1 /* -*- c++ -*- */
2 /*
3  * Copyright 2004,2009,2010,2012,2015 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 
27 #include "add_const_ss_impl.h"
28 #include <gnuradio/io_signature.h>
29 
30 namespace gr {
31 namespace blocks {
32 
make(short k)33 add_const_ss::sptr add_const_ss::make(short k)
34 {
35     return gnuradio::get_initial_sptr(new add_const_ss_impl(k));
36 }
37 
add_const_ss_impl(short k)38 add_const_ss_impl::add_const_ss_impl(short k)
39     : sync_block("add_const_ss",
40                  io_signature::make(1, 1, sizeof(short)),
41                  io_signature::make(1, 1, sizeof(short))),
42       d_k(k)
43 {
44 }
45 
~add_const_ss_impl()46 add_const_ss_impl::~add_const_ss_impl() {}
47 
work(int noutput_items,gr_vector_const_void_star & input_items,gr_vector_void_star & output_items)48 int add_const_ss_impl::work(int noutput_items,
49                             gr_vector_const_void_star& input_items,
50                             gr_vector_void_star& output_items)
51 {
52     const short* iptr = (const short*)input_items[0];
53     short* optr = (short*)output_items[0];
54 
55     int size = noutput_items;
56 
57     while (size >= 8) {
58         *optr++ = *iptr++ + d_k;
59         *optr++ = *iptr++ + d_k;
60         *optr++ = *iptr++ + d_k;
61         *optr++ = *iptr++ + d_k;
62         *optr++ = *iptr++ + d_k;
63         *optr++ = *iptr++ + d_k;
64         *optr++ = *iptr++ + d_k;
65         *optr++ = *iptr++ + d_k;
66         size -= 8;
67     }
68 
69     while (size-- > 0) {
70         *optr++ = *iptr++ + d_k;
71     }
72 
73     return noutput_items;
74 }
75 
setup_rpc()76 void add_const_ss_impl::setup_rpc()
77 {
78 #ifdef GR_CTRLPORT
79     add_rpc_variable(rpcbasic_sptr(new rpcbasic_register_get<add_const_ss, short>(
80         alias(),
81         "Constant",
82         &add_const_ss::k,
83         pmt::from_long(-65536),
84         pmt::from_long(65535),
85         pmt::from_long(0),
86         "",
87         "Constant to add",
88         RPC_PRIVLVL_MIN,
89         DISPTIME | DISPOPTCPLX | DISPOPTSTRIP)));
90 
91     add_rpc_variable(rpcbasic_sptr(
92         new rpcbasic_register_set<add_const_ss, short>(alias(),
93                                                        "Constant",
94                                                        &add_const_ss::set_k,
95                                                        pmt::from_long(-65536),
96                                                        pmt::from_long(65535),
97                                                        pmt::from_long(0),
98                                                        "",
99                                                        "Constant to add",
100                                                        RPC_PRIVLVL_MIN,
101                                                        DISPNULL)));
102 #endif /* GR_CTRLPORT */
103 }
104 
105 } /* namespace blocks */
106 } /* namespace gr */
107