adebaumann/arduino_gauge_controller
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Interrupt issue with FastLed circumvented

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Adrian A. Baumann
2026-04-15 22:46:39 +02:00
parent f7f7b389a0
commit 2282038391
2 changed files with 56 additions and 39 deletions
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16
gauge.py
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@@ -224,12 +224,15 @@ def set_status_led(gauge_idx, led_type, on):
def _apply_blink_or_led(gauge_idx, led_idx, color, effect):
"""Set LED to color; if effect is a known blink preset, start blinking."""
"""Set LED to color, optionally starting a blink effect.
When blinking, color is passed inside the BLINK command so only one
serial command is needed — avoids a FastLED.show() race on the Arduino."""
r, g, b = color
arduino_send(f"LED {gauge_idx} {led_idx} {r} {g} {b}")
if effect in _BLINK_PRESETS:
on_ms, off_ms = _BLINK_PRESETS[effect]
arduino_send(f"BLINK {gauge_idx} {led_idx} {on_ms} {off_ms}")
arduino_send(f"BLINK {gauge_idx} {led_idx} {on_ms} {off_ms} {r} {g} {b}")
else:
arduino_send(f"LED {gauge_idx} {led_idx} {r} {g} {b}")
# ---------------------------------------------------------------------------
@@ -553,12 +556,13 @@ def on_message(topic, payload):
return
_bl_effect[i] = effect
if effect:
set_backlight(i, r, g, b, brightness)
scale = brightness / 100
rs = int(r * scale); gs = int(g * scale); bs_ = int(b * scale)
on_ms, off_ms = _BLINK_PRESETS[effect]
arduino_send(f"BLINK {i} {_LED_BACKLIGHT_RANGE} {on_ms} {off_ms} {rs} {gs} {bs_}")
backlight_color[i] = (r, g, b)
backlight_brightness[i] = brightness
backlight_on[i] = True
on_ms, off_ms = _BLINK_PRESETS[effect]
arduino_send(f"BLINK {i} {_LED_BACKLIGHT_RANGE} {on_ms} {off_ms}")
_mark_bl_dirty()
else:
set_backlight_color(i, r, g, b, brightness)