// ask_receiver.pde
// -*- mode: C++ -*-
// Simple example of how to use RadioHead to receive messages
// with a simple ASK transmitter in a very simple way.
// Implements a simplex (one-way) receiver with an Rx-B1 module
// Tested on Arduino Mega, Duemilanova, Uno, Due, Teensy, ESP-12

#include <RH_ASK.h>
#ifdef RH_HAVE_HARDWARE_SPI
#include <SPI.h> // Not actually used but needed to compile
#endif

RH_ASK driver;
// RH_ASK driver(2000, 4, 5, 0); // ESP8266 or ESP32: do not use pin 11 or 2
// RH_ASK driver(2000, 3, 4, 0); // ATTiny, RX on D3 (pin 2 on attiny85) TX on D4 (pin 3 on attiny85),
// RH_ASK driver(2000, PD14, PD13, 0); STM32F4 Discovery: see tx and rx on Orange and Red LEDS

void setup()
{
  pinMode(8, OUTPUT);
  digitalWrite(8, 0);
#ifdef RH_HAVE_SERIAL
  Serial.begin(9600);	  // Debugging only
#endif
  if (!driver.init())
#ifdef RH_HAVE_SERIAL
    Serial.println("init failed");
#else
    ;
#endif
}
String message;
void loop()
{
  uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
  uint8_t buflen = sizeof(buf);

  if (driver.recv(buf, &buflen)) // Non-blocking
  {


    // Convert each element of buf to a string and concatenate them
    for (int i = 0; i < buflen; i++)
    {
      message += String(buf[i]);
    }

    // Print the resulting string
    Serial.println(message);

  }
  if (message == "49") {
    digitalWrite(8, 1);
    delay(1000);
    message="";
  }
  else {
    digitalWrite(8, 0);
    message="";
  }
}