心形圖案

#include<reg52.h>

//綁定位

sbit ADDR0 = P1^0;

sbit ADDR1 = P1^1;

sbit ADDR2 = P1^2;

sbit ADDR3 = P1^3;

sbit ENLED = P1^4;

unsigned char code LedChar[] = { //點陣顯示字符轉換表

0xff,0x99,0x00,0x00,0x00,0x81,0xc3,0xe7//實心

//空心(0x99,0x66,0x7E,0x7E,0xBD,0xDB,0xE7,0xFF)，case 7:需注釋

};

void main(){

EA=1;

ADDR3=0; //使能U4

ENLED=0;

TMOD=0x01; //使能T0為模式1

TH0=0xFC; // 為T0賦初始值

TL0=0x67;

ET0=1; //使能中斷

TR0=1; //開啟T0

while(1);

}

/**

中斷處理

*/

void InterRupt() interrupt 1{

static unsigned char i=0;

TH0=0xfc;

TL0=0x67;

P0=0xff;//清屏

switch(i){//點陣顯示循環圖案部分

case 0: ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; i++; P0=LedChar[0]; break;

case 1: ADDR2 = 0; ADDR1 = 0; ADDR0 = 1; i++; P0=LedChar[1]; break;

case 2: ADDR2 = 0; ADDR1 = 1; ADDR0 = 0; i++; P0=LedChar[2]; break;

case 3: ADDR2 = 0; ADDR1 = 1; ADDR0 = 1; i++; P0=LedChar[3]; break;

case 4: ADDR2 = 1; ADDR1 = 0; ADDR0 = 0; i++; P0=LedChar[4]; break;

case 5: ADDR2 = 1; ADDR1 = 0; ADDR0 = 1; i++; P0=LedChar[5]; break;

case 6: ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; i++; P0=LedChar[6]; break;

case 7: ADDR2 = 1; ADDR1 = 1; ADDR0 = 1; i=0; P0=LedChar[7]; break;

}

}

總結

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