AT Command Sener/Parser for ESP8266

gistfile1.txt

bool modem_command(String command, String expected_result_excerpt , unsigned int timeout){
  String response;
  if (DEBUG) Serial.print("[MODEM] " + command);
 
  //Send the AT command
  mySerial.println(command);
  while (mySerial.available() == 0);  // wait for first char
  
  //Wait and process repsonse
  unsigned long lastRead = millis();   // last time a char was available
  while (millis() - lastRead < timeout){   
    while (mySerial.available()){
      response = mySerial.readString();
	  //Serial.println(response);
      lastRead = millis();   // update the lastRead timestamp
    }}

  //Check if response was acceptable
  if (response.indexOf(expected_result_excerpt) > 0) {
	  if(DEBUG) Serial.println(" [OK]");
	  return true;
  }
  else {
	  if(DEBUG) Serial.println(" [FAIL]");
	  return false;
  }
}

void modem_command(String command, unsigned int timeout) {
	String response;
	if (DEBUG) Serial.println("[MODEM] " + command);

	//Send the AT command
	mySerial.println(command);
	while (mySerial.available() == 0);  // wait for first char

	//Wait and process repsonse
	unsigned long lastRead = millis();   // last time a char was available
	while (millis() - lastRead < timeout) {
		while (mySerial.available()) {
			response = mySerial.readString();
			//Serial.println(response);
			lastRead = millis();   // update the lastRead timestamp
		}
	}
}