web串口调试助手,后端和前端代码
时间: 2023-07-07 16:04:24 浏览: 53
以下是一个简单的Web串口调试助手的后端和前端代码示例。
后端代码使用Python Flask框架实现,通过Flask-SocketIO实现实时通信:
```python
from flask import Flask, render_template
from flask_socketio import SocketIO, emit
import serial
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
socketio = SocketIO(app)
ser = serial.Serial('/dev/ttyUSB0', 115200)
@app.route('/')
def index():
return render_template('index.html')
@socketio.on('connect')
def test_connect():
emit('response', {'data': 'Connected'})
@socketio.on('disconnect')
def test_disconnect():
print('Client disconnected')
@socketio.on('message')
def handle_message(msg):
print('Received message: ' + msg)
ser.write(msg.encode())
response = ser.readline().decode()
emit('response', {'data': response})
if __name__ == '__main__':
socketio.run(app)
```
前端代码使用HTML、CSS和JavaScript实现,通过Socket.IO库实现与后端的实时通信:
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Web Serial Console</title>
<script src="https://cdn.socket.io/socket.io-1.4.5.js"></script>
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<style>
body {
margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
#terminal {
width: 100%;
height: 500px;
background-color: #000;
color: #fff;
font-size: 14px;
overflow-y: scroll;
padding: 10px;
}
#input {
width: 100%;
height: 50px;
font-size: 14px;
padding: 10px;
box-sizing: border-box;
}
</style>
</head>
<body>
<div id="terminal"></div>
<input id="input" type="text" placeholder="Enter command...">
<script>
var socket = io.connect('http://' + document.domain + ':' + location.port);
socket.on('response', function(msg) {
$('#terminal').append(msg.data);
$('#terminal').scrollTop($('#terminal')[0].scrollHeight);
});
$('#input').keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
var msg = $('#input').val();
$('#terminal').append('> ' + msg + '\n');
$('#input').val('');
socket.send(msg);
}
});
</script>
</body>
</html>
```
注意:上述代码仅为示例,实际应用中需要根据具体需求进行修改和优化。