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BALibrary_HW/examples/Delay/AnalogDelayDemo/AnalogDelayDemo.ino

114 lines
3.1 KiB

//#include <MIDI.h>
#include "BAGuitar.h"
using namespace BAGuitar;
AudioInputI2S i2sIn;
AudioOutputI2S i2sOut;
BAAudioControlWM8731 codec;
#define USE_EXT
#ifdef USE_EXT
ExternalSramManager externalSram(1); // Manage both SRAMs
ExtMemSlot delaySlot; // For the external memory
AudioEffectAnalogDelay myDelay(&delaySlot);
#else
AudioEffectAnalogDelay myDelay(200.0f);
#endif
AudioMixer4 mixer; // Used to mix the original dry with the wet (effects) path.
AudioConnection patch0(i2sIn,0, myDelay,0);
AudioConnection mixerDry(i2sIn,0, mixer,0);
AudioConnection mixerWet(myDelay,0, mixer,1);
AudioConnection leftOut(mixer,0, i2sOut, 0);
AudioConnection rightOut(mixer,0, i2sOut, 1);
unsigned loopCount = 0;
void setup() {
delay(100);
Serial.begin(57600);
codec.disable();
delay(100);
AudioMemory(128);
delay(5);
// Setup MIDI
//usbMIDI.setHandleControlChange(OnControlChange);
Serial.println("Enabling codec...\n");
codec.enable();
delay(100);
#ifdef USE_EXT
Serial.println("Using EXTERNAL memory");
//externalSram.requestMemory(&delaySlot, 1400.0f);
//externalSram.requestMemory(&delaySlot, 1400.0f, MemSelect::MEM0, true);
externalSram.requestMemory(&delaySlot, 1400.0f, MemSelect::MEM1, true);
#else
Serial.println("Using INTERNAL memory");
#endif
myDelay.delay(200.0f);
//myDelay.delay( 128.0f/44100.0f*1000.0f);
//myDelay.delay(0, 0.0f);
//myDelay.delay((size_t)8192);
myDelay.mapMidiBypass(16);
myDelay.mapMidiDelay(20);
myDelay.mapMidiFeedback(21);
myDelay.mapMidiMix(22);
myDelay.enable();
myDelay.bypass(false);
myDelay.mix(1.0f);
myDelay.feedback(0.0f);
mixer.gain(0, 0.0f); // unity gain on the dry
mixer.gain(1, 1.0f); // unity gain on the wet
}
void OnControlChange(byte channel, byte control, byte value) {
myDelay.processMidi(channel, control, value);
Serial.print("Control Change, ch=");
Serial.print(channel, DEC);
Serial.print(", control=");
Serial.print(control, DEC);
Serial.print(", value=");
Serial.print(value, DEC);
Serial.println();
}
void loop() {
// usbMIDI.read() needs to be called rapidly from loop(). When
// each MIDI messages arrives, it return true. The message must
// be fully processed before usbMIDI.read() is called again.
//Serial.println(".");
if (loopCount % 262144 == 0) {
Serial.print("Processor Usage: "); Serial.print(AudioProcessorUsage());
Serial.print(" "); Serial.print(AudioProcessorUsageMax());
Serial.print(" Delay: "); Serial.print(myDelay.processorUsage());
Serial.print(" "); Serial.println(myDelay.processorUsageMax());
}
loopCount++;
if (usbMIDI.read()) {
byte type, channel, data1, data2, cable;
type = usbMIDI.getType(); // which MIDI message, 128-255
channel = usbMIDI.getChannel(); // which MIDI channel, 1-16
data1 = usbMIDI.getData1(); // first data byte of message, 0-127
data2 = usbMIDI.getData2(); // second data byte of message, 0-127
//cable = usbMIDI.getCable(); // which virtual cable with MIDIx8, 0-7
if (type == 3) {
OnControlChange(channel-1, data1, data2);
}
}
}