8 Commits
Author SHA1 Message Date
chiyu1468 de8b153f92 tmpCommit 2026-08-04 11:01:23 +08:00
chiyu1468 a68d937872 tmpCommit 2026-07-28 14:23:12 +08:00
chiyu1468 9707be2252 tempCommit 2026-07-27 15:30:59 +08:00
chiyu1468 1e07d1fa54 TempCommit 2026-07-20 14:27:42 +08:00
chiyu1468 2542663e9e tmp commit 2026-07-11 22:41:07 +08:00
chiyu1468 82d5e90460 wtf? 2026-07-01 11:39:28 +08:00
chiyu1468 8adb9c6bf3 comflict 2026-07-01 11:37:13 +08:00
chiyu1468 22ccd6f15e tempCommit 2026-07-01 11:16:59 +08:00
9 changed files with 2397 additions and 248 deletions
@@ -491,6 +491,10 @@ class ControlPanel:
menu_stack.pop()
idx_stack.pop()
elif selected.action == "DO_DISCOVERY_PANEL":
if hasattr(selected, 'serial_id'):
cmd_q.put(("DO_DISCOVERY", selected.serial_id))
# related with -> 列表選單
elif selected.action in ("PREV_PAGE", "NEXT_PAGE"):
if hasattr(selected, 'page'):
@@ -868,6 +872,7 @@ class ControlPanel:
obj_menu = MenuNode(f"Serial #{serial_id}", f"連結口 {serial_id}", None, children=[
MenuNode("Info", "查看詳細資訊", "INSPECT_LINKED_SERIAL"),
MenuNode("Remove", "移除此連結口", "REMOVE_LINKED_SERIAL"),
MenuNode("Discovery", "搜尋遠端RF(Only XBEE-ESP32)", "DO_DISCOVERY_PANEL"),
# MenuNode("Change UDP Target", "變更目標 UDP (工程)", "CHANGE_LINKED_SERIAL_TARGET"),
MenuNode("GoUp", "回到列表", "BACK"),
])
@@ -1319,6 +1324,11 @@ class Orchestrator:
elif action == "REMOVE_LINKED_SERIAL":
serial_id = cmd[1]
self.plumber.remove_serial_link(serial_id)
elif action == "DO_DISCOVERY":
serial_id = cmd[1]
processor = self.plumber.get_espv1_processor(serial_id)
if processor:
processor.request_discovery()
elif action == "INSPECT_VEHICLE":
sysid, compid = cmd[1], cmd[2]
@@ -37,6 +37,7 @@ class ComponentType(Enum):
class RFModuleType(Enum):
"""RF模組類型"""
XBEE = "xbee"
XBEE_ESP = "xbee_esp"
UDP = "udp"
TCP = "tcp"
OTHER = "other"
@@ -181,6 +182,7 @@ class RFStatus:
at_response: Optional[str] = None # AT 命令回應
link_quality: Optional[int] = None # 連接品質
timestamp: Optional[float] = None # 時間戳記
avg_bandwidth: Optional[float] = None # 量測到的傳輸速度 bytes/ms
custom_status: Dict[str, Any] = field(default_factory=dict) # 其他自定義狀態
@@ -275,6 +277,17 @@ class RFModule:
self.status = RFStatus()
self.socket_info = SocketInfo()
self.poll_data_times: deque[int] = deque([0] * N,maxlen=N) # ms
self.poll_data_sizes: deque[int] = deque([0] * N, maxlen=N) # num
self.poll_total_time = 0 # ms
self.poll_total_size = 0 # num
self.remain_bytes = 0 # num
def update_avg_bandwidth(self, bandwidth: float, timestamp: Optional[float] = None) -> None:
self.status.avg_bandwidth = bandwidth
if timestamp:
self.status.timestamp = timestamp
def update_rssi(self, rssi: int, timestamp: Optional[float] = None) -> None:
"""更新RSSI"""
self.status.rssi = rssi
@@ -135,24 +135,25 @@ class XBeeFrameProcessor_Base(FrameProcessor):
韌體版本 (Firmware Version): 2014 -> 2 (XBee 3 平台) + 0 (802.15.4 協議代碼) + 14 (次要版本號)。
"""
# XBee API frame type
FRAME_TYPE_TX_REQUEST = 0x10
FRAME_TYPE_AT_RESPONSE = 0x88
FRAME_TYPE_TX_STATUS = 0x8B
FRAME_TYPE_RX_PACKET = 0x90
# # XBee API frame type
# FRAME_TYPE_TX_REQUEST = 0x10
# FRAME_TYPE_AT_RESPONSE = 0x88
# FRAME_TYPE_TX_STATUS = 0x8B
# FRAME_TYPE_RX_PACKET = 0x90
# ADDR16 選項
DEST_ADDR16_UNICAST = b'\xFF\xFE'
DEST_ADDR16_BRAODCAST = b'\xFF\xFF'
# # ADDR16 選項
# DEST_ADDR16_UNICAST = b'\xFF\xFE'
# DEST_ADDR16_BRAODCAST = b'\xFF\xFF'
DEST_ADDR64_BRAODCAST = b'\x00\x00\x00\x00\x00\x00\x00\x00'
# DEST_ADDR64_BRAODCAST = b'\x00\x00\x00\x00\x00\x00\x00\x00'
def __init__(self, at_handler: "ATCommandHandler" = None):
super().__init__()
self.at_handler = at_handler
self.DEST_ADDR16_UNICAST = b'\xFF\xFE'
self.DEST_ADDR16_BRAODCAST = b'\xFF\xFF'
self.DEST_ADDR64_BRAODCAST = b'\x00\x00\x00\x00\x00\x00\x00\x00'
# ---- 對外契約 ----
def process_incoming(self, data: bytes) -> bytes:
@@ -172,7 +173,11 @@ class XBeeFrameProcessor_Base(FrameProcessor):
def process_outgoing(self, data: bytes) -> bytes:
"""將數據封裝為 XBee API 傳輸幀"""
return self._encapsulate(data)
return self._encapsulate(
data,
dest_addr64 = self.DEST_ADDR64_BRAODCAST,
dest_addr16 = self.DEST_ADDR16_BRAODCAST,
frame_id = 0x01)
# ---- 內部:拆幀與分派 ----
def _try_extract_frame(self) -> bytes:
@@ -209,21 +214,21 @@ class XBeeFrameProcessor_Base(FrameProcessor):
"""
frame_type = frame[3]
if frame_type == self.FRAME_TYPE_RX_PACKET: # mavlink
if frame_type == ATCommandHandler.FRAME_TYPE_RX_PACKET: # mavlink
return self._decapsulate(frame)[0]
if frame_type == self.FRAME_TYPE_AT_RESPONSE: # AT command
if frame_type == ATCommandHandler.FRAME_TYPE_AT_RESPONSE: # AT command
if self.at_handler is not None:
self.at_handler.handle_frame(frame)
return None
if frame_type == self.FRAME_TYPE_TX_STATUS:
length = (frame[1] << 8) | frame[2] # for debug
logger.info(
f"TX Status raw={frame.hex()}, api_len={length}, "
f"fid=0x{frame[4]:02X}, dest16=0x{(frame[5]<<8)|frame[6]:04X}, "
f"retry={frame[7]}, delivery={frame[8]}, discovery={frame[9]}"
) # for debug
if frame_type == ATCommandHandler.FRAME_TYPE_TX_STATUS:
# length = (frame[1] << 8) | frame[2] # for debug
# logger.info(
# f"TX Status raw={frame.hex()}, api_len={length}, "
# f"fid=0x{frame[4]:02X}, dest16=0x{(frame[5]<<8)|frame[6]:04X}, "
# f"retry={frame[7]}, delivery={frame[8]}, discovery={frame[9]}"
# ) # for debug
return None
logger.warning(f"Unknown XBee frame type: 0x{frame_type:02X}")
@@ -233,18 +238,18 @@ class XBeeFrameProcessor_Base(FrameProcessor):
@staticmethod
def _encapsulate(
data: bytes,
dest_addr64: bytes = DEST_ADDR64_BRAODCAST,
dest_addr16: bytes = DEST_ADDR16_BRAODCAST,
frame_id: int = 0x01,
dest_addr64: bytes,
dest_addr16: bytes,
frame_id: int = 0x00,
options: int = 0x00,
) -> bytes:
"""
將 payload 包成 XBee TX Request (0x10)
- 使用廣播地址
- 添加適當的頭部和校驗和
"""
frame_type = XBeeFrameProcessor_Base.FRAME_TYPE_TX_REQUEST
frame_type = ATCommandHandler.FRAME_TYPE_TX_REQUEST
broadcast_radius = 0x00
options = 0x00
frame = struct.pack(">B", frame_type) + struct.pack(">B", frame_id)
frame += dest_addr64 + dest_addr16
@@ -279,6 +284,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
這邊認定 esp_sysid 會等於 mavlink sysid
poll time = 0.2305 * grant_bytes + 58.094 (R平方為0.979 高線性相關)
硬體產品系列 (Product Family) : XBP9B-DM
晶片世代: XBee PRO 900HP 200K
運作頻段: 900 MHz RF。
@@ -293,7 +300,7 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
MAX_BYTES_PER_FLUSH = 150
MAX_PAYLOAD_PER_FRAME = 80
CHUNK_SEND_INTERVAL_SEC = 0.01
CHUNK_SEND_INTERVAL_SEC = 0.005
@@ -304,18 +311,18 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self.last_hello_time = last_hello_time
self.remain_bytes = 0 # 剩餘 buffer 量
self.last_poll_time = 0.0
self.last_done_time = 0.0 # 最後送出Done的時間
self.last_poll_time = 0.0 # 最後送出Done的時間 用於判斷poll順序
self.last_done_time = 0.0 # 最後收到Done的時間 用於判斷離線
self.received_len = 0 # 收到封包累計
self.poll_miss_count = 0 # poll 封包連續丟失的累計數
def __init__(self, at_handler: "ATCommandHandler" = None):
super().__init__(at_handler)
self.max_discovery_window_ms = 220
self.is_discovery_phase = False
self.esp32_address_mapping = {}
self.max_discovery_window_ms = 0.22
self.is_discovery_phase = False # 只是 show 狀態 用不太到
self.esp32_address_mapping = {} # bytes[Addr64] : Esp32DeviceInfo
self.operator_busy = False
self.operator_running = False
@@ -328,24 +335,33 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self.event_loop: Optional[asyncio.AbstractEventLoop] = None
self.serial_baudrate = 115200
self.gcs_transmit_queue: deque[bytearray] = deque()
self.poll_scheduler_state = pollStrategy.PollSchedulerState()
self.udp_transmit_queue: deque[bytearray] = deque()
# self.poll_scheduler_state = pollStrategy.PollSchedulerState()
self.command_pending_event: Optional[asyncio.Event] = None
self.poll_done_event: Optional[asyncio.Event] = None
self.current_poll_address_64: Optional[bytes] = None
self.current_poll_missing: bool = False
self.current_poll_time = 0 # 本次 poll 丟出的時間紀錄 用來運算傳輸效能
self.last_discovery_time = 0.0 # 這個是最後做廣播 discovery 的時間
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
self.mavPack_interval_timeout = 150 # ms,poll 期間 MAVLink/DONE 最大閒置間隔
self.discovery_interval_seconds = 200.0 # 每次做 discovery 程序的間隔時間
self.max_time_tolerance_poll_interval = 150 # (msec) poll 期間 每筆 MAVLink 資料 /DONE 最大閒置間隔
self.discovery_interval_seconds = 200.0 # (sec) 每次做 discovery 程序的間隔時間
self.device_offline_timeout = self.discovery_interval_seconds * 2 # 遠端沒有回應會被踢出 超時時限
self.operator_tick_interval_seconds = 0.03 #
self.operator_tick_interval_seconds = 0.005 #
self.guard_milliseconds = 50 # POLL DONE 的保底時間間隔
self.pending_manual_discovery = False
self.pending_manual_poll: Optional[tuple[int, Optional[int]]] = None
self.rssi_request = ATRequest(command=b'DB', parameter=b'', frame_id=0xFE)
self._pending_tx_count = 0
self._last_tx_sent_time = 0.0
self._next_gcs_frame_id = 0x10
self._rf_busy_timeout_sec = 2
# ---- 注入與設定 ----
def set_writer(self, writer: Callable[[bytes], None]) -> None:
@@ -359,6 +375,13 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self.serial_baudrate = baudrate
def _ensure_async_primitives(self) -> None:
"""
因為 FrameProcessor 被歸屬在 SerialHandler 裡面
SerialHandler 物件在初始化時 是在 main thread
然而 以下兩個 Event 物件是在分支 thread 運作的
所以這裡不能放到 __init__ 中
"""
if self.command_pending_event is None:
self.command_pending_event = asyncio.Event()
if self.poll_done_event is None:
@@ -369,12 +392,144 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self._ensure_async_primitives()
self.command_pending_event.set()
# ---- 對外契約 ----
def process_outgoing(self, data: bytes) -> bytes:
"""這裡不在用 Base 的方式 直接送出 而是先暫存到一處"""
self.enqueue_serial_transmit(data)
# self.wake_operator()
return b''
# ---- UDP 到 Serial 佇列 ----
# 把 UDP 的資料先放到 udp_transmit_queue
def enqueue_serial_transmit(self, payload: bytes) -> None:
if not payload:
return
self.udp_transmit_queue.append(bytearray(payload))
# 只是 show 狀態
def get_gcs_queue_byte_count(self) -> int:
return sum(len(packet) for packet in self.udp_transmit_queue)
# 只是 show 狀態
def get_gcs_queue_packet_count(self) -> int:
return len(self.udp_transmit_queue)
# ---- UDP 佇列透過 RF 模組 TX ----
# 判斷RF模組是不是已經完成送出
@property
def rf_busy(self) -> bool:
if self._pending_tx_count > 0:
if time.time() - self._last_tx_sent_time > self._rf_busy_timeout_sec:
logger.warning("RF busy timeout, force idle")
self._pending_tx_count = 0
return self._pending_tx_count > 0
return False
# 動態分配 frame_id 從 0x10~0xF0
def _alloc_tx_frame_id(self) -> int:
frame_id = self._next_gcs_frame_id
self._next_gcs_frame_id += 1
if self._next_gcs_frame_id > 0xF0:
self._next_gcs_frame_id = 0x10
return frame_id
# def _notify_tx_sent(self, frame_id: int) -> None:
# if frame_id == 0x00:
# return
# self._pending_tx_count += 1
# self._last_tx_sent_time = time.time()
def _handle_tx_status(self, frame: bytes) -> None:
if len(frame) < 9 :
return
frame_id = frame[4]
delivery = frame[8]
# logger.debug(f"mark C {self._pending_tx_count}")
if frame_id == 0x02: # poll pack 的回傳處理
# 若封包丟失 則設立旗標並停下等待迴圈
if delivery != 0x00:
self.current_poll_missing = True
self.poll_done_event.set()
elif (frame_id >= 0x10) and (frame_id > 0xF0): # UDP 上傳到 RF 的處理
if self._pending_tx_count > 0:
self._pending_tx_count -= 1
logger.debug(f"send Completed !")
if delivery != 0x00:
logger.warning( f"TX failed fid=0x{frame[4]:02X} delivery=0x{delivery:02X}" )
# 把 udp_transmit_queue 的 mavlink 封包依照大小打包出來
def _pop_flush_batch(self, max_bytes: int) -> List[bytes]:
if not self.udp_transmit_queue:
return []
batch: List[bytes] = []
total_bytes = 0
while self.udp_transmit_queue:
next_packet = bytes(self.udp_transmit_queue[0])
packet_length = len(next_packet)
# batch 沒東西 就轉移一筆 udp_transmit_queue 的資料進去
# 如果有就算一下這筆加進去會不會超出
if (not batch) or (total_bytes + packet_length <= max_bytes):
batch.append(self.udp_transmit_queue.popleft())
total_bytes += packet_length
else:
break
return batch
# # 把數據封裝好以後 交給 serial_writer 排程送出
# async def _send_udp_packet(self, packet: bytes) -> None:
# sent_offset = 0
# while sent_offset < len(packet):
# chunk_end = min(
# sent_offset + self.MAX_PAYLOAD_PER_FRAME,
# len(packet),
# )
# chunk = packet[sent_offset:chunk_end]
# sent_offset = chunk_end
# frame_id = self._alloc_tx_frame_id()
# self.serial_writer(
# self._encapsulate(
# chunk,
# dest_addr16 = self.DEST_ADDR16_BRAODCAST,
# dest_addr64 = self.DEST_ADDR64_BRAODCAST,
# frame_id=frame_id))
# self._notify_tx_sent(frame_id)
# await asyncio.sleep(self.CHUNK_SEND_INTERVAL_SEC)
# 處理從 UDP 來的資訊 丟給 Serial
async def flush_udp_transmit_queue(self) -> None:
if self.serial_writer is None:
logger.warning("GCS flush skipped: serial writer not ready")
return
for packet in self._pop_flush_batch(self.MAX_BYTES_PER_FLUSH):
# await self._send_udp_packet(packet)
frame_id = self._alloc_tx_frame_id()
self.serial_writer(
self._encapsulate(
packet,
dest_addr16 = self.DEST_ADDR16_BRAODCAST,
dest_addr64 = self.DEST_ADDR64_BRAODCAST,
frame_id=frame_id))
# self._notify_tx_sent(frame_id)
self._pending_tx_count += 1
self._last_tx_sent_time = time.time()
# ---- 拆幀分派 ----
def _dispatch_frame(self, frame: bytes) -> Optional[bytes]:
frame_type = frame[3]
if frame_type == self.FRAME_TYPE_RX_PACKET:
if frame_type == ATCommandHandler.FRAME_TYPE_RX_PACKET:
payload, sender_address_64 = self._decapsulate(frame)
if payload.startswith(self.HELLO_HEADER) and len(payload) == 5:
@@ -392,66 +547,83 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self.last_recieve_mavlink = time.time()
return payload
if frame_type == self.FRAME_TYPE_AT_RESPONSE:
if frame_type == ATCommandHandler.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:
# length = (frame[1] << 8) | frame[2]
# logger.debug(
if frame_type == ATCommandHandler.FRAME_TYPE_TX_STATUS:
self._handle_tx_status(frame)
# length = (frame[1] << 8) | frame[2] # for debug
# logger.info(
# f"TX Status raw={frame.hex()}, api_len={length}, "
# f"fid=0x{frame[4]:02X}, dest16=0x{(frame[5]<<8)|frame[6]:04X}, "
# f"retry={frame[7]}, delivery={frame[8]}, discovery={frame[9]}"
# )
# ) # for debug
return None
logger.warning(f"Unknown XBee frame type: 0x{frame_type:02X}")
return None
# ---- DISC / POLL 封裝 ----
# ---- DISC 封裝 / HELLO 處理 ----
def pack_discovery(self) -> bytes:
# logger.debug(f"pack discovery")
return self._encapsulate(self.DISC_HEADER, dest_addr16 = self.DEST_ADDR16_BRAODCAST, dest_addr64 = self.DEST_ADDR64_BRAODCAST , frame_id=0x00)
logger.debug(f"pack discovery")
return self._encapsulate(
self.DISC_HEADER,
dest_addr16 = self.DEST_ADDR16_BRAODCAST,
dest_addr64 = self.DEST_ADDR64_BRAODCAST,
frame_id=0x05)
# 處理每個裝置回傳的 Hello 訊息
def handle_hello_report(self, payload: bytes, sender_address_64: bytes) -> None:
system_id = payload[4]
remote_device = self.esp32_address_mapping.get(sender_address_64)
# 若無則新建
if remote_device is None:
self.esp32_address_mapping[sender_address_64] = self.Esp32DeviceInfo(
system_id, sender_address_64, time.time()
)
vehicle = vehicle_registry.get(system_id)
if vehicle and not vehicle.rf_module:
N = 10
vehicle.rf_module = RFModule(RFModuleType.XBEE_ESP)
vehicle.rf_module.poll_data_times: deque[int] = deque([0] * N,maxlen=N) # ms
vehicle.rf_module.poll_data_sizes: deque[int] = deque([0] * N, maxlen=N) # num
vehicle.rf_module.poll_total_time = 0 # ms
vehicle.rf_module.poll_total_size = 0 # num
vehicle.rf_module.remain_bytes = 0 # num
logger.debug(f"mark A")
logger.debug(
f"new HELO system_id={system_id}, address_64={sender_address_64.hex()}")
elif remote_device.address_64 == sender_address_64:
remote_device.last_hello_time = time.time()
else:
logger.warning(
f"SYSID duplicated system_id={system_id}, "
f"address_64={sender_address_64.hex()}"
)
remote_device.last_hello_time = time.time()
if vehicle:=vehicle_registry.get(system_id):
if not vehicle.rf_module:
vehicle.rf_module = RFModule(RFModuleType.XBEE)
# TODO 檢驗重複 sysid
# elif remote_device.system_id != system_id :
# logger.warning(
# f"SYSID duplicated system_id={system_id}, "
# f"address_64={sender_address_64.hex()}"
# )
def pack_poll(self, target_address_64: bytes, grant_bytes: int = 0) -> Optional[bytes]:
remote_device = self.esp32_address_mapping.get(target_address_64)
if remote_device is None:
return None
# ---- POLL 封裝 / DONE 處理 ----
def pack_poll(self, remote_device, grant_bytes: int = 0) -> Optional[bytes]:
# logger.debug(f"pack poll {remote_device.address_64.hex()} / {grant_bytes}")
poll_payload = self.POLL_HEADER + struct.pack(
'>BH', remote_device.system_id, grant_bytes
)
remote_device.received_len = 0
return self._encapsulate(
poll_payload,
dest_addr64=remote_device.address_64,
dest_addr16=self.DEST_ADDR16_UNICAST,
frame_id=0x02,
options=0x01 # xbee auto retry
)
def handle_done_report(self, payload: bytes, sender_address_64: bytes) -> None:
@@ -459,21 +631,27 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
if remote_device is None:
return
system_id, sent_length, remain_length = struct.unpack('>BHH', payload[4:9])
remote_device.remain_bytes = remain_length
# 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
# if sent_length != remote_device.received_len:
# logger.info(
# f"POLL may be missing packets sent={sent_length} "
# f"received={remote_device.received_len} system_id={system_id}"
# )
# 紀錄傳輸狀況 以利後續算速率
transmit_time = int((time.time() - self.current_poll_time)*1000) # ms
vehicle = vehicle_registry.get(system_id)
# logger.debug(f"Done! payload size:{remote_device.received_len} / time(ms):{transmit_time:.2f}")
# if vehicle and not vehicle.rf_module:
# vehicle.rf_module.poll_total_size -= vehicle.rf_module.poll_data_sizes[0]
# vehicle.rf_module.poll_total_size += remote_device.received_len
# vehicle.rf_module.poll_total_time -= vehicle.rf_module.poll_data_times[0]
# vehicle.rf_module.poll_total_time += transmit_time
# vehicle.rf_module.poll_data_sizes.append(remote_device.received_len)
# vehicle.rf_module.poll_data_times.append(transmit_time)
# logger.debug(f"{vehicle.rf_module.poll_total_size}")
# TODO 傳送速率
# TODO 累積速率預測
remote_device.received_len = 0
remote_device.last_done_time = time.time()
remote_device.last_poll_time = self.current_poll_time
if (
self.current_poll_address_64 is not None
@@ -482,77 +660,6 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
):
self.poll_done_event.set()
# ---- UDP到Serial 佇列 ----
def enqueue_gcs_transmit(self, payload: bytes) -> None:
if not payload:
return
self.gcs_transmit_queue.append(bytearray(payload))
# 只是 show 狀態
def get_gcs_queue_byte_count(self) -> int:
return sum(len(packet) for packet in self.gcs_transmit_queue)
# 只是 show 狀態
def get_gcs_queue_packet_count(self) -> int:
return len(self.gcs_transmit_queue)
# 把 gcs_transmit_queue 的 mavlink 封包依照大小打包出來
def _pop_flush_batch(self, max_bytes: int) -> List[bytes]:
if not self.gcs_transmit_queue:
return []
batch: List[bytes] = []
total_bytes = 0
while self.gcs_transmit_queue:
next_packet = bytes(self.gcs_transmit_queue[0])
packet_length = len(next_packet)
if not batch:
batch.append(self.gcs_transmit_queue.popleft())
total_bytes = packet_length
if packet_length > max_bytes:
break
continue
if total_bytes + packet_length <= max_bytes:
batch.append(self.gcs_transmit_queue.popleft())
total_bytes += packet_length
else:
break
return batch
# 把數據封裝好以後 交給 serial_writer 排程送出
async def _send_gcs_packet(self, packet: bytes) -> None:
# 重複判斷
# if self.serial_writer is None:
# return
sent_offset = 0
while sent_offset < len(packet):
chunk_end = min(
sent_offset + self.MAX_PAYLOAD_PER_FRAME,
len(packet),
)
chunk = packet[sent_offset:chunk_end]
sent_offset = chunk_end
self.serial_writer(self._encapsulate(chunk))
await asyncio.sleep(self.CHUNK_SEND_INTERVAL_SEC)
# 把上面兩個步驟打包起來 處理從 UDP 來的資訊 丟給 Serial
async def flush_gcs_transmit_queue(
self,
max_bytes: int = MAX_BYTES_PER_FLUSH,
) -> None:
if self.serial_writer is None:
logger.warning("GCS flush skipped: serial writer not ready")
return
for packet in self._pop_flush_batch(max_bytes):
await self._send_gcs_packet(packet)
# ---- POLL 排程輔助 ----
# 計算下次要 poll 的對象跟大小
@@ -560,17 +667,13 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
poll_devices = [
pollStrategy.PollDevice(
address_64=address_64,
# system_id=device.system_id,
remain_bytes=device.remain_bytes,
last_done_time=device.last_done_time,
last_poll_time=device.last_poll_time,
)
for address_64, device in self.esp32_address_mapping.items()
]
return pollStrategy.pick_next(
poll_devices,
self.poll_scheduler_state
)
return pollStrategy.pick_next(poll_devices, time.time())
# 移除長時間沒有 HELLO 或 DONE 的 Dongle
def _prune_stale_devices(self) -> None:
@@ -593,7 +696,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
def _should_run_discovery(self) -> bool:
# 條件1. 目前沒有任何遠端ESP裝置被紀錄 或者 手動啟動
if (not self.esp32_address_mapping) or (self.pending_manual_discovery):
return (time.time() - self.last_discovery_time) > 2
# logger.debug(f"mark D : {(time.time() - self.last_discovery_time) > (1 + 5 * self.max_discovery_window_ms)}")
return (time.time() - self.last_discovery_time) > (1 + 5 * self.max_discovery_window_ms)
# 條件2. 每個固定週期 會做一次
return (time.time() - self.last_discovery_time) > self.discovery_interval_seconds
@@ -610,7 +714,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
if not self.operator_running:
logger.warning("ESPv1 request_discovery: operator not running")
return False
self.event_loop.call_soon_threadsafe(self._apply_request_discovery)
# self.event_loop.call_soon_threadsafe(self._apply_request_discovery) # [del function] 每個 tick 間隔很短 不想要搞這麼複雜
self.pending_manual_discovery = True
return True
def request_poll(
@@ -628,24 +733,25 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
if not self.operator_running:
logger.warning("ESPv1 request_poll: operator not running")
return False
self.event_loop.call_soon_threadsafe(
self._apply_request_poll,
target_system_id,
grant_bytes,
)
# self.event_loop.call_soon_threadsafe(
# self._apply_request_poll,
# target_system_id,
# grant_bytes,
# ) # [del function] 每個 tick 間隔很短 不想要搞這麼複雜
self.pending_manual_poll = (target_system_id, grant_bytes)
return True
def _apply_request_discovery(self) -> None:
self.pending_manual_discovery = True
self.wake_operator()
# def _apply_request_discovery(self) -> None: # [del function] 每個 tick 間隔很短 不想要搞這麼複雜
# self.pending_manual_discovery = True
# self.wake_operator()
def _apply_request_poll(
self,
target_system_id: int,
grant_bytes: Optional[int],
) -> None:
self.pending_manual_poll = (target_system_id, grant_bytes)
self.wake_operator()
# def _apply_request_poll(
# self,
# target_system_id: int,
# grant_bytes: Optional[int],
# ) -> None: # [del function] 每個 tick 間隔很短 不想要搞這麼複雜
# self.pending_manual_poll = (target_system_id, grant_bytes)
# self.wake_operator()
def get_status_snapshot(self) -> dict:
"""
@@ -666,6 +772,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
})
return {
"operator_busy": self.operator_busy,
"rf_busy": self.rf_busy,
"pending_tx_count": self._pending_tx_count,
"is_discovery_phase": self.is_discovery_phase,
"gcs_queue_bytes": self.get_gcs_queue_byte_count(),
"gcs_queue_packets": self.get_gcs_queue_packet_count(),
@@ -697,7 +805,7 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
# 固定時間醒來
sleep_task = asyncio.create_task( asyncio.sleep(self.operator_tick_interval_seconds) )
# 有"急事"被叫醒
# 有"急事"被叫醒 : 程序中斷時
wake_task = asyncio.create_task(self.command_pending_event.wait())
done, pending = await asyncio.wait(
@@ -708,25 +816,41 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
for task in pending:
task.cancel()
# 主要迴圈 Main Loop
async def _operator_tick(self) -> None:
# 1. 移除沒反應 dongle
# 1. 更新資訊
# for src64, INFO in self.esp32_address_mapping.items():
# vehicle = vehicle_registry.get(INFO.system_id)
# if vehicle and vehicle.rf_module:
# speed = vehicle.rf_module.poll_total_size / (vehicle.rf_module.poll_total_time + 1)
# logger.debug(f"now speed: {speed:.2f} / total_size: {vehicle.rf_module.poll_total_size}")
# 2. 移除沒反應 dongle
self._prune_stale_devices()
# 2. 忙碌時 略過這次循環
# 3. 忙碌時 略過這次循環
if self.operator_busy:
return
# 3. (最優先) 處理從 UDP 過來的封包 並且透過 Serial 送出
if self.gcs_transmit_queue:
await self.flush_gcs_transmit_queue()
# 4. (最優先) 處理從 UDP 過來的封包 並且透過 Serial 送出
if self.udp_transmit_queue:
await self.flush_udp_transmit_queue()
return
# 4. 檢測要不要跑 discovery 程序
# 5. RF 仍在傳輸,略過 discovery / poll
if self.rf_busy:
return
# 6. 檢測要不要跑 discovery 程序
if self._should_run_discovery():
await self._run_discovery()
return
# 5. POLL 程序 (若有手動先執行 若無自動則策略決策)
# 7. POLL 程序 (若有手動先執行 若無自動則策略決策)
if self.pending_manual_poll is not None:
target_system_id, grant_bytes = self.pending_manual_poll
self.pending_manual_poll = None
@@ -738,6 +862,8 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
return
await self._run_one_poll(target_address, grant_bytes if grant_bytes is not None else 0)
# self.at_handler.send_command(self.rssi_request) # 送出 RSSI 請求封包
def _find_address_by_system_id(self, target_system_id: int) -> Optional[bytes]:
for address_64, device in self.esp32_address_mapping.items():
if device.system_id == target_system_id:
@@ -761,22 +887,22 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
self.is_discovery_phase = False
self.pending_manual_discovery = False
async def _wait_poll_done_with_idle_timeout(self) -> bool:
idle_timeout_sec = self.mavPack_interval_timeout / 1000.0
poll_tick = min(0.02, idle_timeout_sec)
# async def _wait_poll_done_with_idle_timeout(self) -> bool:
# idle_timeout_sec = self.max_time_tolerance_poll_interval / 1000.0
# poll_tick = min(0.02, idle_timeout_sec)
while not self.poll_done_event.is_set():
if time.time() - self.last_recieve_mavlink >= idle_timeout_sec:
return False
# try:
await asyncio.wait_for(
self.poll_done_event.wait(),
timeout=poll_tick,
)
# while not self.poll_done_event.is_set():
# if time.time() - self.last_recieve_mavlink >= idle_timeout_sec:
# return False
# # try:
# await asyncio.wait_for(
# self.poll_done_event.wait(),
# timeout=poll_tick,
# )
# except asyncio.TimeoutError:
# continue
return True
# # except asyncio.TimeoutError:
# # continue
# return True
# poll 程序
async def _run_one_poll(self, target_address_64: bytes, grant_bytes: int) -> None:
@@ -785,34 +911,72 @@ class XBeeFrameProcessor_ESPv1(XBeeFrameProcessor_Base):
# 這邊把要求封包最小量放在36 是讓載具端正好可以回傳一個有簽章的 HEARTBEAT 封包的大小
# 算是 "探測封包" 這樣讓系統可以更快速的知道載具端殘餘的資料量
grant_bytes = max(36, min(int(grant_bytes), 65535))
# 這個別定義在這邊了 讓 pollStategy 好好做自己的事情
# grant_bytes = max(36, min(int(grant_bytes), 65535))
poll_frame = self.pack_poll(target_address_64, grant_bytes)
if poll_frame is None:
return
remote_device = self.esp32_address_mapping.get(target_address_64)
if remote_device is None:
return None
# 打包 poll pack
poll_frame = self.pack_poll(remote_device, grant_bytes)
self._ensure_async_primitives()
self.operator_busy = True
remote_device.received_len = 0
self.current_poll_address_64 = target_address_64
self.current_poll_time = time.time()
self.current_poll_missing = False
self.poll_done_event.clear()
self.serial_writer(poll_frame)
self.last_recieve_mavlink = time.time()
self.last_recieve_mavlink = time.time() - 0.025 # 第一筆故意給多一些等待時間
try:
completed = await self._wait_poll_done_with_idle_timeout()
if not completed:
logger.warning(
f"POLL timeout address_64={target_address_64.hex()} "
f"grant_bytes={grant_bytes}"
# 這邊會做傳送等待
completed = await self._wait_poll_done_with_idle_timeout()
# 這邊代表的是 poll 有觸發 也有收到資料 但是 done 沒有收到
if (not completed) and (not remote_device.received_len):
logger.debug(
f"POLL timeout address_64={target_address_64.hex()} "
f"grant_bytes={grant_bytes} "
f"get={remote_device.received_len}"
)
remote_device.remain_bytes = max(remote_device.remain_bytes - remote_device.received_len, 0)
remote_device.last_done_time = time.time()
remote_device.last_poll_time = self.current_poll_time
# 判斷是否 poll pack 丟失 並紀錄連續丟失 清空 remain_bytes
if self.current_poll_missing:
remote_device.poll_miss_count += 1
remote_device.remain_bytes = 0
self.operator_busy = False
self.current_poll_address_64 = None
# poll 程序中 只要目標的載具還有在傳資訊 就不會終止資料的接收
async def _wait_poll_done_with_idle_timeout(self) -> bool:
# 容許時間
idle_timeout_sec = self.max_time_tolerance_poll_interval / 1000.0
# 每次檢查間隔
poll_tick = min(0.02, idle_timeout_sec / 2)
while not self.poll_done_event.is_set():
if time.time() - self.last_recieve_mavlink >= idle_timeout_sec:
return False
try:
await asyncio.wait_for(
self.poll_done_event.wait(),
timeout=poll_tick,
)
finally:
self.operator_busy = False
self.current_poll_address_64 = None
await asyncio.sleep(self.guard_milliseconds / 1000.0)
except asyncio.TimeoutError:
continue
return True
def stop_operator(self) -> None:
self.operator_running = False
self.gcs_transmit_queue.clear()
self.udp_transmit_queue.clear()
self.wake_operator()
@@ -832,8 +996,15 @@ class ATCommandHandler:
"""
FRAME_TYPE_AT_COMMAND = 0x08
FRAME_TYPE_AT_RESPONSE = 0x88
FRAME_TYPE_TX_REQUEST = 0x10
FRAME_TYPE_TX_STATUS = 0x8B
FRAME_TYPE_RX_PACKET = 0x90
def __init__(self, serial_port: str):
self.send_command_time = 0.0 # for dev
self.serial_port = serial_port
self.writer = None
self.handlers = {
@@ -843,9 +1014,8 @@ class ATCommandHandler:
# 可擴展其他 AT 指令
}
# ---- 發送端 ----
# ---- 發送端 ---- # 這個不應該出現在這 越權了
def set_writer(self, writer):
"""由 SerialHandler 注入實際寫入 serial 的 callable"""
self.writer = writer
def send_command(self, request: ATRequest):
@@ -857,6 +1027,8 @@ class ATCommandHandler:
return
self.writer(self._build_at_request(request))
self.send_command_time = time.time()
# logger.debug(
# f"[{self.serial_port}] send AT {request.command.decode(errors='replace')} "
# f"(frame_id=0x{request.frame_id:02X})"
@@ -884,10 +1056,12 @@ class ATCommandHandler:
if parsed_at_ack is None:
return
if not rx_module_ack.put(parsed_at_ack):
logger.warning(
f"[{self.serial_port}] rx_module_ack overflow, drop {parsed_at_ack.command!r}"
)
# TODO 本來是打算把 serialManager 的資訊傳給 mavlinkObject 去處理
# 但是可以考慮 直接寫到 mavlinkVehicleView 裡面
# if not rx_module_ack.put(parsed_at_ack):
# logger.warning(
# f"[{self.serial_port}] rx_module_ack overflow, drop {parsed_at_ack.command!r}"
# )
self._dispatch(parsed_at_ack)
@@ -930,11 +1104,9 @@ class ATCommandHandler:
def _handle_rssi(self, response: ATResponse):
"""處理 DB (RSSI) 回應:單 byte 無號值,單位 dBm"""
# print(f"[{self.serial_port}] RSSI = -{data[0]} dBm") # dev
logger.debug(f"[{self.serial_port}] RSSI = -{response.data[0]} dBm") # dev
ack_time = (time.time() - self.send_command_time)*1000 # for dev
# logger.debug(f"{ack_time:.2f}") # for dev
logger.debug(f"[{self.serial_port}] RSSI = -{response.data[0]} dBm / AT ack time:{ack_time}") # dev
def _handle_serial_high(self, response: ATResponse):
"""處理 SH (Serial Number High)"""
@@ -1031,15 +1203,9 @@ class UDPHandler(asyncio.DatagramProtocol):
logger.warning("Serial handler not set, dropping UDP packet")
return
if self.serial_mode == SerialMode.XBEEAPI_espv1:
processor = self.serial_handler.processor
# if isinstance(processor, XBeeFrameProcessor_ESPv1): # 預設唯一綁定 少一個 if 多一點效率
processor.enqueue_gcs_transmit(data)
processor.wake_operator()
return
processed_data = self.serial_handler.processor.process_outgoing(data)
self.serial_handler.transport.write(processed_data)
if processed_data:
self.serial_handler.transport.write(processed_data)
# ====================== Serial Manager =====================
@@ -1315,12 +1481,14 @@ class serial_manager:
logger.error(f"Serial object {serial_id} not found")
return False
# TODO 這邊的防呆 應該可以不用 if 有空再改
serial_obj = self.serial_objects[serial_id]
if serial_obj.serial_mode != SerialMode.XBEEAPI2AT:
processor = serial_obj.serial_handler.processor
if not isinstance(processor, XBeeFrameProcessor_Base):
logger.error(
f"Serial {serial_id} mode is {serial_obj.serial_mode.name}, "
f"AT command only supported in XBEEAPI2AT mode"
f"AT Command NOT supported yet!"
)
return False
@@ -1414,17 +1582,35 @@ if __name__ == '__main__':
UDP_REMOTE_PORT = 14561
sm.create_serial_link(SERIAL_PORT, SERIAL_BAUDRATE, UDP_REMOTE_PORT, SerialMode.XBEEAPI_espv1)
# test_sysid = 20
# vehicle = vehicle_registry.register(test_sysid)
# if vehicle.rf_module is None:
# vehicle.rf_module = RFModule(RFModuleType.XBEE_ESP)
time.sleep(2) # 等 serial 連線與 operator 啟動
serial_id = 1
processor = sm.get_espv1_processor(serial_id)
if processor is not None:
processor.request_discovery()
processor.request_poll(target_system_id=1)
processor.request_poll(target_system_id=1, grant_bytes=200)
# for x in range(10):
# processor.request_discovery()
# time.sleep(1)
# print(f"mark N{x}")
# processor.request_poll(target_system_id=1)
# processor.request_poll(target_system_id=1, grant_bytes=200)
print(processor.get_status_snapshot())
print(processor.get_gcs_queue_byte_count())
# rssi_request = ATRequest(command=b'DB', parameter=b'', frame_id=0xFE)
# for i in range(3):
# processor = sm.get_espv1_processor(serial_id)
# if processor is not None:
# deadline = time.time() + 5.0 # 最多等 5 秒,避免永遠卡住
# while processor.operator_busy and time.time() < deadline:
# time.sleep(0.01)
# sm.send_at_command(1, rssi_request)
# time.sleep(1)
time.sleep(120)
sm.remove_serial_link(serial_id)
sm.shutdown()
@@ -7,42 +7,54 @@ POLL 輪詢策略,供 XBeeFrameProcessor_ESPv1 使用。
from dataclasses import dataclass
from typing import List
MIN_TRIGGER_INTERVAL_MS = 5
@dataclass(frozen=True)
class PollDevice:
"""從 esp32AddrMapping 抽出的唯讀快照。"""
address_64: bytes
# system_id: int
remain_bytes: int
last_done_time: float
last_poll_time: float
@dataclass
class PollSchedulerState:
"""每條 serial link 一份,保存 round-robin 索引。"""
round_robin_index: int = 0
def pick_next(
devices: List[PollDevice],
scheduler_state: PollSchedulerState
):
def pick_next(devices: List[PollDevice], now_time):
"""
選下一個 POLL 目標。
回傳 (target_address_64, grant_bytes);devices 為空時回傳 (None, 0)。
poll time = 0.2305 * grant_bytes + 58.094 (R平方為0.979 高線性相關) @-40db
"""
if not devices:
return None, 0
device_count = len(devices)
selected_index = scheduler_state.round_robin_index % device_count
selected_device = devices[selected_index]
scheduler_state.round_robin_index += 1
grant_bytes = 0
if selected_device.remain_bytes > 0:
grant_bytes = min( 65535, max(0, selected_device.remain_bytes))
device_count = len(devices)
weights = [0] * device_count
for i in range(device_count):
gap = int((now_time - devices[i].last_poll_time)*1000)
# # 時間大於觸發間隔 才會計算
# if gap >= MIN_TRIGGER_INTERVAL_MS:
# weights[i] += devices[i].remain_bytes
# weights[i] += gap
weights[i] += devices[i].remain_bytes
weights[i] += gap
maxarg = weights.index(max(weights))
if weights[maxarg] == 0:
return None, 0
selected_device = devices[maxarg]
if selected_device.remain_bytes < 500:
grant_bytes = 170 # 這個大概是 100 ms 總傳輸時間
elif selected_device.remain_bytes < 1200:
grant_bytes = 610 # 這個大概是 200 ms 總傳輸時間
else:
grant_bytes = 1050 # 這個大概是 300 ms 總傳輸時間
return selected_device.address_64, grant_bytes
+1
View File
@@ -27,6 +27,7 @@
python -m fc_network_adapter.tests.test_vehicleStatusPublisher
python -m fc_network_adapter.tests.test_ringBuffer
python -m fc_network_adapter.fc_network_adapter.mainOrchestrator
python -m fc_network_adapter.fc_network_adapter.serialManager
python -m someotherpkg.src.example_takeoff_land
python -m someotherpkg.src.example_change_mode
+641
View File
@@ -0,0 +1,641 @@
from machine import UART
import time
import struct
import gc
# =========================================================
# ESP32 / MicroPython:UAV 端 XBee <-> Flight Controller Bridge
# Packet-size TDMA + DONE + SYSID / GCS address 自動學習版
#
# 本版已刪除「一般 DISC / 強制 DSCF」雙模式。
# 現在只保留一種 discovery 封包,名稱統一叫 DISC。
#
# 重要:
# - DISC 的功能等同於原本的 DSCF,也就是「強制 discovery」。
# - UAV 收到 DISC 後,只要已知 MY_SYSID 與 DEST_64,就會重新回 HELO。
# - 若收到 DISC 時 MY_SYSID 尚未學到,會設定 DISC_PENDING;
# 之後一旦從飛控 MAVLink 學到 SYSID,就自動補送 HELO。
#
# 封包格式:
# GCS -> UAV:
# DISC
# POLL + target_sysid(1) + grant_bytes(2)
#
# UAV -> GCS:
# HELO + sysid(1)
# DONE + sysid(1) + sent_len(2) + remain_len(2)
#
# 注意:
# - HELO 不帶 remain。
# - DONE 保留 remain。
# - MY_SYSID 不寫死,由飛控 MAVLink 自動學。
# - DEST_64 不寫死,由 GCS 封包的 XBee 0x90 src64 自動學。
# =========================================================
# ================= 設定區 =================
FC_BAUDRATE = 115200
XB_BAUDRATE = 115200
DEST_64 = None
MY_SYSID = None
SYSID_LEARN_CONFIRM_COUNT = 3
_sysid_candidate = None
_sysid_candidate_count = 0
# 若收到 DISC 時還沒學到 MY_SYSID,就先記住。
# 等之後從 FC MAVLink 學到 MY_SYSID 後,自動補送 HELO。
DISC_PENDING = False
XBEE_MAX_PAYLOAD = 100
# Discovery:只保留 DISC;功能等同原本 DSCF,收到後強制回 HELO。
DISC_MAGIC = b'DISC'
# UAV -> GCS hello:
# HELO + sysid(1)
HELLO_MAGIC = b'HELO'
HELLO_MIN_INTERVAL_MS = 1000
_last_hello_ms = 0
# 保留此變數只作狀態記錄;本版 DISC 會 force=True,所以不會被 HELLO_SENT 擋掉。
HELLO_SENT = False
POLL_MAGIC = b'POLL'
DEFAULT_GRANT_BYTES = 600
DONE_MAGIC = b'DONE'
MAX_BUF_SIZE = 6144
READ_FC_BYTES = 250
FC_UART_ID = 1
FC_TX_PIN = 32
FC_RX_PIN = 33
XB_UART_ID = 2
XB_TX_PIN = 25
XB_RX_PIN = 26
# =========================================
uart_fc = UART(FC_UART_ID, baudrate=FC_BAUDRATE, tx=FC_TX_PIN, rx=FC_RX_PIN, rxbuf=4096)
uart_xb = UART(XB_UART_ID, baudrate=XB_BAUDRATE, tx=XB_TX_PIN, rx=XB_RX_PIN, rxbuf=4096)
tx_buf = bytearray() # FC -> GCS 等待 TDMA poll 的 MAVLink stream
rx_buf = bytearray() # XBee API frame parser buffer
# =========================================================
# 基本工具函式
# =========================================================
def get_checksum(data):
return 0xFF - (sum(data) & 0xFF)
def is_valid_addr64(addr):
if addr is None:
return False
if len(addr) != 8:
return False
if addr == b'\x00\x00\x00\x00\x00\x00\x00\x00':
return False
return True
def learn_dest64_from_src64(src64):
"""
UAV 收到 GCS 的 XBee 0x90 frame 時,
0x90 裡面的 src64 就是 GCS / coordinator XBee 的 64-bit address。
"""
global DEST_64
global HELLO_SENT
global DISC_PENDING
if not is_valid_addr64(src64):
return False
src64 = bytes(src64)
if DEST_64 is None:
DEST_64 = src64
HELLO_SENT = False
return True
if DEST_64 != src64:
DEST_64 = src64
HELLO_SENT = False
DISC_PENDING = False
return True
return False
def build_api_tx_frame(payload):
"""
建立 XBee API frame type 0x10,把 payload 送到 DEST_64。
若 DEST_64 尚未學到,回傳 None。
"""
if DEST_64 is None:
return None
frame_content = bytearray()
frame_content.append(0x10)
frame_content.append(0x00)
frame_content.extend(DEST_64)
frame_content.extend(b'\xFF\xFE')
frame_content.append(0x00)
frame_content.append(0x00)
frame_content.extend(payload)
length = len(frame_content)
packet = bytearray()
packet.append(0x7E)
packet.append((length >> 8) & 0xFF)
packet.append(length & 0xFF)
packet.extend(frame_content)
packet.append(get_checksum(frame_content))
return packet
def send_to_xbee_chunked(payload):
"""
把 payload 依 XBEE_MAX_PAYLOAD 切成多個 XBee API TX frame 送出。
"""
if DEST_64 is None:
return False
total_len = len(payload)
sent_len = 0
while sent_len < total_len:
end_len = min(sent_len + XBEE_MAX_PAYLOAD, total_len)
chunk = payload[sent_len:end_len]
sent_len = end_len
pkt = build_api_tx_frame(chunk)
if pkt is None:
return False
uart_xb.write(pkt)
time.sleep_ms(1)
return True
# =========================================================
# HELO / DONE 回報
# =========================================================
def send_hello_report(force=False):
"""
UAV 回報自己存在:
HELO + MY_SYSID
本版 DISC 預設以 force=True 呼叫,因此每次收到 DISC 都會重新回 HELO。
"""
global _last_hello_ms
global HELLO_SENT
if MY_SYSID is None:
return False
if DEST_64 is None:
return False
if HELLO_SENT and not force:
return False
now = time.ticks_ms()
if not force:
if time.ticks_diff(now, _last_hello_ms) < HELLO_MIN_INTERVAL_MS:
return False
payload = HELLO_MAGIC + struct.pack('>B', MY_SYSID)
pkt = build_api_tx_frame(payload)
if pkt is None:
return False
uart_xb.write(pkt)
_last_hello_ms = now
HELLO_SENT = True
time.sleep_ms(1)
return True
def try_send_pending_hello():
"""
若先收到 DISC、後學到 MY_SYSID,這裡會自動補送 HELO。
"""
global DISC_PENDING
if DISC_PENDING and MY_SYSID is not None and DEST_64 is not None:
delay_ms = 20 + (((MY_SYSID * 37) + (time.ticks_ms() & 0xFF)) % 180)
time.sleep_ms(delay_ms)
if send_hello_report(force=True):
DISC_PENDING = False
def send_done_report(sent_len, remain_len):
"""
DONE payload:
b'DONE' + sysid(1) + sent_len(2) + remain_len(2)
"""
if MY_SYSID is None:
return False
if DEST_64 is None:
return False
if sent_len > 65535:
sent_len = 65535
if remain_len > 65535:
remain_len = 65535
payload = DONE_MAGIC + struct.pack('>BHH', MY_SYSID, sent_len, remain_len)
pkt = build_api_tx_frame(payload)
if pkt is None:
return False
uart_xb.write(pkt)
time.sleep_ms(1)
return True
# =========================================================
# MAVLink frame 解析與 MY_SYSID 自動學習
# =========================================================
def find_first_mavlink_magic(buf):
pos_fe = buf.find(b'\xFE')
pos_fd = buf.find(b'\xFD')
if pos_fe == -1:
return pos_fd
if pos_fd == -1:
return pos_fe
return pos_fe if pos_fe < pos_fd else pos_fd
def mavlink_frame_length(buf, start_idx):
if start_idx >= len(buf):
return None
magic = buf[start_idx]
if magic == 0xFE:
if len(buf) - start_idx < 2:
return None
payload_len = buf[start_idx + 1]
total_len = payload_len + 8
if len(buf) - start_idx < total_len:
return None
return total_len
if magic == 0xFD:
if len(buf) - start_idx < 3:
return None
payload_len = buf[start_idx + 1]
incompat_flags = buf[start_idx + 2]
signed = (incompat_flags & 0x01) != 0
total_len = payload_len + 12 + (13 if signed else 0)
if len(buf) - start_idx < total_len:
return None
return total_len
return None
def get_mavlink_sysid(buf, start_idx):
if start_idx >= len(buf):
return None
magic = buf[start_idx]
if magic == 0xFE:
if len(buf) - start_idx >= 6:
return buf[start_idx + 3]
if magic == 0xFD:
if len(buf) - start_idx >= 10:
return buf[start_idx + 5]
return None
def learn_my_sysid_from_tx_buf():
"""
從 FC -> ESP32 的 tx_buf 中找完整 MAVLink frame,
並自動學習飛控的 MAVLink SYSID。
若更改飛控 SYSID,建議重新上電 ESP32,讓 MY_SYSID 重新學習。
"""
global MY_SYSID
global _sysid_candidate
global _sysid_candidate_count
global HELLO_SENT
global tx_buf
if len(tx_buf) == 0:
return
idx = 0
checked = 0
while idx < len(tx_buf) and checked < 8:
sub = tx_buf[idx:]
rel_start = find_first_mavlink_magic(sub)
if rel_start == -1:
return
start = idx + rel_start
frame_len = mavlink_frame_length(tx_buf, start)
if frame_len is None:
return
sysid = get_mavlink_sysid(tx_buf, start)
if sysid is not None and sysid > 0:
if MY_SYSID is not None:
return
if _sysid_candidate == sysid:
_sysid_candidate_count += 1
else:
_sysid_candidate = sysid
_sysid_candidate_count = 1
if _sysid_candidate_count >= SYSID_LEARN_CONFIRM_COUNT:
MY_SYSID = _sysid_candidate
HELLO_SENT = False
return
idx = start + frame_len
checked += 1
# =========================================================
# tx_buf MAVLink frame 取出與裁切
# =========================================================
def pop_mavlink_frames_by_quota(quota_bytes):
global tx_buf
if quota_bytes <= 0 or len(tx_buf) == 0:
return b''
start = find_first_mavlink_magic(tx_buf)
if start == -1:
tx_buf = bytearray()
return b''
if start > 0:
tx_buf = tx_buf[start:]
out = bytearray()
while len(tx_buf) > 0:
if tx_buf[0] not in (0xFE, 0xFD):
start = find_first_mavlink_magic(tx_buf)
if start == -1:
tx_buf = bytearray()
break
tx_buf = tx_buf[start:]
frame_len = mavlink_frame_length(tx_buf, 0)
if frame_len is None:
break
if len(out) > 0 and (len(out) + frame_len) > quota_bytes:
break
if len(out) == 0 and frame_len > quota_bytes:
out.extend(tx_buf[:frame_len])
tx_buf = tx_buf[frame_len:]
break
out.extend(tx_buf[:frame_len])
tx_buf = tx_buf[frame_len:]
if len(out) >= quota_bytes:
break
return bytes(out)
def trim_tx_buffer_if_needed():
global tx_buf
if len(tx_buf) <= MAX_BUF_SIZE:
return
target_size = MAX_BUF_SIZE // 2
while len(tx_buf) > target_size:
start = find_first_mavlink_magic(tx_buf)
if start == -1:
tx_buf = bytearray()
return
if start > 0:
tx_buf = tx_buf[start:]
continue
frame_len = mavlink_frame_length(tx_buf, 0)
if frame_len is None:
if len(tx_buf) > target_size:
tx_buf = tx_buf[-target_size:]
return
tx_buf = tx_buf[frame_len:]
def flush_tx_buffer(grant_bytes):
global tx_buf
if MY_SYSID is None: # TODO 這個重複判斷了 應該刪 不要浪費效率
return
if DEST_64 is None:
return
if grant_bytes <= 0:
send_done_report(0, len(tx_buf))
return
data_to_send = pop_mavlink_frames_by_quota(grant_bytes)
sent_len = len(data_to_send)
if sent_len > 0:
send_to_xbee_chunked(data_to_send)
send_done_report(sent_len, len(tx_buf))
# =========================================================
# GCS control payload 解析
# =========================================================
def parse_poll_payload(real_data):
if not real_data.startswith(POLL_MAGIC):
return None, None
if len(real_data) == 5:
return real_data[4], DEFAULT_GRANT_BYTES
if len(real_data) == 7:
target_sysid = real_data[4]
grant_bytes = (real_data[5] << 8) | real_data[6]
return target_sysid, grant_bytes
return None, None
def is_discovery_payload(real_data):
return real_data.startswith(DISC_MAGIC)
# =========================================================
# XBee API RX parser
# =========================================================
def process_xbee_buffer():
global rx_buf
global DISC_PENDING
while True:
start_pos = rx_buf.find(b'\x7E')
if start_pos == -1:
rx_buf = bytearray()
return
if start_pos > 0:
rx_buf = rx_buf[start_pos:]
if len(rx_buf) < 3:
return
pkt_len = (rx_buf[1] << 8) | rx_buf[2]
total_len = pkt_len + 4
if pkt_len > 300:
rx_buf = rx_buf[1:]
continue
if len(rx_buf) < total_len:
return
packet = rx_buf[3:3 + pkt_len]
checksum_recv = rx_buf[3 + pkt_len]
if get_checksum(packet) == checksum_recv:
if len(packet) > 0 and packet[0] == 0x90:
# XBee Receive Packet 0x90:
# packet = 90 | src64(8) | src16(2) | options(1) | RF data
if len(packet) >= 12:
src64 = bytes(packet[1:9])
real_data = packet[12:]
# -------------------------------------------------
# DISC:本版唯一 discovery 封包。
# 功能等同原本 DSCF:收到後強制回 HELO。
# -------------------------------------------------
if is_discovery_payload(real_data):
learn_dest64_from_src64(src64)
learn_my_sysid_from_tx_buf() # TODO 加一個 if MY_SYSID is None
if MY_SYSID is not None and DEST_64 is not None:
delay_ms = 20 + ((MY_SYSID * 37) + (time.ticks_ms() & 0xFF)) % 180 # TODO 這邊會有多少秒延遲? 為啥是37? 不能21或者17? 20 ~ 199 210 / 30000
time.sleep_ms(delay_ms)
send_hello_report(force=True)
DISC_PENDING = False
else:
DISC_PENDING = True
# -------------------------------------------------
# 判斷是不是 POLL
# -------------------------------------------------
else: # TODO 這邊要用 elif 去判斷 POLL
target_sysid, grant_bytes = parse_poll_payload(real_data)
if target_sysid is not None:
learn_dest64_from_src64(src64)
learn_my_sysid_from_tx_buf()
try_send_pending_hello() # TODO 這邊三行怪怪的 GCS 下 poll 然後會回應 HELO 這個很怪 然後為何要每次重做上面兩行 拖效率
if MY_SYSID is not None and target_sysid == MY_SYSID:
flush_tx_buffer(grant_bytes)
else:
# 一般 GCS -> FC MAVLink 下行資料
if DEST_64 is None: # TODO 這個概念不對 隨便一個 poll 就把本來有做過 DISC 的權限搶走了 危險!!!
learn_dest64_from_src64(src64)
if DEST_64 is not None and src64 == DEST_64: # TODO 從 GCS 到 FC 的 mavlink 封包 切開不要跟 POLL 放在同一個判斷
uart_fc.write(real_data)
rx_buf = rx_buf[total_len:]
else:
rx_buf = rx_buf[1:]
# =========================================================
# 初始清理
# =========================================================
try:
gc.collect()
except Exception:
pass
# =========================================================
# 主迴圈
# =========================================================
while True:
try:
# -------------------------------------------------
# FC -> ESP32 tx buffer
# -------------------------------------------------
if uart_fc.any():
data = uart_fc.read(READ_FC_BYTES)
if data:
tx_buf.extend(data)
learn_my_sysid_from_tx_buf()
try_send_pending_hello()
trim_tx_buffer_if_needed()
# -------------------------------------------------
# XBee -> ESP32
# -------------------------------------------------
if uart_xb.any():
chunk = uart_xb.read()
if chunk:
rx_buf.extend(chunk)
process_xbee_buffer()
time.sleep_ms(1)
except MemoryError:
tx_buf = bytearray()
rx_buf = bytearray()
try:
gc.collect()
except Exception:
pass
time.sleep_ms(10)
except Exception:
time.sleep_ms(2)
+209
View File
@@ -0,0 +1,209 @@
# import socket
# def get_rtk2go_source_table():
# host = "rtk2go.com"
# port = 2101
#
# print(f"正在連線至 {host}:{port} 獲取掛載點列表...\n")
# ...
from __future__ import annotations
import socket
import base64
import time
# ── NMEA GGA(告訴 Caster「我在哪」,觸發 RTCM 推流)────────────────
def nmea_checksum(body: str) -> str:
"""body 不含 '$' 與 '*checksum',例如 'GPGGA,123519,...'"""
value = 0
for ch in body:
value ^= ord(ch)
return f"{value:02X}"
def decimal_to_nmea_dm(deg: float, *, is_latitude: bool) -> tuple[str, str]:
"""十進位度 → NMEA 的 (d)dmm.mmmm 與半球字元。"""
if is_latitude:
hemi = "N" if deg >= 0 else "S"
deg_width = 2
else:
hemi = "E" if deg >= 0 else "W"
deg_width = 3
deg = abs(deg)
d = int(deg)
m = (deg - d) * 60.0
return f"{d:0{deg_width}d}{m:07.4f}", hemi
def build_gga_sentence(lat_deg: float, lon_deg: float, alt_m: float = 100.0) -> bytes:
"""
組一筆 $GPGGA 句子(含 checksum),回傳 bytes 可直接 sock.sendall。
lat_deg / lon_deg:十進位經緯度(北、東為正)。
測試時請改成 mount 服務範圍內的近似位置;正式使用應來自 GNSS 真實定位。
"""
utc = time.gmtime()
t_str = f"{utc.tm_hour:02d}{utc.tm_min:02d}{utc.tm_sec:02d}.00"
lat_dm, ns = decimal_to_nmea_dm(lat_deg, is_latitude=True)
lon_dm, ew = decimal_to_nmea_dm(lon_deg, is_latitude=False)
# quality=1(GPS fix)、8 顆星、HDOP=1.0 僅供測試示意
body = (
f"GPGGA,{t_str},{lat_dm},{ns},{lon_dm},{ew},"
f"1,08,1.0,{alt_m:.1f},M,0.0,M,,"
)
sentence = f"${body}*{nmea_checksum(body)}\r\n"
return sentence.encode("ascii")
def send_gga(sock: socket.socket, lat_deg: float, lon_deg: float, alt_m: float = 100.0) -> str:
"""送出 GGA,回傳可讀句子供列印。"""
payload = build_gga_sentence(lat_deg, lon_deg, alt_m)
sock.sendall(payload)
return payload.decode("ascii").strip()
# ── NTRIP 連線 + RTCM 接收 ─────────────────────────────────────────
def get_rtcm_payload(
host,
port,
mountpoint,
user="",
password="",
target_ids=None,
*,
gga_lat=None,
gga_lon=None,
gga_alt_m=100.0,
gga_interval_sec=5.0,
filter_ids=True,
):
"""
連線 NTRIP caster 並解析 RTCM3。
gga_lat / gga_lon:若兩者皆有設定,握手成功後會週期送出 GGA(許多 Caster 如 SNIP 至少需一次)。
gga_interval_sec:GGA 重送間隔(秒)。
filter_ids:True 時只印 target_ids 內的 message;False 印全部(方便學習觀察)。
"""
if target_ids is None:
target_ids = []
need_gga = gga_lat is not None and gga_lon is not None
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(10)
try:
sock.connect((host, port))
auth = base64.b64encode(f"{user}:{password}".encode()).decode()
request = f"GET /{mountpoint} HTTP/1.0\r\n"
request += "User-Agent: NTRIP PythonClient\r\n"
request += f"Authorization: Basic {auth}\r\n"
request += "Connection: close\r\n\r\n"
sock.sendall(request.encode())
response = sock.recv(4096)
if b"ICY 200 OK" not in response:
print(f"連線失敗: {response.decode(errors='ignore')}")
return
print(f"已成功連接至 {mountpoint}")
if need_gga:
print(
f"GGA 模式:每 {gga_interval_sec}s 回報位置 "
f"({gga_lat:.6f}, {gga_lon:.6f}),觸發 Caster 推流"
)
else:
print("未設定 GGA(部分 Caster 如 RTK2GO 仍可推流;SNIP/區域站常需 GGA)")
print(f"RTCM 過濾目標: {target_ids if filter_ids else '(關閉,顯示全部)'}\n")
last_gga_time = 0.0
buffer = b""
while True:
now = time.time()
if need_gga and (now - last_gga_time >= gga_interval_sec):
line = send_gga(sock, gga_lat, gga_lon, gga_alt_m)
print(f"[GGA] {line}")
last_gga_time = now
try:
chunk = sock.recv(4096)
except socket.timeout:
continue
if not chunk:
print("Caster 關閉連線")
break
buffer += chunk
while len(buffer) >= 3:
if buffer[0] != 0xD3:
buffer = buffer[1:]
continue
length = ((buffer[1] & 0x03) << 8) | buffer[2]
total_len = length + 6
if len(buffer) < total_len:
break
packet = buffer[:total_len]
buffer = buffer[total_len:]
msg_id = (packet[3] << 4) | (packet[4] >> 4)
if not filter_ids or str(msg_id) in target_ids:
print(f"Found ID: {msg_id} | Length: {total_len} bytes")
except KeyboardInterrupt:
print("\n使用者中斷")
except Exception as e:
print(f"發生錯誤: {e}")
finally:
sock.close()
if __name__ == "__main__":
TARGET_LIST = ["1007", "1230", "1074"]
# ── Case 1:RTK2GO(通常可不送 GGA)────────────────────────────
# USER = "chiyu1468@hotmail.com"
# HOST = "rtk2go.com"
# PORT = 2101
# MOUNT = "No1bio_02"
# get_rtcm_payload(
# HOST, PORT, MOUNT,
# user=USER,
# target_ids=TARGET_LIST,
# filter_ids=False,
# )
# ── Case 2:區域 Caster(需 GGA,座標請改成服務區內近似點)──────
USER = "uavlab6061"
PW = "iamsupersmart"
HOST = "210.241.63.193"
PORT = 81
MOUNT = "2020_GNSS"
# 十進位度;請依 SNIP / 基準站服務範圍調
GGA_LAT = 24.155792000
GGA_LON = 120.630679000
get_rtcm_payload(
HOST,
PORT,
MOUNT,
user=USER,
password=PW,
target_ids=TARGET_LIST,
gga_lat=GGA_LAT,
gga_lon=GGA_LON,
gga_alt_m=100.0,
gga_interval_sec=30.0,
filter_ids=False,
)
+33
View File
@@ -0,0 +1,33 @@
import timeit
# 建立 1000 個元素的字典,避免單一 Key 的特殊雜湊值干擾
d_int = {i: True for i in range(1000)}
d_bytes = {f"k_{i:06d}".encode(): True for i in range(1000)}
# 正確命中中間的值
target_int = 500
target_bytes_same = f"k_{500:06d}".encode()
# 將變數傳入 timeit 的全域環境
setup_env = lambda: None
globals_dict = {
'd_int': d_int,
'd_bytes': d_bytes,
'target_int': target_int,
'target_bytes_same': target_bytes_same
}
# 1. int 查詢
t_int = timeit.timeit("d_int.get(target_int)", globals=globals_dict, number=50000000)
# 2. bytes 查詢 (同物件:直接傳入現成變數)
t_bytes_same = timeit.timeit("d_bytes.get(target_bytes_same)", globals=globals_dict, number=50000000)
# 3. bytes 查詢 (真・新物件:每次都在查詢時動態切片生成新物件,強迫重新計算 Hash)
globals_dict['dynamic_source'] = f"k_{500:06d}".encode() + b"dummy"
t_bytes_new = timeit.timeit("d_bytes.get(dynamic_source[:8])", globals=globals_dict, number=50000000)
print(f"修正後測試結果 (50,000,000 次):")
print(f"int 查詢 : {t_int:.4f} 秒 (1.0x)")
print(f"bytes 查詢 (同物件): {t_bytes_same:.4f} 秒 (約 {t_bytes_same/t_int:.2f}x)")
print(f"bytes 查詢 (新物件): {t_bytes_new:.4f} 秒 (約 {t_bytes_new/t_int:.2f}x)")
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