imonlinux
9811328182
This is to support my personal use cases of HAL-9000 and Marvin voice assistants.
131 lines
4.3 KiB
Python
131 lines
4.3 KiB
Python
import asyncio
|
|
import logging
|
|
from typing import Any, Tuple
|
|
|
|
import board
|
|
import adafruit_dotstar
|
|
|
|
from .event_bus import EventHandler, subscribe
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
# Constants for ReSpeaker 2-Mic Hat
|
|
NUM_LEDS = 3
|
|
_OFF = (0, 0, 0)
|
|
_BLUE = (0, 0, 255)
|
|
_YELLOW = (255, 255, 0)
|
|
_GREEN = (0, 255, 0)
|
|
|
|
|
|
class LedController(EventHandler):
|
|
def __init__(
|
|
self,
|
|
state,
|
|
interface: str = "spi",
|
|
clock_pin: int = 13,
|
|
data_pin: int = 12,
|
|
):
|
|
super().__init__(state)
|
|
self.loop = state.loop
|
|
self.current_task = None
|
|
self._is_ready = False
|
|
|
|
try:
|
|
if interface == "gpio":
|
|
_LOGGER.debug(f"Initializing LEDs on GPIO data={data_pin}, clock={clock_pin}")
|
|
# Dynamically get GPIO pin objects from the board library
|
|
data_pin_obj = getattr(board, f"D{data_pin}")
|
|
clock_pin_obj = getattr(board, f"D{clock_pin}")
|
|
self.leds = adafruit_dotstar.DotStar(
|
|
clock_pin_obj, data_pin_obj, NUM_LEDS, brightness=0.5, auto_write=False
|
|
)
|
|
else: # Default to SPI
|
|
_LOGGER.debug("Initializing LEDs on hardware SPI")
|
|
self.leds = adafruit_dotstar.DotStar(
|
|
board.SCLK, board.MOSI, NUM_LEDS, brightness=0.5, auto_write=False
|
|
)
|
|
|
|
self._is_ready = True
|
|
_LOGGER.info(f"LED Controller initialized using {interface} interface.")
|
|
# Signal that the system is ready
|
|
self.run_action("blink", _GREEN, 2)
|
|
|
|
except Exception:
|
|
_LOGGER.exception("Failed to initialize LED controller. LEDs will be disabled.")
|
|
|
|
def run_action(self, action_method_name: str, *args: Any) -> None:
|
|
if not self._is_ready:
|
|
return
|
|
if self.current_task and not self.current_task.done():
|
|
self.current_task.cancel()
|
|
|
|
coro = getattr(self, action_method_name)(*args)
|
|
self.current_task = asyncio.run_coroutine_threadsafe(coro, self.loop)
|
|
|
|
async def color(self, rgb: Tuple[int, int, int]):
|
|
if not self._is_ready:
|
|
return
|
|
self.leds.fill(rgb)
|
|
self.leds.show()
|
|
|
|
async def blink(self, color, count=3):
|
|
for _ in range(count):
|
|
await self.color(color)
|
|
await asyncio.sleep(0.2)
|
|
await self.color(_OFF)
|
|
await asyncio.sleep(0.2)
|
|
|
|
async def pulse(self, color: Tuple[int, int, int], speed: float = 0.015):
|
|
try:
|
|
r, g, b = color
|
|
while True:
|
|
# Fade in
|
|
for i in range(0, 101, 5):
|
|
brightness = i / 100.0
|
|
await self.color((int(r * brightness), int(g * brightness), int(b * brightness)))
|
|
await asyncio.sleep(speed)
|
|
# Fade out
|
|
for i in range(100, -1, -5):
|
|
brightness = i / 100.0
|
|
await self.color((int(r * brightness), int(g * brightness), int(b * brightness)))
|
|
await asyncio.sleep(speed)
|
|
except asyncio.CancelledError:
|
|
await self.color(_OFF)
|
|
|
|
# --- THIS IS THE NEWLY ADDED METHOD ---
|
|
@subscribe
|
|
def ha_connected(self, data: dict):
|
|
_LOGGER.debug("HA Connected, setting idle LED state.")
|
|
self.voice_run_end(data)
|
|
|
|
@subscribe
|
|
def voice_wakeword(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_wakeword")
|
|
self.run_action("pulse", _BLUE)
|
|
|
|
@subscribe
|
|
def voice_stt_start(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_stt_start (listening)")
|
|
self.run_action("pulse", _BLUE)
|
|
|
|
@subscribe
|
|
def voice_vad_start(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_vad_start (user speaking)")
|
|
# Do nothing, allow the blue pulse to continue
|
|
pass
|
|
|
|
@subscribe
|
|
def voice_stt_end(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_stt_end (processing)")
|
|
self.run_action("pulse", _YELLOW)
|
|
|
|
@subscribe
|
|
def voice_tts_start(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_tts_start (assistant speaking)")
|
|
self.run_action("pulse", _GREEN)
|
|
|
|
@subscribe
|
|
def voice_run_end(self, data: dict):
|
|
_LOGGER.debug("LED Event: voice_run_end")
|
|
self.run_action("color", _OFF)
|