main.c

ATmegal128连接128*16的LCD模块的驱动程序

#include     <iom128.h>
#include     <ina90.h>
#include    "TypeDef.h"
#include    "lcd.h"
#include    "keypad.h"
#define	 	xtal 18


#define	bLED_BL1	PORTG_Bit4
#define	bLED_BL2	PORTG_Bit3


byte myTitle0[]	= "It's a fine day today";
byte myTitle1[]	= "Today is Friday and ";
byte myTitle2[]	= "tomorrow is Saturday.";
byte myTitle3[]	= "The LCD has been test";
byte myTitle4[]	= "The next step is for ";
byte myTitle5[]	= "testing the keypad,ha";
byte myTitle6[]	= "    RH-60 VER0.0";
byte myTitle7[]	= "    DSC 2006/7/7";



void delay_1ms(void)
	 {
	  unsigned int i;
 	  for(i=1;i<(unsigned int)(xtal*143-2);i++)
      	; 
	 }
	 

void delay_ms(unsigned int n)
	 {
 	  unsigned int i=0;
   	  while(i<n)
   	  		{
			 delay_1ms();
			 i++;
   			}
	 }


void LcdBackLight(byte step)
{
	bLED_BL1	= (step & 0x02) ? 1 : 0;
	bLED_BL2	= (step & 0x01) ? 1 : 0;
}


void main(void)
{
	byte	brightness;
	byte key;
	
	brightness	 = 0;
	
	_CLI();
	DDRA	= 0x00;
	DDRB	= 0xff;						//	0xb0
	DDRC	= 0xff;						//	LCD Data
	DDRD	= 0xff;
	DDRE	= 0xff;
	DDRF	= 0xff;						
	DDRG	= 0xff;
	PORTB	= 0xff;
	PORTC	= 0xff;
	PORTD	= 0xff;
	PORTE	= 0xff;
	PORTF	= 0xff;
	PORTG	= 0xff;
	
	MCUCR	= 0x00;
	TIMSK	= 0x00;
	_SEI();
	LcdBackLight(3);
	InitLcd();
	LcdClear();
	//PutcR_xy(2,3,'x');
	Puts(0,0,myTitle0,0);
	Puts(0,1,myTitle1,0);
	Puts(0,2,myTitle2,0);
	Puts(0,3,myTitle3,0);
	Puts(0,4,myTitle4,0);
	Puts(0,5,myTitle5,0);
	Puts(0,6,myTitle6,0);
	Puts(0,7,myTitle7,0);
	//PutcR_xy(10,4,'8');

	while(1)
	{
		key	= KeyCheck();
		if (key != 19)
		{
			Putc_xy(0,0,0x30+key/10);
			Putc_xy(1,0,0x30+key%10);
		}
	}
}