void usart_setup(void)
{
	// Set the port direction.
	TRISCbits.TRISC6 = 0;
	TRISCbits.TRISC7 = 1;

	// High baud rate select (TXSTA)
	TXSTAbits.BRGH = 1;

	// compute the divider for speed (see page 161)
	SPBRG = ((int)(FOSC/(16UL * BAUD) -1));

	// Asynchronous mode (TXSTA)
	TXSTAbits.SYNC = 0;

	// 8 bits reception (RCSTA)
	RCSTAbits.RX9 = 0;

	// enable the receiver (RCSTA)
	RCSTAbits.CREN = 1;

	// 8 bits transmission (TXTSA)
	TXSTAbits.TX9 = 0;

	// enable transmission (TXTSA)
	TXSTAbits.TXEN = 1;

	// enable the Serial Port (RCSTA)
	RCSTAbits.SPEN = 1;
}