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# 接收机，相当于本机（192.168.49.10，端口号为 5010）
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#，上行报文指接收机发送给上位机
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import tkinter as tk
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from threading import Thread
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import socket
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import time
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class SendApp:
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def __init__(self, window):
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self.window = window
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self.window.title("Send端")
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# 发送区域
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self.send_frame = tk.Frame(window)
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self.send_frame.pack(padx=10, pady=10)
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self.send_label = tk.Label(self.send_frame, text="发送数据")
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self.send_label.pack(side=tk.LEFT)
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self.send_entry = tk.Entry(self.send_frame)
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self.send_entry.pack(side=tk.LEFT)
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self.send_button = tk.Button(self.send_frame, text="发送", command=self.send_message)
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self.send_button.pack(side=tk.LEFT)
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# 接收区域
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self.recv_frame = tk.Frame(window)
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self.recv_frame.pack(padx=10, pady=10)
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self.recv_text = tk.Text(self.recv_frame, height=40, width=50)
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self.recv_text.pack(expand=True, fill="both")
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#创建udp对象
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self.sk = socket.socket(type=socket.SOCK_DGRAM)
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self.sk.bind(("127.0.0.1", 5010))
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# 开始接收数据的线程
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self.thread = Thread(target=self.receive_data)
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#运行解析下行报文函数
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self.thread.daemon = True
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self.thread.start()
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def send_message(self):
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msg = self.send_entry.get()
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#发送数据
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self.sk.sendto(msg.encode(), ("127.0.0.1", 9000))
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time.sleep(1)
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def receive_data(self):
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while True:
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#接收数据
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msg, addr = self.sk.recvfrom(1024)
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message_to_display = "Received: " + msg.decode() + " from " + str(addr)
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self.recv_text.insert(tk.END, message_to_display + "\n")
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self.analysis_message(msg)
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# 下行报文18字节固定长度
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"""帧格式：
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0~3 帧头 BYTE[8:10] 4 固定为0x58443341
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4 指令类型 UINT8 1 0x00:开始停止 0x01:工况查询 0x02:设备重置 0x03:授时指令 0x04:频率设置
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0x05:本机地址设置 0x06:本机位置设置 0x07:开启关闭测试模式
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5~14 指令内容 BYTE[10] 10 根据指令类型填充，当指令类型为0x01、0x02时可不填充
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15~17 帧尾 BYTE[3] 3 固定为0x334441
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"""
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#解析下行报文
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def analysis_message(self, msg):
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getmessage = msg.decode()
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#如果帧头不是0x58443341，则报文错误
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if getmessage[0:8] != "58443341":
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first_type = "错误类型:帧头错误"
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self.recv_text.insert(tk.END, first_type + "\n")
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return
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#解析指令类型
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#指令为00，开始停止
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if getmessage[8:10] == "00":
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instruction_type = "指令类型:开始停止"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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if getmessage[10:14] == "AAAA":
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start_stop = "开始上传解调数据"
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self.recv_text.insert(tk.END, start_stop + "\n")
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elif getmessage[10:14] == "5555":
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start_stop = "停止传输解调数据"
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self.recv_text.insert(tk.END, start_stop + "\n")
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else:
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start_stop = "指令"
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self.recv_text.insert(tk.END, start_stop + "\n")
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elif getmessage[8:10] == "01":
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instruction_type = "指令类型:工况查询"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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elif getmessage[8:10] == "02":
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instruction_type = "指令类型:设备重置"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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elif getmessage[8:10] == "03":
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instruction_type = "指令类型:授时指令"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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"""
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授时指令内容：
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0 年 UINT8 1 00-99，对应0x00-0x63,基数为2000，例如：2001年对应0x01,2099年对应0x63。
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1 月 UINT8 1 01-12，对应0x01-0x0C
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2 日 UINT8 1 01-31，对应0x01-0x1F
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3 时 UINT8 1 00-23，对应0x00-0x17
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4 分 UINT8 1 00-59，对应0x00-0x3B
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5 秒 UINT8 1 00-59，对应0x00-0x3B
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6-9 保留 UINT8 4
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"""
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year = int(getmessage[10:12],16)+2000
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month = int(getmessage[12:14],16)
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day = int(getmessage[14:16],16)
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hour = int(getmessage[16:18],16)
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minute = int(getmessage[18:20],16)
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second = int(getmessage[20:22],16)
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self.recv_text.insert(tk.END, "设置时间为: " + str(year) + "年" + str(month) + "月" + str(day) + "日" + str(hour) + "时" + str(minute) + "分" + str(second) + "秒\n")
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elif getmessage[8:10] == "04":
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instruction_type = "指令类型:频率设置"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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"""
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0 通道号 UINT8 1 0-3,表示ACARS的通道0-3
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1-4 频率 UINT32 4 单位KHz
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5-9 保留
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"""
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channel = int(getmessage[10:12],16)
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get_frequency = getmessage[12:18]
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byte_string = bytes.fromhex(get_frequency)
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frequency = int.from_bytes(byte_string, byteorder='little')
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self.recv_text.insert(tk.END, "ACARS通道" + str(channel) + "的频率为" + str(frequency) + "KHz\n")
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elif getmessage[8:10] == "05":
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instruction_type = "指令类型:本机地址设置"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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"""
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0-3 本机地址 UINT32 4 四个字节，分别对应第一到第四段号码
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4-9 保留
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"""
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#四个字节，分别对应第一到第四段号码
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address1 = int(getmessage[10:12],16)
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address2 = int(getmessage[12:14],16)
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address3 = int(getmessage[14:16],16)
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address4 = int(getmessage[16:18],16)
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ip_address = str(address1)+"."+str(address2)+"."+str(address3)+"."+str(address4)
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self.recv_text.insert(tk.END, "本机地址为" + str(ip_address) + "\n")
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elif getmessage[8:10] == "06":
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instruction_type = "指令类型:本机位置设置"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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"""
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0-3 经度 UINT32 4 单位：0.0001度，范围-90.000090.0000，北纬为正，南纬为负。如0xFFFB4D4D表示南纬30.7891度。0xFFFF表示无效。
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4-7 纬度 UINT32 4 单位：0.0001度，范围-180.0000180.0000。东经为正，西经为负。如0x001128D7表示东经112.4567度。0xFFFF表示无效：
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8-9 保留
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"""
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get_longitude = getmessage[10:18]
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if get_longitude[0:3] == "FFFF":
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longitude = "无效"
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else:
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byte_string = bytes.fromhex(get_longitude)
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longitude = int.from_bytes(byte_string, byteorder='little',signed=True)
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if(longitude < 0):
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long_tag = "南纬: "
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longitude = str((0-longitude)/10000)
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else:
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long_tag = "北纬: "
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longitude = str((longitude)/10000)
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get_latitude = getmessage[18:26]
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if get_latitude[0:3] == "FFFF":
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latitude = "无效"
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else:
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byte_string = bytes.fromhex(get_latitude)
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latitude = int.from_bytes(byte_string, byteorder='little',signed=True)
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if(latitude < 0):
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lat_tag = " 西经: "
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latitude = str((0-latitude)/10000)
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else:
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lat_tag = " 东经:"
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latitude = str((latitude)/10000)
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if(longitude == "无效" or latitude == "无效"):
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self.recv_text.insert(tk.END, "无效位置\n")
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else:
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self.recv_text.insert(tk.END, "本机位置为: " + str(long_tag) + str(longitude) + str(lat_tag) + str(latitude) + "\n")
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elif getmessage[8:10] == "07":
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instruction_type = "指令类型:开启关闭测试模式"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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if getmessage[10:14] == "AAAA":
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start_stop = "开启测试模式"
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self.recv_text.insert(tk.END, start_stop + "\n")
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elif getmessage[10:14] == "5555":
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start_stop = "关闭测试模式"
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self.recv_text.insert(tk.END, start_stop + "\n")
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else:
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start_stop = "开关测试指令错误"
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self.recv_text.insert(tk.END, start_stop + "\n")
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else:
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instruction_type = "指令类型:错误"
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self.recv_text.insert(tk.END, instruction_type + "\n")
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#如果帧尾不是0x334441，则报文错误
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if getmessage[30:36] != "334441":
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last_type = "错误类型:帧尾错误"
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self.recv_text.insert(tk.END, last_type + "\n")
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return
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if __name__ == "__main__":
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root = tk.Tk()
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app = SendApp(root)
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root.mainloop()
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