Arduino&Proteus 8 Professional——(超声波测距&气压类传感器测温测压)for Neuedu

柔情只为你懂 2023-01-13 09:57 184阅读 0赞

> 练习：  
> 超声波测距&气压类传感器测温测压后，通过上位机显示  
> 提交两个代码部分：  
> 1.底层ardiuno程序 txt C语言代码  
> 2.Qt工程 (cpp,h,ui等)

[源代码资源(点击此处下载)][Link 1]

--------------------

## Demo.cpp ##

--------------------

#include "demo.h"
    #include "ui_demo.h"
    #include <QSerialPort>
    #include <QSerialPortInfo>
    
    Demo::Demo(QWidget *parent) :
        QWidget(parent),
        ui(new Ui::Demo)
    { 
        ui->setupUi(this);//创建窗口界面
        //检测电脑系统的串口名字
        foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()){ 
            QSerialPort serial;
            serial.setPort(info);//遍历的串口信息设置到串口对象中，包含名字，波特率等等
            ui->com->addItem(serial.portName());
        }
    
    }
    
    Demo::~Demo()
    { 
        delete ui;
    }
    
    void Demo::on_pushButton_clicked()
    { 
        //串口对象如果想连接通信，则需要设置基本参数
        //创建窗口对象----通信不结束，对象要一致保持存在，堆内存
        serial = new QSerialPort;
        //设置串口名
        serial->setPortName(ui->com->currentText());
        //设置波特率
        serial->setBaudRate(ui->comboBox_2->currentText().toInt());
        //设置数据位
        switch(ui->comboBox_3->currentIndex()){ 
            case 8:
              serial->setDataBits(QSerialPort::Data8);
              break;
        }
        //设置校验位
        switch(ui->comboBox_4->currentIndex()){ 
            case 0:
              serial->setParity(QSerialPort::NoParity);
              break;
        }
        //设置停止位
        switch(ui->comboBox_5->currentIndex()){ 
            case 1:
              serial->setStopBits(QSerialPort::OneStop);
              break;
        }
    
        serial->open(QIODevice::ReadWrite);
    
        connect(serial,SIGNAL(readyRead()), this, SLOT(ReadData()));//打开串口操作------数据显示的连接
    }
    
    void Demo::ReadData(){ 
    
        //在富文本框中显示数据
        QByteArray buf;
        buf = serial->readAll();
        if(!buf.isEmpty()){ 
            QString str = ui->textEdit->toPlainText();
            QString str2 = ui->textEdit2->toPlainText();
            QString str3 = ui->textEdit3->toPlainText();
    
            str += buf;
            ui->textEdit->clear();//清除界面上次显示的
            ui->textEdit->append(str.mid((str.length())-14,4));
    
            str2 += buf;
            ui->textEdit2->clear();//清除界面上次显示的
            ui->textEdit2->append(str2.mid((str2.length())-10,6));
    
            str3 += buf;
            ui->textEdit3->clear();//清除界面上次显示的
            ui->textEdit3->append(str3.right(4));}
    
            buf.clear();//清除缓存区
    }

--------------------

## main.cpp ##

--------------------

#include "demo.h"
    #include <QApplication>
    
    int main(int argc, char *argv[])
    { 
        QApplication a(argc, argv);
        Demo w;
        w.show();// 窗口显示
        return a.exec();
    }

--------------------

## .ino ##

--------------------

#include <SFE_BMP180.h>
    SFE_BMP180 pressure;
    double dis;
    void setup() { 
      pressure.begin();
      pinMode(2, OUTPUT);
      pinMode(3, INPUT);
      Serial.begin(9600);
    }
    
    void loop() { 
      char status;
      double T;
      double P;
      status = pressure.startTemperature(); //开启温度计算
      if(0 != status){ 
        delay(status);//等待延时
        status = pressure.getTemperature(T);//获取温度值存入T中
        if(0 != status){ 
          Serial.print(T,1);
        }
    
      status = pressure.startPressure(3); //开启压力计算
      if(0 != status){ 
        delay(status);//等待延时
        status = pressure.getPressure(P,T);//获取压力值存入T中
        if(0 != status){ 
          Serial.print(P,1);
        }}}
      
      pinMode(2, OUTPUT);
      digitalWrite(2,LOW);
      delayMicroseconds(10);
      digitalWrite(2,HIGH);
      delayMicroseconds(10);
      digitalWrite(2,LOW);
      dis = pulseIn(3,1);
      dis = dis / 57;
      Serial.print(dis,1);
      delay(1500);
    }

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70_pic_center]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70_pic_center 1]

[Link 1]: https://download.csdn.net/download/GodOuO/16750933
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20221022/2caf9cc0128448df937f1d56acb8bd0e.png