/*
 This sketch demonstrates, how to use the SoftRS485 library.
 This library makes use of Arduinos timer 1
 */

#include <SoftRS485.h>

const int buttonPin = 10;     // the number of the pushbutton pin
boolean button_state = true;

void setup() {
  Serial.begin(115200);

  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(buttonPin, INPUT_PULLUP);
}

void loop(){
  boolean new_state = digitalRead(buttonPin);
  if (new_state != button_state){
    button_state = new_state;
    if (new_state == LOW){
      send485("Button pressed");
    } else {
      send485("Button released");
    }
  }
}