/**********************************************************
程序名稱：LED搖搖棒顯示64*16像素
簡要說明：外部中斷方式INT0顯示；取模方式：縱向取模、字節倒序

**********************************************************/
#include <AT89X52.h>
#define uchar unsigned char
#define uint unsigned int    //宏定義
#define KEY P3_0      //定義畫面切換按鍵
uchar KY;      //KY作用在后面說明     
uchar disp;     //顯示漢字指針
uchar pic=0,num=0;     //pic為按鍵次數；num為中斷次數

uchar code love[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x3F,0x00,0x20,0x00,0x20,0x00,0x20,
0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x0F,
0x04,0x10,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x04,0x10,0xF8,0x0F,0x00,0x00,
0x00,0x00,0x00,0x00,0xFE,0x07,0x00,0x08,0x00,0x10,0x00,0x20,0x00,0x20,0x00,0x10,
0x00,0x08,0xFE,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x3F,0x82,0x20,0x82,0x20,
0x82,0x20,0x82,0x20,0x82,0x20,0x82,0x20,0x82,0x20,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*LOVE*/
};

uchar code loveyou[] = {
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x78,0x00,0xFC,0x00,0xFE,0x01,0xFE,0x03,0xFE,0x07,0xFE,0x0F,0xFE,0x1F,0xFC,0x3F,
0xF8,0x7F,0xFC,0x3F,0xFE,0x1F,0xFE,0x0F,0xFE,0x07,0xFE,0x03,0xFE,0x01,0xFC,0x00,
0x78,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*心形圖案*/
};

uchar code hehe[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x01,0x40,0x01,0xC0,0x01,0x00,0x00,0x00,0x00,
0xF0,0x0F,0x08,0x10,0x04,0x20,0x00,0x00,0x00,0x00,0xF0,0x3F,0x08,0x00,0x04,0x00,
0x04,0x00,0x04,0x00,0x08,0x00,0xF0,0x3F,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x20,
0x00,0x20,0x00,0x20,0x00,0x20,0x00,0x00,0x00,0x00,0xF0,0x3F,0x08,0x00,0x04,0x00,
0x04,0x00,0x04,0x00,0x08,0x00,0xF0,0x3F,0x00,0x00,0x00,0x00,0x04,0x20,0x08,0x10,
0xF0,0x0F,0x00,0x00,0x00,0x00,0xC0,0x01,0x40,0x01,0xC0,0x01,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*呵呵o(∩_∩)o圖案*/
};

unsigned char code hanzi[] = {
//-- 歡 --
      0x04,0x10,0x34,0x08,0xC4,0x06,0x04,0x01,
      0xC4,0x82,0x3C,0x8C,0x20,0x40,0x10,0x30,
      0x0F,0x0C,0xE8,0x03,0x08,0x0C,0x08,0x10,
      0x28,0x60,0x18,0xC0,0x00,0x40,0x00,0x00,
//-- 迎 --
      0x40,0x00,0x42,0x40,0x44,0x20,0xC8,0x1F,
      0x00,0x20,0xFC,0x47,0x04,0x42,0x02,0x41,
      0x82,0x40,0xFC,0x7F,0x04,0x40,0x04,0x42,
      0x04,0x44,0xFE,0x63,0x04,0x20,0x00,0x00,
//-- 使 --
      0x40,0x00,0x20,0x00,0xF8,0xFF,0x07,0x00,
      0x04,0x80,0xF4,0x43,0x14,0x45,0x14,0x29,
      0x14,0x19,0xFF,0x17,0x14,0x21,0x14,0x21,
      0x14,0x41,0xF6,0xC3,0x04,0x40,0x00,0x00,
//-- 用 --
      0x00,0x80,0x00,0x60,0xFE,0x1F,0x22,0x02,
      0x22,0x02,0x22,0x02,0x22,0x02,0xFE,0x7F,
      0x22,0x02,0x22,0x02,0x22,0x42,0x22,0x82,
      0xFF,0x7F,0x02,0x00,0x00,0x00,0x00,0x00,
//-- 神 --
      0x08,0x01,0x88,0x00,0x49,0x00,0xEE,0xFF,
      0x58,0x00,0x88,0x00,0x00,0x00,0xF8,0x1F,
      0x88,0x08,0x88,0x08,0xFF,0xFF,0x88,0x08,
      0x88,0x08,0xFC,0x1F,0x08,0x00,0x00,0x00,
//-- 奇 --
      0x40,0x00,0x40,0x00,0x44,0x00,0x44,0x3E,
      0x64,0x12,0x54,0x12,0x4C,0x12,0x47,0x12,
      0x4C,0x3F,0x54,0x42,0x74,0x80,0xC6,0x7F,
      0x44,0x00,0x60,0x00,0x40,0x00,0x00,0x00,
//-- 魔 --
      0x00,0x40,0x00,0x30,0xFE,0x8F,0x4A,0x80,
      0xAA,0x5F,0x9A,0x4A,0xFE,0x2A,0xAA,0x1A,
      0xCB,0x0F,0xAA,0x7A,0xFE,0x8A,0x9A,0xAA,
      0xAA,0x8F,0x6B,0x80,0x22,0xE0,0x00,0x00,
//-- 幻 --
      0x80,0x20,0xC0,0x30,0xA0,0x28,0x98,0x24,
      0x87,0x22,0x80,0x21,0xC4,0x30,0x04,0x60,
      0x04,0x00,0x04,0x20,0x04,0x40,0x04,0x80,
      0x04,0x40,0xFE,0x3F,0x04,0x00,0x00,0x00,
//-- 搖 --
      0x10,0x02,0x10,0x42,0x10,0x81,0xFF,0x7F,
      0x90,0x04,0x54,0x05,0xCC,0xF4,0xB4,0x44,
      0x84,0x44,0xBC,0x7F,0x82,0x44,0xA2,0x44,
      0x9B,0xF4,0x82,0x06,0x00,0x04,0x00,0x00,
//-- 搖 --
      0x10,0x02,0x10,0x42,0x10,0x81,0xFF,0x7F,
      0x90,0x04,0x54,0x05,0xCC,0xF4,0xB4,0x44,
      0x84,0x44,0xBC,0x7F,0x82,0x44,0xA2,0x44,
      0x9B,0xF4,0x82,0x06,0x00,0x04,0x00,0x00,
//-- 棒 --
      0x10,0x04,0x10,0x03,0xD0,0x00,0xFF,0xFF,
      0x90,0x00,0x54,0x05,0x44,0x12,0xD4,0x15,
      0x74,0x14,0x5F,0xFF,0xD4,0x14,0x54,0x15,
      0x56,0x12,0x44,0x06,0x40,0x02,0x00,0x00,
//-- ！ --
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x7C,0x10,0xFE,0x3B,
      0xFE,0x3B,0x7C,0x10,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};

/*****函數聲明*****/
void display1(void);
void display2(void);
void display3(void);
void display4(void);

/*****n（us）延時子程序*****/
void DelayUs(uint N)
{
 uint x;
 for(x=0; x<=N;x++);
}

/*****中斷服務程序*****/
void intersvr0(void) interrupt 0 using 1
{
 KY=~KY;      //每個搖動來回水銀開關會在擺幅兩端分別產生下降沿中斷，只提取其中一次（從左向右搖才顯示）
 if(KY==0)
 {
  num++;     //計算中斷次數
  switch(pic)      //選擇畫面
  {
   case 0:{display1();}break;
   case 1:{display2();}break;
   case 2:{display3();}break;
   case 3:{display4();}break;
   default:{display1();}  
  }
    }
}

/*****顯示子程序1（漢字）*****/
void display1(void)
{
 uchar i;
 if(num>10){disp++;num=0;}     //12個漢字分為3次顯示完（每次顯示4個），每中斷10次切換
 if(disp>2)disp=0;
  DelayUs(5200);     //此處延時時間依各硬件差別而各不相同，試著調整使得顯示內容居中即可
 for(i=0;i<64;i++)
 {
     P0=~hanzi[disp*128+i*2];
     P2=~hanzi[disp*128+i*2+1];
     DelayUs(100);
 }
}

/*****顯示子程序2（LOVE）*****/
void display2(void)
{
 uchar i;
 DelayUs(4000);
 for(i=0;i<64;i++)
 {
     P0=~love[i*2];
     P2=~love[i*2+1];
     DelayUs(120);
 }
}

/*****顯示子程序3（心形圖案）*****/
void display3(void)
{
 uchar i;
  DelayUs(4000);
 for(i=0;i<64;i++)
 {
     P0=~loveyou[i*2];
     P2=~loveyou[i*2+1];
     DelayUs(120);
 }
}

/*****顯示子程序4（呵呵o(∩_∩)o圖案）*****/
void display4(void)
{
 uchar i;
 DelayUs(4000);
 for(i=0;i<64;i++)
 {
     P0=~hehe[i*2];
     P2=~hehe[i*2+1];
     DelayUs(120);
 }
}

/*****主函數*****/
void main(void)
{
 IT0=1;
 EX0=1; 
 EA=1;      //開中斷，下降沿中斷
 KY=0;
 while(1)     //主程序中只檢測按鍵
 {
  if(KEY==0)     //畫面切換鍵按下
  {
  DelayUs(10000);     //按鍵去抖
  if(KEY==0);
  pic++;}
  if(pic>3)pic=0;
 }
}
/*****END*****/