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@@ -4,19 +4,19 @@ 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.title("Python 帧格式串口助手")
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+ self.master.geometry("800x550")
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self.master.resizable(False, False)
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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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+ self.hex_display = tk.BooleanVar(value=True)
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- # 串口设置区
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+ # 串口设置
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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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@@ -44,12 +44,41 @@ class SerialAssistant:
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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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- # 发送区
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- frame_tx = ttk.LabelFrame(master, text="发送数据", padding=10)
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+ # 发送帧区
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+ frame_tx = ttk.LabelFrame(master, text="帧发送设置", 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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+ # 命令模板下拉
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+ ttk.Label(frame_tx, text="命令模板:").grid(row=0, column=0)
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+ self.combo_frame = ttk.Combobox(frame_tx, width=50, state="readonly", values=[
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+ "0A 00 00 00", # 保留字段部分固定
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+ "08 00 00 00",
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+ "03 0A 00 D0",
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+ "07 03 00 00",
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+ "05 00 00 14",
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+ "06 00 00 14",
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+ "05 00 00 14"
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+ ])
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+ self.combo_frame.grid(row=0, column=1, padx=5)
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+ self.combo_frame.current(0)
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+
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+ # 源地址下拉
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+ ttk.Label(frame_tx, text="源地址(2B):").grid(row=1, column=0)
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+ self.combo_src = ttk.Combobox(frame_tx, width=10, values=[
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+ "29 8A", "FF FF", "2A 75"
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+ ])
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+ self.combo_src.grid(row=1, column=1, padx=5)
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+ self.combo_src.current(0)
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+
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+ # 目标地址下拉
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+ ttk.Label(frame_tx, text="目标地址(2B):").grid(row=1, column=2)
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+ self.combo_dst = ttk.Combobox(frame_tx, width=10, values=[
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+ "B4 60", "50 05", "60 06" , "FF FF"
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+ ])
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+ self.combo_dst.grid(row=1, column=3, padx=5)
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+ self.combo_dst.current(0)
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+
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+ ttk.Button(frame_tx, text="发送帧", command=self.send_frame).grid(row=1, column=4, padx=10)
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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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@@ -88,35 +117,45 @@ class SerialAssistant:
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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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+ display_data = " ".join(f"{b:02X}" for b in raw_data) if self.hex_display.get() else raw_data.decode("utf-8", errors="ignore")
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+ self.text_rx.insert(tk.END, display_data + "\n")
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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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- 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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+ def send_frame(self):
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+ if not (self.ser and self.ser.is_open):
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messagebox.showwarning("警告", "请先打开串口！")
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+ return
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+
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+ try:
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+ cmd_template = self.combo_frame.get().replace(" ", "")
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+ src_addr = self.combo_src.get().replace(" ", "")
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+ dst_addr = self.combo_dst.get().replace(" ", "")
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+
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+ if len(cmd_template) % 2 != 0:
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+ raise ValueError("命令模板长度非法")
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+ if len(src_addr) != 4 or len(dst_addr) != 4:
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+ raise ValueError("地址长度非法")
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+
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+ # 组帧: 55 BB [命令模板] [源地址] [目标地址] FF EE
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+ frame = bytearray()
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+ frame.extend(b'\x55\xBB')
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+ frame.extend(bytes.fromhex(cmd_template))
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+ frame.extend(bytes.fromhex(src_addr))
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+ # 保留字段 3B, 可在模板里也可固定
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+ if len(cmd_template) < 4:
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+ frame.extend(b'\x00\x00\x00')
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+ frame.extend(bytes.fromhex(dst_addr))
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+ frame.extend(b'\xFF\xEE')
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+
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+ self.ser.write(frame)
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+ self.text_rx.insert(tk.END, f"[发送] {' '.join(f'{b:02X}' for b in frame)}\n")
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+ self.text_rx.see(tk.END)
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+
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+ except ValueError as e:
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+ messagebox.showerror("输入错误", str(e))
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+
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if __name__ == "__main__":
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root = tk.Tk()
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