//====================================================================== // 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 #include #include "audio.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 #include #include #include #include // 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; */ //====================================================================== // bp_filter // // Band Pass Filter methods. //====================================================================== bp_filter::bp_filter(): filter(filterRX), amp(filterAmp) {} bp_filter::bp_filter(AudioFilterFIR& f, AudioAmplifier& a): filter(f), amp(a) {} void bp_filter::init(const bpf_config& cfg) { set_band(cfg.lo_freq, cfg.hi_freq); set_gain(cfg.gain); } void bp_filter::set_band(double f1, double f2) { freq_lo = f1; freq_hi = f2; } void bp_filter::set_freq_lo(double f) { freq_lo = f; } void bp_filter::set_freq_hi(double f) { freq_hi = f; } void bp_filter::set_center_and_width(double c, double w) { freq_lo = c - (0.5 * w); freq_hi = c + (0.5 * w); } void bp_filter::set_center(double c) { double w = freq_hi - freq_lo; set_center_and_width(c, w); } void bp_filter::set_width(double w) { double c = (freq_lo + freq_hi) * 0.5; set_center_and_width(c, w); } void bp_filter::set_gain(double g) { recovery = g; } void bp_filter::enable() { audioFilter(coefficients, NUM_COEFFICIENTS, ID_BANDPASS, W_HAMMING, freq_lo, freq_hi); filter.begin(coefficients, NUM_COEFFICIENTS); amp.gain(recovery); } void bp_filter::disable() { filter.begin(FIR_PASSTHRU, NUM_COEFFICIENTS); amp.gain(1.0); } //====================================================================== speech_comp::speech_comp(comp_config* cfg) : config_(cfg), comp_(compTX), amp_(compAmp), rms_(compRMS) {} void speech_comp::enable() { config_->enabled = true; comp_.begin(1, config_->threshold, config_->ratio); // Need to make configurable amp_.gain(config_->gain); } void speech_comp::disable() { config_->enabled = false; comp_.disable(); amp_.gain(1.0); } // Speech compressor code based on post by 'hyperdyne': https://forum.pjrc.com/threads/36245-Changing-Pitch-of-Voice void speech_comp::update() { float rms_cur; if (config_->enabled && rms_.available()) { rms_cur = rms_.read(); env_ = rms_cur + (alpha_ * (env_ - rms_cur)); comp_.update_pwr(env_); } } //====================================================================== 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 //======================================================================