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F�Kd��@sFdZddlmZddlZddlZGdd�de�ZGdd�dej�ZdS)z�The settings for RS485 are stored in a dedicated object that can be applied to
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rcsFeZdZdZ�fdd�Z�fdd�Zedd��Zejdd��Z�Z	S)	�RS485a5    A subclass that replaces the write method with one that toggles RTS
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          unreliable (varying times, larger than expected) as the OS may not
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    NOTE: Some implementations support this natively. Better performance
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