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@ -231,7 +231,7 @@ class XBeeFrameProcessor_Base(FrameProcessor):
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def _encapsulate(
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data: bytes,
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dest_addr64: bytes = DEST_ADDR64_BRAODCAST,
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dest_addr16 = DEST_ADDR16_BRAODCAST,
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dest_addr16: bytes = DEST_ADDR16_BRAODCAST,
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frame_id: int = 0x01,
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) -> bytes:
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"""
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@ -247,6 +247,8 @@ class XBeeFrameProcessor_Base(FrameProcessor):
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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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# ret = b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
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# logger.debug(ret.hex())
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return b'\x7E' + struct.pack(">H", len(frame)) + frame + struct.pack("B", checksum)
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@staticmethod
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@ -290,10 +292,7 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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MAX_PAYLOAD_PER_FRAME = 80
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CHUNK_SEND_INTERVAL_SEC = 0.01
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# ADDR16 選項
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DEST_ADDR16_BRAODCAST = b'\xFF\xFF'
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DEST_ADDR64_BRAODCAST = b'\x00\x00\x00\x00\x00\x00\xFF\xFF'
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class Esp32DeviceInfo:
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def __init__(self, system_id, address_64, last_hello_time):
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@ -306,6 +305,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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self.last_done_time = 0.0 # 最後送出Done的時間
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self.received_len = 0 # 收到封包累計
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def __init__(self, at_handler: "ATCommandHandler" = None):
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super().__init__(at_handler)
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@ -316,6 +317,10 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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self.operator_busy = False
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self.operator_running = False
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# ADDR16 選項
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self.DEST_ADDR16_BRAODCAST = b'\xFF\xFE'
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self.DEST_ADDR64_BRAODCAST = b'\x00\x00\x00\x00\x00\x00\xFF\xFF'
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self.serial_writer: Optional[Callable[[bytes], None]] = None
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self.event_loop: Optional[asyncio.AbstractEventLoop] = None
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self.serial_baudrate = 115200
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@ -328,10 +333,10 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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self.current_poll_address_64: Optional[bytes] = None
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self.current_poll_time = 0 # 本次 poll 丟出的時間紀錄
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self.last_discovery_time = 0.0 # 最後做廣播 discovery 的時間
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self.last_recieve_mavlink = 0.0 # 最後收到 mavlink payload 時間 為了定義 poll-done 之間不要超時用的
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self.MAX_mavPack_interval_timeout = 100 # ms,poll 期間 MAVLink/DONE 最大閒置間隔
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self.discovery_interval_seconds = 30.0 # 每次做 discovery 程序的間隔時間
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self.last_discovery_time = 0.0 # 這個是最後做廣播 discovery 的時間
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self.last_recieve_mavlink = 0.0 # 這個是最後收到 mavlink payload 時間 為了定義 poll-done 之間不要超時用的
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self.mavPack_interval_timeout = 150 # ms,poll 期間 MAVLink/DONE 最大閒置間隔
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self.discovery_interval_seconds = 200.0 # 每次做 discovery 程序的間隔時間
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self.device_offline_timeout = self.discovery_interval_seconds * 2 # 遠端沒有回應會被踢出 超時時限
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self.operator_tick_interval_seconds = 0.03 #
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self.guard_milliseconds = 50 # POLL DONE 的保底時間間隔
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@ -391,12 +396,12 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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return None
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if frame_type == self.FRAME_TYPE_TX_STATUS:
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length = (frame[1] << 8) | frame[2]
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logger.debug(
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f"TX Status raw={frame.hex()}, api_len={length}, "
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f"fid=0x{frame[4]:02X}, dest16=0x{(frame[5]<<8)|frame[6]:04X}, "
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f"retry={frame[7]}, delivery={frame[8]}, discovery={frame[9]}"
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)
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# length = (frame[1] << 8) | frame[2]
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# logger.debug(
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# f"TX Status raw={frame.hex()}, api_len={length}, "
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# f"fid=0x{frame[4]:02X}, dest16=0x{(frame[5]<<8)|frame[6]:04X}, "
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# f"retry={frame[7]}, delivery={frame[8]}, discovery={frame[9]}"
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# )
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return None
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logger.warning(f"Unknown XBee frame type: 0x{frame_type:02X}")
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@ -405,7 +410,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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# ---- DISC / POLL 封裝 ----
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def pack_discovery(self) -> bytes:
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return self._encapsulate(self.DISC_HEADER, frame_id=0x00)
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# logger.debug(f"pack discovery")
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return self._encapsulate(self.DISC_HEADER, dest_addr16 = self.DEST_ADDR16_BRAODCAST, dest_addr64 = self.DEST_ADDR64_BRAODCAST , frame_id=0x00)
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# 處理每個裝置回傳的 Hello 訊息
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def handle_hello_report(self, payload: bytes, sender_address_64: bytes) -> None:
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@ -451,8 +457,11 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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if remote_device is None:
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return
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system_id, sent_length, remain_length = struct.unpack('>BHH', payload[4:9])
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remote_device.remain_bytes = remain_length
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# 這段是有問題的 因為會有整數封包切割問題 以及載具端的 buffer 存量不足 故回傳的資訊量會與要求的不一致
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# system_id, sent_length, remain_length = struct.unpack('>BHH', payload[4:9])
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# if sent_length != remote_device.received_len:
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# logger.info(
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# f"POLL may be missing packets sent={sent_length} "
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@ -462,7 +471,6 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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# TODO 傳送速率
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# TODO 累積速率預測
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remote_device.received_len = 0
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remote_device.remain_bytes = remain_length
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remote_device.last_done_time = time.time()
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if (
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@ -582,12 +590,9 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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def _should_run_discovery(self) -> bool:
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# 條件1. 目前沒有任何遠端ESP裝置被紀錄 或者 手動啟動
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if (not self.esp32_address_mapping) or (self.pending_manual_discovery):
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return True
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return (time.time() - self.last_discovery_time) > 2
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# 條件2. 每個固定週期 會做一次
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return (
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time.time() - self.last_discovery_time
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>= self.discovery_interval_seconds
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)
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return (time.time() - self.last_discovery_time) > self.discovery_interval_seconds
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# ---- 手動請求(thread-safe 對外 API)----
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@ -753,6 +758,23 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
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self.is_discovery_phase = False
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self.pending_manual_discovery = False
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async def _wait_poll_done_with_idle_timeout(self) -> bool:
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idle_timeout_sec = self.mavPack_interval_timeout / 1000.0
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poll_tick = min(0.02, idle_timeout_sec)
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while not self.poll_done_event.is_set():
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if time.time() - self.last_recieve_mavlink >= idle_timeout_sec:
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return False
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# try:
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await asyncio.wait_for(
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self.poll_done_event.wait(),
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timeout=poll_tick,
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)
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# except asyncio.TimeoutError:
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# continue
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return True
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# poll 程序
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async def _run_one_poll(self, target_address_64: bytes, grant_bytes: int) -> None:
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if self.serial_writer is None:
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