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|
| /*----------------------------------------
File: 1602cd.c
Date:Loser007 May 6, 2018 11:11
----------------------------------------*/
#include <AT89X52.h>
#include "LCD1602.h"
unsigned char code str1[] = "I love 51hei";
unsigned char code str2[] = "www.51hei.com/bbs/";
void main(void)
{
unsigned char l, r;
LCD_Init();
LCD_XY_Show(0, 0, str1);
LCD_XY_Show(1, 0, str2);
while(1)
{
for(l = 0; l < 10; l++)
{
LCD_Flash_Left();
Delay(500);
}
for (r = 0; r < 10; r++)
{
LCD_Flash_Right();
Delay(500);
}
Delay(2000);
}
}
/*----------------------------------------
File: LCD1602.H
Date:Loser007 May 6, 2018 10:40
----------------------------------------*/
#ifndef __LCD1602_H__
#define __LCD1602_H__
#pragma SAVE
#pragma REGPARMS
sbit RS = P2 ^ 7;
sbit RW = P2 ^ 6;
sbit EN = P2 ^ 5;
extern void LCD_Delay();
extern void LCD_W_C(); //Wirte Command IOI
extern void LCD_W_D(); //Wirte Data IO
extern void LCD_EN(); //LCD Enable
extern void LCD_DATA_IO(); //DAta
extern void LCD_Write_Command(); //Wirte Command
extern void LCD_Write_DATA(); //Wirte Data
extern void LCD_Write_Custom(); //Custom Character
extern void LCD_Set_XY (); //Set Cursor
extern void LCD_Custom_Show(); //to Show Custom Character
extern void LCD_Clear(); //Clear screen
extern void LCD_Init(); //init
extern void LCD_Flash(); //
extern void Delay(); //old
extern void LCD_Flash_Right(); // >>
extern void LCD_Flash_Left(); // <<
void Delay(unsigned int n) //old
{
unsigned int i, j;
for (i = n; i > 0; i--)
for (j = 114; j > 0; j--);
}
void LCD_Delay()
{
unsigned int i, j;
for (i = 50; i > 0; i--)
for (j = 114; j > 0; j--);
}
void LCD_W_C()
{
RS = 0;
RW = 0;
}
void LCD_W_D()
{
RS = 1;
RW = 0;
}
void LCD_EN()
{
EN = 1;
LCD_Delay();
EN = 0;
LCD_Delay();
EN = 1;
}
void LCD_DATA_IO(unsigned char DATA_IO)
{
P0 = DATA_IO;
}
void LCD_Write_Command(unsigned char CMD)
{
LCD_W_C();
LCD_DATA_IO(CMD);
LCD_EN();
}
void LCD_Write_DATA(unsigned char DATA)
{
LCD_W_D();
LCD_DATA_IO(DATA);
LCD_EN();
}
void LCD_Write_Custom(unsigned int M, unsigned char S[])
{
char m = 0;
LCD_Write_Command(0x40 + M * 0x08);
for (m = 0; m < 8; m++)
{
LCD_Write_DATA(S[m]);
}
}
void LCD_Set_XY(unsigned int X, unsigned int Y)
{
unsigned char Address;
if (X == 0)
{
Address = 0x80 + Y;
}
if (X == 1)
{
Address = 0xC0 + Y;
}
LCD_Write_Command(Address);
}
void LCD_Custom_Show(unsigned int X, unsigned int Y, unsigned int M)
{
LCD_Set_XY(X, Y);
LCD_Write_DATA(M);
}
void LCD_XY_Show(unsigned X, unsigned Y, unsigned char *Str)
{
LCD_Set_XY(X, Y);
while(*Str)
{
LCD_Write_DATA(*Str);
Str++;
}
}
void LCD_Show(unsigned char *Str)
{
while(*Str)
{
LCD_Write_DATA(*Str);
Str++;
}
}
void LCD_Clear()
{
LCD_Write_Command(0x01);
}
void LCD_Flash_Left()
{
LCD_Write_Command(0x18);
}
void LCD_Flash_Right()
{
LCD_Write_Command(0x1C);
}
void LCD_Init()
{
LCD_Write_Command(0x38);
LCD_Write_Command(0x08);
LCD_Write_Command(0x01);
LCD_Write_Command(0x06);
LCD_Write_Command(0x0c);
}
#endif
|
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