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from libAnt.constants import * |
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class Message: |
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def __init__(self, type: int, content: bytearray): |
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self._type = type |
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self._content = content |
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def __len__(self): |
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return len(self._content) |
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def __iter__(self): |
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return self._content |
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def __str__(self): |
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return '({:02X}): '.format(self._type) + ' '.join('{:02X}'.format(x) for x in self._content) |
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def checksum(self) -> int: |
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chk = MESSAGE_TX_SYNC ^ len(self) ^ self._type |
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for b in self._content: |
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chk ^= b |
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return chk |
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def encode(self) -> bytearray: |
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b = bytearray() |
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b.append(MESSAGE_TX_SYNC) |
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b.append(len(self)) |
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b.append(self._type) |
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b.extend(self._content) |
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b.append(self.checksum()) |
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return b |
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@property |
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def type(self) -> int: |
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return self._type |
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@property |
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def content(self) -> bytearray: |
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return self._content |
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class SystemResetMessage(Message): |
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def __init__(self): |
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super().__init__(MESSAGE_SYSTEM_RESET, bytearray(1)) |
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class SetNetworkKeyMessage(Message): |
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def __init__(self, channel: int, key: bytes): |
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content = bytearray() |
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content.append(channel) |
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content.extend(key) |
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super().__init__(MESSAGE_NETWORK_KEY, content) |
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class AssignChannelMessage(Message): |
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def __init__(self, channel: int, type: int, network: int = 0, extended: int = None): |
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content = bytearray() |
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content.append(channel) |
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content.append(type) |
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content.append(network) |
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if extended is not None: |
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content.append(extended) |
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super().__init__(MESSAGE_CHANNEL_ASSIGN, content) |
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class SetChannelIdMessage(Message): |
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def __init__(self, channel: int, deviceNumber: int = 0, deviceType: int = 0, transType: int = 0): |
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content = bytearray() |
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content.append(channel) |
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content.extend(deviceNumber.to_bytes(2, byteorder='big')) |
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content.append(deviceType) |
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content.append(transType) |
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super().__init__(MESSAGE_CHANNEL_ID, content) |
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class SetChannelRfFrequencyMessage(Message): |
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def __init__(self, channel: int, frequency: int = 2457): |
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content = bytearray() |
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content.append(channel) |
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content.append(frequency - 2400) |
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super().__init__(MESSAGE_CHANNEL_FREQUENCY, content) |
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class OpenRxScanModeMessage(Message): |
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def __init__(self): |
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super().__init__(OPEN_RX_SCAN_MODE, bytearray(1)) |
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class EnableExtendedMessagesMessage(Message): |
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def __init__(self, enable: bool = True): |
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content = bytearray() |
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content.append(0x00) |
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content.append(int(enable)) |
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super().__init__(MESSAGE_ENABLE_EXT_RX_MESSAGES, content) |