder_impl.cc
@@ -0,0 +1,99 @@
+/* -*- 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 "pccc_encoder_impl.h"
+#include <gnuradio/io_signature.h>
+#include <iostream>
+
+namespace gr {
+ namespace trellis {
+
+ template <class IN_T, class OUT_T>
+ typename pccc_encoder<IN_T,OUT_T>::sptr
+ pccc_encoder<IN_T,OUT_T>::make(const fsm &FSM1, int ST1,
+ const fsm &FSM2, int ST2,
+ const interleaver &INTERLEAVER,
+ int blocklength)
+ {
+ return gnuradio::get_initial_sptr
+ (new pccc_encoder_impl<IN_T,OUT_T>(FSM1, ST1, FSM2, ST2, INTERLEAVER, blocklength));
+ }
+
+ template <class IN_T, class OUT_T>
+ pccc_encoder_impl<IN_T,OUT_T>::pccc_encoder_impl(const fsm &FSM1, int ST1,
+ const fsm &FSM2, int ST2,
+ const interleaver &INTERLEAVER,
+ int blocklength)
+ : sync_block("pccc_encoder<IN_T,OUT_T>",
+ io_signature::make(1, 1, sizeof(IN_T)),
+ io_signature::make(1, 1, sizeof(OUT_T))),
+ d_FSM1(FSM1), d_ST1(ST1),
+ d_FSM2(FSM2), d_ST2(ST2),
+ d_INTERLEAVER(INTERLEAVER),
+ d_blocklength(blocklength)
+ {
+ assert(d_FSM1.I() == d_FSM2.I());
+ this->set_output_multiple(d_blocklength);
+ d_buffer.resize(d_blocklength);
+ }
+
+ template <class IN_T, class OUT_T>
+ pccc_encoder_impl<IN_T,OUT_T>::~pccc_encoder_impl()
+ {
+ }
+
+ template <class IN_T, class OUT_T>
+ int
+ pccc_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 ST1_tmp = d_ST1;
+ int ST2_tmp = d_ST2;
+ for(int i = 0; i < d_blocklength; i++) {
+ int k = d_INTERLEAVER.INTER()[i];
+ int o1 = d_FSM1.OS()[ST1_tmp*d_FSM1.I()+in[i]];
+ ST1_tmp = (int) d_FSM1.NS()[ST1_tmp*d_FSM1.I()+in[i]];
+ int o2 = d_FSM2.OS()[ST2_tmp*d_FSM2.I()+in[k]];
+ ST2_tmp = (int) d_FSM2.NS()[ST2_tmp*d_FSM2.I()+in[k]];
+ out[i] = (OUT_T) (o1*d_FSM2.O() + o2);
+ }
+ }
+ return noutput_items;
+ }
+ template class pccc_encoder<std::uint8_t, std::uint8_t>;
+ template class pccc_encoder<std::uint8_t, std::int16_t>;
+ template class pccc_encoder<std::uint8_t, std::int32_t>;
+ template class pccc_encoder<std::int16_t, std::int16_t>;
+ template class pccc_encoder<std::int16_t, std::int32_t>;
+ template class pccc_encoder<std::int32_t, std::int32_t>;
+
+ } /* namespace trellis */
+} /* namespace gr */
--
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