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""" |
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* PyDMXControl: A Python 3 module to control DMX using OpenDMX or uDMX. |
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* Featuring fixture profiles, built-in effects and a web control panel. |
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* <https://github.com/MattIPv4/PyDMXControl/> |
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* Copyright (C) 2022 Matt Cowley (MattIPv4) ([email protected]) |
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""" |
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from typing import List |
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from pyudmx import pyudmx |
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from ._TransmittingController import TransmittingController |
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class uDMXController(TransmittingController): |
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def __init__(self, *args, **kwargs): |
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# Device information |
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self.__udmx_vendor_id = kwargs.pop("udmx_vendor_id", 0x16c0) |
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self.__udmx_product_id = kwargs.pop("udmx_product_id", 0x5dc) |
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self.__udmx_bus = kwargs.pop("udmx_bus", None) |
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self.__udmx_address = kwargs.pop("udmx_address", None) |
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# Store the device |
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self.__udmx = None |
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# Create the parent controller |
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super().__init__(*args, **kwargs) |
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def _connect(self): |
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# Try to close if exists |
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if self.__udmx is not None: |
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try: |
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self.__udmx.close() |
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except Exception: |
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pass |
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# Get new device |
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self.__udmx = pyudmx.uDMXDevice() |
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self.__udmx.open(self.__udmx_vendor_id, self.__udmx_product_id, self.__udmx_bus, self.__udmx_address) |
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def _close(self): |
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self.__udmx.close() |
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print("CLOSE: uDMX closed") |
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def _transmit(self, frame: List[int], first: int): |
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# Attempt to send data max 5 times, then 2 more with reconnect to device |
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# Thanks to Dave Hocker (pyudmx author) for giving me this solution to the random usb errors |
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success = False |
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retry_count = 0 |
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while not success: |
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try: |
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if retry_count > 5: |
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self._connect() |
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self.__udmx.send_multi_value(first, frame) |
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success = True |
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except Exception as e: |
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retry_count += 1 |
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if retry_count > 7: |
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raise e |
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MattIPv4 /
PyDMXControl
