mainProject_IRQ

#include "Definitions.h"

ISR(USART0_RX_vect)
{
    while( !(UCSR0A & (1 << RXC0)) )
    //wait for RXC flag
        ;

    /* Loop-back test */
    //PORTB |= (1 << PB7);
    //test_data = UDR0;
    TxFlag = true;
    //enableUDRI0();


    //PORTB &= ~(1 << PB7);
    //PORTB |= (1 << PB7);
    RxBuffer[rxcount++] = UDR0;
    if( !(rxcount < RX_BUF_SZ) )    //rxcount = 0;
    {
        PORTB |= (1 << PB7);
        RxFlag = true;
    }


}

ISR(USART0_UDRE_vect)
{
    while( !(UCSR0A & (1 << UDRE0)) )
    //wait for udr to be empty
        ;

    /* Loop-back test */
    //UDR0 = test_data;
    UDR0 = 0x30 + rxcount;

    //for(int i = 0; i < 2; i++)
        //UDR0 = 0x55;

    //PORTB &= ~(1 << PB7);
    disableUDRI0();
}