Arduino&Proteus 8 Professional——(LED渐变效果)for Neuedu

谁践踏了优雅 2023-01-15 13:29 165阅读 0赞

> LED渐变效果，用Qt程序输入的值来控制渐变效果  
> 上位机Qt程序打压缩包

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## Demo.cpp ##

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#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
        ui->textEdit->setText("Please input 0 - 9 to change the Light!\n");
    }
    
    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();
            str += tr(buf);
            ui->textEdit->clear();//清除界面上次显示的
            ui->textEdit->append(str);
        }
        buf.clear();//清除缓存区
    
    
    }
    
    //发送数据
    void Demo::on_pushButton_2_clicked()
    { 
        serial->write(ui->textEdit_2->toPlainText().toUtf8());
    }

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## .ino ##

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int pin = 9;//设置9引脚
    int brightness = 0;//亮度值
    int fadeValue = 28;//亮度渐变值
    int income = 0;
    
    void setup() { 
      Serial.begin(9600);
      }
    
    void loop() { 
      while(Serial.available()>0){ 
        income = Serial.read();
        Serial.print("Light Lv ");
        Serial.println(income-48,DEC);
        income -= 48;
       brightness = income*28;
       analogWrite(pin,brightness);//输出模拟PWM信号
        brightness = brightness + fadeValue;
      if(252 == brightness || 0 == brightness){ 
        fadeValue = -fadeValue;
      }
      delay(30);
        }
    }

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70 1]

*  Ps:灯光10个挡位，输入0-9即可控制。
 *  [源程序(点击此处下载)][Link 1]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70]: /images/20221022/748171b902864fe391e410940cc11135.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0dvZE91Tw_size_16_color_FFFFFF_t_70 1]: /images/20221022/74bd5e29cd6c439b9df55926e543abe5.png
[Link 1]: https://download.csdn.net/download/GodOuO/16869880