carsrun/appCam.py

@@ -19,18 +19,31 @@ from car import CAR
 #from PiCamera_H264_Server import stream
 import threading
 import cv2
+import requests
 app = Flask(__name__, static_url_path='')
 # 照片保存路径
 PHOTO_PATH = "photo.jpg"
 
+picam2 = None
 # picam2 = Picamera2()
 # picam2.configure(picam2.create_video_configuration(main={"format": 'XRGB8888', "size": (640, 480)}))
 # picam2.start()
 
-def gen_frames():  # generate frame by frame from camera
+def cameraon():
+    global picam2
     picam2 = Picamera2()
     picam2.configure(picam2.create_video_configuration(main={"format": 'XRGB8888', "size": (640, 480)}))
     picam2.start()
+    
+    
+def cameradown():
+    global picam2
+    picam2.stop()
+    picam2.close()
+
+def gen_frames():  # generate frame by frame from camera
+    global picam2
+    cameraon()
     while True:
         # Capture frame-by-frame
         frame = picam2.capture_array()  # read the camera frame
@@ -42,39 +55,79 @@ def gen_frames():  # generate frame by frame from camera
 
 
 
-def capture_frame():
+# def capture_frame():
-    picam2.close()
+#     picam2.close()
-    frame = picam2.capture_array()  # 假设picam2是你的相机对象
+#     frame = picam2.capture_array()  # 假设picam2是你的相机对象
-    ret, buffer = cv2.imencode('.jpg', frame, [int(cv2.IMWRITE_JPEG_QUALITY), 50])
+#     ret, buffer = cv2.imencode('.jpg', frame, [int(cv2.IMWRITE_JPEG_QUALITY), 50])
-    img_str = base64.b64encode(buffer).decode()
+#     img_str = base64.b64encode(buffer).decode()
-    picam2.start()
+#     picam2.start()
-    return img_str
+#     return img_str
+
+# @app.route('/capture_frame')
+# def capture_frame_route():
+#     img_str = capture_frame()
+#     return jsonify(img_str)
+@app.route('/control/sendit', methods=['POST'])
+def send_command():
+    # 定义目标 IP 地址、端口和路由
+    ip = "192.168.98.204"
+    port = 3000
+    route = "sendit2"
+    
+    # 从请求中获取消息内容
+    data = request.json
+    message = data.get('message')
+    
+    if message is None:
+        return jsonify({"error": "缺少 message 参数"}), 400
+    
+    # 构建完整的 URL
+    url = f"http://{ip}:{port}/{route}"
+    
+    # 发送 POST 请求
+    try:
+        response = requests.post(url, json={'message': message})
+        response.raise_for_status()  # 检查请求是否成功
+        return f"命令已发送，服务器响应: {response.text}"
+    except requests.exceptions.RequestException as e:
+        return f"请求失败: {str(e)}", 500
+
+@app.route('/capture')
+def capture_image():
+    global picam2
+    # 获取一帧
+    frame = picam2.capture_array()  # 读取当前帧
+    frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+
+    # 定义保存图片的路径
+    photo_path = "captured_photo.jpg"
 
-@app.route('/capture_frame')
+    # 将帧保存为图片
-def capture_frame_route():
+    try:
-    img_str = capture_frame()
+        cv2.imwrite(photo_path, frame)
-    return jsonify(img_str)
+        return f"Photo saved at {photo_path}"
+    except Exception as e:
+        return f"Failed to save photo: {str(e)}"
 
 @app.route('/')
 def index():
     return render_template('index-t.html')
 
-@app.route('/video_feed')
+# @app.route('/video_feed')
-def video_feed():
+# def video_feed():
-    #Video streaming route. Put this in the src attribute of an img tag
+#     #Video streaming route. Put this in the src attribute of an img tag
+#     return Response(gen_frames(), mimetype='multipart/x-mixed-replace; boundary=frame')
+
+@app.route('/startvadio')
+def startvadio():
     return Response(gen_frames(), mimetype='multipart/x-mixed-replace; boundary=frame')
-#---------------------------------------------------------------------------------
-@app.route('/take_photo')
-def take_photo():
-    picam2 = Picamera2()
-    picam2.configure(picam2.create_video_configuration(main={"format": 'XRGB8888', "size": (640, 480)}))
-    picam2.start()
-    frame = picam2.capture_array()  # Capture a single frame
-    frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
-    cv2.imwrite(PHOTO_PATH, frame)  # Save the frame as a JPEG file
 
-    return send_file(PHOTO_PATH, as_attachment=True)  # Send the file to download
+
-#---------------------------------------------------------------------------------------
+@app.route('/stopvadio')
+def stopvadio():
+    cameradown()
+    return "closed"
+
 
 # def gen(camera):
 #     """Video streaming generator function."""

carsrun/templates/index-t.html

@@ -25,9 +25,11 @@
 </head>
 <body>
     <h5>实时视频流</h5>
-    <img src="{{ url_for('video_feed') }}">
+    <img src="{{ url_for('startvadio') }}">
-    <button id="captureButton">Capture Frame</button>
+    <button type="button" onclick="capture()" >拍照</button>
-    <img id="frameImage" src="" alt="Captured Frame" style="display:none; width: 640px; height: 480px;">
+    <button type="button" onclick="startvadio()" >开始视频</button>
+    <button type="button" onclick="stopvadio()" >停止视频</button>
+    <!-- <img id="frameImage" src="" alt="Captured Frame" style="display:none; width: 640px; height: 480px;">  -->
     <p> 小车控制界面</p>
     <bodylink = "red">
     <a href="control" target="_blank">小车控制</a>
@@ -44,9 +46,7 @@
         <button type="button" onclick="left()" class="btn btn-lg btn-primary glyphicon glyphicon-circle-arrow-left" > </button>
         <button type="button" onclick="stop()" class="btn btn-lg btn-primary glyphicon glyphicon-stop"> </button>
         <button type="button" onclick="right()" class="btn btn-lg btn-primary glyphicon glyphicon-circle-arrow-right" > </button>
-        <!-- ---------------------------------------- -->
+
-        <button type="button" onclick="takePhoto()">拍照</button>
-        <!-- ---------------------------------------- -->
     </div>
         <button id="rear" type="button" onclick="back()" class="btn btn-lg btn-primary glyphicon glyphicon-circle-arrow-down" style="margin-left: 56px;"> </button>
     </div>
@@ -67,6 +67,12 @@
     </div>
         <button id="down" type="button" onclick="down()" class="btn btn-lg btn-primary glyphicon glyphicon-circle-arrow-down" style="margin-left: 56px;"> </button>
     </div>
+    <div>
+        <form id="sendCommandForm">
+            回复指令: <textarea id="message"></textarea><br>
+            <button type="button" onclick="sendCommand()">发送指令</button>
+        </form>
+    </div>
 </div>
 
 <script src='/Decoder.js'></script>
@@ -91,6 +97,7 @@
     ws.onclose = function (e) {
         console.log('Client disconnected')
     }
+    
   </script>
 
 
@@ -98,31 +105,106 @@
 
 
     <script>
-        $(document).ready(function() {
+        function sendCommand() {
-            $('#captureButton').click(function() {
+            var message = document.getElementById('message').value;
-                $.ajax({
+
-                    url: '/capture_frame', // 后端路由地址
+            $.ajax({
-                    type: 'GET',
+                type: "POST",
-                    success: function(response) {
+                url: "/control/sendit",
-                        // 将响应中的图像数据设置到img标签的src属性
+                data: JSON.stringify({
-                        $('#frameImage').attr('src', 'data:image/jpeg;base64,' + response);
+                    message: message
-                        // 显示图像
+                }),
-                        $('#frameImage').show();
+                contentType: "application/json",
-                    },
+                success: function (result) {
-                    error: function(error) {
+                    console.log(result);
-                        console.log('Error:', error);
+                    alert("指令发送成功！");
+                },
+                error: function (error) {
+                    console.log('Error:', error);
+                }
+            });
+        }
+        function capture() {
+            console.log("132465789891651354684");
+            $.ajax({
+                
+                type: "GET",                  
+                dataType: "json",              
+                url: "capture" ,          
+                data: $('#form1').serialize(), //提交的数据
+                success: function (result) {
+                    console.log(result);       //打印服务端返回的数据(调试用)
+                    if (result.resultCode == 200) {
                     }
-                });
+                    ;
+                },
+                error : function() {
+    
+                }
             });
-        });
+            
+        }
+        function startvadio() {
+            // console.log("132465789891651354684");
+            $.ajax({
+                
+                type: "GET",                  
+                dataType: "json",              
+                url: "startvadio" ,          
+                data: $('#form1').serialize(), //提交的数据
+                success: function (result) {
+                    console.log(result);       //打印服务端返回的数据(调试用)
+                    if (result.resultCode == 200) {
+                    }
+                    ;
+                },
+                error : function() {
+    
+                }
+            });
+            
+        }
+        function stopvadio() {
+            // console.log("132465789891651354684");
+            $.ajax({
+                
+                type: "GET",                  
+                dataType: "json",              
+                url: "stopvadio" ,          
+                data: $('#form1').serialize(), //提交的数据
+                success: function (result) {
+                    console.log(result);       //打印服务端返回的数据(调试用)
+                    if (result.resultCode == 200) {
+                    }
+                    ;
+                },
+                error : function() {
+    
+                }
+            });
+            
+        }
+        // $(document).ready(function() {
+        //     $('#captureButton').click(function() {
+        //         $.ajax({
+        //             url: '/capture_frame', // 后端路由地址
+        //             type: 'GET',
+        //             success: function(response) {
+        //                 // 将响应中的图像数据设置到img标签的src属性
+        //                 $('#frameImage').attr('src', 'data:image/jpeg;base64,' + response);
+        //                 // 显示图像
+        //                 $('#frameImage').show();
+        //             },
+        //             error: function(error) {
+        //                 console.log('Error:', error);
+        //             }
+        //         });
+        //     });
+        // });
         function printClicked() {
         // console.log("132465789891651354684");
         }
-        // ---------------------------------------
+
-        function takePhoto() {
-            window.location.href = "{{ url_for('take_photo') }}";  // 重定向到拍照请求
-        }
-        // ---------------------------------------
         function forward() {
             console.log("132465789891651354684");
             $.ajax({