/* configure the address of the USART in wake up by address match mode  */
void usart_address_config(uint32_t usart_periph, uint8_t addr)
/* configure the address of the USART in wake up by address match mode  */
void usart_address_config(uint32_t usart_periph, uint8_t addr)
{
    USART_CTL1(usart_periph) &= ~(USART_CTL1_ADDR);
    USART_CTL1(usart_periph) |= (USART_CTL1_ADDR & addr);
}