mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-10 07:06:34 -04:00
81 lines
3.6 KiB
C++
81 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2021 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
|
|
// //
|
|
// This program 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 as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program 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 V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
/*
|
|
LDPC modulations handler
|
|
|
|
Copyright 2018 Ahmet Inan <xdsopl@gmail.com>
|
|
*/
|
|
|
|
#include <cstring>
|
|
#include <cmath>
|
|
#include <algorithm>
|
|
#include "psk.h"
|
|
#include "qam.h"
|
|
#include "modulation.h"
|
|
#include "testbench.h"
|
|
|
|
using namespace ldpctool;
|
|
|
|
template <typename TYPE, typename CODE>
|
|
constexpr typename TYPE::value_type PhaseShiftKeying<4, TYPE, CODE>::rcp_sqrt_2;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr TYPE PhaseShiftKeying<8, TYPE, CODE>::rot_acw;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr TYPE PhaseShiftKeying<8, TYPE, CODE>::rot_cw;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr typename TYPE::value_type QuadratureAmplitudeModulation<16, TYPE, CODE>::AMP;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr typename TYPE::value_type QuadratureAmplitudeModulation<64, TYPE, CODE>::AMP;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr typename TYPE::value_type QuadratureAmplitudeModulation<256, TYPE, CODE>::AMP;
|
|
template <typename TYPE, typename CODE>
|
|
constexpr typename TYPE::value_type QuadratureAmplitudeModulation<1024, TYPE, CODE>::AMP;
|
|
|
|
template <int LEN>
|
|
ModulationInterface<complex_type, code_type> *create_modulation(char *name)
|
|
{
|
|
if (!strcmp(name, "BPSK"))
|
|
return new Modulation<PhaseShiftKeying<2, complex_type, code_type>, LEN>();
|
|
if (!strcmp(name, "QPSK"))
|
|
return new Modulation<PhaseShiftKeying<4, complex_type, code_type>, LEN / 2>();
|
|
if (!strcmp(name, "8PSK"))
|
|
return new Modulation<PhaseShiftKeying<8, complex_type, code_type>, LEN / 3>();
|
|
if (!strcmp(name, "QAM16"))
|
|
return new Modulation<QuadratureAmplitudeModulation<16, complex_type, code_type>, LEN / 4>();
|
|
if (!strcmp(name, "QAM64"))
|
|
return new Modulation<QuadratureAmplitudeModulation<64, complex_type, code_type>, LEN / 6>();
|
|
if (!strcmp(name, "QAM256"))
|
|
return new Modulation<QuadratureAmplitudeModulation<256, complex_type, code_type>, LEN / 8>();
|
|
if (!strcmp(name, "QAM1024"))
|
|
return new Modulation<QuadratureAmplitudeModulation<1024, complex_type, code_type>, LEN / 10>();
|
|
return 0;
|
|
}
|
|
|
|
ModulationInterface<complex_type, code_type> *create_modulation(char *name, int len)
|
|
{
|
|
switch (len) {
|
|
case 16200:
|
|
return create_modulation<16200>(name);
|
|
case 32400:
|
|
return create_modulation<32400>(name);
|
|
case 64800:
|
|
return create_modulation<64800>(name);
|
|
}
|
|
return 0;
|
|
}
|
|
|