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https://github.com/portapack-mayhem/mayhem-firmware.git
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80c769b97d
* Generate CTCSS messages at fixed rate regardless of tone freq * Generate CTCSS messages at fixed rate regardless of tone freq * Function for generating CTCSS description strings * Function for generating CTCSS description strings * Increase width of CTCSS text to include tone freq * Increase width of CTCSS text field to include frequency * Use CTCSS tone freq when saving HAM freqs to freq file * Use function in tone_key.cpp for displaying CTCSS string * Use function in tone_key.cpp for CTCSS descr strings * Use function in tone_key.cpp for CTCSS descr strings * Clang test * Clang * Clang * Support for reading CTCSS tones from FreqMan file * Clang * Clean up and eliminate floating point * Clean up and eliminate floating point * Corrected CTCSS field length * Corrected CTCSS field length * Clang
206 lines
6.4 KiB
C++
206 lines
6.4 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2017 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 "string_format.hpp"
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#include "tone_key.hpp"
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namespace tonekey {
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// Keep list in ascending order by tone frequency
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const tone_key_t tone_keys = {
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{"None", F2Ix100(0.0)},
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{"1 XZ", F2Ix100(67.0)},
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{"39 WZ", F2Ix100(69.3)},
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{"2 XA", F2Ix100(71.9)},
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{"3 WA", F2Ix100(74.4)},
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{"4 XB", F2Ix100(77.0)},
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{"5 WB", F2Ix100(79.7)},
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{"6 YZ", F2Ix100(82.5)},
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{"7 YA", F2Ix100(85.4)},
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{"8 YB", F2Ix100(88.5)},
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{"9 ZZ", F2Ix100(91.5)},
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{"10 ZA", F2Ix100(94.8)},
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{"11 ZB", F2Ix100(97.4)},
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{"12 1Z", F2Ix100(100.0)},
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{"13 1A", F2Ix100(103.5)},
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{"14 1B", F2Ix100(107.2)},
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{"15 2Z", F2Ix100(110.9)},
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{"16 2A", F2Ix100(114.8)},
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{"17 2B", F2Ix100(118.8)},
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{"18 3Z", F2Ix100(123.0)},
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{"19 3A", F2Ix100(127.3)},
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{"20 3B", F2Ix100(131.8)},
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{"21 4Z", F2Ix100(136.5)},
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{"22 4A", F2Ix100(141.3)},
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{"23 4B", F2Ix100(146.2)},
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{"24 5Z", F2Ix100(151.4)},
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{"25 5A", F2Ix100(156.7)},
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{"40 --", F2Ix100(159.8)},
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{"26 5B", F2Ix100(162.2)},
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{"41 --", F2Ix100(165.5)},
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{"27 6Z", F2Ix100(167.9)},
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{"42 --", F2Ix100(171.3)},
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{"28 6A", F2Ix100(173.8)},
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{"43 --", F2Ix100(177.3)},
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{"29 6B", F2Ix100(179.9)},
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{"44 --", F2Ix100(183.5)},
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{"30 7Z", F2Ix100(186.2)},
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{"45 --", F2Ix100(189.9)},
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{"31 7A", F2Ix100(192.8)},
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{"46 --", F2Ix100(196.6)},
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{"47 --", F2Ix100(199.5)},
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{"32 M1", F2Ix100(203.5)},
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{"48 8Z", F2Ix100(206.5)},
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{"33 M2", F2Ix100(210.7)},
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{"34 M3", F2Ix100(218.1)},
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{"35 M4", F2Ix100(225.7)},
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{"49 9Z", F2Ix100(229.1)},
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{"36 M5", F2Ix100(233.6)},
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{"37 M6", F2Ix100(241.8)},
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{"38 M7", F2Ix100(250.3)},
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{"50 0Z", F2Ix100(254.1)},
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{"Shure 19kHz", F2Ix100(19000.0)},
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{"Axient 28kHz", F2Ix100(28000.0)},
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{"Senn. 32.000k", F2Ix100(32000.0)},
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{"Sony 32.382k", F2Ix100(32382.0)},
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{"Senn. 32.768k", F2Ix100(32768.0)}};
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std::string fx100_string(uint32_t f) {
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return to_string_dec_uint(f / 100) + "." + to_string_dec_uint((f / 10) % 10);
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}
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void tone_keys_populate(OptionsField& field) {
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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 tone_key_options;
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std::string tone_name;
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for (size_t c = 0; c < tone_keys.size(); c++) {
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auto f = tone_keys[c].second;
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if ((c != 0) && (f < 1000 * 100))
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tone_name = "CTCSS " + fx100_string(f) + " #" + tone_keys[c].first;
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else
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tone_name = tone_keys[c].first;
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tone_key_options.emplace_back(tone_name, c);
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}
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field.set_options(tone_key_options);
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}
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float tone_key_frequency(tone_index index) {
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return float(tone_keys[index].second) / 100.0;
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}
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std::string tone_key_string(tone_index index) {
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if (index < 0 || (unsigned)index >= tone_keys.size())
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return std::string("");
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return tone_keys[index].first;
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}
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// Return string showing frequency only from specific table index
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std::string tone_key_value_string(tone_index index) {
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if (index < 0 || (unsigned)index >= tone_keys.size())
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return std::string("");
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return fx100_string(tone_keys[index].second);
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}
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// Return variable-length string showing CTCSS tone from tone frequency
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// Value is in 0.01 Hz units
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std::string tone_key_string_by_value(uint32_t value, size_t max_length) {
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static uint8_t tone_display_toggle{0};
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static uint32_t last_value;
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tone_index idx;
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std::string freq_str;
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// If >10Hz difference between consecutive samples, it's probably noise, so ignore
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if (abs(value - last_value) > 10 * 100) {
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last_value = value;
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tone_display_toggle = 0;
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return " ";
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}
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last_value = value;
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// Only display 1/10 Hz accuracy if <1000 Hz; max 5 characters
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if (value < 1000 * 100)
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freq_str = "T:" + fx100_string(value);
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else
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freq_str = "T:" + to_string_dec_uint(value / 100);
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// Check field length is enough for character counts in the string below
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if (max_length >= 7 + 2 + 5) {
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idx = tone_key_index_by_value(value);
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if (idx != -1)
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return freq_str + " #" + tone_key_string(idx);
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} else {
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// Not enough space; toggle between display of tone received and tone code #
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if (tone_display_toggle++ >= TONE_DISPLAY_TOGGLE_COUNTER) {
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if (tone_display_toggle >= TONE_DISPLAY_TOGGLE_COUNTER * 2) tone_display_toggle = 0;
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// Look for a match in the table (otherwise just display frequency)
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idx = tone_key_index_by_value(value);
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if (idx != -1)
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return "T:" + tone_key_string(idx);
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}
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}
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return freq_str;
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}
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// Search tone_key table for tone frequency value
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// Value is in 0.01 Hz units
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tone_index tone_key_index_by_value(uint32_t value) {
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uint32_t diff;
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uint32_t min_diff{value * 2};
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tone_index min_idx{-1};
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tone_index idx;
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// Find nearest match
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for (idx = 0; idx < (tone_index)tone_keys.size(); idx++) {
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diff = abs(value - tone_keys[idx].second);
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if (diff < min_diff) {
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min_idx = idx;
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min_diff = diff;
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} else {
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// list is sorted in frequency order; if diff is getting larger than we've passed it
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break;
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}
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}
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// Arbitrary confidence threshold
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if (min_diff < TONE_FREQ_TOLERANCE_CENTIHZ)
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return min_idx;
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else
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return -1;
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}
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tone_index tone_key_index_by_string(char* str) {
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if (!str)
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return -1;
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for (tone_index index = 0; (unsigned)index < tone_keys.size(); index++) {
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if (tone_keys[index].first.compare(str) >= 0)
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return index;
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}
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return -1;
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}
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} // namespace tonekey
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