forest-all-around/@sampler/Audio_SdFat.latest/examples/HardwareTesting/SGTL5000/QuadChannelOutput/QuadChannelOutput.ino

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2.1 KiB
C++
Executable file

// Quad channel output test
// Play two WAV files on two audio shields.
//
// TODO: add info about required hardware connections here....
//
// Data files to put on your SD card can be downloaded here:
// http://www.pjrc.com/teensy/td_libs_AudioDataFiles.html
//
// This example code is in the public domain.
#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
AudioPlaySdWav playSdWav1;
AudioPlaySdWav playSdWav2;
AudioOutputI2SQuad audioOutput;
AudioConnection patchCord1(playSdWav1, 0, audioOutput, 0);
AudioConnection patchCord2(playSdWav1, 1, audioOutput, 1);
AudioConnection patchCord3(playSdWav2, 0, audioOutput, 2);
AudioConnection patchCord4(playSdWav2, 1, audioOutput, 3);
AudioControlSGTL5000 sgtl5000_1;
AudioControlSGTL5000 sgtl5000_2;
// Use these with the Teensy Audio Shield
#define SDCARD_CS_PIN 10
#define SDCARD_MOSI_PIN 7
#define SDCARD_SCK_PIN 14
// Use these with the Teensy 3.5 & 3.6 SD card
//#define SDCARD_CS_PIN BUILTIN_SDCARD
//#define SDCARD_MOSI_PIN 11 // not actually used
//#define SDCARD_SCK_PIN 13 // not actually used
// Use these for the SD+Wiz820 or other adaptors
//#define SDCARD_CS_PIN 4
//#define SDCARD_MOSI_PIN 11
//#define SDCARD_SCK_PIN 13
void setup() {
Serial.begin(9600);
AudioMemory(10);
sgtl5000_1.setAddress(LOW);
sgtl5000_1.enable();
sgtl5000_1.volume(0.5);
sgtl5000_2.setAddress(HIGH);
sgtl5000_2.enable();
sgtl5000_2.volume(0.5);
SPI.setMOSI(SDCARD_MOSI_PIN);
SPI.setSCK(SDCARD_SCK_PIN);
if (!(SD.begin(SDCARD_CS_PIN))) {
// stop here, but print a message repetitively
while (1) {
Serial.println("Unable to access the SD card");
delay(500);
}
}
}
void loop() {
if (playSdWav1.isPlaying() == false) {
Serial.println("Start playing 1");
playSdWav1.play("SDTEST2.WAV");
delay(10); // wait for library to parse WAV info
}
if (playSdWav2.isPlaying() == false) {
Serial.println("Start playing 2");
playSdWav2.play("SDTEST4.WAV");
delay(10); // wait for library to parse WAV info
}
}