基于c51，使用数码管，ds18b20的温度计设计

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ID:339405 发表于 2018-12-5 18:01 | 只看该作者 |只看大图回帖奖励

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源代码：#include "reg51.h"

sbit  key0 = P1^0;

delay(unsigned int dd)
{
while(--dd);
}

disp(unsigned char aa)
{
P2 = 0xff;
P0 = aa;
P2 = 0x7f;

delay(1000);

P2 = 0xff;
P0 = 0x06;
P2 = 0xbf;
delay(1000);

P2 = 0xff;
P0 = 0x5b;
P2 = 0xdf;

delay(1000);

P2 = 0xff;
P0 = 0x4f;
P2 = 0xef;
delay(1000);
P2 = 0xff;
P0 = 0x66;
P2 = 0xf7;

delay(1000);

P2 = 0xff;
P0 = 0x6d;
P2 = 0xfb;
delay(1000);
}

main()
{
unsigned char aa=0;
while(1)
{
   if(!key0) aa++;
   disp(aa);
}

}

仿真图：

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