6a419eb3b6
Second protocol family (8089:000b) behind a new backend seam, 15 key and 3 knob pads, Knobs North plus the style and colour grid, Windows import fix, window resize fix.
35 lines
999 B
Python
35 lines
999 B
Python
"""
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One device family per backend.
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Everything above this line works in terms of a Layout and a set of control
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ids and doesn't care what the hardware speaks. Everything below it is one
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pad family's protocol. Adding a family means writing the six methods in
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base.py and listing the class here.
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"""
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from .ch57x import CH57x
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from .sayo import Sayo
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REGISTRY = (CH57x(), Sayo()) # tried in order; first to claim a device wins
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DEFAULT = REGISTRY[0]
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def for_vid_pid(vid, pid):
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for backend in REGISTRY:
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if backend.claims(str(vid).lower(), str(pid).lower()):
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return backend
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return None
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def for_device(device):
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# Falls back rather than returning None, so callers that only ever see
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# one family stay simple. Use for_vid_pid when "nobody owns this" is an
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# answer you need to act on.
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if device is None:
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return DEFAULT
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return for_vid_pid(device.vid, device.pid) or DEFAULT
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def known_ids():
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return [(b.vid, b.pids, b.name) for b in REGISTRY]
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