点亮点阵以及点阵的图像显示

点亮左上角点阵

#include <reg52.h>void main(void)
{P0 = 0xFE;P1 = 0xE0;while (1);
}

点亮第一排点阵

#include <reg52.h>void main(void)
{P0 = 0x00;P1 = 0xE0;while (1);
}

利用中断点亮所有点阵

#include <reg52.h>unsigned char code LedChar[] = 
{0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7	
};void main(void)
{TMOD = 0x10;//定时器1设置为模式1TH1 = 0xFC;//设置定时器1的初值，0.001sTL1 = 0x67;EA = 1;//中断总使能ET1 = 1;//定时器1使能TR1 = 1;//打开定时器1while (1);//等待中断
}/* 定时器1的中断函数 */
void interrupt_(void) interrupt 3
{static i = 0;TH1 = 0xFC;//重新赋初值，0.001sTL1 = 0x67;if (i > 7)i = 0;P1 = LedChar[i];P0 = 0x00;i++;
}

利用数模工具以及中断点亮心形图案

#include <reg52.h>unsigned char code LedChar[] = 
{0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7	
};unsigned char code image[] = 
{0xFF, 0x99, 0x00, 0x00, 0x00, 0x81, 0xC3, 0xE7
};void main(void)
{TMOD = 0x10;//定时器1设置为模式1TH1 = 0xFC;//设置定时器1的初值，0.001sTL1 = 0x67;EA = 1;//中断总使能ET1 = 1;//定时器1使能TR1 = 1;//打开定时器1while (1);//等待中断
}/* 定时器1的中断函数 */
void interrupt_(void) interrupt 3
{static i = 0;TH1 = 0xFC;//重新赋初值，0.001sTL1 = 0x67;if (i > 7)i = 0;P1 = LedChar[i];P0 = image[i];i++;
}