Processing 控制 8x8 LED 点阵模拟电梯数字滚动

#include <reg51.h> #include <intrins.h> #define uchar unsigned char #define uint unsigned int uchar code Table[]= { 0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,//0 0x18,0x38,0x78,0x18,0x18,0x18,0x18,0x18,//1 0x00,0x7E,0x02,0x02,0x7E,0x40,0x40,0x7E,//2 0x00,0x7E,0x02,0x02,0x7E,0x02,0x02,0x7E,//3 0x00,0x48,0x48,0x48,0x7E,0x08,0x08,0x08,//4 0x00,0x7E,0x40,0x40,0x7E,0x02,0x02,0x7E,//5 0x00,0x7C,0x40,0x40,0x7C,0x44,0x44,0x7C,//6 0x00,0x7C,0x04,0x04,0x04,0x04,0x04,0x04,//7 0x00,0x7C,0x44,0x44,0x7C,0x44,0x44,0x7C,//8 0x00,0x7E,0x42,0x42,0x7E,0x02,0x02,0x7E,//9

}; uint r= 0; char offset = 0; uchar Current_Level = 1,Dest_Level=1,x=0,t =0;

void main() { Current_Level = 1;//从1开始显示 TMOD = 0x01; //T0工作方式 TH0 = -4000/256;//4ms//每个数字有8字节 TL0 = -4000%256; TR0=1; IE = 0x82; EA =1; while(1); }

void Led_Dispaly() interrupt 1 { uchar i; //在停止滚动时，如果有按键按下，则判断目标楼层 if (Current_Level == Dest_Level ) { if (SBUF == 0x09) Dest_Level = 9; else if (SBUF == 0x08) Dest_Level = 8; else if (SBUF == 0x07) Dest_Level = 7; else if (SBUF == 0x06) Dest_Level = 6; else if (SBUF == 0x05) Dest_Level = 5; else if (SBUF == 0x04) Dest_Level = 4; else if (SBUF == 0x03) Dest_Level = 3; else if (SBUF == 0x02) Dest_Level = 2; else if (SBUF == 0x01) Dest_Level = 1; } TH0 = -4000/256;//4ms TL0 = -4000%256; i = Current_Level *8 + r + offset; P0 = ~Table[i];

//上升显示
if (Current_Level < Dest_Level )
{
	if ( ++r ==8)
	{//每个数字有8字节
			r =0;
		if( ++x ==4)
		{//每完成x次刷新后后偏
			x = 0;
			if(++offset ==8)
			{
				offset = 0;
				Current_Level++;					
			}
			
		}
	}
	
}
//下降显示
else if(Current_Level > Dest_Level )
{
	if ( ++r ==8)
	{//每个数字有8字节
		r =0;
		if( ++x ==4)
		{//每完成x次刷新后前偏
			x = 0;
			if(--offset == -8)
			{
				offset = 0;
				Current_Level--;					
			}
			
		}
	}
	
}
//停止滚动，保持稳定的刷新显示
else
{
	if ( ++r ==8) r =0;		
}