/* Handshake bitches! */
while (handshake_rx != 'G') {
		
	/* Recieve and send back */
	handshake_rx = RS232_rx();
	RS232_tx(handshake_rx + 1);
	
	/* Wait until a G or F is recieved */
	while (( (handshake_rx = RS232_rx) != 'G') || (handshake_rx != 'F')); 
}