MCU Atmega128 LED閃爍燈

//FUNCTION : LED PORTA.0 FLASH
/* Test configuration:
MCU: ATmega128

Oscillator: External Clock 07.37280 MHz
Ext. Modules: -
SW: mikroC PRO for AVR
*/

//***********************************************************************
// Include Files
//***********************************************************************
#define uchar unsigned char
#define uint unsigned int

#define Data_IO PORTA //8-LED DATA
#define Data_DDR DDRA //8-LED DATA DIRECTION

//----------------------------------------------------------------------------------------
// Macros
//----------------------------------------------------------------------------------------
#define SETBIT(ADDRESS,BIT) (ADDRESS |= (1<<BIT))
#define CLRBIT(ADDRESS,BIT) (ADDRESS &= ~(1<<BIT))
#define CHKBIT(ADDRESS,BIT) (ADDRESS & (1<<BIT))

void main() {
Data_IO=0xFF; //8-LED DATA PORT IS OUT <1=OUT , 0=IN>
Data_DDR=0xFF;
Data_IO=0x00;
while(1)
{
SETBIT(PORTA,0);
Delay_ms(500);
CLRBIT(PORTA,0) ;
Delay_ms(500);
}

}