Is there an alternative to the Software Serial Library?

Firmware
1

I am trying to communicate my Particle Boron 404X board with this mini audio player DFPlayer Pro - A Mini MP3 Player for Arduino WiKi - DFRobot. There is example code on this audio player's website for an Arduino that is dependent on the Software Serial library. I'm new to Particle - can anyone help me figure out how to replace the Software Serial object that is listed in the code here? I know that the Particle board has UART pins so this seems like it should be possible, but I'm struggling to figure it out. Example code for an Arduino posted below:

/*!
 *@file play.ino
 *@brief Music Playing Example Program
 *@details  Experimental phenomenon: control MP3 play music, obtain song information
 *@copyright  Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
 *@license     The MIT license (MIT)
 *@author [fengli](li.feng@dfrobot.com)
 *@version  V1.1
 *@date  2021-10-15
 *@url https://github.com/DFRobot/DFRobot_DF1201S
*/


#include <DFRobot_DF1201S.h>
#include <SoftwareSerial.h>

SoftwareSerial DF1201SSerial(2, 3);  //RX  TX

DFRobot_DF1201S DF1201S;
void setup(void){
  Serial.begin(115200);
  DF1201SSerial.begin(115200);
  while(!DF1201S.begin(DF1201SSerial)){
    Serial.println("Init failed, please check the wire connection!");
    delay(1000);
  }
  /*Set volume to 20*/
  DF1201S.setVol(/*VOL = */20);
  Serial.print("VOL:");
  /*Get volume*/
  Serial.println(DF1201S.getVol());
  /*Enter music mode*/
  DF1201S.switchFunction(DF1201S.MUSIC);
  /*Wait for the end of the prompt tone */
  delay(2000);
  /*Set playback mode to "repeat all"*/
  DF1201S.setPlayMode(DF1201S.ALLCYCLE);
  Serial.print("PlayMode:");
  /*Get playback mode*/
  Serial.println(DF1201S.getPlayMode());

  //Set baud rate to 115200(Need to power off and restart, power-down save)
  //DF1201S.setBaudRate(115200);
  //Turn on indicator LED (Power-down save)
  //DF1201S.setLED(true);
  //Turn on the prompt tone (Power-down save) 
  //DF1201S.setPrompt(true);
  //Enable amplifier chip 
  //DF1201S.enableAMP();
  //Disable amplifier chip 
  //DF1201S.disableAMP();
}

void loop(){
  Serial.println("Start playing");
  /*Start playing*/
  DF1201S.start();
  delay(3000);
  Serial.println("Pause");
  /*Pause*/
  DF1201S.pause();
  delay(3000);
  Serial.println("Next");
  /*Play the next song*/
  DF1201S.next();
  delay(3000);
  Serial.println("Previous");
  /*Play the previous song*/
  DF1201S.last();
  delay(3000);
  Serial.println("Start playing");
  //Fast forward 10S
  DF1201S.fastForward(/*FF = */10);
  //Fast Rewind 10S
  //DF1201S.fastReverse(/*FR = */10);
  //Start the song from the 10th second 
  //DF1201S.setPlayTime(/*Play Time = */10);

  Serial.print("File number:");
  //Get file number
  Serial.println(DF1201S.getCurFileNumber());

  Serial.print("The number of files available to play:");
  //The number of files available to play
  Serial.println(DF1201S.getTotalFile());

  Serial.print("The time length the current song has played:");
  //Get the time length the current song has played 
  Serial.println(DF1201S.getCurTime());

  Serial.print("The total length of the currently-playing song: ");
  //Get the total length of the currently-playing song 
  Serial.println(DF1201S.getTotalTime());
  Serial.print("The name of the currently-playing file: ");
  //Get the name of the playing file 
  Serial.println(DF1201S.getFileName());
  delay(3000);
  //Play the file No.1, the numbers are arranged according to the sequence of the files copied into the U-disk 
  DF1201S.playFileNum(/*File Number = */1);
  //Play the test.mp3 file in test folder 
  //DF1201S.playSpecFile("/test/test.mp3");

  while(1);
  /*Delete the currently-playing file */
  //DF1201S.delCurFile();
}
2

To use the hardware UART you just remove the SoftwareSerial include and object definition and replace DF1201SSerial. with Serial1..
Then use the RX and TX marked pins in place of 2 & 3.

Finally, remove the while(1); line at the end of loop() to keep the Boron from getting locked up when the code is done.

4 Likes
3

Sorry for the delay - thank you! this worked

4

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