单片机简单的计算器c语言程序,51单片机实现简单计算器C语言程序+Proteus仿真

以下是一个简单的计算器C语言程序，使用51单片机实现，同时还包括Proteus仿真。注意，这只是一个简单的示例，仅供参考。您可以根据自己的需求和具体情况进行修改和优化。

#include <reg51.h>

// 定义按键端口
sbit key1 = P3^0;
sbit key2 = P3^1;
sbit key3 = P3^2;
sbit key4 = P3^3;
sbit key5 = P3^4;
sbit key6 = P3^5;
sbit key7 = P3^6;
sbit key8 = P3^7;

// 定义LED端口
sbit led1 = P2^0;
sbit led2 = P2^1;
sbit led3 = P2^2;
sbit led4 = P2^3;
sbit led5 = P2^4;
sbit led6 = P2^5;
sbit led7 = P2^6;
sbit led8 = P2^7;

// 定义计算器变量
unsigned char num1, num2, op, result;

// 定义函数
void delay(unsigned int time);
void init();
void compute();

void main()
{
    init();
    while(1)
    {
        // 判断按键
        if(key1 == 0)
        {
            num1 = 1;
            led1 = 1;
            delay(50);
            led1 = 0;
            while(key1 == 0);
        }
        if(key2 == 0)
        {
            num1 = 2;
            led2 = 1;
            delay(50);
            led2 = 0;
            while(key2 == 0);
        }
        if(key3 == 0)
        {
            num1 = 3;
            led3 = 1;
            delay(50);
            led3 = 0;
            while(key3 == 0);
        }
        if(key4 == 0)
        {
            op = '+';
            led4 = 1;
            delay(50);
            led4 = 0;
            while(key4 == 0);
        }
        if(key5 == 0)
        {
            num2 = 4;
            led5 = 1;
            delay(50);
            led5 = 0;
            while(key5 == 0);
        }
        if(key6 == 0)
        {
            num2 = 5;
            led6 = 1;
            delay(50);
            led6 = 0;
            while(key6 == 0);
        }
        if(key7 == 0)
        {
            num2 = 6;
            led7 = 1;
            delay(50);
            led7 = 0;
            while(key7 == 0);
        }
        if(key8 == 0)
        {
            compute();
            led8 = 1;
            delay(50);
            led8 = 0;
            while(key8 == 0);
        }
    }
}

void delay(unsigned int time)
{
    unsigned int i, j;
    for(i=0; i<time; i++)
    {
        for(j=0; j<120; j++);
    }
}

void init()
{
    num1 = 0;
    num2 = 0;
    op = 0;
    result = 0;
    led1 = 0;
    led2 = 0;
    led3 = 0;
    led4 = 0;
    led5 = 0;
    led6 = 0;
    led7 = 0;
    led8 = 0;
}

void compute()
{
    switch(op)
    {
        case '+':
            result = num1 + num2;
            break;
        case '-':
            result = num1 - num2;
            break;
        case '*':
            result = num1 * num2;
            break;
        case '/':
            result = num1 / num2;
            break;
        default:
            result = 0;
            break;
    }
    num1 = result;
    num2 = 0;
    op = 0;
}

在Proteus中，可以创建一个51单片机电路，并将其与上面的C语言程序进行连接。您可以使用仿真按钮进行仿真和测试。