From d858f1402b4fb4e302d0b488eec0e4628b62296d Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Sun, 24 Feb 2013 19:44:25 -0500
Subject: blocks: removing throttle, threshold, stretch from gnuradio-core.
---
gnuradio-core/src/lib/general/gr_throttle.cc | 110 ---------------------------
1 file changed, 110 deletions(-)
delete mode 100644 gnuradio-core/src/lib/general/gr_throttle.cc
(limited to 'gnuradio-core/src/lib/general/gr_throttle.cc')
diff --git a/gnuradio-core/src/lib/general/gr_throttle.cc b/gnuradio-core/src/lib/general/gr_throttle.cc
deleted file mode 100644
index 1c6c8cf893..0000000000
--- a/gnuradio-core/src/lib/general/gr_throttle.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2005-2011 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 <gr_throttle.h>
-#include <gr_io_signature.h>
-#include <cstring>
-#include <boost/thread/thread.hpp>
-
-class gr_throttle_impl : public gr_throttle{
-public:
- gr_throttle_impl(size_t itemsize):
- gr_sync_block("throttle",
- gr_make_io_signature(1, 1, itemsize),
- gr_make_io_signature(1, 1, itemsize)),
- d_itemsize(itemsize)
- {
- /* NOP */
- }
-
- double sample_rate(){
- return d_samps_per_us*1e6;
- }
-
- void set_sample_rate(double rate){
- //changing the sample rate performs a reset of state params
- d_start = boost::get_system_time();
- d_total_samples = 0;
- d_samps_per_tick = rate/boost::posix_time::time_duration::ticks_per_second();
- d_samps_per_us = rate/1e6;
- }
-
- int work (
- int noutput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items
- ){
- //calculate the expected number of samples to have passed through
- boost::system_time now = boost::get_system_time();
- boost::int64_t ticks = (now - d_start).ticks();
- uint64_t expected_samps = uint64_t(d_samps_per_tick*ticks);
-
- //if the expected samples was less, we need to throttle back
- if (d_total_samples > expected_samps){
- boost::this_thread::sleep(boost::posix_time::microseconds(
- long((d_total_samples - expected_samps)/d_samps_per_us)
- ));
- }
-
- //copy all samples output[i] <= input[i]
- const char *in = (const char *) input_items[0];
- char *out = (char *) output_items[0];
- std::memcpy(out, in, noutput_items * d_itemsize);
- d_total_samples += noutput_items;
- return noutput_items;
- }
-
-private:
- boost::system_time d_start;
- size_t d_itemsize;
- uint64_t d_total_samples;
- double d_samps_per_tick, d_samps_per_us;
-
- void setup_rpc(){
-#ifdef GR_CTRLPORT
- d_rpc_vars.push_back(
- rpcbasic_sptr(new rpcbasic_register_get<gr_throttle_impl, double>(
- alias(), "sample_rate", &gr_throttle_impl::sample_rate,
- pmt::mp(0.0), pmt::mp(100.0e6), pmt::mp(0.0),
- "Hz", "Sample Rate", RPC_PRIVLVL_MIN,
- DISPTIME | DISPOPTSTRIP)));
- d_rpc_vars.push_back(
- rpcbasic_sptr(new rpcbasic_register_set<gr_throttle_impl, double>(
- alias(), "sample_rate", &gr_throttle_impl::set_sample_rate,
- pmt::mp(0.0), pmt::mp(100.0e6), pmt::mp(0.0),
- "Hz", "Sample Rate", RPC_PRIVLVL_MIN,
- DISPTIME | DISPOPTSTRIP)));
-#endif
- }
-};
-
-gr_throttle::sptr
-gr_make_throttle(size_t itemsize, double samples_per_sec)
-{
- gr_throttle::sptr throttle(new gr_throttle_impl(itemsize));
- throttle->set_sample_rate(samples_per_sec);
- return throttle;
-}
--
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