root / gnuradio-core / src / lib / general / gr_probe_signal_f.cc @ fe2e6f80
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| 1 | /* -*- c++ -*- */
|
|---|---|
| 2 | /*
|
| 3 | * Copyright 2005,2010 Free Software Foundation, Inc. |
| 4 | * |
| 5 | * This file is part of GNU Radio |
| 6 | * |
| 7 | * GNU Radio is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 3, or (at your option) |
| 10 | * any later version. |
| 11 | * |
| 12 | * GNU Radio is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with GNU Radio; see the file COPYING. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_CONFIG_H
|
| 24 | #include "config.h" |
| 25 | #endif
|
| 26 | #include <gr_probe_signal_f.h> |
| 27 | #include <gr_io_signature.h> |
| 28 | |
| 29 | gr_probe_signal_f_sptr |
| 30 | gr_make_probe_signal_f() |
| 31 | {
|
| 32 | return gnuradio::get_initial_sptr(new gr_probe_signal_f()); |
| 33 | } |
| 34 | |
| 35 | gr_probe_signal_f::gr_probe_signal_f () |
| 36 | : gr_sync_block ("probe_signal_f",
|
| 37 | gr_make_io_signature(1, 1, sizeof(float)), |
| 38 | gr_make_io_signature(0, 0, 0)), |
| 39 | d_level(0)
|
| 40 | {
|
| 41 | } |
| 42 | |
| 43 | gr_probe_signal_f::~gr_probe_signal_f() |
| 44 | {
|
| 45 | } |
| 46 | |
| 47 | |
| 48 | int
|
| 49 | gr_probe_signal_f::work(int noutput_items,
|
| 50 | gr_vector_const_void_star &input_items, |
| 51 | gr_vector_void_star &output_items) |
| 52 | {
|
| 53 | const float *in = (const float *) input_items[0]; |
| 54 | |
| 55 | if (noutput_items > 0) |
| 56 | d_level = in[noutput_items-1];
|
| 57 | |
| 58 | return noutput_items;
|
| 59 | } |
| 60 |