mirror of https://github.com/n7tae/tcd.git
nostar
3 years ago
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GitHub
commit
55279d7ba4
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/*
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* Copyright (c) 2023 by Thomas A. Early N7TAE
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <algorithm>
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#include <iostream>
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#include <fstream>
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#include <vector>
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#include <sstream>
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#include "Configure.h"
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// ini file keywords
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#define USRPTXGAIN "UsrpTxGain"
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#define USRPRXGAIN "UsrpRxGain"
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#define DMRGAININ "DmrYsfGainIn"
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#define DMRGAINOUT "DmrYsfGainOut"
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#define DSTARGAININ "DStarGainIn"
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#define DSTARGAINOUT "DStarGainOut"
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#define TRANSCODED "Transcoded"
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static inline void split(const std::string &s, char delim, std::vector<std::string> &v)
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{
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std::istringstream iss(s);
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std::string item;
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while (std::getline(iss, item, delim))
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v.push_back(item);
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}
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// trim from start (in place)
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static inline void ltrim(std::string &s) {
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s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](int ch) {
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return !std::isspace(ch);
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}));
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}
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// trim from end (in place)
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static inline void rtrim(std::string &s) {
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s.erase(std::find_if(s.rbegin(), s.rend(), [](int ch) {
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return !std::isspace(ch);
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}).base(), s.end());
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}
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// trim from both ends (in place)
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static inline void trim(std::string &s) {
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ltrim(s);
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rtrim(s);
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}
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bool CConfigure::ReadData(const std::string &path)
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// returns true on failure
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{
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std::string modstmp;
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std::ifstream cfgfile(path.c_str(), std::ifstream::in);
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if (! cfgfile.is_open()) {
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std::cerr << "ERROR: '" << path << "' was not found!" << std::endl;
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return true;
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}
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std::string line;
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while (std::getline(cfgfile, line))
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{
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trim(line);
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if (3 > line.size())
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continue; // can't be anything
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if ('#' == line.at(0))
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continue; // skip comments
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std::vector<std::string> tokens;
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split(line, '=', tokens);
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// check value for end-of-line comment
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if (2 > tokens.size())
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{
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std::cout << "WARNING: '" << line << "' does not contain an equal sign, skipping" << std::endl;
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continue;
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}
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auto pos = tokens[1].find('#');
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if (std::string::npos != pos)
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{
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tokens[1].assign(tokens[1].substr(0, pos));
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rtrim(tokens[1]); // whitespace between the value and the end-of-line comment
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}
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// trim whitespace from around the '='
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rtrim(tokens[0]);
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ltrim(tokens[1]);
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const std::string key(tokens[0]);
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const std::string value(tokens[1]);
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if (key.empty() || value.empty())
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{
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std::cout << "WARNING: missing key or value: '" << line << "'" << std::endl;
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continue;
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}
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if (0 == key.compare(TRANSCODED))
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modstmp.assign(value);
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else if (0 == key.compare(DSTARGAININ))
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dstar_in = getSigned(key, value);
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else if (0 == key.compare(DSTARGAINOUT))
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dstar_out = getSigned(key, value);
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else if (0 == key.compare(DMRGAININ))
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dmr_in = getSigned(key, value);
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else if (0 == key.compare(DMRGAINOUT))
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dmr_out = getSigned(key, value);
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else if (0 == key.compare(USRPTXGAIN))
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usrp_tx = getSigned(key, value);
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else if (0 == key.compare(USRPRXGAIN))
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usrp_rx = getSigned(key, value);
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else
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badParam(key);
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}
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cfgfile.close();
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for (auto c : modstmp)
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{
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if (isalpha(c))
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{
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if (islower(c))
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c = toupper(c);
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if (std::string::npos == tcmods.find(c))
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tcmods.append(1, c);
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}
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}
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if (tcmods.empty())
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{
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std::cerr << "ERROR: no identifable module letters in '" << modstmp << "'. Halt." << std::endl;
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return true;
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}
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std::cout << TRANSCODED << " = " << tcmods << std::endl;
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std::cout << DSTARGAININ << " = " << dstar_in << std::endl;
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std::cout << DSTARGAINOUT << " = " << dstar_out << std::endl;
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std::cout << DMRGAININ << " = " << dmr_in << std::endl;
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std::cout << DMRGAINOUT << " = " << dmr_out << std::endl;
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std::cout << USRPTXGAIN << " = " << usrp_tx << std::endl;
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std::cout << USRPRXGAIN << " = " << usrp_rx << std::endl;
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return false;
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}
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int CConfigure::getSigned(const std::string &key, const std::string &value) const
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{
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auto i = std::stoi(value.c_str());
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if (i < -24)
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{
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std::cout << "WARNING: " << key << " = " << value << " is too low. Limit to -24!" << std::endl;
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i = -24;
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}
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else if (i > 24)
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{
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std::cout << "WARNING: " << key << " = " << value << " is too high. Limit to 24!" << std::endl;
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i = 24;
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}
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return i;
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}
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void CConfigure::badParam(const std::string &key) const
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{
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std::cout << "WARNING: Unexpected parameter: '" << key << "'" << std::endl;
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}
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int CConfigure::GetGain(EGainType gt) const
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{
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switch (gt)
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{
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case EGainType::dmrin: return dmr_in;
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case EGainType::dmrout: return dmr_out;
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case EGainType::dstarin: return dstar_in;
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case EGainType::dstarout: return dstar_out;
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case EGainType::usrptx: return usrp_tx;
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case EGainType::usrprx: return usrp_rx;
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default: return 0;
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}
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}
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@ -0,0 +1,43 @@
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/*
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* Copyright (c) 2023 by Thomas A. Early N7TAE
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#pragma once
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#include <cstdint>
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#include <string>
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#include <regex>
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enum class EGainType { dmrin, dmrout, dstarin, dstarout, usrptx, usrprx };
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#define IS_TRUE(a) ((a)=='t' || (a)=='T' || (a)=='1')
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class CConfigure
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{
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public:
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bool ReadData(const std::string &path);
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int GetGain(EGainType gt) const;
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std::string GetTCMods(void) const { return tcmods; }
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private:
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// CFGDATA data;
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std::string tcmods;
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int dstar_in, dstar_out, dmr_in, dmr_out, usrp_tx, usrp_rx;
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int getSigned(const std::string &key, const std::string &value) const;
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void badParam(const std::string &key) const;
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};
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@ -0,0 +1,18 @@
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# Transcoder Ini file
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#
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# this is a comment
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# VERY IMPORTANT: This need to be idential to the same line in the urfd ini file!
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# This will either be a single module (for DVSI-3000), or
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# up to three modules (for DVSI-3003).
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Transcoded = A
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# All gain values are in dB.
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# Gain values are limited to -24 to +24. Typical values will usually be less.
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# Below are suggested values.
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DStarGainIn = 16
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DStarGainOut = -16
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DmrYsfGainIn = -3
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DmrYsfGainOut = 0
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UsrpTxGain = 12
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UsrpRxGain = -6
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@ -0,0 +1,9 @@
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# This is where the executable will be installed `make install`
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BINDIR = /usr/local/bin
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# set to true to build a transcoder that supports gdb
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debug = false
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# set to true to use the md-380 software vocoder
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# this will only work on an arm-based system, like a raspberry pi
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swambe2 = false
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