// receiver.pde
//
// Simple example of how to use VirtualWire to receive messages
// Implements a simplex (one-way) receiver with an Rx-B1 module
//
// See VirtualWire.h for detailed API docs
// Author: Mike McCauley (mikem@open.com.au)
// Copyright (C) 2008 Mike McCauley
// $Id: receiver.pde,v 1.3 2009/03/30 00:07:24 mikem Exp $

#include <VirtualWire.h>
char hexNibbleToChar(char nibble)
{
  if (nibble >= '0' && nibble <= '9')
    return nibble - '0';
  else if (nibble >= 'a' && nibble <= 'f')
    return 10 + nibble - 'a';
  else
    return 10 + nibble - 'A';
}


void setup()
{
    Serial.begin(9600);	// Debugging only
    Serial.println("setup-re");

    // Initialise the IO and ISR
    vw_set_ptt_inverted(true); // Required for DR3100
    vw_setup(2000);	 // Bits per sec

    vw_rx_start();       // Start the receiver PLL running
}

void loop()
{
    uint8_t buf[VW_MAX_MESSAGE_LEN];
    uint8_t buflen = VW_MAX_MESSAGE_LEN;

    if (vw_get_message(buf, &buflen)) // Non-blocking
    {
	int i;
        char hex;

        digitalWrite(13, true); // Flash a light to show received good message
	// Message with a good checksum received, dump it.
	Serial.print("Got: ");
	
	for (i = 0; i < buflen; i++)
	{
	    hex = buf[i], HEX;
            //Serial.print(buf[i], HEX);
            Serial.print(hex);
	    Serial.print(" ");
	}
	Serial.println("");
        digitalWrite(13, false);
    }
}