main._c

atmega128单片机串口调试程序

#include "includes.h"


/*main function of USART communication */
void main()
{
	U8 i,rc,out1,out2;
	
	//port_init();
	uart0_init();
	
	printf("Main running  ...");
		
	while(1)
	{
	    uart0_putchar('a');
	    uart0_putchar(0xd);uart0_putchar(0xa);
	    rc=uart0_waitchar();
	    
		switch(rc)
        {
            case 'x':
		        WDR();
			    WDTCR = 0x0E;
			    while(1);
				break;
           
		    case '0':
			    for(i=0;i<5;i++)
	            {
                    uart0_putchar('0'+i);
	            }
			    delay_ms(100);
				port_init0();
			    out1 = PINA;
			    out2 = PINC;
				break;
				
		    case '1':
		        for(i=5;i<10;i++)
	            {
	            uart0_putchar('0'+i);  
	            }
			    delay_ms(100);
				port_init1();
			    out1 = PINA;
		        out2 = PINC;
				break;
		 
		    case '2':
		        for(i='a';i<='z';i++)
	            {
	            uart0_putchar('a'+i);  
	            }
				delay_ms(100);
				port_init2();
			    out1 = PINA;
		        out2 = PINC;
				break;
		}		
		
	}
}