16×16 c52.c

几年搜的LED显示屏程序大全20多个实例带仿真.rar

//proteus仿真论坛:http://proteus.5d6d.com
#include <AT89X52.H>
#include <intrins.h>
#define  uint unsigned int
#define  uchar unsigned char

#define  BLKN 2  		/*列存贮器数，表示8*8led组合的行数*/

sbit E1 	=P3^4;		//74HC154(18)-E1 为0开列(col)输出  显示允许控制信号端口
sbit ST_CP	=P3^2;		//74HC595(12)-ST_CP 上升沿--移位寄存器的数据进入数据存储寄存器 输出锁存器的时钟信号端口
sbit MR 	=P3^3; 		//74HC595(10)-MR 为0将移位寄存器的数据清0

void delay(unsigned int);  //延时函数
uchar data dispram[32];  //显示缓存


uchar code bmp[][32]={	//字模表
//{										  
//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,			
//},
{
0x00,0x08,0x00,0x08,0xF8,0x0B,0x28,0x09,0x29,0x09,0x2E,0x09,0x2A,0x09,0xF8,0xFF,
0x28,0x09,0x2C,0x09,0x2B,0x09,0x2A,0x09,0xF8,0x0B,0x00,0x08,0x00,0x08,0x00,0x00,/*"单",2*/
},{
0x00,0x80,0x00,0x40,0x00,0x30,0xFE,0x0F,0x10,0x01,0x10,0x01,0x10,0x01,0x10,0x01,
0x10,0x01,0x1F,0x01,0x10,0x01,0x10,0xFF,0x10,0x00,0x18,0x00,0x10,0x00,0x00,0x00,/*"片",3*/
},{
0x08,0x04,0x08,0x03,0xC8,0x00,0xFF,0xFF,0x48,0x00,0x88,0x41,0x08,0x30,0x00,0x0C,
0xFE,0x03,0x02,0x00,0x02,0x00,0x02,0x00,0xFE,0x3F,0x00,0x40,0x00,0x78,0x00,0x00,/*"机",4*/
},{
0x40,0x00,0x20,0x00,0x10,0x00,0xEC,0x7F,0x07,0x40,0x0A,0x20,0x08,0x18,0x08,0x06,
0xF9,0x01,0x8A,0x10,0x8E,0x20,0x88,0x40,0x88,0x20,0xCC,0x1F,0x88,0x00,0x00,0x00,/*"仿",5*/
},{
0x00,0x10,0x04,0x90,0x04,0x90,0x04,0x50,0xF4,0x5F,0x54,0x35,0x5C,0x15,0x57,0x15,
0x54,0x15,0x54,0x35,0x54,0x55,0xF4,0x5F,0x04,0x90,0x06,0x90,0x04,0x10,0x00,0x00,/*"真",6*/
}					};
               
void main( )
{
	uchar num,cur,tmp,nums=sizeof(bmp)/32;
												//num:当前显示的文字块指针
												//cur:当前文字块的断码指针(bmp)
												//tmp:临时变量
												//nums:总文字块数
	SCON = 0x00;	//串口工作模式0；移位寄存器方式
	TMOD = 0x01;	//定时器T0工作方式1：16位方式
	TR0  = 1;   	//T1
	P1   = 0x3f;	//		
	IE   = 0x82;	//中断允许设置



	while (1)
	{
		delay(1000);					//2种效果之间的停顿
//		for(tmp=0;tmp<1;tmp++)			//让卷动效果只显示一次
		{
			//delay(2000);				//延时2s 一条标语滚动一次前的延时时间
			delay(100);
			for(num=0;num<nums;num++)
			{
				for(cur=0;cur<32;cur++)	//显示效果：卷帘出
				{
					dispram[cur]=bmp[num][cur];
					if((cur % 2)==1)
						delay(100);
				}
				delay(100);	
			}
		}
		delay(1000);					//2种效果之间的停顿
//		for(tmp=0;tmp<1;tmp++)			//让卷动效果只显示一次
		{
			//delay(2000);				//延时2s 一条标语滚动一次前的延时时间
			delay(100);
			for(num=0;num<nums;num++)
			{
				for(cur=31;cur<0xff;cur--)//显示效果：卷帘入 当cur为0时,再循环一次就为0xff
				{
					dispram[cur]=bmp[num][cur];
					if((cur % 2)==0)
						delay(100);
				}
				delay(100);	
			}
		}
	}
}


///////延时函数
void delay(uint dt)
{
	uchar bt;
	for(;dt;dt--)
		for(bt=0;bt<255;bt++);

}

//////////显示屏扫描（定时器T0中断）函数
void leddisplay(void) interrupt 1 using 1
{
	static uchar col=0;

	TH0 = 0xF8;					//设定显示屏刷新率62.5帧/S
	TL0 = 0x30;

	MR=0;				//清理行输出，将移位寄存器的数据清0
	MR=1;
	
	SBUF = dispram[col*2];	//送显示数据
	while(TI==0);			//等待发送完毕
		T1 = 0;
	SBUF = dispram[col*2+1];	//送显示数据
	while(TI==0);			//等待发送完毕
		T1 = 0;	

	E1 = 1;			//消隐（关闭显示）

	P1 = 0xF0;		//行号端口清0 	多余2行，但是去掉后不行
	P1 = 0xF0;		//行号端口清0


	E1 = 0;			//打开显示
	ST_CP =1;		//显示数据打入输出锁存器
	ST_CP = 0;		//锁存显示数据
	P1 = col;		//写入行号
	col=(col+1)%16;
}