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038e152bbc
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59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
"""Build control payloads without exposing packet layout to the GUI.
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Framing and sequence numbers belong to Session. These helpers describe user
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actions and return payloads only; they do not connect or send anything.
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"""
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from controller.protocol import EQ, LIGHTS
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SOURCES = {"Bluetooth": 1, "USB 1": 2, "USB 2": 3, "AUX 1": 4, "AUX 2": 5}
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KEYS = {"volume_up": 15, "volume_down": 16, "play_pause": 17, "mute": 20}
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def set_eq(preset):
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if preset not in EQ.values():
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raise ValueError("Unknown EQ preset")
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return bytes((0x40, 3, 0, preset, 0))
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def set_bass(enabled):
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# Samsung's bass flag is inverted: 0 means on, 1 means off.
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return bytes((0x40, 4, 0, 0 if enabled else 1, 0))
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def set_lighting(mode):
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if mode not in LIGHTS.values():
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raise ValueError("Unknown lighting mode")
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return bytes((0x50, 3, mode))
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def set_source(source):
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if source not in SOURCES.values():
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raise ValueError("Unknown source")
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return bytes((0x30, source))
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def set_rgb(red, green, blue):
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if any(type(value) is not int or not 0 <= value <= 255 for value in (red, green, blue)):
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raise ValueError("RGB values must be integers between 0 and 255")
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return bytes((0x60, 2, red, green, blue))
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def remote_key(action):
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try:
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return bytes((0x70, KEYS[action]))
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except KeyError as exc:
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raise ValueError("Unknown remote action") from exc
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def lighting_status():
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return b"\x52\x03"
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def status_queries():
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return b"\x42\x03", lighting_status()
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def initial_queries():
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return b"\x32", b"\x42\x03"
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