//  Week 15 - Networking and Communications
//  ATtiny44A board, with 20 external Mhz Clock - Input Devices Week
//  Network node 2
//
//  Author: Jari Uusitalo

// Modified 30.4.2019
// by Michael 0

#include <SoftwareSerial.h>
//#define txPin 1     // PA1 --> Pin 12 ATtiny
//#define rxPin 0     // PA0 --> Pin 13 ATtiny

SoftwareSerial mySerial(0, 1); // RX, TX

const char node = '2'; // network address
const int rgb_led = 8;

int incomingByte;  //from node

void setup() {
  mySerial.begin(9600);
  pinMode(rgb_led, OUTPUT);                                                                   
  pinMode(1, INPUT);
  digitalWrite(rgb_led, HIGH);
}

void loop() {
  // changed this from an if statement to while
  while(mySerial.available() > 0) {
    incomingByte = mySerial.read();
    
    if (incomingByte == node) { // node check
      digitalWrite(rgb_led, LOW);    
      pinMode(1, OUTPUT); // open line to write
      mySerial.print("node ");  
      mySerial.println(node);  //'2'
      mySerial.println(" is on"); 
      pinMode(1, INPUT); //tx goes back to input
      delay(200);
      digitalWrite(rgb_led, HIGH); 
      delay(200);
      } else { 
         mySerial.println(" no input");    
    }
  }
}