Update examples

Author: nseidle

examples/Example1_PlayFile/Example1_PlayFile.ino

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+/*
+  Play an MP3 over software serial using the MY1690X MP3 IC
+  By: Nathan Seidle
+  SparkFun Electronics
+  Date: December 10th, 2021
+  License: MIT. See license file for more information but you can
+  basically do whatever you want with this code.
+
+  Feel like supporting our work? Buy a board from SparkFun!
+  https://www.sparkfun.com/products/18642
+
+  Hardware Connections:
+  MY1690 Pin -> Arduino Pin
+  -------------------------------------
+  TXO -> 6
+  RXI -> 4
+  3.3V -> 3.3V
+  GND -> GND
+
+  Don't forget to load some MP3s on your sdCard and plug it in too!
+*/
+
+#include "SparkFun_MY1690_MP3_Library.h" // Click here to get the library: http://librarymanager/All#SparkFun_MY1690
+
+//For boards that support software serial
+#include "SoftwareSerial.h"
+SoftwareSerial serialMP3(6, 4); //RX on Arduino connected to TX on MY1690's, TX on Arduino connected to the MY1690's RX pin
+
+//For boards that have multiple hardware serial ports
+//HardwareSerial serialMP3(2); //Create serial port on ESP32: TX on 17, RX on 16
+
+MY1690 myMP3;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println("MY1690 MP3 Example");
+
+  serialMP3.begin(9600); //The MY1690 expects serial communication at 9600bps
+  
+  if (myMP3.begin(serialMP3) == false) // Beginning the MP3 player requires a serial port (either hardware or software)
+  {
+    Serial.println("Device not detected. Check wiring. Freezing.");
+    while (1);
+  }
+
+  int songCount = myMP3.getSongCount();
+  if (songCount == 0)
+  {
+    Serial.println("Oh no! No songs found. Try adding songs or plugging in the sd card. Freezing.");
+    while (1);
+  }
+
+  Serial.print("Number of tracks on SD card: ");
+  Serial.println(songCount);
+
+  myMP3.setVolume(25); //Max of 30
+
+  myMP3.play(); //Will play the lowest numbered song in the folder
+}
+
+void loop()
+{
+
+}