mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-13 19:54:39 +00:00
de81156223
* Advanced draft decim /4 just waterfall ok * apply some Kall's corrections + formatting * Tidy up both decim_factors * New refine optimizations * Format issues * more format issues ...mmmm * comments update * WIP Cleanup * WIP * WIP - add variant * Use std::visit to dispatch MultiDecimator -- fluent API * Clean up comments * Merge next and fix compilation * Fix odd loop in BlockDecimator * Clean up spectrum math * Descibe spectrum update math better, more clear math. * Apply spectrum interval correction at 1.5M * Increase replay buffer to handle x4 ovs --------- Co-authored-by: Brumi-2021 <ea3hqj@gmail.com>
539 lines
16 KiB
C++
539 lines
16 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
* Copyright (C) 2016 Furrtek
|
|
* Copyright (C) 2023 gullradriel, Nilorea Studio Inc.
|
|
* Copyright (C) 2023 Kyle Reed
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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; either version 2, 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "convert.hpp"
|
|
#include "file.hpp"
|
|
#include "file_reader.hpp"
|
|
#include "freqman_db.hpp"
|
|
#include "string_format.hpp"
|
|
#include "tone_key.hpp"
|
|
#include "utility.hpp"
|
|
|
|
#include <array>
|
|
#include <cctype>
|
|
#include <string_view>
|
|
#include <vector>
|
|
|
|
namespace fs = std::filesystem;
|
|
|
|
const std::filesystem::path freqman_dir{u"/FREQMAN"};
|
|
const std::filesystem::path freqman_extension{u".TXT"};
|
|
|
|
// NB: Don't include UI headers to keep this code unit testable.
|
|
using option_t = std::pair<std::string, int32_t>;
|
|
using options_t = std::vector<option_t>;
|
|
|
|
options_t freqman_modulations = {
|
|
{"AM", 0},
|
|
{"NFM", 1},
|
|
{"WFM", 2},
|
|
{"SPEC", 3},
|
|
};
|
|
|
|
options_t freqman_bandwidths[4] = {
|
|
{
|
|
// AM
|
|
{"DSB 9k", 0},
|
|
{"DSB 6k", 1},
|
|
{"USB+3k", 2},
|
|
{"LSB-3k", 3},
|
|
{"CW", 4},
|
|
},
|
|
{
|
|
// NFM
|
|
{"8k5", 0},
|
|
{"11k", 1},
|
|
{"16k", 2},
|
|
},
|
|
{
|
|
// WFM
|
|
{"40k", 2},
|
|
{"180k", 1},
|
|
{"200k", 0},
|
|
},
|
|
{
|
|
// SPEC -- TODO: these should be indexes.
|
|
{"12k5", 12500},
|
|
{"16k", 16000},
|
|
{"25k", 25000},
|
|
{"32k", 32000},
|
|
{"50k", 50000},
|
|
{"75k", 75000},
|
|
{"100k", 100000},
|
|
{"150k", 150000},
|
|
{"250k", 250000},
|
|
{"500k", 500000},
|
|
{"600k", 600000},
|
|
{"750k", 750000},
|
|
{"1000k", 1000000}, // Max bandwith for recording in C16 (with fast SD card).
|
|
{"1250k", 1250000},
|
|
{"1500k", 1500000},
|
|
{"1750k", 1750000},
|
|
{"2000k", 2000000},
|
|
{"2250k", 2250000}, // Max bandwith for recording in C8 (with fast SD card).
|
|
{"2500k", 2500000}, // Here and up, LCD is ok, but M4 CPU drops samples.
|
|
{"3000k", 3000000},
|
|
{"3500k", 3500000},
|
|
{"4000k", 4000000},
|
|
{"4500k", 4500000},
|
|
{"5000k", 5500000},
|
|
{"5500k", 5500000}, // Max capture, needs /4 decimation, (22Mhz sampling ADC).
|
|
},
|
|
};
|
|
|
|
// TODO: these should be indexes.
|
|
options_t freqman_steps = {
|
|
{"0.1kHz ", 100},
|
|
{"1kHz ", 1000},
|
|
{"5kHz (SA AM)", 5000},
|
|
{"6.25kHz(NFM)", 6250},
|
|
{"8.33kHz(AIR)", 8330},
|
|
{"9kHz (EU AM)", 9000},
|
|
{"10kHz(US AM)", 10000},
|
|
{"12.5kHz(NFM)", 12500},
|
|
{"15kHz (HFM)", 15000},
|
|
{"25kHz (N1)", 25000},
|
|
{"30kHz (OIRT)", 30000},
|
|
{"50kHz (FM1)", 50000},
|
|
{"100kHz (FM2)", 100000},
|
|
{"250kHz (N2)", 250000},
|
|
{"500kHz (WFM)", 500000},
|
|
{"1MHz ", 1000000},
|
|
};
|
|
|
|
// TODO: these should be indexes.
|
|
options_t freqman_steps_short = {
|
|
{"0.1kHz", 100},
|
|
{"1kHz", 1000},
|
|
{"5kHz", 5000},
|
|
{"6.25kHz", 6250},
|
|
{"8.33kHz", 8330},
|
|
{"9kHz", 9000},
|
|
{"10kHz", 10000},
|
|
{"12.5kHz", 12500},
|
|
{"15kHz", 15000},
|
|
{"25kHz", 25000},
|
|
{"30kHz", 30000},
|
|
{"50kHz", 50000},
|
|
{"100kHz", 100000},
|
|
{"250kHz", 250000},
|
|
{"500kHz", 500000},
|
|
{"1MHz", 1000000},
|
|
};
|
|
|
|
uint8_t find_by_name(const options_t& options, std::string_view name) {
|
|
for (auto ix = 0u; ix < options.size(); ++ix)
|
|
if (options[ix].first == name)
|
|
return ix;
|
|
|
|
return freqman_invalid_index;
|
|
}
|
|
|
|
const option_t* find_by_index(const options_t& options, freqman_index_t index) {
|
|
if (index < options.size())
|
|
return &options[index];
|
|
else
|
|
return nullptr;
|
|
}
|
|
|
|
/* Impl for next round of changes.
|
|
*template <typename T, size_t N>
|
|
*const T* find_by_name(const std::array<T, N>& info, std::string_view name) {
|
|
* for (const auto& it : info) {
|
|
* if (it.name == name)
|
|
* return ⁢
|
|
* }
|
|
*
|
|
* return nullptr;
|
|
*}
|
|
*/
|
|
|
|
bool operator==(const freqman_entry& lhs, const freqman_entry& rhs) {
|
|
auto equal = lhs.type == rhs.type &&
|
|
lhs.frequency_a == rhs.frequency_a &&
|
|
lhs.description == rhs.description &&
|
|
lhs.modulation == rhs.modulation &&
|
|
lhs.bandwidth == rhs.bandwidth;
|
|
|
|
if (!equal)
|
|
return false;
|
|
|
|
if (lhs.type == freqman_type::Range) {
|
|
equal = lhs.frequency_b == rhs.frequency_b &&
|
|
lhs.step == rhs.step;
|
|
} else if (lhs.type == freqman_type::HamRadio) {
|
|
equal = lhs.frequency_b == rhs.frequency_b &&
|
|
lhs.tone == rhs.tone;
|
|
}
|
|
|
|
return equal;
|
|
}
|
|
|
|
std::string freqman_entry_get_modulation_string(freqman_index_t modulation) {
|
|
if (auto opt = find_by_index(freqman_modulations, modulation))
|
|
return opt->first;
|
|
return {};
|
|
}
|
|
|
|
std::string freqman_entry_get_bandwidth_string(freqman_index_t modulation, freqman_index_t bandwidth) {
|
|
if (modulation < freqman_modulations.size()) {
|
|
if (auto opt = find_by_index(freqman_bandwidths[modulation], bandwidth))
|
|
return opt->first;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
std::string freqman_entry_get_step_string(freqman_index_t step) {
|
|
if (auto opt = find_by_index(freqman_steps, step))
|
|
return opt->first;
|
|
return {};
|
|
}
|
|
|
|
std::string freqman_entry_get_step_string_short(freqman_index_t step) {
|
|
if (auto opt = find_by_index(freqman_steps_short, step))
|
|
return opt->first;
|
|
return {};
|
|
}
|
|
|
|
const std::filesystem::path get_freqman_path(const std::string& stem) {
|
|
return freqman_dir / stem + freqman_extension;
|
|
}
|
|
|
|
bool create_freqman_file(const std::string& file_stem) {
|
|
auto fs_error = make_new_file(get_freqman_path(file_stem));
|
|
return fs_error.ok();
|
|
}
|
|
|
|
bool load_freqman_file(const std::string& file_stem, freqman_db& db, freqman_load_options options) {
|
|
return parse_freqman_file(get_freqman_path(file_stem), db, options);
|
|
}
|
|
|
|
void delete_freqman_file(const std::string& file_stem) {
|
|
delete_file(get_freqman_path(file_stem));
|
|
}
|
|
|
|
std::string pretty_string(const freqman_entry& entry, size_t max_length) {
|
|
std::string str;
|
|
|
|
switch (entry.type) {
|
|
case freqman_type::Single:
|
|
str = to_string_short_freq(entry.frequency_a) + "M: " + entry.description;
|
|
break;
|
|
case freqman_type::Range:
|
|
str = to_string_rounded_freq(entry.frequency_a, 1) + "M-" +
|
|
to_string_rounded_freq(entry.frequency_b, 1) + "M: " + entry.description;
|
|
break;
|
|
case freqman_type::HamRadio:
|
|
str = "R:" + to_string_rounded_freq(entry.frequency_a, 1) + "M,T:" +
|
|
to_string_rounded_freq(entry.frequency_b, 1) + "M: " + entry.description;
|
|
break;
|
|
case freqman_type::Raw:
|
|
str = entry.description;
|
|
break;
|
|
default:
|
|
str = "UNK:" + entry.description;
|
|
break;
|
|
}
|
|
|
|
// Truncate. '+' indicates if string has been truncated.
|
|
if (str.size() > max_length)
|
|
return str.substr(0, max_length - 1) + "+";
|
|
|
|
return str;
|
|
}
|
|
|
|
std::string to_freqman_string(const freqman_entry& entry) {
|
|
std::string serialized;
|
|
serialized.reserve(0x80);
|
|
|
|
// Append a key=value to the string.
|
|
auto append_field = [&serialized](std::string_view name, std::string_view value) {
|
|
if (!serialized.empty())
|
|
serialized += ",";
|
|
serialized += std::string{name} + "=" + std::string{value};
|
|
};
|
|
|
|
switch (entry.type) {
|
|
case freqman_type::Single:
|
|
append_field("f", to_string_dec_uint(entry.frequency_a));
|
|
break;
|
|
case freqman_type::Range:
|
|
append_field("a", to_string_dec_uint(entry.frequency_a));
|
|
append_field("b", to_string_dec_uint(entry.frequency_b));
|
|
|
|
if (is_valid(entry.step))
|
|
append_field("s", freqman_entry_get_step_string_short(entry.step));
|
|
break;
|
|
case freqman_type::HamRadio:
|
|
append_field("r", to_string_dec_uint(entry.frequency_a));
|
|
append_field("t", to_string_dec_uint(entry.frequency_b));
|
|
|
|
if (is_valid(entry.tone))
|
|
append_field("c", tonekey::tone_key_value_string(entry.tone));
|
|
break;
|
|
case freqman_type::Raw:
|
|
return entry.description;
|
|
default:
|
|
return {};
|
|
};
|
|
|
|
if (is_valid(entry.modulation) && entry.modulation < freqman_modulations.size()) {
|
|
append_field("m", freqman_entry_get_modulation_string(entry.modulation));
|
|
|
|
if (is_valid(entry.bandwidth) && (unsigned)entry.bandwidth < freqman_bandwidths[entry.modulation].size())
|
|
append_field("bw", freqman_entry_get_bandwidth_string(entry.modulation, entry.bandwidth));
|
|
}
|
|
|
|
if (entry.description.size() > 0)
|
|
append_field("d", entry.description);
|
|
|
|
serialized.shrink_to_fit();
|
|
return serialized;
|
|
}
|
|
|
|
freqman_index_t parse_tone_key(std::string_view value) {
|
|
// Split into whole and fractional parts.
|
|
auto parts = split_string(value, '.');
|
|
int32_t tone_freq = 0;
|
|
int32_t whole_part = 0;
|
|
parse_int(parts[0], whole_part);
|
|
|
|
// Tones are stored as frequency / 100 for some reason.
|
|
// E.g. 14572 would be 145.7 (NB: 1s place is dropped).
|
|
// TODO: Might be easier to just store the codes?
|
|
// Multiply the whole part by 100 to get the tone frequency.
|
|
tone_freq = whole_part * 100;
|
|
|
|
// Add the fractional part, if present.
|
|
if (parts.size() > 1) {
|
|
auto c = parts[1].front();
|
|
auto digit = std::isdigit(c) ? c - '0' : 0;
|
|
tone_freq += digit * 10;
|
|
}
|
|
|
|
return static_cast<freqman_index_t>(tonekey::tone_key_index_by_value(tone_freq));
|
|
}
|
|
|
|
bool parse_freqman_entry(std::string_view str, freqman_entry& entry) {
|
|
if (str.empty() || str[0] == '#')
|
|
return false;
|
|
|
|
entry = freqman_entry{};
|
|
auto cols = split_string(str, ',');
|
|
|
|
for (auto col : cols) {
|
|
if (col.empty())
|
|
continue;
|
|
|
|
auto pair = split_string(col, '=');
|
|
if (pair.size() != 2)
|
|
continue;
|
|
|
|
auto key = pair[0];
|
|
auto value = pair[1];
|
|
|
|
if (key == "a") {
|
|
entry.type = freqman_type::Range;
|
|
parse_int(value, entry.frequency_a);
|
|
} else if (key == "b") {
|
|
parse_int(value, entry.frequency_b);
|
|
} else if (key == "bw") {
|
|
// NB: Requires modulation to be set first
|
|
if (entry.modulation < std::size(freqman_bandwidths)) {
|
|
entry.bandwidth = find_by_name(freqman_bandwidths[entry.modulation], value);
|
|
}
|
|
} else if (key == "c") {
|
|
entry.tone = parse_tone_key(value);
|
|
} else if (key == "d") {
|
|
entry.description = trim(value);
|
|
} else if (key == "f") {
|
|
entry.type = freqman_type::Single;
|
|
parse_int(value, entry.frequency_a);
|
|
} else if (key == "m") {
|
|
entry.modulation = find_by_name(freqman_modulations, value);
|
|
} else if (key == "r") {
|
|
entry.type = freqman_type::HamRadio;
|
|
parse_int(value, entry.frequency_a);
|
|
} else if (key == "s") {
|
|
entry.step = find_by_name(freqman_steps_short, value);
|
|
} else if (key == "t") {
|
|
parse_int(value, entry.frequency_b);
|
|
}
|
|
}
|
|
|
|
return is_valid(entry);
|
|
}
|
|
|
|
bool parse_freqman_file(const fs::path& path, freqman_db& db, freqman_load_options options) {
|
|
FreqmanDB freqman_db;
|
|
freqman_db.set_read_raw(false); // Don't return malformed lines.
|
|
if (!freqman_db.open(path))
|
|
return false;
|
|
|
|
// Attempt to avoid a re-alloc if possible.
|
|
db.clear();
|
|
db.reserve(freqman_db.entry_count());
|
|
|
|
for (auto entry : freqman_db) {
|
|
// Filter by entry type.
|
|
if (entry.type == freqman_type::Unknown ||
|
|
(entry.type == freqman_type::Single && !options.load_freqs) ||
|
|
(entry.type == freqman_type::Range && !options.load_ranges) ||
|
|
(entry.type == freqman_type::HamRadio && !options.load_hamradios)) {
|
|
continue;
|
|
}
|
|
|
|
// Use previous entry's mod/band if current's aren't set.
|
|
if (!db.empty()) {
|
|
if (is_invalid(entry.modulation))
|
|
entry.modulation = db.back()->modulation;
|
|
if (is_invalid(entry.bandwidth))
|
|
entry.bandwidth = db.back()->bandwidth;
|
|
}
|
|
|
|
// Move the entry onto the heap and push.
|
|
db.push_back(std::make_unique<freqman_entry>(std::move(entry)));
|
|
|
|
// Limit to max_entries when specified.
|
|
if (options.max_entries > 0 && db.size() >= options.max_entries)
|
|
break;
|
|
}
|
|
|
|
db.shrink_to_fit();
|
|
return true;
|
|
}
|
|
|
|
bool is_valid(const freqman_entry& entry) {
|
|
// No valid frequency combination was set.
|
|
if (entry.type == freqman_type::Unknown)
|
|
return false;
|
|
|
|
// Frequency A must be set for all types
|
|
if (entry.frequency_a == 0)
|
|
return false;
|
|
|
|
// Frequency B must be set for type Range or Ham Radio
|
|
if (entry.type == freqman_type::Range || entry.type == freqman_type::HamRadio) {
|
|
if (entry.frequency_b == 0)
|
|
return false;
|
|
}
|
|
|
|
// Ranges should have frequencies A <= B.
|
|
if (entry.type == freqman_type::Range) {
|
|
if (entry.frequency_a > entry.frequency_b)
|
|
return false;
|
|
}
|
|
|
|
// TODO: Consider additional validation:
|
|
// - Tone only on HamRadio.
|
|
// - Step only on Range
|
|
// - Fail on failed parse_int.
|
|
// - Fail if bandwidth set before modulation.
|
|
|
|
return true;
|
|
}
|
|
|
|
/* FreqmanDB ***********************************/
|
|
|
|
bool FreqmanDB::open(const std::filesystem::path& path, bool create) {
|
|
auto result = FileWrapper::open(path, create);
|
|
if (!result)
|
|
return false;
|
|
|
|
wrapper_ = *std::move(result);
|
|
return true;
|
|
}
|
|
|
|
void FreqmanDB::close() {
|
|
wrapper_.reset();
|
|
}
|
|
|
|
freqman_entry FreqmanDB::operator[](Index index) const {
|
|
auto length = wrapper_->line_length(index);
|
|
auto line_text = wrapper_->get_text(index, 0, length);
|
|
|
|
if (line_text) {
|
|
freqman_entry entry;
|
|
if (parse_freqman_entry(*line_text, entry))
|
|
return entry;
|
|
else if (read_raw_) {
|
|
entry.type = freqman_type::Raw;
|
|
entry.description = trim(*line_text);
|
|
return entry;
|
|
}
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
void FreqmanDB::insert_entry(Index index, const freqman_entry& entry) {
|
|
index = clip<uint32_t>(index, 0u, entry_count());
|
|
wrapper_->insert_line(index);
|
|
replace_entry(index, entry);
|
|
}
|
|
|
|
void FreqmanDB::append_entry(const freqman_entry& entry) {
|
|
insert_entry(entry_count(), entry);
|
|
}
|
|
|
|
void FreqmanDB::replace_entry(Index index, const freqman_entry& entry) {
|
|
auto range = wrapper_->line_range(index);
|
|
if (!range)
|
|
return;
|
|
|
|
// Don't overwrite the '\n'.
|
|
range->end--;
|
|
wrapper_->replace_range(*range, to_freqman_string(entry));
|
|
}
|
|
|
|
void FreqmanDB::delete_entry(Index index) {
|
|
wrapper_->delete_line(index);
|
|
}
|
|
|
|
bool FreqmanDB::delete_entry(const freqman_entry& entry) {
|
|
auto it = find_entry(entry);
|
|
if (it == end())
|
|
return false;
|
|
|
|
delete_entry(it.index());
|
|
return true;
|
|
}
|
|
|
|
FreqmanDB::iterator FreqmanDB::find_entry(const freqman_entry& entry) {
|
|
return find_entry([&entry](const auto& other) {
|
|
return entry == other;
|
|
});
|
|
}
|
|
|
|
uint32_t FreqmanDB::entry_count() const {
|
|
// FileWrapper always presents a single line even for empty files.
|
|
return empty() ? 0u : wrapper_->line_count();
|
|
}
|
|
|
|
bool FreqmanDB::empty() const {
|
|
// FileWrapper always presents a single line even for empty files.
|
|
// A DB is only really empty if the file size is 0.
|
|
return !wrapper_ || wrapper_->size() == 0;
|
|
}
|