Flush recv_buffer before each transaction write. #2581
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This was referenced Feb 21, 2025
janiversen
requested changes
Feb 22, 2025
pymodbus/transaction/transaction.py
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| @@ -152,6 +152,7 @@ async def execute(self, no_response_expected: bool, request: ModbusPDU) -> Modbu | |||
| ) | |||
| return response | |||
| except asyncio.exceptions.TimeoutError: | |||
| self.recv_buffer = b"" | |||
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This is the wrong place, since it can cause conflicts with the active callback.
It would be better placed in line 140, which is before the callback is active.
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Ah, yeah I guess purging the buffer before doing the write makes more sense.
Ensure we don't have any non-relevant data in the buffer.
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janiversen
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Ensure we don't have any non-relevant data in the buffer.
Haven't tested yet but I think this is the expected behavior based on this comment.