Arduino side with Serial and SoftSerial

Arduino_comms.ino

// How it was with Serial:
      
      // *** Receive ***
      
        byteCount = -1;
        byteCount =  Serial.readBytesUntil('\n',buffer,bSize);  
      
        if (byteCount  > 0) {          // Really simple parsing
          strcpy(command,strtok(buffer,","));
      
      /*
          Then perform stuff...
      */
      
      // *** Send *** 
      
         }
          Serial.println(theCommand);
    
    
// NOW THIS IS WHAT IT LOOKS LIKE


        // *** Receive ***
        
        SoftwareSerial mySerial(3, 2); // RX, TX
        
        byteCount = 0;
          int finished=0;
          while(finished==0){
            char c = mySerial.read();
            if(c>=0){
              if((c=='|') || byteCount==(bSize-1)){  
                finished=1;
                buffer[byteCount]=0;
              } else {
                buffer[byteCount++]=c;
              }
            }
          }
        
        
          if (byteCount  > 0) {          // Really simple parsing
        
        /*
            Then perform stuff...
        */
        
        // *** Send ****
        
            mySerial.print(theCommand);
            mySerial.print('\n');
            mySerial.flush();