3 * Copyright 2005 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
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)
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.
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.
27 #include <gr_fake_channel_coder_pp.h>
28 #include <gr_io_signature.h>
32 static const int PAD_VAL = 0xAA;
34 gr_fake_channel_encoder_pp_sptr
35 gr_make_fake_channel_encoder_pp(int input_vlen, int output_vlen)
37 return gr_fake_channel_encoder_pp_sptr(new gr_fake_channel_encoder_pp(input_vlen,
41 gr_fake_channel_encoder_pp::gr_fake_channel_encoder_pp(int input_vlen, int output_vlen)
42 : gr_sync_block("fake_channel_encoder_pp",
43 gr_make_io_signature(1, 1, input_vlen * sizeof(unsigned char)),
44 gr_make_io_signature(1, 1, output_vlen * sizeof(unsigned char))),
45 d_input_vlen(input_vlen), d_output_vlen(output_vlen)
47 if (input_vlen <= 0 || output_vlen <= 0 || input_vlen > output_vlen)
48 throw std::invalid_argument("gr_fake_channel_encoder_pp");
51 gr_fake_channel_encoder_pp::~gr_fake_channel_encoder_pp()
56 gr_fake_channel_encoder_pp::work (int noutput_items,
57 gr_vector_const_void_star &input_items,
58 gr_vector_void_star &output_items)
60 const unsigned char *in = (const unsigned char *) input_items[0];
61 unsigned char *out = (unsigned char *) output_items[0];
62 int npad = d_output_vlen - d_input_vlen;
64 for (int i = 0; i < noutput_items; i++){
65 memcpy(out, in, d_input_vlen);
66 memset(out + d_input_vlen, PAD_VAL, npad);
74 // ------------------------------------------------------------------------
76 gr_fake_channel_decoder_pp_sptr
77 gr_make_fake_channel_decoder_pp(int input_vlen, int output_vlen)
79 return gr_fake_channel_decoder_pp_sptr(new gr_fake_channel_decoder_pp(input_vlen,
83 gr_fake_channel_decoder_pp::gr_fake_channel_decoder_pp(int input_vlen, int output_vlen)
84 : gr_sync_block("fake_channel_decoder_pp",
85 gr_make_io_signature(1, 1, input_vlen * sizeof(unsigned char)),
86 gr_make_io_signature(1, 1, output_vlen * sizeof(unsigned char))),
87 d_input_vlen(input_vlen), d_output_vlen(output_vlen)
89 if (input_vlen <= 0 || output_vlen <= 0 || output_vlen > input_vlen)
90 throw std::invalid_argument("gr_fake_channel_decoder_pp");
93 gr_fake_channel_decoder_pp::~gr_fake_channel_decoder_pp()
98 gr_fake_channel_decoder_pp::work (int noutput_items,
99 gr_vector_const_void_star &input_items,
100 gr_vector_void_star &output_items)
102 const unsigned char *in = (const unsigned char *) input_items[0];
103 unsigned char *out = (unsigned char *) output_items[0];
105 for (int i = 0; i < noutput_items; i++){
106 memcpy(out, in, d_output_vlen);
108 out += d_output_vlen;
111 return noutput_items;