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@ -77,6 +77,7 @@ Dexed::Dexed(int rate) |
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controllers.opSwitch = 0x3f; // enable all operators
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//controllers.opSwitch=0x00;
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lastKeyDown = -1; |
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vuSignal = 0.0; |
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lfo.reset(data + 137); |
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@ -115,6 +116,8 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer) |
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uint16_t i, j; |
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uint8_t note; |
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float sumbuf[n_samples]; |
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float s; |
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const double decayFactor = 0.99992; |
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if (refreshVoice) |
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{ |
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@ -148,9 +151,18 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer) |
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for (j = 0; j < _N_; ++j) |
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{ |
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//sumbuf[i + j] += static_cast<float>(signed_saturate_rshift(audiobuf.get()[j] >> 5, 24, 9)) / 0x8000;
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sumbuf[i + j] += signed_saturate_rshift(audiobuf.get()[j] >> 5, 24, 9) / 32768.0; |
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sumbuf[i + j] += signed_saturate_rshift(audiobuf.get()[j] >> 4, 24, 9) / 32768.0; |
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audiobuf.get()[j] = 0; |
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/*
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int32_t val = audiobuf.get()[j]; |
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val = val >> 4; |
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int32_t clip_val = val < -(1 << 24) ? 0x8000 : val >= (1 << 24) ? 0x7fff : val >> 9; |
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float f = ((float) clip_val) / (float) 0x8000; |
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if ( f > 1.0 ) f = 1.0; |
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if ( f < -1.0 ) f = -1.0; |
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sumbuf[j] += f; |
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audiobuf.get()[j] = 0; |
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*/ |
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} |
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} |
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} |
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@ -158,6 +170,18 @@ void Dexed::getSamples(uint16_t n_samples, int16_t* buffer) |
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fx.process(sumbuf, n_samples); // Needed for fx.Gain()!!!
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// mild compression
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for (i = 0; i < n_samples; i++) |
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{ |
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s = abs(sumbuf[i]); |
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if (s > vuSignal) |
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vuSignal = s; |
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else if (vuSignal > 0.001f) |
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vuSignal *= decayFactor; |
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else |
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vuSignal = 0; |
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} |
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//arm_scale_f32(sumbuf, 0.00015, sumbuf, AUDIO_BLOCK_SAMPLES);
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arm_float_to_q15(sumbuf, buffer, AUDIO_BLOCK_SAMPLES); |
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} |
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@ -636,74 +660,6 @@ bool Dexed::loadVoiceParameters(uint8_t* new_data) |
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return (true); |
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} |
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/*bool Dexed::loadGlobalParameters(uint8_t* new_data)
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{ |
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uint8_t* p_data = data; |
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controllers.values_[kControllerPitchRange] = new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_RANGE]; |
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controllers.values_[kControllerPitchStep] = new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_PITCHBEND_STEP]; |
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controllers.wheel.setRange(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_RANGE]); |
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controllers.wheel.setTarget(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MODWHEEL_ASSIGN]); |
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controllers.foot.setRange(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_RANGE]); |
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controllers.foot.setTarget(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_FOOTCTRL_ASSIGN]); |
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controllers.breath.setRange(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_RANGE]); |
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controllers.breath.setTarget(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_BREATHCTRL_ASSIGN]); |
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controllers.at.setRange(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_RANGE]); |
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controllers.at.setTarget(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_AT_ASSIGN]); |
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controllers.masterTune = (int(new_data[DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MASTER_TUNE] / 100.0) * 0x4000 << 11) * (1.0 / 12); |
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controllers.refresh(); |
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setOPs((*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP1_ENABLE) << 5) | |
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(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP2_ENABLE) << 4) | |
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(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP3_ENABLE) << 3) | |
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(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP4_ENABLE) << 2) | |
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(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP5_ENABLE) << 1) | |
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(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_OP6_ENABLE )); |
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setMaxNotes(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MAX_NOTES)); |
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setMaxNotes(*(p_data + DEXED_GLOBAL_PARAMETER_OFFSET + DEXED_MAX_NOTES)); |
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//panic();
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doRefreshVoice(); |
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//activate();
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#ifdef DEBUG |
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Serial.println(F("Global parameters loaded.")); |
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#endif |
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return (true); |
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}*/ |
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/*bool Dexed::initGlobalParameters(void)
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{ |
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uint8_t init_data[18]; |
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#ifdef DEBUG |
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Serial.println(F("Initializing global parameters")); |
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#endif |
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init_data[DEXED_PITCHBEND_RANGE] = 1; |
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init_data[DEXED_PITCHBEND_STEP] = 1; |
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init_data[DEXED_MODWHEEL_RANGE] = 99; |
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init_data[DEXED_MODWHEEL_ASSIGN] = 7; |
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init_data[DEXED_FOOTCTRL_RANGE] = 99; |
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init_data[DEXED_FOOTCTRL_ASSIGN] = 7; |
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init_data[DEXED_BREATHCTRL_RANGE] = 99; |
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init_data[DEXED_BREATHCTRL_ASSIGN] = 7; |
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init_data[DEXED_AT_RANGE] = 99; |
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init_data[DEXED_AT_ASSIGN] = 7; |
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init_data[DEXED_MASTER_TUNE] = 0; |
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init_data[DEXED_OP1_ENABLE] = 1; |
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init_data[DEXED_OP2_ENABLE] = 1; |
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init_data[DEXED_OP3_ENABLE] = 1; |
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init_data[DEXED_OP4_ENABLE] = 1; |
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init_data[DEXED_OP5_ENABLE] = 1; |
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init_data[DEXED_OP6_ENABLE] = 1; |
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init_data[DEXED_MAX_NOTES] = MAX_NOTES; |
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loadGlobalParameters(init_data); |
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return (true); |
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}*/ |
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void Dexed::setPBController(uint8_t pb_range, uint8_t pb_step) |
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{ |
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#ifdef DEBUG |
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@ -801,6 +757,7 @@ void Dexed::setPortamentoMode(uint8_t portamento_mode, uint8_t portamento_glissa |
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controllers.refresh(); |
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} |
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/*
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// https://www.musicdsp.org/en/latest/Effects/169-compressor.html#
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void compress |
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( |
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@ -878,4 +835,4 @@ void compress |
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float rightchannel = wav[i][1] * gain; |
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} |
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} |
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*/ |
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