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Tone generator class

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This commit is contained in:
furrtek 2017-11-10 00:25:04 +00:00
parent 32ae059c44
commit 1b93dd53e8
16 changed files with 143 additions and 78 deletions
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6
firmware/application/baseband_api.cpp
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@ -153,13 +153,13 @@ void kill_afsk() {
}
void set_audiotx_data(const uint32_t divider, const uint32_t bw, const uint32_t gain_x10,
const bool ctcss_enabled, const uint32_t ctcss_phase_inc) {
const uint32_t tone_key_delta, const float tone_key_mix_weight) {
const AudioTXConfigMessage message {
divider,
bw,
gain_x10,
ctcss_phase_inc,
ctcss_enabled
tone_key_delta,
tone_key_mix_weight
};
send_message(&message);
}

2
firmware/application/baseband_api.hpp
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@ -61,7 +61,7 @@ void set_tones_config(const uint32_t bw, const uint32_t pre_silence, const uint1
void kill_tone();
void set_sstv_data(const uint8_t vis_code, const uint32_t pixel_duration);
void set_audiotx_data(const uint32_t divider, const uint32_t bw, const uint32_t gain_x10,
const bool ctcss_enabled, const uint32_t ctcss_phase_inc);
const uint32_t tone_key_delta, const float tone_key_mix_weight);
void set_fifo_data(const int8_t * data);
void set_pwmrssi(int32_t avg, bool enabled);
void set_afsk_data(const uint32_t afsk_samples_per_bit, const uint32_t afsk_phase_inc_mark, const uint32_t afsk_phase_inc_space,

2
firmware/application/file.cpp
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@ -217,7 +217,7 @@ std::string filesystem_error::what() const {
case FR_OK: return "ok";
case FR_DISK_ERR: return "disk error";
case FR_INT_ERR: return "insanity detected";
case FR_NOT_READY: return "not ready";
case FR_NOT_READY: return "SD card not ready";
case FR_NO_FILE: return "no file";
case FR_NO_PATH: return "no path";
case FR_INVALID_NAME: return "invalid name";

1
firmware/application/main.cpp
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@ -33,7 +33,6 @@
//BUG: SCANNER Lock on frequency, if frequency jump, still locked on first one
//BUG: SCANNER Multiple slices
//TODO: Make tone generator class for baseband (with freq, samplerate and mixing ratio parameters)
//TODO: Cap Wav viewer position
//TODO: Adapt wav viewer position step
//TODO: Use unit_auto_scale

4
firmware/application/tone_key.cpp
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@ -26,6 +26,7 @@
namespace tonekey {
const tone_key_t tone_keys[] = {
{ "None", 0.0 },
{ "0 XZ", 67.000 },
{ "1 WZ", 69.400 },
{ "2 XA", 71.900 },
@ -88,9 +89,8 @@ void tone_keys_populate(OptionsField& field) {
options_t tone_key_options;
std::string tone_name;
tone_key_options.emplace_back(std::make_pair("None", 0));
for (size_t c = 0; c < KEY_TONES_NB; c++) {
if (c < 50)
if (c && (c < 51))
tone_name = "CTCSS " + tone_keys[c].first;
else
tone_name = tone_keys[c].first;

10
firmware/application/ui_mictx.cpp
View File

@ -59,8 +59,8 @@ void MicTXView::configure_baseband() {
sampling_rate / 20, // Update vu-meter at 20Hz
transmitting ? transmitter_model.channel_bandwidth() : 0,
mic_gain_x10,
transmitting ? tone_key_enabled : false,
TONES_F2D(tone_keys[tone_key_index].second)
TONES_F2D(tone_keys[tone_key_index].second),
0.2 // 20% mix
);
}
@ -150,12 +150,6 @@ MicTXView::MicTXView(
tone_keys_populate(options_tone_key);
options_tone_key.on_change = [this](size_t i, int32_t) {
tone_key_index = i;
if (tone_key_index) {
tone_key_enabled = true;
tone_key_index--;
} else
tone_key_enabled = false;
};
options_tone_key.set_selected_index(0);

1
firmware/application/ui_mictx.hpp
View File

@ -73,7 +73,6 @@ private:
bool va_enabled { };
bool rogerbeep_enabled { };
uint32_t tone_key_index { };
bool tone_key_enabled { };
uint32_t mic_gain_x10 { 10 };
uint32_t audio_level { 0 };
uint32_t va_level { };

14
firmware/application/ui_soundboard.cpp
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@ -26,6 +26,7 @@
#include "lfsr_random.hpp"
#include "string_format.hpp"
#include "tonesets.hpp"
using namespace tonekey;
using namespace portapack;
@ -96,7 +97,6 @@ void SoundBoardView::on_tuning_frequency_changed(rf::Frequency f) {
void SoundBoardView::play_sound(uint16_t id) {
uint32_t tone_key_index;
bool tone_key_enabled;
uint32_t divider;
if (sounds[id].size == 0) return;
@ -121,20 +121,14 @@ void SoundBoardView::play_sound(uint16_t id) {
tone_key_index = options_tone_key.selected_index();
if (tone_key_index) {
tone_key_enabled = true;
tone_key_index--;
} else
tone_key_enabled = false;
divider = (1536000 / sounds[id].sample_rate) - 1;
baseband::set_audiotx_data(
divider,
number_bw.value() * 1000,
1,
tone_key_enabled,
(uint32_t)((tone_keys[tone_key_index].second / 1536000.0) * 0xFFFFFFFFULL)
10,
TONES_F2D(tone_keys[tone_key_index].second),
0.2 // 20% mix
);
}

1
firmware/baseband/CMakeLists.txt
View File

@ -136,6 +136,7 @@ set(CPPSRC
${COMMON}/chibios_cpp.cpp
${COMMON}/debug.cpp
${COMMON}/gcc.cpp
tone_gen.cpp
)
# C sources to be compiled in ARM mode regardless of the global setting.

14
firmware/baseband/proc_audiotx.cpp
View File

@ -52,16 +52,10 @@ void AudioTXProcessor::execute(const buffer_c8_t& buffer){
as--;
}
if (ctcss_enabled) {
ctcss_sample = sine_table_i8[(ctcss_phase & 0xFF000000U) >> 24];
sample_mixed = ((sample * 205) + (ctcss_sample * 50)) / 256; // ~20%
ctcss_phase += ctcss_phase_inc;
} else {
sample_mixed = sample;
}
sample = tone_gen.process(sample);
// FM
delta = sample_mixed * fm_delta;
delta = sample * fm_delta;
phase += delta;
sphase = phase + (64 << 24);
@ -82,10 +76,10 @@ void AudioTXProcessor::on_message(const Message* const msg) {
case Message::ID::AudioTXConfig:
fm_delta = message.fm_delta * (0xFFFFFFULL / 1536000);
divider = message.divider;
ctcss_enabled = message.ctcss_enabled;
ctcss_phase_inc = message.ctcss_phase_inc;
as = 0;
tone_gen.configure(message.tone_key_delta, message.tone_key_mix_weight);
configured = true;
break;

9
firmware/baseband/proc_audiotx.hpp
View File

@ -26,6 +26,7 @@
#include "fifo.hpp"
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "tone_gen.hpp"
class AudioTXProcessor : public BasebandProcessor {
public:
@ -41,14 +42,14 @@ private:
int8_t audio_fifo_data[2048] { };
FIFO<int8_t> audio_fifo = { audio_fifo_data, 11 }; // 43ms @ 48000Hz
ToneGen tone_gen { };
uint32_t fm_delta { 0 };
uint32_t divider { };
uint32_t as { 0 };
bool ctcss_enabled { false };
uint32_t ctcss_phase_inc { };
uint32_t ctcss_phase { 0 }, phase { 0 }, sphase { 0 };
uint32_t phase { 0 }, sphase { 0 };
int8_t out_sample { };
int32_t ctcss_sample { 0 }, sample { 0 }, sample_mixed { }, delta { };
int32_t sample { 0 }, delta { };
int8_t re { 0 }, im { 0 };

40
firmware/baseband/proc_mictx.cpp
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@ -39,48 +39,43 @@ void MicTXProcessor::execute(const buffer_c8_t& buffer){
for (size_t i = 0; i < buffer.count; i++) {
if (!play_beep) {
sample = audio_buffer.p[i >> 6] >> 8; // 1536000 / 64 = 24000
sample = audio_buffer.p[i >> 6] >> 8; // 1536000 / 64 = 24000
sample = (sample * (int32_t)gain_x10) / 10;
power += (sample < 0) ? -sample : sample; // Power average for UI vu-meter
power_acc += (sample < 0) ? -sample : sample; // Power average for UI vu-meter
if (!as) {
as = divider;
level_message.value = power / (divider / 4); // Why ?
shared_memory.application_queue.push(level_message);
power = 0;
if (power_acc_count) {
power_acc_count--;
} else {
as--;
power_acc_count = divider;
level_message.value = power_acc / (divider / 4); // Why ?
shared_memory.application_queue.push(level_message);
power_acc = 0;
}
} else {
if (beep_timer) {
beep_timer--;
} else {
beep_timer = 76800; // 50ms @ 1536000Hz
beep_timer = baseband_fs * 0.05; // 50ms
if (beep_index == BEEP_TONES_NB) {
configured = false;
fm_delta = 0; // Zero-out the IQ output for the rest of the buffer
shared_memory.application_queue.push(txprogress_message);
} else {
beep_phase_inc = beep_deltas[beep_index];
beep_gen.configure(beep_deltas[beep_index], 1.0);
beep_index++;
}
}
sample = sine_table_i8[(beep_phase & 0xFF000000U) >> 24];
beep_phase += beep_phase_inc;
sample = beep_gen.process(0);
}
if (ctcss_enabled) {
ctcss_sample = sine_table_i8[(ctcss_phase & 0xFF000000U) >> 24];
sample_mixed = ((sample * 205) + (ctcss_sample * 50)) / 256; // ~20%
ctcss_phase += ctcss_phase_inc;
} else {
sample_mixed = sample;
}
sample = tone_gen.process(sample);
// FM
if (fm_delta) {
delta = sample_mixed * fm_delta;
delta = sample * fm_delta;
phase += delta;
sphase = phase + (64 << 24);
@ -105,8 +100,9 @@ void MicTXProcessor::on_message(const Message* const msg) {
fm_delta = config_message.fm_delta * (0xFFFFFFULL / baseband_fs);
gain_x10 = config_message.gain_x10;
divider = config_message.divider;
ctcss_enabled = config_message.ctcss_enabled;
ctcss_phase_inc = config_message.ctcss_phase_inc;
power_acc_count = 0;
tone_gen.configure(config_message.tone_key_delta, config_message.tone_key_mix_weight);
txprogress_message.done = true;

19
firmware/baseband/proc_mictx.hpp
View File

@ -23,9 +23,10 @@
#ifndef __PROC_MICTX_H__
#define __PROC_MICTX_H__
#include "audio_input.hpp"
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "audio_input.hpp"
#include "tone_gen.hpp"
class MicTXProcessor : public BasebandProcessor {
public:
@ -47,17 +48,17 @@ private:
};
AudioInput audio_input { };
ToneGen tone_gen { };
ToneGen beep_gen { };
uint32_t divider { }, gain_x10 { };
uint32_t as { 0 };
uint32_t fm_delta { 0 };
uint64_t power_acc { 0 };
uint32_t power_acc_count { 0 };
bool play_beep { false };
bool ctcss_enabled { false };
uint32_t ctcss_phase_inc { };
uint32_t ctcss_phase { 0 }, phase { 0 }, sphase { 0 };
int32_t ctcss_sample { 0 }, sample { 0 }, sample_mixed { }, delta { };
uint32_t beep_phase { 0 }, beep_phase_inc { }, beep_index { }, beep_timer { };
uint64_t power { 0 };
uint32_t fm_delta { 0 };
uint32_t phase { 0 }, sphase { 0 };
int32_t sample { 0 }, delta { };
uint32_t beep_index { }, beep_timer { };
int8_t re { 0 }, im { 0 };

40
firmware/baseband/tone_gen.cpp Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* 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 "tone_gen.hpp"
#include "sine_table_int8.hpp"
void ToneGen::configure(const uint32_t delta, const float tone_mix_weight) {
delta_ = delta;
tone_mix_weight_ = tone_mix_weight;
input_mix_weight_ = 1.0 - tone_mix_weight;
}
int32_t ToneGen::process(const int32_t sample_in) {
if (!delta_)
return sample_in;
int32_t tone_sample = sine_table_i8[(tone_phase_ & 0xFF000000U) >> 24];
tone_phase_ += delta_;
return (sample_in * input_mix_weight_) + (tone_sample * tone_mix_weight_);
}

46
firmware/baseband/tone_gen.hpp Normal file
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@ -0,0 +1,46 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 Furrtek
*
* 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.
*/
#ifndef __TONE_GEN_H__
#define __TONE_GEN_H__
#include <cstdint>
#include <cstddef>
class ToneGen {
public:
/*ToneGen(const size_t sample_rate
) : sample_rate_ { sample_rate }
{};*/
void configure(const uint32_t delta, const float tone_mix_weight);
int32_t process(const int32_t sample_in);
private:
//size_t sample_rate_;
float input_mix_weight_ { 1 };
float tone_mix_weight_ { 0 };
uint32_t delta_ { 0 };
uint32_t tone_phase_ { 0 };
};
#endif

12
firmware/common/message.hpp
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@ -748,22 +748,22 @@ public:
const uint32_t divider,
const uint32_t fm_delta,
const uint32_t gain_x10,
const uint32_t ctcss_phase_inc,
const bool ctcss_enabled
const uint32_t tone_key_delta,
const float tone_key_mix_weight
) : Message { ID::AudioTXConfig },
divider(divider),
fm_delta(fm_delta),
gain_x10(gain_x10),
ctcss_phase_inc(ctcss_phase_inc),
ctcss_enabled(ctcss_enabled)
tone_key_delta(tone_key_delta),
tone_key_mix_weight(tone_key_mix_weight)
{
}
const uint32_t divider;
const uint32_t fm_delta;
const uint32_t gain_x10;
const uint32_t ctcss_phase_inc;
const bool ctcss_enabled;
const uint32_t tone_key_delta;
const float tone_key_mix_weight;
};
class SigGenConfigMessage : public Message {