#include <Wire.h>

#define I2C_ADDRESS 0x04

void setup()
{
	Wire.begin(I2C_ADDRESS);
	Wire.setClock(400000L);
	Wire.onReceive(receiveEvent);
	Wire.onRequest(requestEvent);

	Serial.begin(19200);
	Serial.println(F("Ready"));
}

void loop()
{

}

void receiveEvent(int msgLength)
{
	unsigned long time = millis();
	Serial.print(F("Start receiveEvent "));
	Serial.println(time);

	Serial.print(F("Received: "));
	Serial.print(msgLength);
	Serial.println(F(" bytes"));

	for (uint8_t i = 0; Wire.available(); i++)
	{
		Serial.print(Wire.read(), HEX);
		Serial.print(",");
	}
	Serial.println();
	Serial.println(F("Waiting..."));
	Serial.flush();
	
	_delay_ms(1000);

	Serial.print(F("End receiveEvent "));
	Serial.println(time);
	Serial.flush();
}

void requestEvent()
{
	unsigned long time = millis();
	Serial.print(F("Start requestEvent "));
	Serial.println(time);

	//nop

	Serial.print(F("End requestEvent "));
	Serial.println(time);
}