main.c

基于单片机AT89S52系统的一些测试程序

#include <reg52.h>
#include <stdio.h>
#include <absacc.h>
#include <intrins.h>

typedef unsigned char uint8;
typedef unsigned int  uint16;
typedef long unsigned int  uint32;

#define	LCM_DISPON			0x3f	/* 打开LCM显示												*/
#define LCM_STARTROW		0xc0	/* 显示起始行0，可以用LCM_STARTROW+x设置起始行。(x<64) 		*/
#define	LCM_ADDRSTRX		0xb8	/* 页起始地址，可以用LCM_ADDRSTRX+x设置当前页(即X)。(x<8)	*/
#define	LCM_ADDRSTRY		0x40	/* 列起始地址，可以用LCM_ADDRSTRY+x设置当前列(即Y)。(x<64)	*/	
#define LcdComA 	XBYTE[0x6020]	/* 左半屏控制端口											*/
#define LcdComB 	XBYTE[0x6040]	/* 右半屏控制端口											*/
#define LcdComAll 	XBYTE[0x6060]	/* 全屏控制端口												*/
#define LcdWDataA 	XBYTE[0x6120]	/* 左半屏数据端口											*/
#define LcdWDataB 	XBYTE[0x6140]	/* 右半屏数据端口											*/
#define LcdDataAll 	XBYTE[0x6160]	/* 全屏数据端口												*/

unsigned char code XI[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 西
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x04,0x00,0x04,0x00,0xE4,0x7F,0x24,0x28,0x24,0x24,0xFC,0x23,0x24,0x20,
0x24,0x20,0xFC,0x23,0x24,0x24,0x24,0x24,0x24,0x24,0xE6,0x7F,0x04,0x00,0x00,0x00
};

unsigned char code AN[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 安
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x80,0x00,0xA0,0x40,0x98,0x40,0x88,0x40,0x88,0x26,0x88,0x25,0xEA,0x18,
0x8C,0x08,0x88,0x0C,0x88,0x13,0x88,0x10,0xA8,0x20,0x98,0x60,0x80,0x00,0x00,0x00
};

unsigned char code JIAO[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 交
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x08,0x00,0x08,0x41,0x88,0x40,0x48,0x40,0xA8,0x21,0x08,0x22,0x0A,0x14,
0x0C,0x08,0x08,0x16,0x88,0x21,0x28,0x20,0x48,0x40,0x8C,0x40,0x08,0x40,0x00,0x00
};

unsigned char code TONG[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 通
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x40,0x20,0x42,0x10,0xCC,0x0F,0x00,0x10,0x00,0x20,0xF4,0x5F,0x54,0x42,
0x5C,0x42,0xF4,0x5F,0x5C,0x42,0x56,0x52,0xF4,0x5F,0x00,0x40,0x00,0x40,0x00,0x00
};

unsigned char code DA[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 大
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x20,0x40,0x20,0x40,0x20,0x20,0x20,0x10,0x20,0x08,0x20,0x06,0xFE,0x01,
0x20,0x02,0x20,0x04,0x20,0x08,0x20,0x10,0x20,0x20,0x30,0x60,0x20,0x20,0x00,0x00
};

unsigned char code XUE[]=
{
/*------------------------------------------------------------------------------
  源文件 / 文字 : 学
  宽×高（像素）: 16×16
  字模格式/大小 : 单色点阵液晶字模，横向取模，字节正序/32字节
------------------------------------------------------------------------------*/
0x00,0x00,0x40,0x04,0x30,0x04,0x10,0x04,0x52,0x04,0x5C,0x04,0x50,0x24,0x52,0x44,
0x5C,0x3F,0x50,0x05,0xD8,0x04,0x56,0x04,0x10,0x04,0x50,0x06,0x30,0x04,0x00,0x00
};

/*************************************************
延时子程序
*************************************************/
void delay(uint16 time)
{
	while(time--);
}

/*************************************************
液晶初始化
*************************************************/
void LCM_DispIni(void)
{
	LcdComAll = LCM_DISPON;
	delay(50);
	LcdComAll = LCM_STARTROW;
	delay(50);
	LcdComAll = LCM_ADDRSTRX;
	delay(50);
	LcdComAll = LCM_ADDRSTRY;
	delay(50);
}
/*************************************************
全屏填充
*************************************************/
void LCM_DispFill(uint8 filldata)
{
	uint8 x,y;
	LcdComAll = LCM_STARTROW;
	delay(50);
	for(x=0;x<8;x++)
	{
		LcdComAll = LCM_ADDRSTRX + x;
		delay(50);
		LcdComAll = LCM_ADDRSTRY;
		delay(50);
		for(y=0;y<64;y++)
		{
			LcdDataAll = filldata;
			delay(50);
		}
	}
}

void LCD_init(void)
{
	LCM_DispIni();
	LCM_DispFill(0x00);
}
/*************************************************
向x,y坐标写入数据wrdata
*************************************************/
void LCM_WriteByte(uint8 x,uint8 y,uint8 wrdata)
{
	x = x & 0x7f;
	y = y & 0x3f;
	y = y >> 3;
	if(x<64)
	{
		LcdComA  = LCM_ADDRSTRY + x;
		delay(50);
		LcdComA  = LCM_ADDRSTRX + y;
		delay(50);
		LcdWDataA = wrdata;
		delay(50);
	}
	else
	{
		x = x -64;
		LcdComB  = LCM_ADDRSTRY + x;
		delay(50);
		LcdComB  = LCM_ADDRSTRX + y;
		delay(50);
		LcdWDataB = wrdata;
		delay(50);
	}
}
/*************************************************
在x,y坐标处显示汉字(16X16)
*************************************************/
void PutChinese(uint8 x,uint8 y,uint8 *dat)
{
	uint8 i;
	for(i=0;i<16;i++)
	{
		LCM_WriteByte(x+i,y,*(dat++));
		LCM_WriteByte(x+i,y+8,*(dat++));
	}
}
main()
{	
	//Init_RS232();
	SCON=0x52;      
	TMOD=0x20;
	TH1=0xFD;     // 波特率为9600，晶振=11.0592M
	TR1=1;
	LCD_init();

	PutChinese(16,0,XI);
	PutChinese(32,0,AN);
	PutChinese(48,0,JIAO);
	PutChinese(64,0,TONG);
	PutChinese(80,0,DA);
	PutChinese(96,0,XUE);

	PutChinese(16,16,XI);
	PutChinese(32,16,AN);
	PutChinese(48,16,JIAO);
	PutChinese(64,16,TONG);
	PutChinese(80,16,DA);
	PutChinese(96,16,XUE);

	PutChinese(16,32,XI);
	PutChinese(32,32,AN);
	PutChinese(48,32,JIAO);
	PutChinese(64,32,TONG);
	PutChinese(80,32,DA);
	PutChinese(96,32,XUE);

	PutChinese(16,48,XI);
	PutChinese(32,48,AN);
	PutChinese(48,48,JIAO);
	PutChinese(64,48,TONG);
	PutChinese(80,48,DA);
	PutChinese(96,48,XUE);
	while(1);
}