6 Commits
14 changed files with 392 additions and 3290 deletions
+2
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@@ -1,5 +1,7 @@
這是天雷系統的專案
===
## 功能簡介
1. mavlink 多對多支援平台
+57 -59
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@@ -419,8 +419,13 @@ class WebSocketMavlinkReceiver(threading.Thread):
class DroneMonitor(Node):
# Subscribe to drone ROS2 topics
_instance = None # Singleton pattern to prevent duplicate nodes
def __init__(self):
super().__init__('drone_monitor')
# Use a unique node name with timestamp to avoid conflicts on restart
import time
node_name = f'drone_monitor_{int(time.time() * 1000) % 100000}'
super().__init__(node_name)
self.signals = DroneSignals()
self.drone_topics = {}
self.lock = Lock()
@@ -461,6 +466,17 @@ class DroneMonitor(Node):
# ================================================================================
self.serial_receivers = []
# ================================================================================
# 【新增】初始化 CommandLongClient(持久化,不會每次調用都創建/銷毀)
# ================================================================================
self.command_long_client = None
try:
self.command_long_client = CommandLongClient()
except Exception as e:
print(f"⚠️ 警告: 無法初始化 CommandLongClient: {e}")
self.command_long_client = None
# ================================================================================
# 主题检测定时器
self.create_timer(1.0, self.scan_topics)
@@ -586,7 +602,7 @@ class DroneMonitor(Node):
# ================================================================================
async def set_mode(self, drone_id, mode_name):
"""使用 CommandLongClient 切換無人機飛行模式"""
"""使用 CommandLongClient 切換無人機飛行模式(使用非阻塞的 async 方法)"""
try:
# 解析 drone_id 提取 sysid
parts = drone_id.split('_')
@@ -603,30 +619,24 @@ class DroneMonitor(Node):
print(f"\n📢 [SET_MODE] {drone_id} → {mode_name} (custom_mode={custom_mode})")
# 在線程池中調用 CommandLongClient
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
if not self.command_long_client:
print(f"❌ [SET_MODE] CommandLongClient 未初始化")
return False
def _call_set_mode():
client = CommandLongClient() if CommandLongClient else None
if not client:
return False
result = client.change_mode(
target_sysid=sysid,
custom_mode=float(custom_mode),
target_compid=0,
base_mode=1.0,
timeout_sec=2.0,
)
client.destroy_node()
return result.success if result else False
# 直接調用 async 方法,無需線程池(避免嵌套執行器衝突)
result = await self.command_long_client.change_mode_async(
target_sysid=sysid,
custom_mode=float(custom_mode),
target_compid=0,
base_mode=1.0,
timeout_sec=2.0,
)
result = await loop.run_in_executor(executor, _call_set_mode)
if result:
if result and result.success:
print(f"✅ [SET_MODE] 模式切換成功")
return True
else:
print(f"❌ [SET_MODE] 模式切換失敗")
print(f"❌ [SET_MODE] 模式切換失敗 (message={result.message if result else 'None'})")
return False
except Exception as e:
print(f"❌ [SET_MODE] 例外錯誤: {e}")
@@ -634,7 +644,7 @@ class DroneMonitor(Node):
return False
async def arm_drone(self, drone_id, arm):
"""使用 CommandLongClient 執行 ARM/DISARM"""
"""使用 CommandLongClient 執行 ARM/DISARM(使用非阻塞的 async 方法)"""
try:
# 解析 drone_id 提取 sysid
parts = drone_id.split('_')
@@ -646,29 +656,23 @@ class DroneMonitor(Node):
action_name = "解鎖" if arm else "上鎖"
print(f"\n📢 [ARM] {drone_id} → {action_name}")
# 在線程池中調用 CommandLongClient
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
if not self.command_long_client:
print(f"❌ [ARM] CommandLongClient 未初始化")
return False
def _call_arm_disarm():
client = CommandLongClient() if CommandLongClient else None
if not client:
return False
result = client.arm_disarm(
target_sysid=sysid,
arm=arm,
target_compid=0,
timeout_sec=2.0,
)
client.destroy_node()
return result.success if result else False
# 直接調用 async 方法,無需線程池(避免嵌套執行器衝突)
result = await self.command_long_client.arm_disarm_async(
target_sysid=sysid,
arm=arm,
target_compid=0,
timeout_sec=2.0,
)
result = await loop.run_in_executor(executor, _call_arm_disarm)
if result:
if result and result.success:
print(f"✅ [ARM] {action_name}成功")
return True
else:
print(f"❌ [ARM] {action_name}失敗")
print(f"❌ [ARM] {action_name}失敗 (message={result.message if result else 'None'})")
return False
except Exception as e:
print(f"❌ [ARM] 例外錯誤: {e}")
@@ -676,7 +680,7 @@ class DroneMonitor(Node):
return False
async def takeoff_drone(self, drone_id, altitude):
"""使用 CommandLongClient 執行無人機起飛"""
"""使用 CommandLongClient 執行無人機起飛(使用非阻塞的 async 方法)"""
try:
# 解析 drone_id 提取 sysid
parts = drone_id.split('_')
@@ -687,29 +691,23 @@ class DroneMonitor(Node):
print(f"\n📢 [TAKEOFF] {drone_id} → 起飛 (高度={altitude}m)")
# 在線程池中調用 CommandLongClient
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
if not self.command_long_client:
print(f"❌ [TAKEOFF] CommandLongClient 未初始化")
return False
def _call_takeoff():
client = CommandLongClient() if CommandLongClient else None
if not client:
return False
result = client.takeoff(
target_sysid=sysid,
altitude_m=float(altitude),
target_compid=0,
timeout_sec=2.0,
)
client.destroy_node()
return result.success if result else False
# 直接調用 async 方法,無需線程池(避免嵌套執行器衝突)
result = await self.command_long_client.takeoff_async(
target_sysid=sysid,
altitude_m=float(altitude),
target_compid=0,
timeout_sec=2.0,
)
result = await loop.run_in_executor(executor, _call_takeoff)
if result:
if result and result.success:
print(f"✅ [TAKEOFF] 起飛成功")
return True
else:
print(f"❌ [TAKEOFF] 起飛失敗")
print(f"❌ [TAKEOFF] 起飛失敗 (message={result.message if result else 'None'})")
return False
except Exception as e:
print(f"❌ [TAKEOFF] 例外錯誤: {e}")
+14 -1
View File
@@ -33,7 +33,7 @@ from mission_group import (
# ================================================================================
class ControlStationUI(QMainWindow):
VERSION = '2.0.3'
VERSION = '2.0.6'
def __init__(self):
super().__init__()
@@ -52,6 +52,10 @@ class ControlStationUI(QMainWindow):
self.executor = rclpy.executors.SingleThreadedExecutor()
self.executor.add_node(self.monitor)
# 添加 CommandLongClient 到執行器(這樣它的回調才能被處理)
if self.monitor.command_long_client:
self.executor.add_node(self.monitor.command_long_client)
# 定时处理ROS事件
self.timer = QTimer()
self.timer.timeout.connect(self.spin_ros)
@@ -1716,6 +1720,15 @@ class ControlStationUI(QMainWindow):
receiver.stop()
for receiver in self.monitor.ws_receivers:
receiver.stop()
# Clean up serial receivers
for receiver in self.monitor.serial_receivers:
receiver.stop()
# Clean up CommandLongClient
if self.monitor.command_long_client:
try:
self.monitor.command_long_client.destroy_node()
except:
pass
self.monitor.destroy_node()
self.executor.shutdown()
except Exception as e:
@@ -38,7 +38,7 @@ class SerialMode(Enum):
NOT_USE = auto() # 不使用
# ====================== Frame Processor Base and Implementation =====================
# ====================== Frame Processor 基類與實現 =====================
class FrameProcessor(ABC):
"""協議處理器基類"""
@@ -47,10 +47,10 @@ class FrameProcessor(ABC):
self.buffer = bytearray()
@abstractmethod
def process_incoming(self, data: bytes) -> bytes:
def process_incoming(self, data: bytes):
"""
處理接收到的數據
返回:已完整解析的 payload 列表 後續要丟到 UDP 去
返回:已完整解析的 payload 列表
"""
pass
@@ -66,7 +66,7 @@ class FrameProcessor(ABC):
class RawFrameProcessor(FrameProcessor):
"""原始數據直通處理器"""
def process_incoming(self, data: bytes) -> bytes:
def process_incoming(self, data: bytes):
"""直接返回原始數據,不進行緩衝"""
return [data] if data else []
@@ -76,106 +76,110 @@ class RawFrameProcessor(FrameProcessor):
class XBeeFrameProcessor(FrameProcessor):
"""
XBee API 協議處理器
職責:
- XBee API frame 的拆幀 / 組幀
- 0x90 (RX Packet) -> 解出 payload 回傳
- 0x88 (AT Response) -> 轉交 at_handler 處理(若有注入)
- 0x8B (TX Status) -> 目前忽略
- 其他 frame type -> 記 warning 忽略
若未來要做變化型 XBee(例如 API2 escape mode、不同 addressing),
繼承此類並覆寫 _encapsulate / _decapsulate / _try_extract_frame 即可。
"""
# XBee API frame type
FRAME_TYPE_TX_REQUEST = 0x10
FRAME_TYPE_AT_RESPONSE = 0x88
FRAME_TYPE_TX_STATUS = 0x8B
FRAME_TYPE_RX_PACKET = 0x90
def __init__(self, at_handler: "ATCommandHandler" = None):
super().__init__()
self.at_handler = at_handler
# ---- 對外契約 ----
def process_incoming(self, data: bytes) -> bytes:
"""XBee API 協議處理器"""
def process_incoming(self, data: bytes):
"""處理 XBee API 幀並提取 payload"""
self.buffer.extend(data)
payloads = []
while True:
frame = self._try_extract_frame()
if frame is None:
break
payload = self._dispatch_frame(frame)
if payload:
payloads.append(payload)
return payloads
def process_outgoing(self, data: bytes) -> bytes:
"""將數據封裝為 XBee API 傳輸幀"""
return self._encapsulate(data)
# ---- 內部:拆幀與分派 ----
def _try_extract_frame(self) -> bytes:
"""
從 buffer 嘗試抓一個完整 frame
- 對齊幀頭 0x7E
- 長度不足時等待下次進 buffer
- 成功則從 buffer 切掉並回傳整個 frame bytes
"""
while len(self.buffer) >= 3:
# 尋找幀頭
if self.buffer[0] != 0x7E:
self.buffer.pop(0)
continue
# 讀取 payload 長度
length = (self.buffer[1] << 8) | self.buffer[2]
full_length = 3 + length + 1 # 起始符(1) + 長度(2) + payload + 校驗和(1)
# 等待完整幀
if len(self.buffer) < full_length:
return None
break
# 提取完整 frame 並從緩衝區移除
frame = bytes(self.buffer[:full_length])
del self.buffer[:full_length]
return frame
# 判斷 frame 類型並處理
frame_type = frame[3]
if frame_type == 0x90: # RX Packet
payload = XBeeFrameHandler.decapsulate_data(frame)
if payload:
payloads.append(payload)
elif frame_type == 0x88: # AT Response
# 可以在這裡處理 AT 指令回應
# response = XBeeFrameHandler.parse_at_command_response(frame)
# 目前忽略
pass
elif frame_type == 0x8B: # Transmit Status
# 傳輸狀態,目前忽略
pass
else:
logger.warning(f"Unknown XBee frame type: 0x{frame_type:02X}")
return payloads
def process_outgoing(self, data: bytes) -> bytes:
"""將數據封裝為 XBee API 傳輸幀"""
return XBeeFrameProcessor.encapsulate_data(data)
return None
def _dispatch_frame(self, frame: bytes) -> bytes:
"""根據 frame type 分派;若是 RX payload 回傳 bytes,其餘回傳 None"""
frame_type = frame[3]
# ====================== XBee Frame Handler =====================
if frame_type == self.FRAME_TYPE_RX_PACKET:
return self._decapsulate(frame)
if frame_type == self.FRAME_TYPE_AT_RESPONSE:
if self.at_handler is not None:
self.at_handler.handle_frame(frame)
return None
if frame_type == self.FRAME_TYPE_TX_STATUS:
return None
logger.warning(f"Unknown XBee frame type: 0x{frame_type:02X}")
return None
# ---- 內部:編解碼 ----
class XBeeFrameHandler:
"""XBee API Frame 處理器"""
@staticmethod
def _encapsulate(
data: bytes,
dest_addr64: bytes = b'\x00\x00\x00\x00\x00\x00\xFF\xFF',
frame_id: int = 0x01,
) -> bytes:
def parse_at_command_response(frame: bytes) -> dict:
"""解析 AT Command Response (0x88)"""
if len(frame) < 8:
return None
frame_type = frame[3]
if frame_type != 0x88:
return None
frame_id = frame[4]
at_command = frame[5:7]
status = frame[7]
data = frame[8:] if len(frame) > 8 else b''
return {
'frame_id': frame_id,
'command': at_command,
'status': status,
'data': data,
'is_ok': status == 0x00
}
@staticmethod
def parse_receive_packet(frame: bytes) -> dict:
"""解析 RX Packet (0x90) - 未來擴展用"""
# if len(frame) < 15 or frame[3] != 0x90:
# return None
# return {
# 'source_addr': frame[4:12],
# 'reserved': frame[12:14],
# 'options': frame[14],
# 'data': frame[15:-1]
# }
pass
return None
@staticmethod
def encapsulate_data(data: bytes, dest_addr64: bytes = b'\x00\x00\x00\x00\x00\x00\xFF\xFF', frame_id = 0x01) -> bytes:
"""
將 payload 包成 XBee TX Request (0x10)
將數據封裝為 XBee API 傳輸幀
使用 XBee API 格式封裝數據:
- 傳輸請求幀 (0x10)
- 使用廣播地址
- 添加適當的頭部和校驗和
"""
frame_type = XBeeFrameProcessor.FRAME_TYPE_TX_REQUEST
frame_type = 0x10
dest_addr16 = b'\xFF\xFE'
broadcast_radius = 0x00
options = 0x00
@@ -187,24 +191,18 @@ class XBeeFrameProcessor(FrameProcessor):
return b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
@staticmethod
def _decapsulate(frame: bytes) -> bytes:
"""從 RX Packet (0x90) 取出 payload"""
length = (frame[1] << 8) | frame[2]
def decapsulate_data(data: bytes):
# 獲取數據長度 (不包括校驗和)
length = (data[1] << 8) | data[2]
rf_data_start = 3 + 12
return frame[rf_data_start:3 + length]
return data[rf_data_start:3 + length]
# ====================== Dongle Command Handler =====================
class ATCommandHandler:
"""
XBee AT 指令回應處理器
職責:
- 解析 AT Response frame (0x88)
- 依 AT 指令分派到對應的 handler
"""
"""AT 指令回應處理器"""
def __init__(self, serial_port: str):
self.serial_port = serial_port
self.handlers = {
@@ -213,93 +211,65 @@ class ATCommandHandler:
b'SL': self._handle_serial_low,
# 可擴展其他 AT 指令
}
def handle_frame(self, frame: bytes) -> None:
"""接收一整個 AT Response frame,內部完成 parse + dispatch"""
parsed = self._parse(frame)
if parsed is None:
return
self._dispatch(parsed)
@staticmethod
def _parse(frame: bytes) -> dict:
"""解析 AT Command Response (0x88);不符格式回傳 None"""
if len(frame) < 8:
return None
if frame[3] != 0x88:
return None
frame_id = frame[4]
at_command = frame[5:7]
status = frame[7]
data = frame[8:] if len(frame) > 8 else b''
return {
'frame_id': frame_id,
'command': at_command,
'status': status,
'data': data,
'is_ok': status == 0x00,
}
def _dispatch(self, response: dict) -> None:
def handle_response(self, response: dict):
"""根據 AT 指令類型分派處理"""
if not response['is_ok']:
logger.warning(
f"[{self.serial_port}] AT {response['command'].decode()} "
f"失敗,狀態碼: {response['status']}"
)
if not response or not response['is_ok']:
if response:
logger.warning(f"[{self.serial_port}] AT {response['command'].decode()} 失敗,狀態碼: {response['status']}")
return
handler = self.handlers.get(response['command'])
command = response['command']
handler = self.handlers.get(command)
if handler:
handler(response['data'])
else:
logger.debug(
f"[{self.serial_port}] 未處理的 AT 指令: "
f"{response['command'].decode()}"
)
logger.debug(f"[{self.serial_port}] 未處理的 AT 指令: {command.decode()}")
def _handle_rssi(self, data: bytes):
"""處理 DB (RSSI) 回應"""
# 未來可實現 RSSI 處理邏輯
pass
def _handle_serial_high(self, data: bytes):
"""處理 SH (Serial Number High)"""
pass
def _handle_serial_low(self, data: bytes):
"""處理 SL (Serial Number Low)"""
pass
# ================ Serial UDP Socket Object ==============
# ====================== Serial Handler =====================
class SerialHandler(asyncio.Protocol):
"""asyncio.Protocol 用於處理 Serial 收發"""
def __init__(self, udp_handler, serial_port_str, serial_mode: SerialMode):
self.udp_handler = udp_handler # UDP 的傳輸物件
self.serial_port_str = serial_port_str
self.serial_mode = serial_mode
self.transport = None # Serial 自己的傳輸物件
# 根據模式創建對應的 processor
self.processor = self._create_processor(serial_mode)
# AT 指令處理器(僅 XBee 模式使用)
if serial_mode == SerialMode.XBEEAPI2AT:
self.at_handler = ATCommandHandler(serial_port_str)
else:
self.at_handler = None
# 根據模式建立 processor(需要 AT handler 時一併在工廠內建好注入)
self.processor = self._create_processor(serial_mode, serial_port_str)
@staticmethod
def _create_processor(serial_mode: SerialMode, serial_port_str: str) -> FrameProcessor:
"""工廠方法:根據模式建立對應的 processor,必要時一併注入 AT handler"""
def _create_processor(self, serial_mode: SerialMode) -> FrameProcessor:
"""工廠方法:根據模式創建處理器"""
if serial_mode == SerialMode.STRAIGHT:
return RawFrameProcessor()
if serial_mode == SerialMode.XBEEAPI2AT:
at_handler = ATCommandHandler(serial_port_str)
return XBeeFrameProcessor(at_handler=at_handler)
logger.warning(f"Unknown serial mode: {serial_mode}, using Raw")
return RawFrameProcessor()
elif serial_mode == SerialMode.XBEEAPI2AT:
return XBeeFrameProcessor()
else:
logger.warning(f"Unknown serial mode: {serial_mode}, using Raw")
return RawFrameProcessor()
def connection_made(self, transport):
"""連接建立時的回調"""
@@ -321,6 +291,8 @@ class SerialHandler(asyncio.Protocol):
)
# ====================== UDP Handler =====================
class UDPHandler(asyncio.DatagramProtocol):
"""asyncio.DatagramProtocol 用於處理 UDP 收發"""
@@ -628,7 +600,7 @@ if __name__ == '__main__':
SERIAL_PORT = '/dev/ttyUSB0' # 手動指定
SERIAL_BAUDRATE = 115200
UDP_REMOTE_PORT = 14561
UDP_REMOTE_PORT = 14571
sm.create_serial_link(SERIAL_PORT, SERIAL_BAUDRATE, UDP_REMOTE_PORT, SerialMode.XBEEAPI2AT)
# SERIAL_PORT = '/dev/ttyACM0' # 手動指定
@@ -643,19 +615,3 @@ if __name__ == '__main__':
sm.remove_serial_link(1)
time.sleep(3)
sm.shutdown()
'''
================= 改版記錄 ============================
2026.4.20
1. XBeeFrameHandler 結構移除
2. XBeeFrameProcessor 新增 _encapsulate, _decapsulate 編碼解碼 xbee 封包的功能 (原來在 XBeeFrameHandler 中)
3. XBeeFrameProcessor 新增 _try_extract_frame 處理被可能截斷的 UART 封包
4. XBeeFrameProcessor 新增 _dispatch_frame 分配封包到 UDP 或者 Dongle Command Handler
5. ATCommandHandler 新增 _parse 去拆解 0x88 AT Command Response
6. ATCommandHandler 新增 _dispatch 把拆解的結果 分配到 _handle_XXX
7. ATCommandHandler 新增各項 _handle_XXX (未實作)
'''
+116
View File
@@ -4,6 +4,7 @@ from __future__ import annotations
from dataclasses import dataclass
from typing import Optional
import asyncio
import rclpy
from rclpy.node import Node
@@ -185,3 +186,118 @@ class CommandLongClient(Node):
param7=0.0,
timeout_sec=timeout_sec,
)
# ============================================================================
# 【新增】非阻塞 async 包裝方法(用於 GUI 的非阻塞調用)
# 這些方法在 ThreadPoolExecutor 中運行同步版本,以避免阻塞事件循環
# ============================================================================
async def change_mode_async(
self,
*,
target_sysid: int,
custom_mode: float,
target_compid: int = 0,
base_mode: float = 1.0,
confirmation: int = 0,
timeout_sec: float = DEFAULT_TIMEOUT_SEC,
) -> CommandLongResult:
"""非阻塞 async 版本的 change_mode(在 ThreadPoolExecutor 中運行)"""
from concurrent.futures import ThreadPoolExecutor
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
return await loop.run_in_executor(
executor,
lambda: self.change_mode(
target_sysid=target_sysid,
custom_mode=custom_mode,
target_compid=target_compid,
base_mode=base_mode,
confirmation=confirmation,
timeout_sec=timeout_sec,
)
)
async def arm_disarm_async(
self,
*,
target_sysid: int,
arm: bool,
target_compid: int = 0,
confirmation: int = 0,
param2: float = 0.0,
timeout_sec: float = DEFAULT_TIMEOUT_SEC,
) -> CommandLongResult:
"""非阻塞 async 版本的 arm_disarm(在 ThreadPoolExecutor 中運行)"""
from concurrent.futures import ThreadPoolExecutor
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
return await loop.run_in_executor(
executor,
lambda: self.arm_disarm(
target_sysid=target_sysid,
arm=arm,
target_compid=target_compid,
confirmation=confirmation,
param2=param2,
timeout_sec=timeout_sec,
)
)
async def takeoff_async(
self,
*,
target_sysid: int,
altitude_m: float,
target_compid: int = 0,
min_pitch_deg: float = 0.0,
yaw_deg: float = 0.0,
latitude: Optional[float] = None,
longitude: Optional[float] = None,
timeout_sec: float = DEFAULT_TIMEOUT_SEC,
) -> CommandLongResult:
"""非阻塞 async 版本的 takeoff(在 ThreadPoolExecutor 中運行)"""
from concurrent.futures import ThreadPoolExecutor
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
return await loop.run_in_executor(
executor,
lambda: self.takeoff(
target_sysid=target_sysid,
altitude_m=altitude_m,
target_compid=target_compid,
min_pitch_deg=min_pitch_deg,
yaw_deg=yaw_deg,
latitude=latitude,
longitude=longitude,
timeout_sec=timeout_sec,
)
)
async def land_async(
self,
*,
target_sysid: int,
target_compid: int = 0,
yaw_deg: float = 0.0,
latitude: Optional[float] = None,
longitude: Optional[float] = None,
altitude_m: float = 0.0,
timeout_sec: float = DEFAULT_TIMEOUT_SEC,
) -> CommandLongResult:
"""非阻塞 async 版本的 land(在 ThreadPoolExecutor 中運行)"""
from concurrent.futures import ThreadPoolExecutor
loop = asyncio.get_event_loop()
executor = ThreadPoolExecutor(max_workers=1)
return await loop.run_in_executor(
executor,
lambda: self.land(
target_sysid=target_sysid,
target_compid=target_compid,
yaw_deg=yaw_deg,
latitude=latitude,
longitude=longitude,
altitude_m=altitude_m,
timeout_sec=timeout_sec,
)
)
+45
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@@ -0,0 +1,45 @@
import rclpy
from rclpy.node import Node
from std_msgs.msg import String
import time
# import mavros_msgs.srv
class TalkerNode(Node):
def __init__(self):
start_time = time.time()
super().__init__('talker_node')
end_time = time.time()
print(f"Node initialization took {end_time - start_time:.2f} seconds")
self.publisher_ = self.create_publisher(String, 'hahatest/_1', 10)
self.timer = self.create_timer(1.0, self.timer_callback) # 每秒執行一次
self.get_logger().info('TalkerNode has been started.')
def timer_callback(self):
msg = String()
msg.data = 'Hello, ROS 2!'
self.publisher_.publish(msg)
self.get_logger().info(f'Published: "{msg.data}"')
def main(args=None):
rclpy.init(args=args)
node = TalkerNode()
print("Before sleep")
time.sleep(5) # 等待 5 秒鐘
print("After sleep")
try:
start_time = time.time()
while time.time() - start_time < 10: # 持續 10 秒鐘
rclpy.spin_once(node)
time.sleep(1) # 每秒執行一次
finally:
node.destroy_node()
rclpy.shutdown()
if __name__ == '__main__':
main()
-188
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@@ -1,188 +0,0 @@
import time
from pymavlink import mavutil
# # 強制 source_system=255
# master = mavutil.mavlink_connection('udpout:localhost:14561', source_system=255)
# print("Starting Force-Ping Test...")
# while True:
# # 1. 發送 Heartbeat (證明連線活著)
# master.mav.heartbeat_send(mavutil.mavlink.MAV_TYPE_GCS,
# mavutil.mavlink.MAV_AUTOPILOT_INVALID, 0, 0, 0)
# # 2. 強制發送 PING (target 1, 1)
# # 我們加一個計數器,方便在 tcpdump 裡辨識
# ping_seq = int(time.time()) % 100
# master.mav.ping_send(int(time.time() * 1e6), ping_seq, 1, 1)
# print(f"Sent Heartbeat and PING (seq {ping_seq})")
# # 3. 非阻塞讀取,避免卡死
# msg = master.recv_match(blocking=False)
# if msg:
# print(f"--> Received something: {msg.get_type()}")
# time.sleep(1) # 每秒噴一次
# -------------------------------------------------------------------
# # 改成 udpin,這會讓你的程式守在 14561 等模擬器送資料進來
# # 這樣你就能收到模擬器的 Heartbeat,建立連線後再發 PING
# master = mavutil.mavlink_connection('udpin:localhost:14561', source_system=255)
# print("Waiting for simulator heartbeat...")
# # 這一行很重要:先收到 Heartbeat,pymavlink 才會設定好 target 地址
# master.wait_heartbeat()
# print(f"Heartbeat from system {master.target_system} component {master.target_component}")
# while True:
# # 既然收到了,現在發 PING 就會順著原路回去
# master.mav.ping_send(int(time.time() * 1e6), 1, master.target_system, master.target_component)
# print("PING sent!")
# msg = master.recv_match(type='PING', blocking=True, timeout=2)
# if msg:
# print(f"Got PING response: {msg}")
# time.sleep(1)
# -------------------------------------------------------------------
# import time
# from pymavlink import mavutil
# # 核心修改:因為 MAVProxy 正在往 14561 噴資料,我們必須「接住」它
# # 使用 udpin 會讓你的程式在 14561 監聽
# master = mavutil.mavlink_connection('udpin:localhost:14561', source_system=254)
# print("正在等待 MAVProxy 轉發的 Heartbeat...")
# # 只要這行跑過,代表你跟 MAVProxy 握手成功了
# master.wait_heartbeat()
# print(f"成功連線到系統 {master.target_system}!")
# while True:
# # 1. 務必發送 Heartbeat,讓 MAVProxy 知道要把回應送回這個 Port
# master.mav.heartbeat_send(
# mavutil.mavlink.MAV_TYPE_GCS,
# mavutil.mavlink.MAV_AUTOPILOT_INVALID,
# 0, 0, 0
# )
# # 2. 修改 target_component 為 1 (飛控核心)
# # 注意:這裡刻意將 seq 設為動態,方便你在 watch PING 裡觀察
# p_seq = int(time.time()) % 255
# master.mav.ping_send(
# int(time.time() * 1e6),
# p_seq,
# 1,
# 1 # <--- 改成 1 試試看!
# )
# print(f"Sent PING seq {p_seq} to 1/1")
# # 3. 讀取所有訊息,看看有沒有 PING 回來
# # 有時候回應的 target_system 可能是 255 (你的 ID)
# msg = master.recv_match(type='PING', blocking=True, timeout=1.0)
# if msg:
# print(f"🎉 成功!收到回應: {msg}")
# time.sleep(1)
# -------------------------------------------------------------------
# import time
# from pymavlink import mavutil
# # 建議一樣用 udpin 監聽 MAVProxy 的輸出
# master = mavutil.mavlink_connection('udpin:localhost:14561', source_system=255)
# def get_time_ns():
# return int(time.time() * 1e9) # 轉為奈秒
# print("開始測試 TIMESYNC 響應...")
# while True:
# now_ns = get_time_ns()
# # 發送 TIMESYNC 請求
# # tc1=0 代表這是請求,ts1=當前時間
# master.mav.timesync_send(0, now_ns)
# # 等待回應
# msg = master.recv_match(type='TIMESYNC', blocking=True, timeout=1.0)
# if msg and msg.tc1 != 0:
# # 收到回應,msg.tc1 應該等於我們剛才送出的 now_ns
# rtt_ms = (get_time_ns() - msg.tc1) / 1e6
# print(f"🕒 TIMESYNC RTT: {rtt_ms:.3f} ms")
# break # 測試一次就好
# else:
# print("等待 TIMESYNC 回應中...")
# time.sleep(1)
# -------------------------------------------------------------------
import time
import statistics
from pymavlink import mavutil
# 連接到 MAVProxy 轉發的端口
master = mavutil.mavlink_connection('udpin:localhost:14561', source_system=255)
# 測試設定
TARGET_SYS = 2 # 你想測試的載具 ID
SAMPLES = 20 # 取 20 次樣本來算平均和抖動
rtt_history = []
print(f"開始測試對 System {TARGET_SYS} 的通道品質...")
def get_time_ns():
return int(time.time() * 1e9)
try:
while len(rtt_history) < SAMPLES:
ts1_send = get_time_ns()
# 發送 TIMESYNC (V1/V2 格式相容)
# 針對特定系統發送
master.mav.timesync_send(0, ts1_send)
# 等待回應 (過濾目標系統的訊息)
msg = master.recv_match(type='TIMESYNC', blocking=True, timeout=1.0)
if msg and msg.get_srcSystem() == TARGET_SYS and msg.tc1 != 0:
ts1_recv = get_time_ns()
rtt_ns = ts1_recv - msg.tc1
rtt_ms = rtt_ns / 1e6
rtt_history.append(rtt_ms)
print(f"Sample {len(rtt_history)}: RTT = {rtt_ms:.3f} ms")
else:
print("Request timeout or mismatched ID...")
time.sleep(0.1) # 快速採樣
# 4. 計算統計數據
avg_latency = statistics.mean(rtt_history)
std_dev = statistics.stdev(rtt_history) # 這就是 Jitter 的一種表現
max_rtt = max(rtt_history)
min_rtt = min(rtt_history)
print("\n--- 物理通道品質分析報告 ---")
print(f"目標載具 : System {TARGET_SYS}")
print(f"平均延遲 (Avg) : {avg_latency:.3f} ms")
print(f"最小延遲 (Min) : {min_rtt:.3f} ms")
print(f"最大延遲 (Max) : {max_rtt:.3f} ms")
print(f"抖動幅度 (Jitter): {std_dev:.3f} ms (標準差)")
if std_dev > 10:
print("警告:網路抖動過高,可能影響控制穩定性!")
else:
print("通道品質:良好")
except KeyboardInterrupt:
print("測試終止。")
@@ -1,46 +0,0 @@
from pymavlink.dialects.v20 import common as mavlink
class NullBuffer:
def write(self, data): pass
def seek(self, pos): pass
def tell(self): return 0
class CapturingBuffer:
def __init__(self):
self.last_data = b''
def write(self, data):
self.last_data = bytes(data)
def seek(self, pos): pass
def tell(self): return 0
# 1. 初始化(僅作為編碼器)
# file 參數可以是任何擁有 write() 方法的物件,這裡用 BytesIO 模擬
# 初始化方法一:使用 BytesIO
# import io
# out_buf = io.BytesIO()
# mav = mavlink.MAVLink(out_buf, srcSystem=1, srcComponent=191)
# 初始化方法二:使用自定義的 NullBuffer
mav = mavlink.MAVLink(NullBuffer(), srcSystem=1, srcComponent=191)
mav.seq = 254
# 2. 建立心跳包並取得二進制數據
# 連續產出「不同」的訊息物件
for i in range(3):
msg = mav.heartbeat_encode(mavlink.MAV_TYPE_GCS, 0, 0, 0, 0)
data = msg.pack(mav)
mav.seq = (mav.seq + 1) & 0xFF
# MAVLink 2 的序列號在第 3 個 Byte (Index 2)
print(f"第 {i} 次發送, Seq: {data[4]}, Raw: {data.hex()}")
print("分隔線")
buf = CapturingBuffer()
mav_buf2 = mavlink.MAVLink(buf, srcSystem=1, srcComponent=191)
for i in range(3):
mav_buf2.heartbeat_send(mavlink.MAV_TYPE_GCS, 0, 0, 0, 0)
data = buf.last_data
print(f"第 {i} 次發送, Seq: {data[4]}, Raw: {data.hex()}")
File diff suppressed because it is too large Load Diff
-71
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@@ -1,71 +0,0 @@
import asyncio
import serial_asyncio
SERIAL_PORT = '/dev/ttyUSB0' # 修改為你的 serial port
SERIAL_BAUDRATE = 115200 # 修改為你的 baudrate
UDP_REMOTE_IP = '192.168.1.100' # 修改為目標 IP
UDP_REMOTE_PORT = 5005 # 修改為目標 port
UDP_LOCAL_PORT = 5006 # 本地 UDP 監聽 port
class SerialToUDP(asyncio.Protocol):
def __init__(self, udp_transport):
self.udp_transport = udp_transport
def connection_made(self, transport):
self.transport = transport
def data_received(self, data):
# Serial 收到資料,轉發到 UDP
self.udp_transport.sendto(data, (UDP_REMOTE_IP, UDP_REMOTE_PORT))
def write_to_serial(self, data):
self.transport.write(data)
class UDPToSerial(asyncio.DatagramProtocol):
def __init__(self, serial_proto):
self.serial_proto = serial_proto
def datagram_received(self, data, addr):
# UDP 收到資料,轉發到 Serial
self.serial_proto.write_to_serial(data)
async def main():
loop = asyncio.get_running_loop()
# 定義協議工廠函數
def create_empty_protocol():
return asyncio.DatagramProtocol()
# 建立 UDP1 傳輸
udp_transport, _ = await loop.create_datagram_endpoint(
create_empty_protocol,
local_addr=('0.0.0.0', UDP_LOCAL_PORT)
)
# 建立 Serial 傳輸
serial_proto = SerialToUDP(udp_transport)
def get_serial_protocol():
return serial_proto
_, serial_transport = await serial_asyncio.create_serial_connection(
loop, get_serial_protocol, SERIAL_PORT, baudrate=SERIAL_BAUDRATE
)
# 建立 UDP2 監聽
udp_proto = UDPToSerial(serial_proto)
def get_udp_protocol():
return udp_proto
udp_listen_transport, _ = await loop.create_datagram_endpoint(
get_udp_protocol,
local_addr=('0.0.0.0', UDP_LOCAL_PORT)
)
# 保持運行
try:
await asyncio.Future()
except asyncio.CancelledError:
pass
if __name__ == '__main__':
asyncio.run(main())
+27
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@@ -0,0 +1,27 @@
#!/bin/bash
# 網站清單
DOMAINS=("google.com" "smarter.nchu.edu.tw")
echo "網站 SSL 憑證剩餘天數:"
echo "---------------------------"
for domain in "${DOMAINS[@]}"; do
end_date=$(echo | openssl s_client -servername "$domain" -connect "$domain:443" 2>/dev/null |
openssl x509 -noout -enddate | cut -d= -f2)
end_timestamp=$(date -d "$end_date" +%s)
now_timestamp=$(date +%s)
remaining_days=$(( (end_timestamp - now_timestamp) / 86400 ))
if [ $remaining_days -lt 0 ]; then
status="已過期 ❌"
elif [ $remaining_days -lt 15 ]; then
status="即將到期 ⚠️"
else
status="正常 ✅"
fi
printf "%-20s 到期日:%-25s 剩餘天數:%3d 天 %s\n" "$domain" "$end_date" "$remaining_days" "$status"
done
-40
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@@ -1,40 +0,0 @@
import socket
import sys
import select
# 設定來源 IP 與 Port
SRC_IP = '127.0.0.1' # 監聽所有介面
SRC_PORT = 16661 # 請自行修改
# 建立 UDP 監聽 socket
src_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
src_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
src_sock.bind((SRC_IP, SRC_PORT))
print(f"Listening for UDP on {SRC_IP}:{SRC_PORT}")
# 設定目標 Unix socket 路徑
UNIX_SOCKET_PATH = '/tmp/unix_socket_mavlink.sock' # 請自行修改
# 建立 Unix socket 連線
unix_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
try:
unix_sock.connect(UNIX_SOCKET_PATH)
except Exception as e:
print(f"Failed to connect to unix socket: {e}")
sys.exit(1)
while True:
# 使用 select 監聽兩個 socket
readable, _, _ = select.select([src_sock, unix_sock], [], [])
for sock in readable:
if sock is src_sock:
data, addr = src_sock.recvfrom(4096)
if data:
unix_sock.sendall(data)
# print(f"Received UDP data from {addr}: {data}") # debug
# break # debug
elif sock is unix_sock:
data = unix_sock.recv(4096)
if data:
# 回送到最近收到資料的 UDP client
src_sock.sendto(data, addr)