WiFi_ESP8266_AT_Commands.ino

void handleSerialComms() {
  while (Serial1.available()) {
    char inByte = Serial1.read();
    Serial.write(inByte);
  }
  while (Serial.available()) {
    int inByte = Serial.read();
    Serial1.write(inByte);
  }
}

void sendCmd(String s) {
  Serial1.println(s);
  handleSerialComms();
}

void sendCmdExpect(String s, String x) {
  Serial1.println(s);
  Serial1.flush();
  Serial.println("Executing ["+s+"]");
  if (Serial1.find(const_cast<char*>(x.c_str()))) {
    Serial.println("Successfully executed ["+s+"]");
  } else {
    Serial.println("Timeout executing ["+s+"]");
  }
  handleSerialComms();
}

void setup() {
  pinMode(8, OUTPUT);
  digitalWrite(8, HIGH);
  
  Serial.begin(115200);
  Serial.println("Booting up...");

  Serial1.setTimeout(60000);
  Serial1.begin(115200);

  Serial.println("Waiting for WiFi Module to be ready...");
  if (Serial1.find("ready")) {
    Serial.println("WiFi Module is ready!");
    handleSerialComms();
  } else {
    Serial.println("WiFi Module timed out while waiting for it to be ready.");
  }
  
  sendCmdExpect("AT", "OK");
  sendCmdExpect("AT+RST", "ready");
  sendCmdExpect("AT+CWMODE_DEF=3", "OK");
  sendCmdExpect("AT+CWMODE_CUR=3", "OK");
  sendCmdExpect("AT+CWMODE=3", "OK");
  sendCmdExpect("AT+CWAUTOCONN=0", "OK");
  sendCmdExpect("AT+CWQAP", "OK");
  sendCmdExpect("AT+CWLAP", "OK");
  sendCmdExpect("AT+CWJAP=\"AFRODITA\",\"A38sJjf3X7ByyFJ3\"", "OK");
  sendCmdExpect("AT+CIFSR", "OK");
  sendCmdExpect("AT+CIPMUX=1", "OK");
  sendCmdExpect("AT+CIPSERVER=1,9981", "OK");
  sendCmdExpect("AT", "OK");
}

void loop() {
  handleSerialComms();
}