zz.c.100830215336

avr基础程序大全

#include <iom16v.h>
#include <macros.h>
#include "12864.h"
#include "adc.h"
#define  uchar unsigned char
#define  uint  unsigned int
void port_init()
    {
	 DDRD = 0xFF;				
	 PORTD = 0x00;
	 DDRC = 0xFF;	
	 PORTC = 0x00; 
	 DDRA = 0xFE;	
	 PORTA = 0x00;
	 PORTC|=BIT(2)+BIT(5);;
	PORTC&=~BIT(4);
	}    
void main()
	{
	uint adc;
	port_init();			    
	lcd12864_init();
	cls();					    
	delay_ms(2);
	locate(1,3);write_hz("滨州学院");
	locate(2,1);write_hz("创新实验室  OK");	  
	locate(3,1);write_hz("ATmega16 ADC学习");	  
	locate(4,1);write_hz("测量电压       V");
	while(1)
	   {
	      adc=mega16_adc()*4.888;
		  locate(4,5);
		  write_hz(":");
		  write_shuju(1,(adc/1000)+0x30);
		  write_hz(".");
		  write_shuju(1,((adc/100)%10)+0x30);
		  write_shuju(1,((adc/10)%10)+0x30);
		  write_shuju(1,(adc%10)+0x30);  
	   }

	}