lcd.h

12864LCD单片机程序,包括写入中文字符以及输出数字等

#ifndef __LCD_H__
#define __LCD_H__

sbit	LCD12864_RS=P2^6;		//12864数据/命令选择
sbit	LCD12864_RW=P2^7;		//12864读写控制
sbit	LCD12864_EN=P3^7;		//12864片选信号
#define LCD12864_DATA	P1		//8 bit数据线

#define LOW		0
#define HIGH		1
#define uchar unsigned char
#define uint unsigned int

//12864初始化指令
#define CLEAR_SCREEN	0x01			//清屏指令：清屏且AC值为00H
#define AC_INIT			0x02		//将AC设置为00H。且游标移到原点位置
#define CURSE_ADD		0x06		//设定游标移到方向及图像整体移动方向（默认游标右移，图像整体不动）
#define FUN_MODE		0x30		//工作模式：8位基本指令集
#define DISPLAY_ON		0x0c		//显示开,显示游标，且游标位置反白
#define DISPLAY_OFF		0x08		//显示关
#define CURSE_DIR		0x14		//游标向右移动:AC=AC+1

uchar pdata array_wave[32][2];			//波形显示的单片机RAM缓冲区
uchar pdata m_space[128];			//


unsigned char code wel[]=			//开机画面代码
{
/*------------------------------------------------------------------------------
;  若数据乱码，请检查字模格式设置，注意选择正确的取模方向和字节位顺序。
;  源文件 / 文字 : C:\Documents and Settings\kunyu\桌面\pic.bmp字模
;  宽×高（像素）: 128×64
;  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/1024字节
;  数据转换日期  : 2008-6-6 15:58:39
------------------------------------------------------------------------------*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x0F,0xC0,0x00,0xE0,0x00,0x00,0x00,0xFF,0xFF,0xC0,0x00,
0x00,0x00,0x00,0x00,0x00,0x0F,0xA0,0x00,0xA0,0x00,0x00,0x00,0xFF,0xFF,0xC0,0x00,
0x00,0x00,0x00,0x00,0x00,0x07,0xA0,0x01,0x40,0x00,0x00,0x00,0x01,0xC0,0x00,0x00,
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0x00,0x00,0x40,0x40,0x00,0x00,0x7E,0xEC,0x71,0xC7,0x1D,0x65,0xC1,0xD3,0xA0,0x00,
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0x00,0x00,0x40,0x20,0x00,0x00,0x3C,0x78,0x7D,0xF1,0xCE,0x65,0xF1,0xF1,0xC0,0x00,
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0x00,0x00,0x05,0x3E,0x64,0x04,0x40,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x04,0xA2,0x67,0x83,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x33,0xAB,0xA1,0x33,0xB0,0x32,0x82,0x39,0x3A,0xA8,0x13,0x5D,0x01,0x29,0x10,0x00,
0x2A,0x2A,0x22,0xAA,0x28,0x2A,0x82,0x22,0xA2,0xA8,0x2B,0x4A,0x82,0xBA,0xA8,0x00,
0x2B,0xAB,0xA2,0xB3,0xA8,0x3B,0x82,0x3B,0xBB,0x3B,0xBA,0xCB,0xBB,0xAB,0xA8,0x00,
0x2A,0x2A,0x22,0xA2,0x28,0x29,0x02,0x22,0xA2,0x90,0x2A,0xDA,0x82,0xAA,0xA8,0x00,
0x33,0x93,0xB9,0x23,0xB0,0x31,0x03,0xBA,0xA2,0x90,0x2A,0x5A,0x82,0xAA,0x90,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};

/****************************************************************************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/
/****************************************************延时********************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/

/****************************delay_10us*************************************
10us延时子程
入口参数：uchar n（延时10*n us）
出口参数：无
****************************************************************************/
#ifndef __delay__
#define __delay__


void delay_10us(uchar n)
{
     	do
	{
	    _nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
	}
     	while(--n);
}

/*****************************delay_ms***************************************
ms级延时子程
入口参数：uint n（延时n ms）
出口参数：无
****************************************************************************/
void delay_ms(uint n)
{
     	do
		delay_10us(131);
	while(--n);
}
#endif

/****************************************************************************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/
/***************************************************12864********************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/
/****************************************************************************************************************/

/*****************************ReadBusy***************************************
判断忙标志位子程
入口参数：无
出口参数：无，直到LCD不忙后才返回
****************************************************************************/
void ReadBusy(void)
{
//    delay_10us(1);
	uchar temp1;
	int i; 
	LCD12864_RS=LOW;
	LCD12864_RW=HIGH;
	i = 1;				//TAS
	while (i>0) i--;
	LCD12864_EN=HIGH;
	do
	{				 
		LCD12864_DATA=0xff;		
		temp1=LCD12864_DATA;
	} 
	while(temp1&0x80);
	LCD12864_EN=LOW;
	LCD12864_DATA=0;  
}

/*****************************WriteData**************************************
对LCD写入数据子程
入口参数：uchar lcd_data，代表要写入的8位数据
出口参数：无
****************************************************************************/
void WriteData12864(uchar lcd_data)
{
	int i; 
	LCD12864_RS=HIGH;			
	LCD12864_RW=LOW;	
	i = 1;				//TAS
	while (i>0) i--;
	LCD12864_EN=HIGH;		
	i = 1;				//TPW
	while (i>0) i--;
	LCD12864_DATA=lcd_data;
	i = 1;
	while (i>0) i--;		//TDSW
	LCD12864_EN=LOW;	
}

/****************************WriteCmd12864***********************************
对LCD写入命令子程
入口参数：uchar lcd_cmd，代表由命令组成的8位命令码
出口参数：无