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Code Issues Projects Releases Wiki Activity

Minor warning/formatting clean-up

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This commit is contained in:
Charles J. Cliffe 2021-03-19 22:42:42 -04:00
parent 95b7a86ed9
commit a174db1725
2 changed files with 87 additions and 98 deletions
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148
src/modules/modem/analog/ModemCW.cpp
View File

@ -13,27 +13,25 @@
// 0 150 650 1150
//
ModemCW::ModemCW()
: ModemAnalog(),
mBeepFrequency(650.0),
mGain(15.0),
mAutoGain(true),
mLO(nullptr),
mToReal(nullptr)
{
mLO = nco_crcf_create (LIQUID_NCO);
mToReal = firhilbf_create (5,60.0f);
useSignalOutput(true);
: ModemAnalog(),
mBeepFrequency(650.0),
mGain(15.0),
mAutoGain(true),
mLO(nullptr),
mToReal(nullptr) {
mLO = nco_crcf_create(LIQUID_NCO);
mToReal = firhilbf_create(5, 60.0f);
useSignalOutput(true);
}
ModemCW::~ModemCW() {
if (mLO)
nco_crcf_destroy (mLO);
if (mToReal)
firhilbf_destroy (mToReal);
if (mLO)
nco_crcf_destroy(mLO);
if (mToReal)
firhilbf_destroy(mToReal);
}
ModemArgInfoList ModemCW::getSettings()
{
ModemArgInfoList ModemCW::getSettings() {
ModemArgInfoList args;
ModemArgInfo offsetArg;
@ -41,9 +39,9 @@ ModemArgInfoList ModemCW::getSettings()
offsetArg.name = "Frequency Offset";
offsetArg.value = std::to_string(mBeepFrequency);
offsetArg.units = "Hz";
offsetArg.description = "Frequency Offset / Beep frequency";
offsetArg.type = ModemArgInfo::FLOAT;
offsetArg.range = ModemRange (200.0,1000.0);
offsetArg.description = "Frequency Offset / Beep frequency (200-1000Hz)";
offsetArg.type = ModemArgInfo::FLOAT;
offsetArg.range = ModemRange(200.0, 1000.0);
args.push_back(offsetArg);
ModemArgInfo autoGain;
@ -63,39 +61,33 @@ ModemArgInfoList ModemCW::getSettings()
gain.name = "Audio Gain";
gain.value = "15";
gain.units = "dB";
gain.description = "Gain Setting";
gain.range = ModemRange(0.0,40.0);
gain.description = "Gain Setting (0-40dB)";
gain.range = ModemRange(0.0, 40.0);
gain.type = ModemArgInfo::FLOAT;
args.push_back(gain);
return args;
}
void ModemCW::writeSetting(std::string setting, std::string value)
{
if (setting == "offset") {
mBeepFrequency = std::stof(value);
rebuildKit();
} else
if (setting == "auto") {
mAutoGain = (value=="on")?true:false;
} else
if (setting == "gain") {
mGain = std::stof(value);
}
void ModemCW::writeSetting(std::string setting, std::string value) {
if (setting == "offset") {
mBeepFrequency = std::stof(value);
rebuildKit();
} else if (setting == "auto") {
mAutoGain = (value == "on");
} else if (setting == "gain") {
mGain = std::stof(value);
}
}
std::string ModemCW::readSetting(std::string setting)
{
if (setting == "offset") {
return std::to_string(mBeepFrequency);
} else
if (setting == "auto") {
return (mAutoGain)?"on":"off";
} else
if (setting == "gain") {
return std::to_string(mGain);
}
return "";
std::string ModemCW::readSetting(std::string setting) {
if (setting == "offset") {
return std::to_string(mBeepFrequency);
} else if (setting == "auto") {
return (mAutoGain) ? "on" : "off";
} else if (setting == "gain") {
return std::to_string(mGain);
}
return "";
}
ModemBase *ModemCW::factory() {
@ -106,15 +98,14 @@ std::string ModemCW::getName() {
return "CW";
}
int ModemCW::checkSampleRate (long long srate, int arate)
{
if (srate < MIN_BANDWIDTH)
return MIN_BANDWIDTH;
return srate;
int ModemCW::checkSampleRate(long long srate, int /* arate */) {
if (srate < MIN_BANDWIDTH)
return MIN_BANDWIDTH;
return srate;
}
int ModemCW::getDefaultSampleRate() {
return MIN_BANDWIDTH;
return MIN_BANDWIDTH;
}
// The modem object is asked to make a "ModemKit" given the IQ sample rate
@ -124,27 +115,24 @@ int ModemCW::getDefaultSampleRate() {
// one doesn't have the bandwidth for these tones. So we need to interpolate
// the input IQ to audioOut, frequency shift, then pass the real part.
// Simple solution is just interpolate the IQ data to the audio sample rate.
ModemKit *ModemCW::buildKit (long long sampleRate, int audioSampleRate)
{
ModemKitCW *kit = new ModemKitCW();
float As = 60.0f;
double ratio = double(audioSampleRate) / double(sampleRate);
kit->sampleRate = sampleRate;
kit->audioSampleRate = audioSampleRate;
kit->audioResampleRatio = ratio;
kit->mInputResampler = msresamp_cccf_create (ratio,As);
return kit;
ModemKit *ModemCW::buildKit(long long sampleRate, int audioSampleRate) {
ModemKitCW *kit = new ModemKitCW();
float As = 60.0f;
double ratio = double(audioSampleRate) / double(sampleRate);
kit->sampleRate = sampleRate;
kit->audioSampleRate = audioSampleRate;
kit->audioResampleRatio = ratio;
kit->mInputResampler = msresamp_cccf_create(ratio, As);
return kit;
}
void ModemCW::disposeKit (ModemKit *kit)
{
ModemKitCW *cwkit = (ModemKitCW*) kit;
msresamp_cccf_destroy (cwkit->mInputResampler);
delete kit;
void ModemCW::disposeKit(ModemKit *kit) {
ModemKitCW *cwkit = (ModemKitCW *) kit;
msresamp_cccf_destroy(cwkit->mInputResampler);
delete kit;
}
void ModemCW::initOutputBuffers(ModemKitAnalog *akit, ModemIQData *input)
{
void ModemCW::initOutputBuffers(ModemKitAnalog *akit, ModemIQData *input) {
bufSize = input->data.size();
if (!bufSize) {
@ -153,7 +141,7 @@ void ModemCW::initOutputBuffers(ModemKitAnalog *akit, ModemIQData *input)
double audio_resample_ratio = akit->audioResampleRatio;
size_t audio_out_size = (size_t)ceil((double) (bufSize) * audio_resample_ratio) + 512;
size_t audio_out_size = (size_t) ceil((double) (bufSize) * audio_resample_ratio) + 512;
// Just make everything the audio out size
if (mInput.size() != audio_out_size) {
@ -165,10 +153,10 @@ void ModemCW::initOutputBuffers(ModemKitAnalog *akit, ModemIQData *input)
}
void ModemCW::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
unsigned int outSize;
unsigned int outSize;
float lsb;
liquid_float_complex sig;
ModemKitCW *cwkit = (ModemKitCW *)kit;
ModemKitCW *cwkit = (ModemKitCW *) kit;
initOutputBuffers(cwkit, input);
@ -178,21 +166,21 @@ void ModemCW::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *au
// Interpolate IQ samples to full audio band. We need to be able to
// sample at 2 times the desired beep frequency.
msresamp_cccf_execute (cwkit->mInputResampler,&input->data[0],bufSize,&mInput[0],&outSize);
msresamp_cccf_execute(cwkit->mInputResampler, &input->data[0], bufSize, &mInput[0], &outSize);
// Make the shoe fit.
if (demodOutputData.size() != outSize) {
demodOutputData.resize(outSize);
demodOutputData.resize(outSize);
}
// Set the LO to the desired beep frequency.
nco_crcf_set_frequency(mLO,2.0*M_PI*mBeepFrequency/kit->audioSampleRate);
nco_crcf_set_frequency(mLO, 2.0 * M_PI * mBeepFrequency / kit->audioSampleRate);
// Mix up from base band by beep frequency. Extract real part
for (int i = 0; i < outSize; i++) {
nco_crcf_mix_up (mLO,mInput[i],&sig);
nco_crcf_step (mLO);
firhilbf_c2r_execute (mToReal,sig,&lsb,&demodOutputData[i]);
for (unsigned int i = 0; i < outSize; i++) {
nco_crcf_mix_up(mLO, mInput[i], &sig);
nco_crcf_step(mLO);
firhilbf_c2r_execute(mToReal, sig, &lsb, &demodOutputData[i]);
}
// Determine gain automagically (if desired)
@ -207,12 +195,12 @@ void ModemCW::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *au
}
}
mGain = 10.0*std::log10(0.5f / aOutputCeilMAA);
mGain = 10.0 * std::log10(0.5f / aOutputCeilMAA);
}
// Apply gain to demodulated output data
for (size_t i = 0; i < outSize; i++) {
demodOutputData[i] *= std::pow(10.0,mGain/10.0);
demodOutputData[i] *= std::pow(10.0, mGain / 10.0);
}
audioOut->channels = 1;

37
src/modules/modem/analog/ModemCW.h
View File

@ -2,33 +2,34 @@
// SPDX-License-Identifier: GPL-2.0+
#pragma once
#include "Modem.h"
#include "ModemAnalog.h"
class ModemKitCW : public ModemKitAnalog
{
class ModemKitCW : public ModemKitAnalog {
public:
ModemKitCW() : ModemKitAnalog() {
};
msresamp_cccf mInputResampler;
ModemKitCW() : ModemKitAnalog() {
};
msresamp_cccf mInputResampler;
};
class ModemCW : public ModemAnalog {
public:
ModemCW();
~ModemCW();
std::string getName();
static ModemBase *factory();
int checkSampleRate (long long srate, int arate );
int checkSampleRate(long long srate, int arate);
ModemKit *buildKit (long long srate, int arate);
ModemKit *buildKit(long long srate, int arate);
void disposeKit (ModemKit *kit);
void disposeKit(ModemKit *kit);
void initOutputBuffers (ModemKitAnalog *akit, ModemIQData *input);
void initOutputBuffers(ModemKitAnalog *akit, ModemIQData *input);
int getDefaultSampleRate();
@ -36,18 +37,18 @@ public:
ModemArgInfoList getSettings();
void writeSetting(std::string setting,std::string value);
void writeSetting(std::string setting, std::string value);
std::string readSetting(std::string setting);
// No resampling required.
std::vector<float> *getResampledOutputData () { return &demodOutputData; }
std::vector<float> *getResampledOutputData() { return &demodOutputData; }
private:
bool mAutoGain;
float mGain;
float mBeepFrequency;
nco_crcf mLO;
firhilbf mToReal;
std::vector<liquid_float_complex> mInput;
float mBeepFrequency;
float mGain;
bool mAutoGain;
nco_crcf mLO;
firhilbf mToReal;
std::vector<liquid_float_complex> mInput;
};