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@@ -1,30 +1,124 @@
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import serial
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-import time
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-
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-try:
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- # 配置串口参数 - 请根据实际设备修改端口号
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- ser = serial.Serial(
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- port='COM27', # 修改为实际的端口号
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- baudrate=115200,
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- parity=serial.PARITY_NONE,
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- stopbits=serial.STOPBITS_ONE,
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- bytesize=serial.EIGHTBITS,
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- timeout=1 # 添加超时设置，避免程序卡死
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- )
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-
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- if ser.is_open:
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- print(f"成功打开串口: {ser.port}")
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-
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- # 发送数据
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- data = "Hello, Serial!"
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- ser.write(data.encode('utf-8'))
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- print(f"发送数据: {data}")
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-
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- time.sleep(1)
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- ser.close()
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- print("串口已关闭")
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-
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-except serial.SerialException as e:
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- print(f"串口错误: {e}")
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-except Exception as e:
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- print(f"发生错误: {e}")
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+import serial.tools.list_ports
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+import threading
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+import tkinter as tk
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+from tkinter import ttk, scrolledtext, messagebox
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+
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+class SerialAssistant:
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+ def __init__(self, master):
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+ self.master = master
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+ self.master.title("Python 串口助手 (青春版)")
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+ self.master.geometry("700x450")
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+ self.master.resizable(False, False)
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+
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+ # 串口对象和状态
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+ self.ser = None
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+ self.is_running = False
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+ self.hex_display = tk.BooleanVar(value=False) # 是否以16进制显示
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+
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+ # 串口设置区
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+ frame_top = ttk.LabelFrame(master, text="串口设置", padding=10)
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+ frame_top.pack(fill="x")
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+
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+ ttk.Label(frame_top, text="端口:").grid(row=0, column=0)
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+ self.combo_port = ttk.Combobox(frame_top, width=10, values=self.list_serial_ports())
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+ self.combo_port.grid(row=0, column=1, padx=5)
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+ if self.combo_port["values"]:
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+ self.combo_port.current(0)
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+
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+ ttk.Label(frame_top, text="波特率:").grid(row=0, column=2)
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+ self.combo_baud = ttk.Combobox(frame_top, width=10, values=[9600, 19200, 38400, 57600, 115200])
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+ self.combo_baud.current(4)
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+ self.combo_baud.grid(row=0, column=3, padx=5)
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+
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+ self.btn_open = ttk.Button(frame_top, text="打开串口", command=self.open_serial)
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+ self.btn_open.grid(row=0, column=4, padx=5)
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+ self.btn_close = ttk.Button(frame_top, text="关闭串口", command=self.close_serial, state=tk.DISABLED)
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+ self.btn_close.grid(row=0, column=5, padx=5)
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+
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+ ttk.Checkbutton(frame_top, text="16进制显示", variable=self.hex_display).grid(row=0, column=6, padx=10)
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+
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+ # 接收区
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+ frame_rx = ttk.LabelFrame(master, text="接收数据", padding=10)
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+ frame_rx.pack(fill="both", expand=True)
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+ self.text_rx = scrolledtext.ScrolledText(frame_rx, wrap=tk.WORD, height=15)
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+ self.text_rx.pack(fill="both", expand=True)
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+
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+ # 发送区
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+ frame_tx = ttk.LabelFrame(master, text="发送数据", padding=10)
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+ frame_tx.pack(fill="x")
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+ self.entry_tx = ttk.Entry(frame_tx, width=70)
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+ self.entry_tx.pack(side="left", padx=5)
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+ ttk.Button(frame_tx, text="发送", command=self.send_data).pack(side="left", padx=5)
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+
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+ # 状态栏
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+ self.status = ttk.Label(master, text="状态: 未连接", relief="sunken", anchor="w")
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+ self.status.pack(fill="x", side="bottom")
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+
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+ def list_serial_ports(self):
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+ ports = [port.device for port in serial.tools.list_ports.comports()]
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+ return ports if ports else ["无可用端口"]
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+
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+ def open_serial(self):
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+ port = self.combo_port.get()
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+ baud = self.combo_baud.get()
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+ try:
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+ self.ser = serial.Serial(port, baudrate=int(baud), timeout=0)
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+ self.is_running = True
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+ self.btn_open["state"] = tk.DISABLED
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+ self.btn_close["state"] = tk.NORMAL
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+ self.status["text"] = f"状态: 已连接 {port} ({baud}bps)"
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+ self.text_rx.insert(tk.END, f"[系统] 成功打开串口 {port}\n")
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+ threading.Thread(target=self.read_serial, daemon=True).start()
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+ except Exception as e:
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+ messagebox.showerror("错误", f"无法打开串口: {e}")
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+
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+ def close_serial(self):
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+ self.is_running = False
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+ if self.ser and self.ser.is_open:
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+ self.ser.close()
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+ self.btn_open["state"] = tk.NORMAL
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+ self.btn_close["state"] = tk.DISABLED
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+ self.status["text"] = "状态: 未连接"
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+ self.text_rx.insert(tk.END, "[系统] 串口已关闭\n")
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+
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+ def read_serial(self):
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+ while self.is_running and self.ser and self.ser.is_open:
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+ try:
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+ count = self.ser.in_waiting
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+ if count:
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+ raw_data = self.ser.read(count)
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+ # 判断显示格式
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+ if self.hex_display.get():
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+ display_data = " ".join(f"{b:02X}" for b in raw_data)
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+ else:
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+ display_data = raw_data.decode("utf-8", errors="ignore")
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+
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+ self.text_rx.insert(tk.END, display_data + "\n") # 自动换行
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+ self.text_rx.see(tk.END)
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+ except Exception:
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+ break
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+
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+ def send_data(self):
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+ if self.ser and self.ser.is_open:
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+ data = self.entry_tx.get()
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+ if data:
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+ try:
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+ # 若以 "0x" 开头或包含空格数字，则自动解析为 hex 发送
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+ if all(c in "0123456789ABCDEFabcdefxX " for c in data) and (" " in data or data.startswith("0x")):
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+ data_bytes = bytes.fromhex(data.replace("0x", "").replace("0X", ""))
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+ else:
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+ data_bytes = data.encode("utf-8")
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+
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+ self.ser.write(data_bytes)
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+ self.text_rx.insert(tk.END, f"[发送] {data}\n")
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+ self.entry_tx.delete(0, tk.END)
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+ except Exception as e:
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+ messagebox.showerror("发送错误", str(e))
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+ else:
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+ messagebox.showwarning("警告", "请先打开串口！")
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+
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+if __name__ == "__main__":
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+ root = tk.Tk()
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+ app = SerialAssistant(root)
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+ root.mainloop()
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