Merge branch 'lunu' of http://140.120.108.238:49308/chiyu1468/AirTrapMine into lunu
This commit is contained in:
lenting89
@@ -0,0 +1,193 @@
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import asyncio
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import serial_asyncio
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import struct
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import os
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import sys
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import serial
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import signal
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import traceback
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from pymavlink import mavutil
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# === 設定區 ===
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SERIAL_PORT = 'COM15' # 手動指定
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SERIAL_BAUDRATE = 57600
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UDP_REMOTE_IP = '127.0.0.1'
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UDP_REMOTE_PORT = 14550
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DEBUG_MODE = False
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TARGET_ADDR64 = b'\x00\x00\x00\x00\x00\x00\xFF\xFF' # 廣播
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# === 工具函數 ===
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def check_serial_port():
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try:
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ser = serial.Serial(SERIAL_PORT, SERIAL_BAUDRATE)
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ser.close()
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return True
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except serial.SerialException as e:
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print(f"錯誤：串口設備 {SERIAL_PORT} 被占用或無法訪問：{str(e)}")
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return False
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except Exception as e:
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print(f"錯誤：檢查串口時發生未知錯誤：{str(e)}")
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return False
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def build_api_tx_frame(data: bytes, dest_addr64: bytes, frame_id=0x01) -> bytes:
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frame_type = 0x10
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dest_addr16 = b'\xFF\xFE'
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broadcast_radius = 0x00
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options = 0x00
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frame = struct.pack(">B", frame_type) + struct.pack(">B", frame_id)
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frame += dest_addr64 + dest_addr16
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frame += struct.pack(">BB", broadcast_radius, options) + data
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checksum = 0xFF - (sum(frame) & 0xFF)
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return b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
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# === Serial Protocol 實作 ===
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class SerialToUDP(asyncio.Protocol):
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def __init__(self, udp_protocol):
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self.udp_protocol = udp_protocol
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self.buffer = bytearray()
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def connection_made(self, transport):
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self.transport = transport
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if hasattr(self.udp_protocol, 'set_serial_transport'):
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self.udp_protocol.set_serial_transport(self)
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print(f"Serial connection established on {SERIAL_PORT}")
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def data_received(self, data):
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self.buffer.extend(data)
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while True:
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if len(self.buffer) < 3:
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return
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if self.buffer[0] != 0x7E:
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self.buffer.pop(0)
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continue
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length = (self.buffer[1] << 8) | self.buffer[2]
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full_length = 3 + length + 1
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if len(self.buffer) < full_length:
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return
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frame = self.buffer[:full_length]
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del self.buffer[:full_length]
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if hasattr(self.udp_protocol, 'send_udp'):
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self.udp_protocol.send_udp(bytes(frame))
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def write_to_serial(self, data):
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try:
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api_frame = build_api_tx_frame(data, TARGET_ADDR64)
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pass
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self.transport.write(api_frame)
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except Exception as e:
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print(f"[TX Error] 無法封裝或傳送資料: {e}")
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# === UDP Protocol 實作 ===
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class UDPHandler(asyncio.DatagramProtocol):
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def __init__(self):
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self.serial_transport = None
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self.transport = None
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self.mav_decoder = mavutil.mavlink.MAVLink(None)
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def connection_made(self, transport):
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self.transport = transport
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print("UDP transport ready.")
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def set_serial_transport(self, serial_transport):
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self.serial_transport = serial_transport
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def datagram_received(self, data, addr):
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if self.serial_transport:
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self.serial_transport.write_to_serial(data)
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def send_udp(self, data):
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decoded_data = self.decapsulate_data(data)
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if decoded_data is None:
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pass
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return
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self.decode_mavlink_data(decoded_data)
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if self.transport:
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self.transport.sendto(decoded_data, (UDP_REMOTE_IP, UDP_REMOTE_PORT))
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def decapsulate_data(self, data):
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try:
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if not data or data[0] != 0x7E:
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return None
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length = (data[1] << 8) | data[2]
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if len(data) < length + 4:
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return None
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frame_type = data[3]
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if frame_type == 0x90:
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rf_data_start = 3 + 12
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return data[rf_data_start:3 + length]
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else:
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return None
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except Exception as e:
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print(f"[XBee 解封錯誤] {e}")
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return None
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def decode_mavlink_data(self, data):
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try:
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msg = self.mav_decoder.parse_char(data)
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if msg:
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if msg.get_type() == "HEARTBEAT":
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pass # 不輸出任何訊息
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else:
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pass
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except Exception as e:
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print(f"[MAVLink Decode Error] {e}")
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# === 主流程 ===
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async def main():
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if not check_serial_port():
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print("程式終止：串口檢查失敗")
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return
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loop = asyncio.get_running_loop()
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if os.name != 'nt': # Windows 不支援 add_signal_handler
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for sig in (signal.SIGINT, signal.SIGTERM):
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loop.add_signal_handler(sig, lambda: asyncio.create_task(shutdown(loop)))
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udp_handler = UDPHandler()
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try:
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udp_transport, _ = await loop.create_datagram_endpoint(
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lambda: udp_handler,
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local_addr=('0.0.0.0', 0)
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)
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except Exception as e:
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print(f"無法創建 UDP 端點：{str(e)}")
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return
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sock = udp_transport.get_extra_info('socket')
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print(f"UDP listening on {sock.getsockname()}")
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try:
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serial_proto = SerialToUDP(udp_handler)
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await serial_asyncio.create_serial_connection(
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loop, lambda: serial_proto, SERIAL_PORT, baudrate=SERIAL_BAUDRATE
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)
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except Exception as e:
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print(f"無法建立串口連接：{str(e)}")
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traceback.print_exc()
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udp_transport.close()
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return
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print("等待串口資料...")
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try:
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await asyncio.Future()
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except asyncio.CancelledError:
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pass
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async def shutdown(loop):
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print("Shutting down...")
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tasks = [t for t in asyncio.all_tasks() if t is not asyncio.current_task()]
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for task in tasks:
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task.cancel()
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await asyncio.gather(*tasks, return_exceptions=True)
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loop.stop()
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if __name__ == '__main__':
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try:
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asyncio.run(main())
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except KeyboardInterrupt:
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print("程式被使用者中斷")
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except Exception as e:
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print("程式執行錯誤：")
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traceback.print_exc()
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@@ -0,0 +1,384 @@
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# === import 保持不變 ===
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import asyncio
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import serial_asyncio
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import struct
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import serial
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import traceback
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import time
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from collections import deque, defaultdict
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from pymavlink import mavutil
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import matplotlib.pyplot as plt
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import matplotlib.animation as animation
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import threading
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# === 多組設備設定 ===
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CONFIGS = [
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{"serial_port": "/dev/ttyUSB2", "udp_port": 14551},
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{"serial_port": "COM43", "udp_port": 14552},
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{"serial_port": "COM15", "udp_port": 14553},
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]
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SERIAL_BAUDRATE = 115200
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UDP_REMOTE_IP = '127.0.0.1'
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TARGET_ADDR64 = b'\x00\x00\x00\x00\x00\x00\xFF\xFF'
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# === 數據存儲 ===
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rssi_history = defaultdict(lambda: deque(maxlen=5000))
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time_history = defaultdict(lambda: deque(maxlen=5000))
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# === 新增：丟包率追蹤 ===
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packet_loss_history = defaultdict(lambda: deque(maxlen=1000))
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packet_loss_time_history = defaultdict(lambda: deque(maxlen=1000))
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mavlink_sequence_tracker = defaultdict(dict) # {sysid: {compid: {'last_seq': x, 'total_packets': y, 'lost_packets': z}}}
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packet_loss_stats = defaultdict(lambda: {'loss_rate': 0.0, 'total_received': 0, 'total_lost': 0})
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serial_to_sysid = {}
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serial_last_mavlink_time = {} # 優化 1：追蹤各 serial port 最近的 MAVLink 時間
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def calculate_packet_loss(sysid, compid, current_seq):
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"""計算丟包率"""
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global mavlink_sequence_tracker, packet_loss_stats
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tracker = mavlink_sequence_tracker[sysid]
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if compid not in tracker:
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# 第一次收到這個component的消息
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tracker[compid] = {
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'last_seq': current_seq,
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'total_packets': 1,
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'lost_packets': 0,
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'last_update': time.time()
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}
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return 0.0
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comp_tracker = tracker[compid]
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last_seq = comp_tracker['last_seq']
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# 計算序列號差異（處理255溢出）
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if current_seq > last_seq:
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expected_packets = current_seq - last_seq
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elif current_seq < last_seq:
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# 序列號溢出（0-255循環）
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expected_packets = (255 - last_seq) + current_seq + 1
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else:
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# 重複的序列號，忽略
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return comp_tracker.get('loss_rate', 0.0)
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# 更新統計
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comp_tracker['total_packets'] += expected_packets
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lost_packets = expected_packets - 1 # 實際收到1個，應該收到expected_packets個
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comp_tracker['lost_packets'] += max(0, lost_packets)
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comp_tracker['last_seq'] = current_seq
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comp_tracker['last_update'] = time.time()
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# 計算丟包率
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total_expected = comp_tracker['total_packets']
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total_lost = comp_tracker['lost_packets']
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loss_rate = (total_lost / total_expected) * 100.0 if total_expected > 0 else 0.0
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comp_tracker['loss_rate'] = loss_rate
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# 更新全局統計（按sysid匯總所有component）
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total_received = 0
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total_lost_all = 0
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total_expected_all = 0
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||||
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||||
for comp_id, comp_data in tracker.items():
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||||
total_expected_all += comp_data['total_packets']
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total_lost_all += comp_data['lost_packets']
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||||
total_received += comp_data['total_packets'] - comp_data['lost_packets']
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||||
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||||
overall_loss_rate = (total_lost_all / total_expected_all) * 100.0 if total_expected_all > 0 else 0.0
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||||
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packet_loss_stats[sysid] = {
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'loss_rate': overall_loss_rate,
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||||
'total_received': total_received,
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'total_lost': total_lost_all
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||||
}
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# 記錄到歷史數據
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||||
now = time.time()
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packet_loss_history[sysid].append(overall_loss_rate)
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packet_loss_time_history[sysid].append(now)
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||||
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||||
return overall_loss_rate
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def build_api_tx_frame(data: bytes, dest_addr64: bytes, frame_id=0x01) -> bytes:
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frame_type = 0x10
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dest_addr16 = b'\xFF\xFE'
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||||
broadcast_radius = 0x00
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||||
options = 0x00
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||||
frame = struct.pack(">B", frame_type) + struct.pack(">B", frame_id)
|
||||
frame += dest_addr64 + dest_addr16
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||||
frame += struct.pack(">BB", broadcast_radius, options) + data
|
||||
checksum = 0xFF - (sum(frame) & 0xFF)
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||||
return b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
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||||
|
||||
class SerialToUDP(asyncio.Protocol):
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||||
def __init__(self, udp_protocol, serial_port):
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||||
self.udp_protocol = udp_protocol
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||||
self.serial_port = serial_port
|
||||
self.buffer = bytearray()
|
||||
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||||
def connection_made(self, transport):
|
||||
self.transport = transport
|
||||
if hasattr(self.udp_protocol, 'set_serial_transport'):
|
||||
self.udp_protocol.set_serial_transport(self)
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||||
print(f"[{self.serial_port}] Serial connection established.")
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||||
|
||||
def data_received(self, data):
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||||
self.buffer.extend(data)
|
||||
while True:
|
||||
if len(self.buffer) < 3:
|
||||
return
|
||||
if self.buffer[0] != 0x7E:
|
||||
self.buffer.pop(0)
|
||||
continue
|
||||
length = (self.buffer[1] << 8) | self.buffer[2]
|
||||
full_length = 3 + length + 1
|
||||
if len(self.buffer) < full_length:
|
||||
return
|
||||
frame = self.buffer[:full_length]
|
||||
del self.buffer[:full_length]
|
||||
|
||||
if hasattr(self.udp_protocol, 'send_udp'):
|
||||
self.udp_protocol.send_udp(bytes(frame))
|
||||
|
||||
if frame[3] == 0x88 and frame[5:7] == b'DB':
|
||||
status = frame[7]
|
||||
if status == 0x00 and len(frame) > 8:
|
||||
rssi_value = frame[8]
|
||||
now = time.time()
|
||||
|
||||
# === 優化 1：僅信任最近 0.5 秒內有接收 MAVLink 的 port
|
||||
last_time = serial_last_mavlink_time.get(self.serial_port, 0)
|
||||
if now - last_time <= 0.5:
|
||||
sysid = serial_to_sysid.get(self.serial_port, None)
|
||||
if sysid is not None:
|
||||
rssi_history[sysid].append(-rssi_value)
|
||||
time_history[sysid].append(now)
|
||||
# print(f"[SYSID:{sysid}] RSSI = -{rssi_value} dBm")
|
||||
else:
|
||||
print(f"[{self.serial_port}] 找不到 sysid 對應，RSSI = -{rssi_value} dBm，已忽略")
|
||||
else:
|
||||
print(f"[{self.serial_port}] 超過 0.5 秒未接收 MAVLink，RSSI = -{rssi_value} dBm 已忽略")
|
||||
else:
|
||||
print(f"[{self.serial_port}] DB 指令失敗，狀態碼: {status}")
|
||||
|
||||
def write_to_serial(self, data):
|
||||
try:
|
||||
api_frame = build_api_tx_frame(data, TARGET_ADDR64)
|
||||
self.transport.write(api_frame)
|
||||
except Exception as e:
|
||||
print(f"[{self.serial_port} TX Error] 無法封裝或傳送資料: {e}")
|
||||
|
||||
def send_at_command_db(self):
|
||||
try:
|
||||
frame_type = 0x08
|
||||
frame_id = 0x52
|
||||
at_command = b'DB'
|
||||
parameter = b''
|
||||
frame = struct.pack(">B", frame_type) + struct.pack(">B", frame_id) + at_command + parameter
|
||||
checksum = 0xFF - (sum(frame) & 0xFF)
|
||||
api_frame = b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
|
||||
self.transport.write(api_frame)
|
||||
except Exception as e:
|
||||
print(f"[{self.serial_port}] 發送 DB 指令失敗: {e}")
|
||||
|
||||
class UDPHandler(asyncio.DatagramProtocol):
|
||||
def __init__(self, udp_port):
|
||||
self.udp_port = udp_port
|
||||
self.serial_transport = None
|
||||
self.transport = None
|
||||
self.mav_decoder = mavutil.mavlink.MAVLink(None)
|
||||
|
||||
def connection_made(self, transport):
|
||||
self.transport = transport
|
||||
print(f"[UDP:{self.udp_port}] transport ready.")
|
||||
|
||||
def set_serial_transport(self, serial_transport):
|
||||
self.serial_transport = serial_transport
|
||||
|
||||
def datagram_received(self, data, addr):
|
||||
if self.serial_transport:
|
||||
self.serial_transport.write_to_serial(data)
|
||||
|
||||
def send_udp(self, data):
|
||||
decoded_data = self.decapsulate_data(data)
|
||||
if decoded_data is None:
|
||||
return
|
||||
self.decode_mavlink_data(decoded_data)
|
||||
if self.transport:
|
||||
self.transport.sendto(decoded_data, (UDP_REMOTE_IP, self.udp_port))
|
||||
|
||||
def decapsulate_data(self, data):
|
||||
try:
|
||||
if not data or data[0] != 0x7E:
|
||||
return None
|
||||
length = (data[1] << 8) | data[2]
|
||||
if len(data) < length + 4:
|
||||
return None
|
||||
frame_type = data[3]
|
||||
if frame_type == 0x90:
|
||||
rf_data_start = 3 + 12
|
||||
return data[rf_data_start:3 + length]
|
||||
else:
|
||||
return None
|
||||
except Exception as e:
|
||||
print(f"[UDP:{self.udp_port} 解封錯誤] {e}")
|
||||
return None
|
||||
|
||||
def decode_mavlink_data(self, data):
|
||||
try:
|
||||
# 逐字節解析MAVLink
|
||||
for byte in data:
|
||||
msg = self.mav_decoder.parse_char(bytes([byte]))
|
||||
if msg:
|
||||
sysid = msg.get_srcSystem()
|
||||
compid = msg.get_srcComponent()
|
||||
seq = msg.get_seq()
|
||||
|
||||
if sysid == 0:
|
||||
continue
|
||||
|
||||
if self.serial_transport:
|
||||
serial_to_sysid[self.serial_transport.serial_port] = sysid
|
||||
serial_last_mavlink_time[self.serial_transport.serial_port] = time.time()
|
||||
self.serial_transport.send_at_command_db()
|
||||
|
||||
# === 新增：計算丟包率 ===
|
||||
try:
|
||||
loss_rate = calculate_packet_loss(sysid, compid, seq)
|
||||
# print(f"[SYSID:{sysid}] 丟包率: {loss_rate:.1f}%, SEQ: {seq}")
|
||||
except Exception as e:
|
||||
print(f"[UDP:{self.udp_port}] 丟包率計算錯誤: {e}")
|
||||
|
||||
except Exception as e:
|
||||
print(f"[UDP:{self.udp_port} MAVLink Decode Error] {e}")
|
||||
|
||||
def start_plotting():
|
||||
# 創建子圖：上方RSSI，下方丟包率
|
||||
fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(12, 8))
|
||||
|
||||
def update(frame):
|
||||
ax1.clear()
|
||||
ax2.clear()
|
||||
|
||||
# === RSSI 圖 ===
|
||||
ax1.set_title("RSSI", fontsize=14)
|
||||
ax1.set_xlabel("Time (s ago)")
|
||||
ax1.set_ylabel("RSSI (dBm)")
|
||||
ax1.set_xlim(30, 0) # 顯示最近10秒
|
||||
ax1.set_ylim(-100, -10)
|
||||
ax1.grid(True, alpha=0.3)
|
||||
|
||||
# === 丟包率圖 ===
|
||||
ax2.set_title("Packet Loss Rate", fontsize=14)
|
||||
ax2.set_xlabel("Time (s ago)")
|
||||
ax2.set_ylabel("Loss Rate (%)")
|
||||
ax2.set_xlim(10, 0)
|
||||
ax2.set_ylim(0, 100)
|
||||
ax2.grid(True, alpha=0.3)
|
||||
|
||||
now = time.time()
|
||||
|
||||
# 顏色列表
|
||||
colors = ['blue', 'red', 'green', 'orange', 'purple', 'brown', 'pink', 'gray']
|
||||
|
||||
for i, sysid in enumerate(sorted(rssi_history.keys())):
|
||||
color = colors[i % len(colors)]
|
||||
|
||||
# === 繪製 RSSI ===
|
||||
rssi_recent_indices = [
|
||||
idx for idx, ts in enumerate(time_history[sysid]) if now - ts <= 30
|
||||
]
|
||||
if rssi_recent_indices:
|
||||
rssi_t = [now - time_history[sysid][idx] for idx in rssi_recent_indices]
|
||||
rssi_r = [rssi_history[sysid][idx] for idx in rssi_recent_indices]
|
||||
if rssi_t and rssi_r:
|
||||
ax1.plot(rssi_t, rssi_r, label=f"SYSID:{sysid}", color=color, linewidth=2)
|
||||
|
||||
# 在RSSI圖上顯示當前數值
|
||||
if rssi_r:
|
||||
latest_rssi = rssi_r[-1]
|
||||
ax1.text(2, latest_rssi, f'{latest_rssi:.0f}dBm',
|
||||
bbox=dict(boxstyle="round,pad=0.3", facecolor=color, alpha=0.7),
|
||||
fontsize=10, fontweight='bold', color='white')
|
||||
|
||||
# === 繪製丟包率 ===
|
||||
if sysid in packet_loss_history:
|
||||
loss_recent_indices = [
|
||||
idx for idx, ts in enumerate(packet_loss_time_history[sysid]) if now - ts <= 10
|
||||
]
|
||||
if loss_recent_indices:
|
||||
loss_t = [now - packet_loss_time_history[sysid][idx] for idx in loss_recent_indices]
|
||||
loss_r = [packet_loss_history[sysid][idx] for idx in loss_recent_indices]
|
||||
if loss_t and loss_r:
|
||||
ax2.plot(loss_t, loss_r, label=f"SYSID:{sysid}", color=color, linewidth=2, marker='o', markersize=3)
|
||||
|
||||
# 在丟包率圖上顯示當前數值和統計
|
||||
if loss_r:
|
||||
latest_loss = loss_r[-1]
|
||||
stats = packet_loss_stats[sysid]
|
||||
|
||||
# 顯示丟包率百分比
|
||||
ax2.text(2, latest_loss + (i * 8), f'{latest_loss:.1f}%',
|
||||
bbox=dict(boxstyle="round,pad=0.3", facecolor=color, alpha=0.7),
|
||||
fontsize=10, fontweight='bold', color='white')
|
||||
|
||||
# 在圖表左側顯示詳細統計
|
||||
stats_text = f"SYSID {sysid}:\nRecieved: {stats['total_received']}\nLoss: {stats['total_lost']}\nLoss Rate: {latest_loss:.1f}%"
|
||||
ax2.text(28, 85 - (i * 20), stats_text,
|
||||
bbox=dict(boxstyle="round,pad=0.5", facecolor=color, alpha=0.8),
|
||||
fontsize=9, color='white', verticalalignment='top')
|
||||
|
||||
# 設置圖例
|
||||
ax1.legend(loc="upper right", fontsize=10)
|
||||
ax2.legend(loc="upper right", fontsize=10)
|
||||
|
||||
ani = animation.FuncAnimation(fig, update, interval=1000)
|
||||
plt.tight_layout()
|
||||
plt.show()
|
||||
|
||||
async def setup_bridge(config):
|
||||
serial_port = config["serial_port"]
|
||||
udp_port = config["udp_port"]
|
||||
try:
|
||||
ser = serial.Serial(serial_port, SERIAL_BAUDRATE)
|
||||
ser.close()
|
||||
except Exception as e:
|
||||
print(f"[{serial_port}] 串口打開失敗: {e}")
|
||||
return
|
||||
loop = asyncio.get_running_loop()
|
||||
udp_handler = UDPHandler(udp_port)
|
||||
try:
|
||||
await loop.create_datagram_endpoint(
|
||||
lambda: udp_handler,
|
||||
local_addr=('0.0.0.0', 0)
|
||||
)
|
||||
except Exception as e:
|
||||
print(f"[{serial_port}] 無法創建 UDP: {e}")
|
||||
return
|
||||
try:
|
||||
serial_proto = SerialToUDP(udp_handler, serial_port)
|
||||
await serial_asyncio.create_serial_connection(
|
||||
loop, lambda: serial_proto, serial_port, baudrate=SERIAL_BAUDRATE
|
||||
)
|
||||
except Exception as e:
|
||||
print(f"[{serial_port}] 無法建立串口連接：{e}")
|
||||
traceback.print_exc()
|
||||
return
|
||||
print(f"[{serial_port}] Serial <--> UDP:{udp_port} bridge ready.")
|
||||
|
||||
async def main():
|
||||
tasks = [setup_bridge(cfg) for cfg in CONFIGS]
|
||||
await asyncio.gather(*tasks)
|
||||
await asyncio.Future()
|
||||
|
||||
if __name__ == '__main__':
|
||||
try:
|
||||
threading.Thread(target=lambda: asyncio.run(main()), daemon=True).start()
|
||||
start_plotting()
|
||||
except KeyboardInterrupt:
|
||||
print("使用者中斷程式")
|
||||
except Exception as e:
|
||||
print("程式執行錯誤：")
|
||||
traceback.print_exc()
|
||||
Reference in New Issue
Block a user