问开始在处理中工作，而string不进行比较

EN

String myString = port.readStringUntil(linefeed);

  if (myString != null) {
    print(myString);
    if (myString.equals("SndEprom")) {
      sending = true;
      print("sending set true");
    }

SndEprom
0,255
1,255
2,255
3,255
4,255
5,255
6,255
....

if (strcmp(inData, "read")  == 0){
  Serial.println("SndEprom");
  delay(50);
  sendProm();
}

void sendProm(){
  for (int i=0; i <= 100; i++){
    // read a byte from the current address of the EEPROM
    value = EEPROM.read(address);

    Serial.print(address);
    Serial.print(",");
    Serial.print(value, DEC);
    Serial.println();

    // advance to the next address of the EEPROM
    address = address + 1;

    // there are only 512 bytes of EEPROM, from 0 to 511, so if we're
    // on address 512, wrap around to address 0


    delay(15);
  } 
  address = 0;
}