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ubitx-iop/ubitx_iop/audio.ino

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//======================================================================
// audio.ino
//
// NOTE: Let's change the name of this file to Rigconfig.cc. Will need
// to ensure that "Arduino-isms" are resolved if it's converted to .cc
// from .ino, however.
//======================================================================
#include <dynamicFilters.h>
#include <effect_compressor_fb.h>
#include "audio.h"
#include "tx_audio_proc.h"
//short firActive[NUM_COEFFICIENTS];
#define RX_RIG_IN 0
#define RX_USB_IN 1
#define RX_ST_IN 2 // sidetone
#define TX_MIC_IN 0
#define TX_LINE_IN 0
#define TX_USB_IN 1
#define TX_TEST_IN 2
//extern RigConfig rigConfig;
/*
#define DEFAULT_RX_INPUT RIG
#define DEFAULT_RX_OUTPUT SPKR
#define DEFAULT_TX_INPUT MIC
#define DEFAULT_TX_OUTPUT RIG
*/
#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
// GUItool: begin automatically generated code
AudioInputI2S inLine; //xy=134,131
AudioInputUSB inUSB; //xy=134,303
AudioSynthWaveformSine sideTone; //xy=136,214
AudioSynthWaveformSine sine2; //xy=323,482
AudioSynthWaveformSine sine1; //xy=324,428
AudioAnalyzeRMS rmsRX; //xy=362,20
AudioAnalyzePeak peakRX; //xy=362,65
AudioEffectCompressor compTX; //xy=383,256
AudioAnalyzeRMS compRMS; //xy=388,224
AudioMixer4 mixRX; //xy=444,163
AudioAmplifier compAmp; //xy=514,257
AudioFilterFIR filterRX; //xy=577,161
AudioMixer4 mixTX; //xy=652,321
AudioAmplifier filterAmp; //xy=700,160
AudioAnalyzeRMS rmsTX; //xy=841,449
AudioAnalyzePeak peakTX; //xy=843,393
AudioAmplifier calRxUSB; //xy=873,172
AudioAmplifier calRxSpkr; //xy=877,62
AudioAmplifier calRxLine; //xy=880,119
AudioAmplifier calTxLine; //xy=892,255
AudioAmplifier calTxUSB; //xy=893,312
AudioOutputAnalog outSpkr; //xy=1053,62
AudioOutputUSB outUSB; //xy=1066,307
AudioOutputI2S outLine; //xy=1070,192
AudioConnection patchCord1(inLine, 0, rmsRX, 0);
AudioConnection patchCord2(inLine, 0, peakRX, 0);
AudioConnection patchCord3(inLine, 0, mixRX, 0);
AudioConnection patchCord4(inLine, 1, compTX, 0);
AudioConnection patchCord5(inLine, 1, compRMS, 0);
AudioConnection patchCord6(inUSB, 0, mixRX, 1);
AudioConnection patchCord7(inUSB, 1, mixTX, 1);
AudioConnection patchCord8(sideTone, 0, mixRX, 2);
AudioConnection patchCord9(sine2, 0, mixTX, 3);
AudioConnection patchCord10(sine1, 0, mixTX, 2);
AudioConnection patchCord11(compTX, compAmp);
AudioConnection patchCord12(mixRX, filterRX);
AudioConnection patchCord13(compAmp, 0, mixTX, 0);
AudioConnection patchCord14(filterRX, filterAmp);
AudioConnection patchCord15(mixTX, calTxLine);
AudioConnection patchCord16(mixTX, calTxUSB);
AudioConnection patchCord17(mixTX, peakTX);
AudioConnection patchCord18(mixTX, rmsTX);
AudioConnection patchCord19(filterAmp, calRxSpkr);
AudioConnection patchCord20(filterAmp, calRxLine);
AudioConnection patchCord21(filterAmp, calRxUSB);
AudioConnection patchCord22(calRxUSB, 0, outUSB, 0);
AudioConnection patchCord23(calRxSpkr, outSpkr);
AudioConnection patchCord24(calRxLine, 0, outLine, 0);
AudioConnection patchCord25(calTxLine, 0, outLine, 1);
AudioConnection patchCord26(calTxUSB, 0, outUSB, 1);
AudioControlSGTL5000 audioCtrl; //xy=648,517
// GUItool: end automatically generated code
void RigAudio::init() const {
USBDEBUG("audio initialization started");
audioCtrl.enable();
audioCtrl.adcHighPassFilterEnable(); // default
audioCtrl.dacVolume(1.0); // default
audioCtrl.dacVolumeRampDisable(); // not default; just trying to cull out culprits for my high freq hiss
audioCtrl.audioProcessorDisable();
audioCtrl.autoVolumeDisable();
audioCtrl.surroundSoundDisable();
audioCtrl.enhanceBassDisable();
audioCtrl.eqSelect(FLAT_FREQUENCY); // eventually, use this to smooth out the normal uBITX passband
audioCtrl.muteHeadphone(); // not using the headphone output
audioCtrl.volume(0.0); // not using the headphone output
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN); // required for RX audio
audioCtrl.unmuteLineout(); // required for RX audio
audioCtrl.lineInLevel(_config.rxRigInLevel, _config.txLineInLevel); // NOTE: need to see if this persists through input changes (see mic gain...)
audioCtrl.lineOutLevel(_config.rxLineOutLevel, _config.txRigOutLevel); // NOTE: need to see if this persists through input changes (see mic gain...)
audioCtrl.micGain(_config.txMicInGain); // superfluous, as I have to do this anytime I switch to mic for some reason
// configure line input
audioCtrl.lineInLevel(_config.rxRigInLevel, _config.txLineInLevel);
// configure line output
calTxLine.gain(_config.txRigOutCal);
audioCtrl.lineOutLevel(_config.rxLineOutLevel, _config.txRigOutLevel);
// configure "receive" of USB audio input (debug only)
if (_config.rxUSBInEnable) {
mixRX.gain(RX_USB_IN, _config.rxUSBInVol * _config.rxUSBInCal);
} else {
mixRX.gain(RX_USB_IN, 0.0);
}
// configure USB audio output of transmit audio (useful for debug)
if (_config.txUSBOutEnable) {
calTxUSB.gain(_config.txUSBOutCal);
} else {
calTxUSB.gain(0.0);
}
// setup the two-tone generator
sine1.frequency(700);
sine2.frequency(1900);
sine1.amplitude(0);
sine2.amplitude(0);
//audioFilter(firActive, NUM_COEFFICIENTS, ID_BANDPASS, W_HAMMING, 300.0, 3100.0); // 2.8 kHz filter
//filterRX.begin(firActive, NUM_COEFFICIENTS);
filterAmp.gain(1.0);
// for now, just pass through the compressor
compTX.disable();
compAmp.gain(1.0);
// Hardware should be all setup... now we're going to mute everything
// and let the modes take care of enabling/disabling what they should.
for (int i = 0; i < 4; i++) {
mixRX.gain(i, 0.0);
mixTX.gain(i, 0.0);
}
audioEqualizer();
USBDEBUG("audio initialization completed");
}
void RigAudio::muteRx() const {
mixRX.gain(RX_RIG_IN, 0.0);
USBDEBUG("RX audio muted");
}
void RigAudio::unmuteRx() const {
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
mixRX.gain(RX_RIG_IN, _config.rxRigInVol * _config.rxRigInCal);
USBDEBUG("RX audio unmuted");
}
void RigAudio::muteAllTx() const {
muteMicIn();
muteLineIn();
muteUSBIn();
muteTTIn();
USBDEBUG("all TX audio muted");
}
void RigAudio::muteMicIn() const {
mixTX.gain(TX_LINE_IN, 0.0);
USBDEBUG("Mic In audio muted");
}
void RigAudio::unmuteMicIn() const {
audioCtrl.inputSelect(AUDIO_INPUT_MIC);
audioCtrl.micGain(_config.txMicInGain);
mixTX.gain(TX_LINE_IN, _config.txMicInVol * _config.txMicInCal);
USBDEBUG("Mic In audio unmuted");
}
void RigAudio::muteLineIn() const {
mixTX.gain(TX_LINE_IN, 0.0);
USBDEBUG("Line In audio muted");
}
void RigAudio::unmuteLineIn() const {
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN);
mixTX.gain(TX_LINE_IN, _config.txLineInVol * _config.txLineInCal);
USBDEBUG("Line In audio unmuted");
}
void RigAudio::muteUSBIn() const {
mixTX.gain(TX_USB_IN, 0.0);
USBDEBUG("USB In audio muted");
}
void RigAudio::unmuteUSBIn() const {
mixTX.gain(TX_USB_IN, _config.txUSBInVol * _config.txUSBInCal);
USBDEBUG("USB In audio unmuted");
}
void RigAudio::muteTTIn() const {
mixTX.gain(TX_TEST_IN, 0.0);
mixTX.gain(TX_TEST_IN + 1, 0.0);
sine1.amplitude(0.0);
sine2.amplitude(0.0);
USBDEBUG("Two Tone audio muted");
}
void RigAudio::unmuteTTIn() const {
sine1.amplitude(0.5);
sine2.amplitude(0.5);
mixTX.gain(TX_TEST_IN, _config.txSine1Vol);
mixTX.gain(TX_TEST_IN + 1, _config.txSine2Vol);
USBDEBUG("Two Tone audio unmuted");
}
void RigAudio::muteSpkrOut() const {
calRxSpkr.gain(0.0);
USBDEBUG("Speaker Out audio muted");
}
void RigAudio::unmuteSpkrOut() const {
calRxSpkr.gain(_config.rxSpkrOutCal);
USBDEBUG("Speaker Out audio unmuted");
}
void RigAudio::muteLineOut() const {
calRxLine.gain(0.0);
USBDEBUG("Line Out audio muted");
}
void RigAudio::unmuteLineOut() const {
calRxLine.gain(_config.rxLineOutCal);
USBDEBUG("Line Out audio unmuted");
}
void RigAudio::muteUSBOut() const {
calRxUSB.gain(0.0);
USBDEBUG("USB Out audio muted");
}
void RigAudio::unmuteUSBOut() const {
calRxUSB.gain(_config.rxUSBOutCal);
USBDEBUG("USB Out audio unmuted");
}
/*
RxInput audioRxInput;
RxOutput audioRxOutput;
TxInput audioTxInput;
TxOutput audioTxOutput;
*/
//======================================================================
short _internal_coefficients[NUM_COEFFICIENTS];
BPFilter::BPFilter(double f1, double f2, bool use_center=false, short int window, short int coeff):
_window(window), _coeff(coeff)
{
if (window == -1) {
_window = W_HAMMING;
}
if (coeff == -1) {
_coeff = NUM_COEFFICIENTS;
}
if (use_center) { // treat f1 as center frequency, f2 as filter width
_freq_lo = f1 - (0.5 * f2);
_freq_hi = f1 + (0.5 * f2);
} else {
_freq_lo = f1;
_freq_hi = f2;
}
}
void BPFilter::init(AudioFilterFIR* filter, short* coefficients) {
if (filter == NULL) {
_filter = &filterRX;
} else {
_filter = filter;
}
if (coefficients == NULL) {
_coefficients = _internal_coefficients;
} else {
_coefficients = coefficients;
}
//audioFilter(coefficients, NUM_COEFFICIENTS, ID_BANDPASS, _window, _freq_lo, _freq_hi);
//filter->begin(coefficients, NUM_COEFFICIENTS);
}
void BPFilter::setFreqLo(double f) { _freq_lo = f; }
void BPFilter::setFreqHi(double f) { _freq_hi = f; }
void BPFilter::setBand(double f1, double f2) {
_freq_lo = f1;
_freq_hi = f2;
}
void BPFilter::setCenter(double c) {
double w = _freq_hi - _freq_lo;
setCenterAndWidth(c, w);
}
void BPFilter::setWidth(double w) {
double c = (_freq_lo + _freq_hi) * 0.5;
setCenterAndWidth(c, w);
}
void BPFilter::setCenterAndWidth(double c, double w) {
_freq_lo = c - (0.5 * w);
_freq_hi = c + (0.5 * w);
}
void BPFilter::enable() {
audioFilter(_coefficients, NUM_COEFFICIENTS, ID_BANDPASS, _window, _freq_lo, _freq_hi);
_filter->begin(_coefficients, NUM_COEFFICIENTS);
}
void BPFilter::disable() {
_filter->begin(FIR_PASSTHRU, NUM_COEFFICIENTS);
}
//======================================================================
/*
// array based on mode right now
BPFilter *rxFilter[NUM_RIG_MODES][NUM_RX_FILTERS];
//======================================================================
void audioSetupFilters()
{
rxFilter[RIG_MODE_SSB][FILTER_WIDE] = new BPFilter( 300.0, 3100.0);
rxFilter[RIG_MODE_SSB][FILTER_NORMAL] = new BPFilter( 500.0, 2900.0);
rxFilter[RIG_MODE_SSB][FILTER_NARROW] = new BPFilter( 700.0, 2500.0);
// Need to make the NARROW filter center frequency configurable.
rxFilter[RIG_MODE_DIGI][FILTER_WIDE] = new BPFilter( 300.0, 3100.0);
rxFilter[RIG_MODE_DIGI][FILTER_NORMAL] = new BPFilter( 500.0, 2900.0);
rxFilter[RIG_MODE_DIGI][FILTER_NARROW] = new BPFilter(1500.0, 500.0, true);
// Need to use the sidetone frequency for the NORMAL and NARROW filters.
rxFilter[RIG_MODE_CW][FILTER_WIDE] = new BPFilter( 300.0, 1300.0);
rxFilter[RIG_MODE_CW][FILTER_NORMAL] = new BPFilter( 700.0, 500.0, true);
rxFilter[RIG_MODE_CW][FILTER_NARROW] = new BPFilter( 700.0, 250.0, true);
}
//======================================================================
SpeechCompressor speechCompressor(compTX, compAmp, compRMS);
//======================================================================
// audioInit()
// Setup the audio subsystem.
void audioInit()
{
audioCtrl.enable();
audioCtrl.muteHeadphone(); // not using the headphone output
audioCtrl.volume(0.0); // not using the headphone output
audioCtrl.inputSelect(AUDIO_INPUT_LINEIN); // required for RX audio
audioCtrl.unmuteLineout(); // required for RX audio
audioCtrl.lineInLevel(rigConfig.rxRigInLevel, rigConfig.txLineInLevel); // NOTE: need to see if this persists through input changes (see mic gain...)
audioCtrl.lineOutLevel(rigConfig.rxLineOutLevel, rigConfig.txRigOutLevel); // NOTE: need to see if this persists through input changes (see mic gain...)
audioCtrl.micGain(rigConfig.txMicInGain); // superfluous, as I have to do this anytime I switch to mic for some reason
//audioCtrl.dacVolumeRamp(); // if this seems too slow, might try dacVolumeRampLinear().
//audioCtrl.dacVolume(1.0, 0.0); // we're going to mute TX audio via the DAC unless we're transmitting
updateRxRigIn();
updateRxSpkrOut();
updateRxLineOut();
updateRxUSBOut();
// Note - these really just need to be init functions; keep things muted while setting them up.
updateTxMicIn();
updateTxLineIn();
updateTxUSBIn();
updateTxTwoToneIn();
updateTxRigOut();
audioSelectRxInput(RX_RIG_IN);
audioSelectTxInput(TX_MIC_IN); // superfluous I think
//audioCtrl.adcHighPassFilterDisable();
//audioCtrl.audioPreProcessorEnable();
// setup the two-tone generator
sine1.frequency(700);
sine2.frequency(1900);
sine1.amplitude(0);
sine2.amplitude(0);
//audioFilter(firActive, NUM_COEFFICIENTS, ID_BANDPASS, W_HAMMING, 300.0, 3100.0); // 2.8 kHz filter
//filterRX.begin(firActive, NUM_COEFFICIENTS);
filterAmp.gain(1.0);
// for now, just pass through the compressor
//compTX.disable();
//compAmp.gain(1.0);
speechCompressor.enable();
}
//======================================================================
//======================================================================
void audioCalibrate(AudioConfig* c, char cmd, char subcmd, char parm, float value, bool set_value=true)
{
switch(cmd) {
case 'r':
case 'R':
// RX audio parameters
switch(subcmd) {
case 'r':
case 'R':
// Rig input
switch(parm) {
case 'l':
case 'L':
// level
if (set_value) {
c->rxRigInLevel = int(value);
updateRxRigIn();
}
USBSERIAL.print("rxRigInLevel: ");
USBSERIAL.println(c->rxRigInLevel);
break;
case 'v':
case 'V':
// volume
if (set_value) {
c->rxRigInVol = value;
updateRxRigIn();
}
USBSERIAL.print("rxRigInVol: ");
USBSERIAL.println(c->rxRigInVol);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->rxRigInCal = value;
updateRxRigIn();
}
USBSERIAL.print("rxRigInCal: ");
USBSERIAL.println(c->rxRigInCal);
break;
}
break;
case 's':
case 'S':
// Speaker output
switch(parm) {
case 'c':
case 'C':
// calibration
if (set_value) {
c->rxSpkrOutCal = value;
updateRxSpkrOut();
}
USBSERIAL.print("rxSpkrOutCal: ");
USBSERIAL.println(c->rxSpkrOutCal);
break;
}
break;
case 'l':
case 'L':
// Line output
switch(parm) {
case 'l':
case 'L':
// level
if (set_value) {
c->rxLineOutLevel = int(value);
updateRxLineOut();
}
USBSERIAL.print("rxLineOutLevel: ");
USBSERIAL.println(c->rxLineOutLevel);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->rxLineOutCal = value;
updateRxLineOut();
}
USBSERIAL.print("rxLineOutCal: ");
USBSERIAL.println(c->rxLineOutCal);
break;
}
break;
case 'u':
case 'U':
// USB output
switch(parm) {
case 'c':
case 'C':
// calibration
if (set_value) {
c->rxUSBOutCal = value;
updateRxUSBOut();
}
USBSERIAL.print("rxUSBOutCal: ");
USBSERIAL.println(c->rxUSBOutCal);
break;
}
break;
}
break;
case 't':
case 'T':
//TX audio parameters
switch(subcmd) {
case 'm':
case 'M':
// Mic input
switch(parm) {
case 'g':
case 'G':
// mic gain
if (set_value) {
c->txMicInGain = int(value);
updateTxMicIn();
}
USBSERIAL.print("txMicInGain: ");
USBSERIAL.println(c->txMicInGain);
break;
case 'v':
case 'V':
// volume
if (set_value) {
c->txMicInVol = value;
updateTxMicIn();
}
USBSERIAL.print("txMicInVol: ");
USBSERIAL.println(c->txMicInVol);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->txMicInCal = value;
updateTxMicIn();
}
USBSERIAL.print("txMicInCal: ");
USBSERIAL.println(c->txMicInCal);
break;
}
break;
case 'l':
case 'L':
// Line input
switch(parm) {
case 'l':
case 'L':
// level
if (set_value) {
c->txLineInLevel = int(value);
updateTxLineIn();
}
USBSERIAL.print("txLineInLevel: ");
USBSERIAL.println(c->txLineInLevel);
break;
case 'v':
case 'V':
// volume
if (set_value) {
c->txLineInVol = value;
updateTxLineIn();
}
USBSERIAL.print("txLineInVol: ");
USBSERIAL.println(c->txLineInVol);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->txLineInCal = value;
updateTxLineIn();
}
USBSERIAL.print("txLineInCal: ");
USBSERIAL.println(c->txLineInCal);
break;
}
break;
case 'u':
case 'U':
// USB input
switch(parm) {
case 'v':
case 'V':
// volume
if (set_value) {
c->txUSBInVol = value;
updateTxUSBIn();
}
USBSERIAL.print("txUSBInVol: ");
USBSERIAL.println(c->txUSBInVol);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->txUSBInCal = value;
updateTxUSBIn();
}
USBSERIAL.print("txUSBInCal: ");
USBSERIAL.println(c->txUSBInCal);
break;
}
break;
case 'r':
case 'R':
// Rig output
switch(parm) {
case 'l':
case 'L':
// level
if (set_value) {
c->txRigOutLevel = int(value);
updateTxRigOut();
}
USBSERIAL.print("txRigOutLevel: ");
USBSERIAL.println(c->txRigOutLevel);
break;
case 'c':
case 'C':
// calibration
if (set_value) {
c->txRigOutCal = value;
updateTxRigOut();
}
USBSERIAL.print("txRigOutCal: ");
USBSERIAL.println(c->txRigOutCal);
break;
}
break;
}
break;
}
}
int lpFilter[5];
int hpFilter[5];
void audioSSBFilter()
{
// calcBiquad(FilterType,FrequencyC,dBgain,Q,QuantizationUnit,SampleRate,int*);
calcBiquad(FILTER_LOPASS, 3300, 0, 0.707, 524288, 44100, lpFilter);
calcBiquad(FILTER_HIPASS, 100, 0, 0.707, 524288, 44100, hpFilter);
audioCtrl.eqFilter(0, lpFilter);
audioCtrl.eqFilter(1, hpFilter);
audioCtrl.eqFilter(2, lpFilter);
audioCtrl.eqFilter(3, hpFilter);
audioCtrl.eqFilter(4, lpFilter);
audioCtrl.eqFilter(5, hpFilter);
}
void audioCWFilter()
{
// calcBiquad(FilterType,FrequencyC,dBgain,Q,QuantizationUnit,SampleRate,int*);
calcBiquad(FILTER_LOPASS, 1300, 0, 0.707, 524288, 44100, lpFilter);
calcBiquad(FILTER_HIPASS, 100, 0, 0.707, 524288, 44100, hpFilter);
audioCtrl.eqFilter(0, lpFilter);
audioCtrl.eqFilter(1, hpFilter);
audioCtrl.eqFilter(2, lpFilter);
audioCtrl.eqFilter(3, hpFilter);
audioCtrl.eqFilter(4, lpFilter);
audioCtrl.eqFilter(5, hpFilter);
}
//======================================================================
// audioDigiFilter()
// Create a very wide filter for digital modes... wider than the uBITX
// needs, but just want to make sure we leave the full audio bandwidth
// open for digimodes, while ensuring we've cut down any extraneous
// noise outside the normal band.
//======================================================================
void audioDigiFilter()
{
// calcBiquad(FilterType,FrequencyC,dBgain,Q,QuantizationUnit,SampleRate,int*);
calcBiquad(FILTER_LOPASS, 5000, 0, 0.707, 524288, 44100, lpFilter);
calcBiquad(FILTER_HIPASS, 100, 0, 0.707, 524288, 44100, hpFilter);
audioCtrl.eqFilter(0, lpFilter);
audioCtrl.eqFilter(1, hpFilter);
audioCtrl.eqFilter(2, lpFilter);
audioCtrl.eqFilter(3, hpFilter);
audioCtrl.eqFilter(4, lpFilter);
audioCtrl.eqFilter(5, hpFilter);
}
*/
int eqFilter1[5];
void audioEqualizer()
{
audioCtrl.audioPreProcessorEnable();
audioCtrl.eqSelect(PARAMETRIC_EQUALIZER);
// calcBiquad(FilterType,FrequencyC,dBgain,Q,QuantizationUnit,SampleRate,int*);
calcBiquad(FILTER_PARAEQ, 2700, 6, 0.707, 524288, 44100, eqFilter1);
// calcBiquad(FILTER_HIPASS, 100, 0, 0.707, 524288, 44100, hpFilter);
audioCtrl.eqFilter(0, eqFilter1);
// audioCtrl.eqFilter(1, hpFilter);
// audioCtrl.eqFilter(2, lpFilter);
// audioCtrl.eqFilter(3, hpFilter);
// audioCtrl.eqFilter(4, lpFilter);
// audioCtrl.eqFilter(5, hpFilter);
}
//======================================================================
// EOF
//======================================================================
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