1602.c

AVR典型实例.rar

#define F_CPU 4000000UL
#include <avr\io.h>
#include <avr\delay.h>
#include <avr\interrupt.h>
#include "1602LCD.h"

void init_devices(void) 
{ 
  cli(); //disable all interrupts 
  LCD_init(); 
  MCUCR = 0x00; 
  GICR  = 0x00; 
  TIMSK = 0x00; //timer interrupt sources 
  sei(); //re-enable interrupts 
} 

int main(void) 
{ 
   DDRA= 0xff;
   init_devices(); 
   LCD_write_string(1,0,"Hello,world"); 
   for(;;) 
   { 
   LCD_write_string(0,1,"Welcome to you"); 
   LCD_write_char(13,0,'8');    
   } 
   return 0;  
}