lcd显示中英文.i

CVAVR编写的1602LCD显示中英文

/*****************************************************
This program was produced by the
CodeWizardAVR V1.25.9 Standard
Automatic Program Generator
?Copyright 1998-2008 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project : 
Version : 
Date    : 2009-2-28
Author  : WangHui
Company : HoHai University
Comments: 


Chip type           : ATmega16L
Program type        : Application
Clock frequency     : 4.000000 MHz
Memory model        : Small
External SRAM size  : 0
Data Stack size     : 256
*****************************************************/
// CodeVisionAVR C Compiler
// (C) 1998-2001 Pavel Haiduc, HP InfoTech S.R.L.

// I/O registers definitions for the ATmega16


#pragma used+
#pragma used+
sfrb TWBR=0;
sfrb TWSR=1;
sfrb TWAR=2;
sfrb TWDR=3;
sfrb ADCL=4;
sfrb ADCH=5;
sfrw ADCW=4;      // 16 bit access
sfrb ADCSRA=6;
sfrb ADMUX=7;
sfrb ACSR=8;
sfrb UBRRL=9;
sfrb UCSRB=0xa;
sfrb UCSRA=0xb;
sfrb UDR=0xc;
sfrb SPCR=0xd;
sfrb SPSR=0xe;
sfrb SPDR=0xf;
sfrb PIND=0x10;
sfrb DDRD=0x11;
sfrb PORTD=0x12;
sfrb PINC=0x13;
sfrb DDRC=0x14;
sfrb PORTC=0x15;
sfrb PINB=0x16;
sfrb DDRB=0x17;
sfrb PORTB=0x18;
sfrb PINA=0x19;
sfrb DDRA=0x1a;
sfrb PORTA=0x1b;
sfrb EECR=0x1c;
sfrb EEDR=0x1d;
sfrb EEARL=0x1e;
sfrb EEARH=0x1f;
sfrw EEAR=0x1e;   // 16 bit access
sfrb UBRRH=0x20;
sfrb UCSRC=0X20;
sfrb WDTCR=0x21;
sfrb ASSR=0x22;
sfrb OCR2=0x23;
sfrb TCNT2=0x24;
sfrb TCCR2=0x25;
sfrb ICR1L=0x26;
sfrb ICR1H=0x27;
sfrb OCR1BL=0x28;
sfrb OCR1BH=0x29;
sfrw OCR1B=0x28;  // 16 bit access
sfrb OCR1AL=0x2a;
sfrb OCR1AH=0x2b;
sfrw OCR1A=0x2a;  // 16 bit access
sfrb TCNT1L=0x2c;
sfrb TCNT1H=0x2d;
sfrw TCNT1=0x2c;  // 16 bit access
sfrb TCCR1B=0x2e;
sfrb TCCR1A=0x2f;
sfrb SFIOR=0x30;
sfrb OSCCAL=0x31;
sfrb OCDR=0x31;
sfrb TCNT0=0x32;
sfrb TCCR0=0x33;
sfrb MCUCSR=0x34;
sfrb MCUCR=0x35;
sfrb TWCR=0x36;
sfrb SPMCR=0x37;
sfrb TIFR=0x38;
sfrb TIMSK=0x39;
sfrb GIFR=0x3a;
sfrb GICR=0x3b;
sfrb OCR0=0X3c;
sfrb SPL=0x3d;
sfrb SPH=0x3e;
sfrb SREG=0x3f;
#pragma used-

// Interrupt vectors definitions


// Needed by the power management functions (sleep.h)
#asm
	#ifndef __SLEEP_DEFINED__
	#define __SLEEP_DEFINED__
	.EQU __se_bit=0x40
	.EQU __sm_mask=0xB0
	.EQU __sm_powerdown=0x20
	.EQU __sm_powersave=0x30
	.EQU __sm_standby=0xA0
	.EQU __sm_ext_standby=0xB0
	.EQU __sm_adc_noise_red=0x10
	.SET power_ctrl_reg=mcucr
	#endif
#endasm


// CodeVisionAVR C Compiler
// (C) 1998-2006 Pavel Haiduc, HP InfoTech S.R.L.

// Prototypes for standard I/O functions


// CodeVisionAVR C Compiler
// (C) 1998-2002 Pavel Haiduc, HP InfoTech S.R.L.

// Variable length argument list macros



typedef char *va_list;
typedef char *va_list;
typedef char *va_list;





#pragma used+

char getchar(void);
void putchar(char c);
void puts(char *str);
void putsf(char flash *str);

char *gets(char *str,unsigned int len);

void printf(char flash *fmtstr,...);
void sprintf(char *str, char flash *fmtstr,...);
void snprintf(char *str, unsigned int size, char flash *fmtstr,...);
void vprintf (char flash * fmtstr, va_list argptr);
void vsprintf (char *str, char flash * fmtstr, va_list argptr);
void vsnprintf (char *str, unsigned int size, char flash * fmtstr, va_list argptr);
signed char scanf(char flash *fmtstr,...);
signed char sscanf(char *str, char flash *fmtstr,...);




                                   

            


#pragma used-

#pragma library stdio.lib


// CodeVisionAVR C Compiler
// (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L.


#pragma used+
#pragma used+

void delay_us(unsigned int n);
void delay_ms(unsigned int n);

#pragma used-

// Alphanumeric LCD Module functions
#asm
   .equ __lcd_port=0x1B
#endasm
/* LCD driver routines

  CodeVisionAVR C Compiler
  (C) 1998-2003 Pavel Haiduc, HP InfoTech S.R.L.

  BEFORE #include -ING THIS FILE YOU
  MUST DECLARE THE I/O ADDRESS OF THE
  DATA REGISTER OF THE PORT AT WHICH
  THE LCD IS CONNECTED!

  EXAMPLE FOR PORTB:

    #asm
        .equ __lcd_port=0x18
    #endasm
    #include <lcd.h>

*/


#pragma used+
#pragma used+

void _lcd_ready(void);
void _lcd_write_data(unsigned char data);
// write a byte to the LCD character generator or display RAM
void lcd_write_byte(unsigned char addr, unsigned char data);
// read a byte from the LCD character generator or display RAM
unsigned char lcd_read_byte(unsigned char addr);
// set the LCD display position  x=0..39 y=0..3
void lcd_gotoxy(unsigned char x, unsigned char y);
// clear the LCD
void lcd_clear(void);
void lcd_putchar(char c);
// write the string str located in SRAM to the LCD
void lcd_puts(char *str);
// write the string str located in FLASH to the LCD
void lcd_putsf(char flash *str);
// initialize the LCD controller
unsigned char lcd_init(unsigned char lcd_columns);

#pragma used-
#pragma library lcd.lib



typedef unsigned char byte;
flash byte char0[8]={31,4,4,31,4,4,10,17};  	//天的字型
flash byte char1[8]={4,4,7,4,4,4,4,31};         //上的字型
flash byte char2[8]={15,9,15,9,15,9,9,19};		//月的字型
flash byte char3[8]={4,15,18,15,10,31,2,2};		//年的字型
flash byte char4[8]={31,4,4,14,4,4,31,32};		//王的字型
flash byte char5[8]={21,14,4,31,10,10,11,18}; 	//光的字型
flash byte char6[8]={31,21,15,10,31,2,31,2}; 	//军的字型
flash byte char7[8]={4,8,31,17,31,27,31,17};    //向的字型
flash unsigned char dis_str[]="HoHai University,welcome you! *_*";

void define_char(byte flash *pc,byte char_code)          //自定义字符子程序
{
	byte i,a;
	a=(char_code<<3) | 0x40;
	for (i=0; i<8; i++) lcd_write_byte(a++,*pc++);
}  

void main(void)                                 //主程序
{   
    char lcd_buffer[20];                    //定义20字节的LCD缓冲区
	unsigned char flash *str;               //定义指针变量
	str = dis_str;                          //指针str指向数组dis_str首字母
	lcd_init(16);			// initialize the LCD for 2 lines & 16 columns

	define_char(char0,0);  // define user character 0//天的字型
	define_char(char1,1);  // define user character 1//上的字型
	define_char(char2,2);  // define user character 2//月的字型
    define_char(char3,3);  // define user character 3//年的字型
    define_char(char4,4);  // define user character 4//王的字型
    define_char(char5,5);  // define user character 5//光的字型
    define_char(char6,6);  // define user character 6//军的字型
    define_char(char7,7);  // define user character 7//向的字型
	    
	    
	while (1)
	{   
	    lcd_clear();                     //清空LCD
	    lcd_gotoxy(0,0);                 // 光标定位在第1行第1列
	    sprintf(lcd_buffer,"%4d",2009);  //输出数字2009
        lcd_puts(lcd_buffer); //显示
    	
    	lcd_putchar(3);             //输出“年”
    	lcd_putchar('x');           //输出“x”
    	lcd_putchar(2);             //输出“月”
	    lcd_putchar(' ');           //输出空格
	
	    lcd_putchar(0);			    //接在后面显示"天天向上"
	    lcd_putchar(0);
	    lcd_putchar(7);
	    lcd_putchar(1);
    
        lcd_putchar(' ');
	    lcd_putchar(4);	             //接在后面显示"王辉"		   
	    lcd_putchar(5);
	    lcd_putchar(6);
    	
    	lcd_gotoxy(0,1);              //光标定位在第2行第1列
	    lcd_putsf(str);	              //显示内容
	    if (*str++ == 0) str = dis_str; //判断是否结束，结束则从头开始
    	delay_ms(1000);                //延时1秒                               

	}
}