日志
基于單片機(jī)電梯
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//-----------------------------------------------------------------
// 名稱: ULN2803驅(qū)動(dòng)點(diǎn)陣屏仿電梯數(shù)字滾動(dòng)顯示
//-----------------------------------------------------------------
// 說明: 本例模擬了電梯顯示屏上下滾動(dòng)顯示樓層的效果,當(dāng)目標(biāo)樓層大于
// 當(dāng)前樓層時(shí)將向上滾動(dòng)顯示,反之則向下滾動(dòng)顯示.目標(biāo)樓層到達(dá)時(shí)
// 點(diǎn)陣保持穩(wěn)定顯示.
//
//-----------------------------------------------------------------
#include <reg51.h>
#include <intrins.h>
#define INT8 signed char
#define INT8U unsigned char
#define INT16U unsigned int
//數(shù)字0~9的點(diǎn)陣字節(jié)(每個(gè)數(shù)字8字節(jié))
INT8U code Table_OF_Digits[]=
{
0x00,0x3C,0x66,0x42,0x42,0x66,0x3C,0x00, //0
0x00,0x08,0x38,0x08,0x08,0x08,0x3E,0x00, //1
0x00,0x3C,0x42,0x04,0x08,0x32,0x7E,0x00, //2
0x00,0x3C,0x42,0x1C,0x02,0x42,0x3C,0x00, //3
0x00,0x0C,0x14,0x24,0x44,0x3C,0x0C,0x00, //4
0x00,0x7E,0x40,0x7C,0x02,0x42,0x3C,0x00, //5
0x00,0x3C,0x40,0x7C,0x42,0x42,0x3C,0x00, //6
0x00,0x7E,0x44,0x08,0x10,0x10,0x10,0x00, //7
0x00,0x3C,0x42,0x24,0x5C,0x42,0x3C,0x00, //8
0x00,0x38,0x46,0x42,0x3E,0x06,0x3C,0x00 //9
};
INT8 offset = 0; //用于產(chǎn)生滾動(dòng)效果的取點(diǎn)陣字節(jié)偏移變量
INT8U Current_Level = 1;//當(dāng)前樓層號(hào)
INT8U Dest_Level = 1; //目標(biāo)樓層號(hào)
INT8U r = 0, x = 0; //點(diǎn)陣顯示取字節(jié)索引及刷新遍數(shù)控制變量
//------------------------------------------------------------------
// 主程序
//------------------------------------------------------------------
void main()
{
}
//------------------------------------------------------------------
// T0中斷
//------------------------------------------------------------------
void LED_Screen_Display() interrupt 1
{
}
