midi-sd-test.c

#include <USBHost_t36.h>

#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>

// GUItool: begin automatically generated code
AudioPlaySdWav           playSdWav1;     //xy=272,942
AudioOutputPT8211        pt8211_1;     //xy=557,951
AudioConnection          patchCord1(playSdWav1, 0, pt8211_1, 0);
AudioConnection          patchCord2(playSdWav1, 1, pt8211_1, 1);
// GUItool: end automatically generated code

// USB
USBHost myusb;
USBHub hub1(myusb);
USBHub hub2(myusb);
MIDIDevice midi1(myusb);

const char* wavFile = "1B.WAV";


void play() {
  if (!playSdWav1.isPlaying()) {
    Serial.println("Playing from SD card...");
    if (!playSdWav1.play(wavFile)) {
      Serial.println("Could not play from SD card!");
      return;
    }
    delay(5);
    while (playSdWav1.isPlaying()) {
      Serial.println("Playing...");
      delay(100);
    }
    Serial.println("Done playing.");
  }
}

void myNoteOn(byte channel, byte note, byte velocity) {
  Serial.print("Note On, ch=");
  Serial.print(channel, DEC);
  Serial.print(", note=");
  Serial.print(note, DEC);
  Serial.print(", velocity=");
  Serial.println(velocity, DEC);

  play();
}


void setup() {
  AudioMemory(20);
  Serial.begin(115200);

  myusb.begin();
  midi1.setHandleNoteOn(myNoteOn);

  if (!(SD.begin(BUILTIN_SDCARD))) {
    Serial.println("Unable to access the SD card");
  }

  if (SD.exists(wavFile)) {
    Serial.println("File exists.");
    play();
  }
  else {
    Serial.println("File doesn't exist.");
  }
}

void loop() {
  myusb.Task();
  midi1.read();
}