/*
  Title: attiny_i2c_slave1.ino
  Author: Lucas Lim 
  Date Created: 29/04/2019
  Last Modified: 29/04/2019
  
  Purpose: Receive data from MASTER via the I2C bus
           Blink the LED
*/

#include <TinyWireS.h>

#define I2C_SLAVE_ADDRESS (1)

const int ledPin = 4;       //PB4 - Arduino Pin No. 4
//int times = 0;            //Number of times that LED will blink
byte received = 0;          //Received data(on number of times that LED will blink) from MASTER


void setup()
{
    TinyWireS.begin(I2C_SLAVE_ADDRESS);    // join i2c network as slave

}


void blink_led(int times)
{
    while(times--)
    {
        digitalWrite(ledPin, HIGH);
        delay(500);
        digitalWrite(ledPin, LOW);
        delay(500);
    }
}

 
void loop()
{
    
    if (TinyWireS.available()) {
      received = TinyWireS.receive();
      blink_led(received);
    }
    received = 0;
    
         
    // This needs to be here
    TinyWireS_stop_check();
}