visualCoding_followLineRobot/main.html at main · ZFTTO/visualCoding_followLineRobot · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>循迹小车可视化编程</title>
  <script src="https://unpkg.com/blockly/blockly.min.js"></script>
  <script src="https://unpkg.com/blockly/blocks_compressed.js"></script>
  <script src="https://unpkg.com/blockly/javascript_compressed.js"></script>
  <script src="https://unpkg.com/blockly/msg/zh-hans.js"></script>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f5f5f5;
    }
    .header {
      background-color: #2c3e50;
      color: white;
      padding: 15px;
      text-align: center;
    }
    .container {
      display: flex;
      height: calc(100vh - 100px);
    }
    .blockly-container {
      flex: 1;
      height: 100%;
    }
    .code-preview {
      width: 400px;
      padding: 15px;
      background-color: #2c3e50;
      color: white;
      overflow-y: auto;
    }
    .controls {
      padding: 15px;
      background-color: #34495e;
      text-align: center;
    }
    button {
      background-color: #3498db;
      color: white;
      border: none;
      padding: 10px 20px;
      margin: 5px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 16px;
    }
    button:hover {
      background-color: #2980b9;
    }
    pre {
      background-color: #1a252f;
      padding: 10px;
      border-radius: 4px;
      font-size: 14px;
      white-space: pre-wrap;
    }
    .blocklyTreeLabel {
      font-family: Arial, sans-serif;
    }
  </style>
</head>
<body>
  <div class="header">
    <h1>循迹小车可视化编程</h1>
  </div>

  <div class="controls">
    <button onclick="generateCode()">生成代码</button>
    <button onclick="downloadCode()">下载Arduino代码</button>
    <button onclick="resetWorkspace()">重置工作区</button>
  </div>

  <div class="container">
    <div id="blocklyDiv" class="blockly-container"></div>
    <div class="code-preview">
      <h3>生成的Arduino代码:</h3>
      <pre id="generatedCode"></pre>
    </div>
  </div>

  <script>
    // 初始化Blockly工作区
    const workspace = Blockly.inject('blocklyDiv', {
      toolbox: {
        "kind": "categoryToolbox",
        "contents": [
          {
            "kind": "category",
            "name": "传感器",
            "colour": 230,
            "contents": [
              {
                "kind": "block",
                "type": "sensor_read"
              },
              {
                "kind": "block",
                "type": "sensor_condition"
              }
            ]
          },
          {
            "kind": "category",
            "name": "电机控制",
            "colour": 120,
            "contents": [
              {
                "kind": "block",
                "type": "motor_control"
              },
              {
                "kind": "block",
                "type": "motor_direction"
              },
              {
                "kind": "block",
                "type": "motor_speed"
              }
            ]
          },
          {
            "kind": "category",
            "name": "逻辑控制",
            "colour": 210,
            "contents": [
              {
                "kind": "block",
                "type": "controls_if"
              },
              {
                "kind": "block",
                "type": "logic_compare"
              },
              {
                "kind": "block",
                "type": "logic_operation"
              }
            ]
          },
          {
            "kind": "category",
            "name": "循环",
            "colour": 60,
            "contents": [
              {
                "kind": "block",
                "type": "controls_whileUntil"
              },
              {
                "kind": "block",
                "type": "controls_repeat_ext"
              }
            ]
          },
          {
            "kind": "category",
            "name": "变量",
            "colour": 330,
            "custom": "VARIABLE"
          },
          {
            "kind": "category",
            "name": "函数",
            "colour": 290,
            "custom": "PROCEDURE"
          }
        ]
      },
      collapse: true,
      comments: true,
      disable: false,
      maxBlocks: Infinity,
      trashcan: true,
      horizontalLayout: false,
      toolboxPosition: 'start',
      css: true,
      media: 'https://blockly-demo.appspot.com/static/media/',
      rtl: false,
      scrollbars: true,
      sounds: true,
      oneBasedIndex: true,
      grid: {
        spacing: 20,
        length: 1,
        colour: '#ccc',
        snap: true
      },
      zoom: {
        controls: true,
        wheel: true,
        startScale: 1.0,
        maxScale: 3,
        minScale: 0.3,
        scaleSpeed: 1.2
      }
    });

    // 定义传感器读取块
    Blockly.Blocks['sensor_read'] = {
      init: function() {
        this.appendDummyInput()
            .appendField("读取传感器")
            .appendField(new Blockly.FieldDropdown([
              ["左侧传感器", "leftSensor"],
              ["右侧传感器", "rightSensor"],
              ["碰撞传感器", "bumperSensor"]
            ]), "SENSOR");
        this.setOutput(true, "Number");
        this.setColour(230);
        this.setTooltip("读取指定传感器的值");
        this.setHelpUrl("");
      }
    };

    // 定义传感器条件块
    Blockly.Blocks['sensor_condition'] = {
      init: function() {
        this.appendDummyInput()
            .appendField("传感器")
            .appendField(new Blockly.FieldDropdown([
              ["左侧传感器", "leftSensor"],
              ["右侧传感器", "rightSensor"],
              ["碰撞传感器", "bumperSensor"]
            ]), "SENSOR")
            .appendField("检测到")
            .appendField(new Blockly.FieldDropdown([
              ["白线", "WHITE"],
              ["黑线", "BLACK"]
            ]), "CONDITION");
        this.setOutput(true, "Boolean");
        this.setColour(230);
        this.setTooltip("检查传感器是否检测到白线或黑线");
        this.setHelpUrl("");
      }
    };

    // 定义电机控制块
    Blockly.Blocks['motor_control'] = {
      init: function() {
        this.appendDummyInput()
            .appendField("设置")
            .appendField(new Blockly.FieldDropdown([
              ["左侧电机", "LEFT"],
              ["右侧电机", "RIGHT"],
              ["两个电机", "BOTH"]
            ]), "MOTOR")
            .appendField("速度")
            .appendField(new Blockly.FieldNumber(0, 0, 255), "SPEED");
        this.setPreviousStatement(true, null);
        this.setNextStatement(true, null);
        this.setColour(120);
        this.setTooltip("设置电机的速度(0-255)");
        this.setHelpUrl("");
      }
    };

    // 定义电机方向块
    Blockly.Blocks['motor_direction'] = {
      init: function() {
        this.appendDummyInput()
            .appendField("设置")
            .appendField(new Blockly.FieldDropdown([
              ["左侧电机", "LEFT"],
              ["右侧电机", "RIGHT"],
              ["两个电机", "BOTH"]
            ]), "MOTOR")
            .appendField("方向为")
            .appendField(new Blockly.FieldDropdown([
              ["前进", "FORWARD"],
              ["后退", "BACKWARD"]
            ]), "DIRECTION");
        this.setPreviousStatement(true, null);
        this.setNextStatement(true, null);
        this.setColour(120);
        this.setTooltip("设置电机的转动方向");
        this.setHelpUrl("");
      }
    };

    // 定义电机速度块
    Blockly.Blocks['motor_speed'] = {
      init: function() {
        this.appendDummyInput()
            .appendField("设置")
            .appendField(new Blockly.FieldDropdown([
              ["左侧电机", "LEFT"],
              ["右侧电机", "RIGHT"],
              ["两个电机", "BOTH"]
            ]), "MOTOR")
            .appendField("速度")
            .appendField(new Blockly.FieldNumber(0, 0, 255), "SPEED")
            .appendField("方向")
            .appendField(new Blockly.FieldDropdown([
              ["前进", "FORWARD"],
              ["后退", "BACKWARD"]
            ]), "DIRECTION");
        this.setPreviousStatement(true, null);
        this.setNextStatement(true, null);
        this.setColour(120);
        this.setTooltip("同时设置电机的速度和方向");
        this.setHelpUrl("");
      }
    };

    // 生成Arduino代码的函数
    function generateCode() {
      // 生成JavaScript代码
      const code = Blockly.JavaScript.workspaceToCode(workspace);

      // 转换为Arduino代码
      const arduinoCode = convertToArduino(code);

      // 显示生成的代码
      document.getElementById('generatedCode').textContent = arduinoCode;
    }

    // 将JavaScript代码转换为Arduino代码
    function convertToArduino(jsCode) {
      // 这里简化处理，实际应用中需要更复杂的转换
      let arduinoCode = `/*
  ELEC1100 Your Lab#06 & Project Template
  循迹小车程序 - 可视化编程生成
*/

// 引脚定义
const int pinL_Sensor = A5;      // 左侧传感器
const int pinB_Sensor = A4;      // 碰撞传感器
const int pinR_Sensor = A3;      // 右侧传感器

const int pinL_PWM = 9;          // 左侧电机速度
const int pinL_DIR = 10;         // 左侧电机方向
const int pinR_PWM = 11;         // 右侧电机速度
const int pinR_DIR = 12;         // 右侧电机方向

// 传感器变量
int bumperSensor = 0;
int leftSensor = 0;
int rightSensor = 0;

void setup() {
  // 设置引脚模式
  pinMode(pinB_Sensor, INPUT);
  pinMode(pinL_Sensor, INPUT);
  pinMode(pinR_Sensor, INPUT);

  pinMode(pinL_DIR, OUTPUT);
  pinMode(pinR_DIR, OUTPUT);

  pinMode(pinL_PWM, OUTPUT);
  pinMode(pinR_PWM, OUTPUT);

  // 初始化电机方向
  digitalWrite(pinL_DIR, HIGH);
  digitalWrite(pinR_DIR, HIGH);

  // 停止电机
  analogWrite(pinL_PWM, 0);
  analogWrite(pinR_PWM, 0);
}

void loop() {
  // 读取传感器值
  bumperSensor = digitalRead(pinB_Sensor);
  leftSensor = digitalRead(pinL_Sensor);
  rightSensor = digitalRead(pinR_Sensor);

  // 用户代码开始
`;

      // 添加用户代码
      const lines = jsCode.split('\n');
      for (let line of lines) {
        // 转换常见的JavaScript语句为Arduino语句
        let arduinoLine = line
          .replace(/console\.log/g, '//')
          .replace(/alert/g, '//')
          .replace(/var /g, '')
          .replace(/let /g, '')
          .replace(/const /g, '');

        arduinoCode += '  ' + arduinoLine + '\n';
      }

      arduinoCode += `  // 用户代码结束
}`;

      return arduinoCode;
    }

    // 下载代码
    function downloadCode() {
      const code = document.getElementById('generatedCode').textContent;
      if (!code || code.includes('生成的Arduino代码将显示在这里')) {
        alert('请先生成代码！');
        return;
      }

      const blob = new Blob([code], { type: 'text/plain' });
      const url = URL.createObjectURL(blob);
      const a = document.createElement('a');
      a.href = url;
      a.download = 'robot_car.ino';
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      URL.revokeObjectURL(url);
    }

    // 重置工作区
    function resetWorkspace() {
      if (confirm('确定要重置工作区吗？所有未保存的更改将丢失。')) {
        workspace.clear();
        document.getElementById('generatedCode').textContent = '生成的Arduino代码将显示在这里';
      }
    }

    // 初始化显示
    document.getElementById('generatedCode').textContent = '生成的Arduino代码将显示在这里';
  </script>
</body>
</html>