/* this function handles USART wakeup from deepsleep interrupt request  */
void USART0_IRQHandler(void)
/* this function handles USART wakeup from deepsleep interrupt request  */
void USART0_IRQHandler(void)
{
    if (SET == usart_interrupt_flag_get(EVAL_COM1, USART_STAT_WUF,USART_INT_WUIE)){ 
        usart_flag_clear(EVAL_COM1, USART_INC_WUC);
        counter0 = 0x01;
    }
}