?? lcd-lgm.c

?? 十幾個proteus的仿真實例
?? C
字號:
/*******************************************************
程序功能：LCD漢字及圖形點陣顯示
作者：劍影
廈門大學03級機電工程系
email:gmdengxm@163.com
QQ群：22086176

*********************************************************
接線說明：
80C51  LGM12641BS1R 和 AMPIR 128 X 64
P0.0~7 --- DB0~7
P0.0~7接74ls373	D0~7 = Q0~7
Q0---RW	
Q1---DI(RS)	
Q4 --- CS2( AMPIR 128 X 64）CS1( LGM12641BS1R)
Q5--- CS1( AMPIR 128 X 64）	CS2( LGM12641BS1R)
!(WR&RD) ---- E
ALE ---LE(74ls373)

*********************************************************
AMPIR 128 X 64  命令說明

DI	WR	D7	D6	D5	D4	D3	D2	D1	D0			
 0	0	0	1	1	1	1	1	1	D	*D ＝ 1時顯示開 ×D ＝ 0時顯示關
 0	0	1	1	A	A	A	A	A	A	* 設定顯示開始行寄存器位置
 0	0	1	0	1	1	1	A	A	A	*設定頁地址
 0	0	0	1	A	A	A	A	A	A	*設定列地址
 1	0	D7	0	D5	D4	0	0	0	0	*D7為1表示LCD忙，D7＝0可以讀寫操作，D5 ＝ 1顯示關狀態，D5 ＝ 0顯示開狀態，D4＝1表示正在初始化，D4＝0初始化完畢
 0	1	D	D	D	D	D	D	D	D	*寫入數據，列地址自動加1
 1	1	D	D	D	D	D	D	D	D	*讀取顯示狀態


********************************************************/





#include <REG51.H>
#include <ABSACC.H>

typedef	unsigned char	uchar;
typedef	unsigned int	uint;

/****************LCD讀寫控制字*****************/
											//左半部
#define		LLCD_CMD_WR 	PBYTE[0x10]     //寫命令rs = 0 wr = 0
#define		LLCD_CMD_RD		PBYTE[0x11]		//讀命令rs = 0 wr = 1 
#define		LLCD_DATA_WR	PBYTE[0x12]		//寫數據rs = 1 wr = 0
#define		LLCD_DATA_RD	PBYTE[0x13]		//讀數據rs = 1 wr = 1

											//右半部
#define		RLCD_CMD_WR		PBYTE[0x20]		//同上，為LCD右半部分的讀寫指令
#define		RLCD_CMD_RD		PBYTE[0x21]
#define		RLCD_DATA_WR	PBYTE[0x22]
#define		RLCD_DATA_RD	PBYTE[0x23]

#define		LCD_DOT_MAXX	128			//此LCD為128X64,分左右兩部分,每部分64X64
#define		LCD_DOT_MAXY	64	
#define		LCD_MAXX		8			//以16為一個單位，行上最多可顯示8個單位
#define		LCD_MAXY		4			//列上可以顯示4個單位，整個屏幕可顯示8x4 ＝32個中文字符
sbit		busy = P0^7;

/***************數組定義***********************/
code uchar hanzi1[] =
{
/*--  文字:  廈  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x00,0xF0,0x10,0xF0,0xB0,0xB0,0xF0,0xB0,0xB0,0xF0,0xF0,0x10,0x00,0x00,
0x00,0x10,0x0C,0x07,0x28,0x2B,0x1B,0x1F,0x1F,0x1F,0x17,0x33,0x33,0x30,0x30,0x00,

/*--  文字:  門  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x00,0xE0,0x80,0x10,0x30,0x20,0x20,0x30,0x20,0x20,0x20,0xE0,0x00,0x00,
0x00,0x10,0x18,0x0F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,

/*--  文字:  大  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x80,0xC0,0x80,0x80,0x80,0xF0,0xF0,0x80,0x80,0x80,0x80,0x00,0x00,0x00,
0x00,0x10,0x18,0x18,0x18,0x0C,0x06,0x03,0x01,0x02,0x06,0x0C,0x18,0x38,0x10,0x00,

/*--  文字:  學  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0xC0,0x40,0x70,0x40,0x40,0xF0,0x40,0x40,0x70,0x50,0x40,0xC0,0x00,0x00,
0x00,0x0C,0x05,0x04,0x24,0x25,0x25,0x36,0x1F,0x0D,0x05,0x04,0x04,0x0D,0x0C,0x04,



};

code uchar	hanzi2[] =
{
/*--  文字:  機  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x40,0x40,0xF0,0x40,0x40,0x00,0xE0,0x20,0x20,0xE0,0x20,0x00,0x00,0x00,
0x00,0x04,0x06,0x03,0x3F,0x03,0x12,0x1C,0x0F,0x00,0x00,0x0F,0x18,0x18,0x18,0x08,

/*--  文字:  電  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x40,0xE0,0xA0,0xA0,0xA0,0xF0,0xB0,0xA0,0xA0,0xA0,0xE0,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x06,0x06,0x02,0x0F,0x1A,0x1A,0x32,0x36,0x33,0x30,0x30,0x18,0x00,

/*--  文字:  工  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x00,0x20,0x20,0x20,0x20,0xE0,0x60,0x20,0x20,0x20,0x20,0x00,0x00,0x00,
0x00,0x18,0x08,0x08,0x08,0x08,0x08,0x0F,0x08,0x08,0x08,0x18,0x18,0x18,0x18,0x00,

/*--  文字:  程  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0xC0,0xA0,0xA0,0xE0,0x90,0x90,0xF0,0xF0,0xA0,0xA0,0xA0,0xF0,0x00,0x00,0x00,
0x00,0x06,0x02,0x1F,0x3F,0x01,0x12,0x15,0x15,0x1F,0x1F,0x15,0x15,0x10,0x10,0x00,

/*--  文字:  系  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x20,0xA0,0xA0,0xE0,0xE0,0xA0,0xA0,0x50,0x50,0x10,0x10,0x00,0x00,0x00,
0x00,0x10,0x10,0x18,0x1A,0x2F,0x23,0x3E,0x3E,0x03,0x05,0x09,0x1A,0x18,0x10,0x00,

};

code uchar	hanzi3[] = 
{
/*--  文字:  0  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  3  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

/*--  文字:  機  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x40,0x40,0xF0,0x40,0x40,0x00,0xE0,0x20,0x20,0xE0,0x20,0x00,0x00,0x00,
0x00,0x04,0x06,0x03,0x3F,0x03,0x12,0x1C,0x0F,0x00,0x00,0x0F,0x18,0x18,0x18,0x08,

/*--  文字:  械  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x40,0xC0,0xF0,0x40,0x00,0x40,0xC0,0x40,0xF0,0x40,0xF0,0x40,0x00,0x00,
0x04,0x04,0x02,0x01,0x3F,0x15,0x1A,0x07,0x02,0x1F,0x0F,0x0E,0x19,0x38,0x10,0x10,
};

code uchar	hanzi4[] =
{
/*--  文字:  劍  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x80,0x80,0xC0,0x40,0xA0,0xB0,0xB0,0xC0,0x40,0x00,0xC0,0x00,0x30,0xF0,0x00,0x00,
0x00,0x10,0x18,0x1F,0x18,0x1E,0x08,0x0E,0x08,0x10,0x13,0x30,0x38,0x1F,0x00,0x00,

/*--  文字:  影  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x00,0x00,0x70,0x50,0xD0,0x50,0x70,0x70,0x80,0x40,0x20,0x30,0x90,0x00,0x00,
0x01,0x01,0x11,0x1F,0x27,0x3E,0x07,0x0F,0x31,0x22,0x12,0x11,0x09,0x0C,0x06,0x00,

/*--  文字:  制  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x80,0x40,0x70,0x40,0xF0,0xD0,0xC0,0x40,0x00,0xE0,0x00,0x30,0xF0,0x00,0x00,
0x01,0x01,0x11,0x1F,0x03,0x3F,0x03,0x06,0x1E,0x10,0x17,0x30,0x38,0x1F,0x00,0x00,

/*--  文字:  作  --*/
/*--  隸書12;  此字體下對應的點陣為：寬x高=16x16   --*/
0x00,0x60,0x60,0xE0,0xE0,0x90,0x40,0x60,0x30,0xF0,0x60,0x60,0x60,0x40,0x40,0x00,
0x00,0x00,0x00,0x1F,0x1F,0x00,0x00,0x00,0x00,0x3F,0x05,0x05,0x05,0x05,0x04,0x00,
};

code uchar bmp[] =
{
/*--  寬度x高度=32x32  --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x80,0xC0,0xC0,0xE0,0xF0,0x30,0x18,0x04,0x02,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x80,0x80,0xC0,0xC0,0xE0,0xF0,0xF0,0xF0,0xF8,0xF8,0xFC,0xFC,
0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0x1F,0x0F,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x70,0xFC,0xFE,0xFF,0x7F,0x3B,0x71,0x7B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xE7,0x87,0x07,0x0F,0x0F,0x07,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0F,0x0B,0x01,0x00,0x00,0x00,0x00,0x00,0x03,0x07,0x0E,0x18,0x01,0x03,
0x07,0x0F,0x0F,0x1C,0x18,0x30,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
/***************變量定義***********************/

uchar	x,y;
struct	cursortype
{
	uchar	x,y,side;
}cousor;


/***************函數定義***********************/
void	lcd_cmd_wr(uchar cmdcode, uchar right);		//寫命令
void	lcd_data_wr(uchar ldata, uchar right);		//寫數據
void	lcd_busy_rd(uchar right);		//讀狀態
void	chk_busy(uchar right);
void	lcd_hanzi_wr(uchar posx,uchar posy,uchar *hanzi);
void	lcd_str_wr(uchar row,uchar col,uchar n,uchar *str);
void	lcd_bmp_wr(uchar posx,uchar posy,uchar wth,uchar hgh,uchar *bmp);
void	lcd_rol();
void	lcd_init();
void	delay(uint nms);							//延時 n ms

/****************主函數***********************/

void	main()
{
	lcd_init();

	lcd_str_wr(0,1,4,hanzi1);
	delay(100);
	lcd_str_wr(1,1,5,hanzi2);
	delay(100);
	lcd_str_wr(2,1,4,hanzi3);
	delay(100);
	lcd_str_wr(3,1,4,hanzi4);
	delay(100);
	lcd_bmp_wr(0,0x60,32,32,bmp);
	delay(100);

	while(1)
	{
		lcd_rol();
		delay(1000);
	}
	
}

/****************子函數***********************/
void	lcd_cmd_wr(uchar cmdcode, uchar right)		//寫指令
{
	chk_busy(right);
	if(right == 1)			//如果right ＝ 1，則對右半部進行讀寫
	{
		RLCD_CMD_WR = cmdcode;
	}
	else					//否則寫左半部LCD
	{
		LLCD_CMD_WR = cmdcode;
	}
}

void	lcd_data_wr(uchar ldata, uchar right)		//對LCD進行數據讀寫，
{
	chk_busy(right);		//檢測LCD忙
	if(right == 1)
	{
		RLCD_DATA_WR = ldata;
	}
	else
	{
		LLCD_DATA_WR = ldata;
	}
}

void	lcd_busy_rd(uchar right)
{
	if( right == 1)
	{
		 RLCD_CMD_RD;
	}
	else
	{
		 LLCD_CMD_RD;	
	}
}

void	chk_busy(uchar right)		//檢測LCD忙,right = 1 為右半部，
{
	lcd_busy_rd(right);				//right = 0為左半部，遇忙等待
	while(busy);	
}

void	delay(uint nms)		//延時程序
{
	uint i;
	for(; nms > 0; nms--)
		for(i = 0; i < 500; i++);
}

void	lcd_init()			//LCD初始化
{
	uint k;
	lcd_cmd_wr(0x3e+1,0);		//左半部顯示開
	lcd_cmd_wr(0xc0+0,0);		//左半部頂行為第0行
	lcd_cmd_wr(0xb8+0,0);		//設定左半部頁地址
	lcd_cmd_wr(0x40+0,0);		//設定左半部列地址
	lcd_cmd_wr(0x3e+1,1);		//右半部顯示開
	lcd_cmd_wr(0xc0+0,1);		//右半部頂行設定為第0行
	lcd_cmd_wr(0x40+0,1);		//設定列地址
	lcd_cmd_wr(0xb8+0,1);		//設定頁地址

	for(k = 0; k < 256; k++)	//LCD屏初始化
	{
		lcd_data_wr(0xff,0);
	lcd_data_wr(0xff,1);
	}
	delay(1000);
	lcd_cmd_wr(0xb8+4,0);
	lcd_cmd_wr(0x40+0,0);
	lcd_cmd_wr(0xb8+4,1);
	lcd_cmd_wr(0x40+0,1);
	for(k = 0; k < 256; k++)
	{
		lcd_data_wr(0xff,0);
		lcd_data_wr(0xff,1);
	}
}

void	lcd_hanzi_wr1(uchar posx,uchar posy,uchar * hanzi)		//對LCD在指定位置寫入單個漢字
{
	uchar i;
	if(posy < 4)		//posy < 4 在左半部寫
	{
		lcd_cmd_wr(0xb8+2*posx,0);
		lcd_cmd_wr(0x40+16*posy,0);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[2*i],0);	
		}
		lcd_cmd_wr(0xb8+2*posx+1,0);
		lcd_cmd_wr(0x40+16*posy,0);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[2*i+1],0);
		}
	}
	else		//否則在右半部寫
	{
		lcd_cmd_wr(0xb8+posx*2,1);
		lcd_cmd_wr(0x40+16*(posy-4),1);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[2*i],1);	
		}
		lcd_cmd_wr(0xb8+2*posx+1,1);
		lcd_cmd_wr(0x40+16*(posy-4),1);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[2*i+1],1);
		}
	}
}

void	lcd_hanzi_wr(uchar posx,uchar posy,uchar * hanzi)		//對LCD在指定位置寫入單個漢字
{
	uchar i;
	if(posy < 4)		//posy < 4 在左半部寫
	{
		lcd_cmd_wr(0xb8+2*posx,0);
		lcd_cmd_wr(0x40+16*posy,0);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[i],0);	
		}
		lcd_cmd_wr(0xb8+2*posx+1,0);
		lcd_cmd_wr(0x40+16*posy,0);
		for(i = 16; i < 32; i++)
		{
			lcd_data_wr(hanzi[i],0);
		}
	}
	else		//否則在右半部寫
	{
		lcd_cmd_wr(0xb8+posx*2,1);
		lcd_cmd_wr(0x40+16*(posy-4),1);
		for(i = 0; i < 16; i++)
		{
			lcd_data_wr(hanzi[i],1);	
		}
		lcd_cmd_wr(0xb8+2*posx+1,1);
		lcd_cmd_wr(0x40+16*(posy-4),1);
		for(i = 16; i < 32; i++)
		{
			lcd_data_wr(hanzi[i],1);
		}
	}
}

void	lcd_str_wr(uchar row,uchar col,uchar n,uchar *str)
{
	uchar i;
	for(i = 0 ; i < n; i++)
	{
		if( col > 7)
		{
			row++;
			col = col - 8;	
		}
		lcd_hanzi_wr(row,col,str+i*32);
		col++;	
	}
}

void	lcd_bmp_wr(uchar posx,uchar posy,uchar wth,uchar hgh,uchar *bmp)	//posx 取值為0~3,posy = 0~128,寬wth和高hgh必須為8的倍數
{
	uchar i,j;																//這里行posx如果不取8的倍數，則要另外算
	hgh =hgh/8;

	for(i = 0; i < hgh; i++)
	{		
			if(posy < 64)					//
			{
				lcd_cmd_wr(0xb8+posx+i,0);
				lcd_cmd_wr(0x40+posy,0);
				for(j = 0; j < wth;j++)
				{
				lcd_data_wr(bmp[32*i+j],0);
				}
			}
			else
			{
				lcd_cmd_wr(0xb8+posx+i,1);
				lcd_cmd_wr(0x40+posy-64,1);
				for(j = 0; j < wth; j++)
				{
				lcd_data_wr(bmp[32*i+j],1);
				}
			}
		}
	}

 void	lcd_rol()					//向上滾屏
 {
 	uchar i;
	for(i = 0; i < 64; i++)
	{
		lcd_cmd_wr(0xc0+i,0);
		lcd_cmd_wr(0xc0+i,1);
		delay(10);
	}
 }
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增大字號 Ctrl + =
減小字號 Ctrl + -
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?? 快捷鍵說明
