/* Disables SIR (IrDA) mode on the specified UART.  */
void UARTDisableIrDA(unsigned long ulBase)
/* Disables SIR (IrDA) mode on the specified UART.  */
void UARTDisableIrDA(unsigned long ulBase)
{
    xASSERT(UARTBaseValid(ulBase));
    xHWREG(ulBase + USART_CR3) &= ~(USART_CR3_IREN);
}