Sometimes when I try tic.get_current_position() I get TypeError: object of type 'NoneType' has no len()

jphalip / ticlib

Python library to drive Pololu Tic stepper motor controllers

BSD 2-Clause "Simplified" License

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Sometimes when I try tic.get_current_position() I get TypeError: object of type 'NoneType' has no len() #5

Open dragospascale opened 2 years ago

dragospascale commented 2 years ago

This happens in ticlib/ticlib.py", line 545, in _block_read because at line 543 result = self._read_response(length) does not return an object Maybe treat the error and retry to call again _block_read I'm using micropython on ESP32 Sending commands over UART is working but getting position or variables sometimes return values sometimes not