2016-12-26 01:31:38 +01:00
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/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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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, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "freqman.hpp"
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2017-02-03 15:10:27 +00:00
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#include <algorithm>
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2016-12-26 01:31:38 +01:00
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2022-09-11 16:07:47 +02:00
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using option_t = std::pair<std::string, int32_t>;
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using options_t = std::vector<option_t>;
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options_t freqman_entry_modulations = {
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{ "AM", 0 },
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{ "NFM", 1 },
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{ "WFM", 2 }
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};
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options_t freqman_entry_bandwidths[ 4 ] = {
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{ //AM
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2022-11-20 18:29:20 +01:00
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{ "DSB 9k" , 0 },
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{ "DSB 6k" , 1 },
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2022-11-20 17:44:11 +01:00
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{ "USB+3k" , 2 },
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{ "LSB-3k" , 3 },
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{ "CW" , 4 }
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2022-09-11 16:07:47 +02:00
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},
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{ //NFM
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{ "8k5" , 0 },
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{ "11k" , 1 },
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{ "16k" , 2 }
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},
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{ //WFM
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2022-10-18 21:26:14 +02:00
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{ "200k" , 0 },
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2023-05-10 13:26:21 +02:00
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{ "180k" , 1 },
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2023-05-11 22:45:32 +02:00
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{ " 40k" , 2 },
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2022-09-11 16:07:47 +02:00
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}
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};
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options_t freqman_entry_steps = {
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2023-05-10 13:26:21 +02:00
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{ "0.1kHz " , 100 },
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{ "1kHz " , 1000 },
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{ "5kHz (SA AM)" , 5000 },
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{ "6.25kHz(NFM)" , 6250 },
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{ "8.33kHz(AIR)" , 8330 },
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{ "9kHz (EU AM)" , 9000 },
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{ "10kHz(US AM)" , 10000 },
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{ "12.5kHz(NFM)" , 12500 },
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{ "15kHz (HFM)" , 15000 },
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{ "25kHz (N1)" , 25000 },
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{ "30kHz (OIRT)" , 30000 },
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{ "50kHz (FM1)" , 50000 },
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{ "100kHz (FM2)" , 100000 },
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{ "250kHz (N2)" , 250000 },
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{ "500kHz (WFM)" , 500000 },
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2022-09-11 16:07:47 +02:00
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{ "1MHz " , 1000000 }
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};
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options_t freqman_entry_steps_short = {
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2023-05-10 13:26:21 +02:00
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{ "0.1kHz" , 100 },
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{ "1kHz" , 1000 },
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{ "5kHz" , 5000 },
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{ "6.25kHz" , 6250 },
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{ "8.33kHz" , 8330 },
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{ "9kHz" , 9000 },
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{ "10kHz" , 10000 },
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{ "12.5kHz" , 12500 },
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{ "15kHz" , 15000 },
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{ "25kHz" , 25000 },
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{ "30kHz" , 30000 },
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{ "50kHz" , 50000 },
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{ "100kHz" , 100000 },
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{ "250kHz" , 250000 },
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{ "500kHz" , 500000 },
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2022-09-11 16:07:47 +02:00
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{ "1MHz" , 1000000 }
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};
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2017-06-22 09:08:37 +01:00
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std::vector<std::string> get_freqman_files() {
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2022-09-11 16:07:47 +02:00
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std::vector<std::string> file_list;
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auto files = scan_root_files(u"FREQMAN", u"*.TXT");
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for (auto file : files) {
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std::string file_name = file.stem().string();
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// don't propose tmp / hidden files in freqman's list
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if (file_name.length() && file_name[0] != '.') {
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file_list.emplace_back(file_name);
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}
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}
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return file_list;
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2017-06-22 09:08:37 +01:00
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};
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bool load_freqman_file(std::string& file_stem, freqman_db &db) {
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2022-09-11 16:07:47 +02:00
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return load_freqman_file_ex( file_stem , db , true , true , true );
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}
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bool load_freqman_file_ex(std::string& file_stem, freqman_db& db, bool load_freqs , bool load_ranges , bool load_hamradios ) {
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File freqman_file;
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size_t length, n = 0, file_position = 0;
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char * pos;
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char * line_start;
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char * line_end;
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std::string description;
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rf::Frequency frequency_a, frequency_b;
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char file_data[257];
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freqman_entry_type type;
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freqman_index_t modulation = 0 ;
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freqman_index_t bandwidth = 0 ;
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freqman_index_t step = 0 ;
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freqman_index_t tone = 0 ;
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db.clear();
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auto result = freqman_file.open("FREQMAN/" + file_stem + ".TXT");
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if (result.is_valid())
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return false;
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while (1) {
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// Read a 256 bytes block from file
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freqman_file.seek(file_position);
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memset(file_data, 0, 257);
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auto read_size = freqman_file.read(file_data, 256);
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if (read_size.is_error())
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return false; // Read error
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file_position += 256;
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// Reset line_start to beginning of buffer
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line_start = file_data;
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// Look for complete lines in buffer
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while ((line_end = strstr(line_start, "\x0A"))) {
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2023-05-12 11:48:32 -05:00
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*line_end = 0; // Stop strstr() searches below at EOL
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2022-09-11 16:07:47 +02:00
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modulation = -1 ;
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bandwidth = -1 ;
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step = -1 ;
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tone = -1 ;
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2023-05-12 11:48:32 -05:00
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type = ERROR_TYPE;
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2022-09-11 16:07:47 +02:00
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frequency_a = frequency_b = 0;
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// Read frequency
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pos = strstr(line_start, "f=");
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if(pos) {
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pos += 2;
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frequency_a = strtoll(pos, nullptr, 10);
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2023-05-12 11:48:32 -05:00
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type = SINGLE;
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2022-09-11 16:07:47 +02:00
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} else {
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// ...or range
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pos = strstr(line_start, "a=");
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if (pos) {
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pos += 2;
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frequency_a = strtoll(pos, nullptr, 10);
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type = RANGE;
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pos = strstr(line_start, "b=");
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if (pos) {
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pos += 2;
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frequency_b = strtoll(pos, nullptr, 10);
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} else
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frequency_b = 0;
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}else {
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// ... or hamradio
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pos = strstr(line_start, "r=");
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if (pos) {
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pos += 2;
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frequency_a = strtoll(pos, nullptr, 10);
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type = HAMRADIO;
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pos = strstr(line_start, "t=");
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if (pos) {
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pos += 2;
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frequency_b = strtoll(pos, nullptr, 10);
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} else
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frequency_b = frequency_a ;
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} else
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frequency_a = 0;
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}
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}
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// modulation if any
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pos = strstr(line_start, "m=");
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if (pos) {
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pos += 2;
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modulation = freqman_entry_get_modulation_from_str( pos );
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}
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// bandwidth if any
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pos = strstr(line_start, "bw=");
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if (pos) {
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pos += 3;
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bandwidth = freqman_entry_get_bandwidth_from_str( modulation , pos );
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}
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// step if any
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pos = strstr(line_start, "s=");
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if (pos) {
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pos += 2;
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step = freqman_entry_get_step_from_str_short( pos );
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}
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// ctcss tone if any
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/* disabled until better form
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pos = strstr(line_start, "c=");
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if (pos) {
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pos += 2;
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tone = tone_key_index_by_value( strtoll( pos , nullptr , 10 ) );
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} */
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// Read description until , or LF
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pos = strstr(line_start, "d=");
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if (pos) {
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pos += 2;
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length = std::min(strcspn(pos, ",\x0A"), (size_t)FREQMAN_DESC_MAX_LEN);
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description = string(pos, length);
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} else
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description = "-";
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if( (type == SINGLE && load_freqs) || (type == RANGE && load_ranges) || (type == HAMRADIO && load_hamradios) )
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{
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db.push_back({ frequency_a, frequency_b, description, type , modulation , bandwidth , step , tone });
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n++;
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2023-05-04 15:19:13 +02:00
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if (n > FREQMAN_MAX_PER_FILE) return true;
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2022-09-11 16:07:47 +02:00
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}
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line_start = line_end + 1;
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if (line_start - file_data >= 256) break;
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}
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if (read_size.value() != 256)
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break; // End of file
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// Restart at beginning of last incomplete line
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file_position -= (file_data + 256 - line_start);
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}
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/* populate implicitly specified modulation / bandwidth */
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if( db.size() > 2 )
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{
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modulation = db[ 0 ] . modulation;
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bandwidth = db[ 0 ] . bandwidth;
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for( unsigned int it = 1 ; it < db.size() ; it ++ )
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{
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if( db[ it ] . modulation < 0 )
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{
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db[ it ] . modulation = modulation ;
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}
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else
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{
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modulation = db[ it ] . modulation ;
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}
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if( db[ it ] . bandwidth < 0 )
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{
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db[ it ] . bandwidth = bandwidth ;
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}
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else
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{
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modulation = db[ it ] . bandwidth ;
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}
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}
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}
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return true;
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}
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bool get_freq_string( freqman_entry &entry , std::string &item_string )
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{
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rf::Frequency frequency_a, frequency_b;
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frequency_a = entry.frequency_a;
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if (entry.type == SINGLE) {
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// Single
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item_string = "f=" + to_string_dec_uint(frequency_a / 1000) + to_string_dec_uint(frequency_a % 1000UL, 3, '0');
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} else if( entry.type == RANGE ) {
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// Range
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frequency_b = entry.frequency_b;
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item_string = "a=" + to_string_dec_uint(frequency_a / 1000) + to_string_dec_uint(frequency_a % 1000UL, 3, '0');
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item_string += ",b=" + to_string_dec_uint(frequency_b / 1000) + to_string_dec_uint(frequency_b % 1000UL, 3, '0');
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if( entry.step >= 0 )
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{
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item_string += ",s=" + freqman_entry_get_step_string_short( entry.step );
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}
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} else if( entry.type == HAMRADIO ) {
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frequency_b = entry.frequency_b;
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item_string = "r=" + to_string_dec_uint(frequency_a / 1000) + to_string_dec_uint(frequency_a % 1000UL, 3, '0');
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item_string += ",t=" + to_string_dec_uint(frequency_b / 1000) + to_string_dec_uint(frequency_b % 1000UL, 3, '0');
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if( entry.tone >= 0 )
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{
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item_string += ",c=" + tone_key_string( entry.tone );
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}
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}
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if( entry.modulation >= 0 && (unsigned)entry.modulation < freqman_entry_modulations . size() )
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{
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item_string += ",m=" + freqman_entry_get_modulation_string( entry.modulation );
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if( entry.bandwidth >= 0 && (unsigned)entry.bandwidth < freqman_entry_bandwidths[ entry.modulation ] . size() )
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{
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item_string += ",bw=" + freqman_entry_get_bandwidth_string( entry.modulation , entry.bandwidth );
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}
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}
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if (entry.description.size())
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item_string += ",d=" + entry.description;
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return true ;
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}
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bool save_freqman_file(std::string &file_stem, freqman_db &db) {
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File freqman_file;
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std::string freq_file_path = "FREQMAN/" + file_stem + ".TXT";
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std::string tmp_freq_file_path = "FREQMAN/" + file_stem + ".TXT.TMP";
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if( !db.size() )
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{
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delete_file( "FREQMAN/"+file_stem+".TXT" );
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return true ;
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}
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delete_file( tmp_freq_file_path );
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auto result = freqman_file.open( tmp_freq_file_path );
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if ( !result.is_valid() ) {
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for (size_t n = 0; n < db.size(); n++) {
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std::string item_string;
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auto& entry = db[n];
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get_freq_string( entry , item_string );
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freqman_file.write_line( item_string );
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delete &item_string;
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}
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delete_file( freq_file_path );
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rename_file( tmp_freq_file_path , freq_file_path );
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return true;
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}
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return false ;
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2016-12-26 01:31:38 +01:00
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}
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2017-06-22 09:08:37 +01:00
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bool create_freqman_file(std::string& file_stem, File& freqman_file) {
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2022-09-11 16:07:47 +02:00
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auto result = freqman_file.create( "FREQMAN/" + file_stem + ".TXT" );
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if (result.is_valid())
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return false;
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return true;
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2017-01-10 18:40:33 +00:00
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}
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2017-06-22 09:08:37 +01:00
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std::string freqman_item_string(freqman_entry &entry, size_t max_length) {
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2022-09-11 16:07:47 +02:00
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std::string item_string;
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switch( entry.type ){
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case SINGLE:
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item_string = to_string_short_freq(entry.frequency_a) + "M: " + entry.description;
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break;
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case RANGE:
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item_string = "R: " + entry.description;
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break;
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case HAMRADIO:
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item_string = "H: " + entry.description;
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break;
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default:
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item_string = "!UNKNOW TYPE " + entry.description;
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break;
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}
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if (item_string.size() > max_length)
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return item_string.substr(0, max_length - 3) + "...";
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return item_string;
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}
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void freqman_set_modulation_option( OptionsField &option )
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{
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option.set_options( freqman_entry_modulations );
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}
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void freqman_set_bandwidth_option( freqman_index_t modulation , OptionsField &option )
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{
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option.set_options( freqman_entry_bandwidths[ modulation ] );
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}
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void freqman_set_step_option( OptionsField &option )
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{
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option.set_options( freqman_entry_steps );
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}
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void freqman_set_step_option_short( OptionsField &option )
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{
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option.set_options( freqman_entry_steps_short );
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}
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std::string freqman_entry_get_modulation_string( freqman_index_t modulation )
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{
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if( modulation < 0 || (unsigned)modulation >= freqman_entry_modulations . size() )
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{
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return std::string( "" ); // unknown modulation
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}
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return freqman_entry_modulations[ modulation ] . first ;
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}
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std::string freqman_entry_get_bandwidth_string( freqman_index_t modulation , freqman_index_t bandwidth )
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{
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if( modulation < 0 || (unsigned)modulation >= freqman_entry_modulations . size() )
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{
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return std::string( "" ); // unknown modulation
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}
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if( bandwidth < 0 || (unsigned)bandwidth > freqman_entry_bandwidths[ modulation ] . size() )
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{
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return std::string( "" ); // unknown modulation
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}
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return freqman_entry_bandwidths[ modulation ][ bandwidth ] . first ;
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}
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std::string freqman_entry_get_step_string( freqman_index_t step )
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|
{
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|
if( step < 0 || (unsigned)step >= freqman_entry_steps . size() )
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|
|
|
{
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|
return std::string( "" ); // unknown modulation
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|
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|
}
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|
|
|
return freqman_entry_steps[ step ] . first ;
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}
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std::string freqman_entry_get_step_string_short( freqman_index_t step )
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|
|
|
{
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|
if( step < 0 || (unsigned)step >= freqman_entry_steps_short . size() )
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|
|
{
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|
|
return std::string( "" ); // unknown modulation
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|
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|
}
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|
|
return freqman_entry_steps_short[ step ] . first ;
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|
}
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int32_t freqman_entry_get_modulation_value( freqman_index_t modulation )
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|
|
{
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|
|
if( modulation < 0 || (unsigned)modulation >= freqman_entry_modulations . size() )
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|
|
|
{
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|
|
|
return -1 ; // unknown modulation
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|
|
|
}
|
|
|
|
return freqman_entry_modulations[ modulation ] . second ;
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|
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|
}
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int32_t freqman_entry_get_bandwidth_value( freqman_index_t modulation , freqman_index_t bandwidth )
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|
|
|
{
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|
|
|
if( modulation < 0 || (unsigned)modulation >= freqman_entry_modulations . size() )
|
|
|
|
{
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|
|
|
return -1 ; // unknown modulation
|
|
|
|
}
|
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|
|
if( bandwidth < 0 || (unsigned)bandwidth > freqman_entry_bandwidths[ modulation ] . size() )
|
|
|
|
{
|
|
|
|
return -1 ; // unknown bandwidth for modulation
|
|
|
|
}
|
|
|
|
return freqman_entry_bandwidths[ modulation ][ bandwidth ] . second ;
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|
|
|
}
|
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|
int32_t freqman_entry_get_step_value( freqman_index_t step )
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|
|
|
{
|
|
|
|
if( step < 0 || (unsigned)step >= freqman_entry_steps . size() )
|
|
|
|
{
|
|
|
|
return -1 ; // unknown modulation
|
|
|
|
}
|
|
|
|
return freqman_entry_steps[ step ] . second ;
|
|
|
|
}
|
|
|
|
|
|
|
|
freqman_index_t freqman_entry_get_modulation_from_str( char *str )
|
|
|
|
{
|
|
|
|
if( !str )
|
|
|
|
return -1 ;
|
|
|
|
for( freqman_index_t index = 0 ; (unsigned)index < freqman_entry_modulations . size() ; index ++ )
|
|
|
|
{
|
|
|
|
if( strncmp( freqman_entry_modulations[ index ] . first . c_str() , str , freqman_entry_modulations[ index ] . first . size() ) == 0 )
|
|
|
|
return index ;
|
|
|
|
}
|
|
|
|
return -1 ;
|
|
|
|
}
|
|
|
|
|
|
|
|
freqman_index_t freqman_entry_get_bandwidth_from_str( freqman_index_t modulation , char *str )
|
|
|
|
{
|
|
|
|
if( !str )
|
|
|
|
return -1 ;
|
|
|
|
if( modulation < 0 || (unsigned)modulation >= freqman_entry_modulations . size() )
|
|
|
|
return -1 ;
|
|
|
|
for( freqman_index_t index = 0 ; (unsigned)index < freqman_entry_bandwidths[ modulation ] . size() ; index ++ )
|
|
|
|
{
|
|
|
|
if( strncmp( freqman_entry_bandwidths[ modulation ][ index ] . first . c_str() , str , freqman_entry_bandwidths[ modulation ][ index ] . first . size() ) == 0 )
|
|
|
|
return index ;
|
|
|
|
}
|
|
|
|
return -1 ;
|
|
|
|
}
|
|
|
|
|
|
|
|
freqman_index_t freqman_entry_get_step_from_str( char *str )
|
|
|
|
{
|
|
|
|
if( !str )
|
|
|
|
return -1 ;
|
|
|
|
for( freqman_index_t index = 0 ; (unsigned)index < freqman_entry_steps . size() ; index ++ )
|
|
|
|
{
|
|
|
|
if( strncmp( freqman_entry_steps[ index ] . first . c_str() , str , freqman_entry_steps[ index ] . first . size() ) == 0 )
|
|
|
|
return index ;
|
|
|
|
}
|
|
|
|
return -1 ;
|
|
|
|
}
|
|
|
|
|
|
|
|
freqman_index_t freqman_entry_get_step_from_str_short( char *str )
|
|
|
|
{
|
|
|
|
if( !str )
|
|
|
|
return -1 ;
|
|
|
|
for( freqman_index_t index = 0 ; (unsigned)index < freqman_entry_steps_short . size() ; index ++ )
|
|
|
|
{
|
|
|
|
if( strncmp( freqman_entry_steps_short[ index ] . first . c_str() , str , freqman_entry_steps_short[ index ] . first . size() ) == 0 )
|
|
|
|
return index ;
|
|
|
|
}
|
|
|
|
return -1 ;
|
2016-12-26 01:31:38 +01:00
|
|
|
}
|