/*
 This sketch demonstrates, how to use the SoftRS485 library.
 It listens on the RS485 network bus.
 When the button is pressed, it sends some messages on the bus.
 */

#include <SoftRS485.h>

#define BUTTON 7

boolean state = LOW;

void setup() {
  Serial.begin(115200);
  Serial.println(F("This is ReceiveDemo, version 0.1"));
  
  init485(2,3,4,5); // library initialization:
  // connect pin 2 to RO of Max485
  // connect pin 3 to ^RE of Max485
  // connect pin 4 to DE of Max485
  // connect pin 5 to DI of Max485
  pinMode(BUTTON,INPUT_PULLUP);
}

void loop(){
  if (available485()) Serial.println("Received: "+get485message());
  
  boolean new_state = digitalRead(BUTTON);
  if (new_state != state){
    if (state){
      for (int i=1; i<16; i++){
        String s = "Button pressed   "+String(i);
        send485(s.c_str());
        delay(100);
      }
    } else send485("Button released!");
    state = new_state;
  }
}