061edfcf6a
- pyproject.toml with FastAPI, uvicorn, Pydantic v2, aiofiles, structlog deps - DeviceConfig Pydantic model with StripType, UUID, validation constraints - ShowModel with AudioRef, TrackModel, CueModel, AnalysisBlock, schema_version=1 - BaseDevice ABC with encode_frame, encode_animation_cmd, bytes_per_pixel - SK6812Device (4 bytes/pixel) and WS2801Device (3 bytes/pixel) implementations
29 lines
947 B
Python
29 lines
947 B
Python
from lightsync.devices.base import BaseDevice
|
|
from lightsync.models.device import DeviceConfig
|
|
|
|
|
|
class SK6812Device(BaseDevice):
|
|
"""SK6812 RGBW LED strip — 4 bytes per pixel (R, G, B, W)."""
|
|
|
|
def __init__(self, config: DeviceConfig):
|
|
super().__init__(config)
|
|
|
|
@property
|
|
def bytes_per_pixel(self) -> int:
|
|
return 4
|
|
|
|
def encode_frame(self, pixels: list[tuple]) -> bytes:
|
|
"""Encode pixel list to SK6812 frame bytes.
|
|
Each pixel: (r, g, b, w) tuple — 4 bytes per LED.
|
|
"""
|
|
buf = bytearray()
|
|
for pixel in pixels:
|
|
r, g, b = pixel[0], pixel[1], pixel[2]
|
|
w = pixel[3] if len(pixel) > 3 else 0
|
|
buf.extend([r & 0xFF, g & 0xFF, b & 0xFF, w & 0xFF])
|
|
return bytes(buf)
|
|
|
|
def encode_animation_cmd(self, animation: str, params: dict) -> bytes:
|
|
"""Stub — Phase 3 implements real animation command encoding."""
|
|
return b""
|