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31 lines
853 B
31 lines
853 B
4 years ago
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# espnow module for MicroPython on ESP32
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# MIT license; Copyright (c) 2022 Glenn Moloney @glenn20
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from _espnow import *
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class ESPNow(ESPNowBase):
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# Static buffers for alloc free receipt of messages with ESPNow.irecv().
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_data = [None, bytearray(MAX_DATA_LEN)]
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_none_tuple = (None, None)
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def __init__(self):
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super().__init__()
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def irecv(self, timeout_ms=None):
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n = self.recvinto(self._data, timeout_ms)
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return self._data if n else self._none_tuple
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def recv(self, timeout_ms=None):
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n = self.recvinto(self._data, timeout_ms)
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return [bytes(x) for x in self._data] if n else self._none_tuple
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def irq(self, callback):
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super().irq(callback, self)
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def __iter__(self):
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return self
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def __next__(self):
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return self.irecv() # Use alloc free irecv() method
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