TransportModem: raise TransportIOError exception on I/O error
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10
transport.py
10
transport.py
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@ -23,6 +23,10 @@ import serial
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import abc
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class TransportIOError(Exception):
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''' I/O error during read/write operation '''
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class Transport(abc.ABC):
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''' Abstract transport layer for DebugMux '''
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@ -70,11 +74,17 @@ class TransportModem(Transport):
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def write(self, data: bytes) -> int:
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''' Write the given data bytes '''
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try:
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return self._sl.write(data)
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except Exception as e:
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raise TransportIOError('Failed to write() data') from e
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def read(self, length: int = 0) -> bytes:
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''' Read the given number of bytes '''
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try:
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return self._sl.read(length)
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except Exception as e:
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raise TransportIOError('Failed to read() data') from e
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def send_at_cmd(self, cmd: str, handle_echo: bool = True) -> None:
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''' Send an AT command to the modem '''
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