main._c

atmega16与lcd1604的的代码

//ICC-AVR application builder : 2008-4-19 16:50:18
// Target : M16
// Crystal: 8.0000Mhz

#include <iom16v.h>
#include <macros.h>
#include "delay.h"
#include "lcd.h"
#include "KeyScay.h"

void port_init(void)
{
 PORTA = 0x00;
 DDRA  = 0x00;
 PORTB = 0x00;
 DDRB  = 0x00;
 PORTC = 0x00; //m103 output only
 DDRC  = 0x0F;
 PORTD = 0x0F;
 DDRD  = 0xF0;
}

#pragma interrupt_handler int0_isr:2
void int0_isr(void)
{
 //external interupt on INT0
}

//call this routine to initialize all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 port_init();

 MCUCR = 0x00;
 GICR  = 0x40;
 TIMSK = 0x00; //timer interrupt sources
 SEI(); //re-enable interrupts
 //all peripherals are now initialized
} 
 
 void main(void)
 
 {
   unsigned char key_vale;
   
   init_devices();
   
   LCD16xx_init();
   LCD16xx_clr();                     //显示清屏
   delay_nms(100); 
   LCD16xx_write_string(3,0,"Welcome to");
   LCD16xx_write_string(1,1,"SEE MY work");
   LCD16xx_write_string(4,2,"By kang");
   LCD16xx_write_string(3,3,"2006.04.11");
   delay_nms(1000);
   LCD16xx_clr();                     //显示清屏
   delay_nms(500);
  while(1)
  
  { 
   key_vale=key_scay();
   
   LCD16xx_display_onechar(3,0,key_vale);
  }
}