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fbca191bae
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feat(firmware): WS2812B NeoPixel LED status indicator driver (Issue #193)
Implements TIM3_CH1 PWM driver for 8-LED NeoPixel ring with:
- 6 state-based animations: boot (blue chase), armed (solid green),
error (red blink), low battery (yellow pulse), charging (green breathe),
e_stop (red strobe)
- Non-blocking via 1 ms tick callback
- GRB byte order encoding (WS2812B standard)
- PWM duty values for "0" (~40%) and "1" (~56%) bit encoding
- 10 unit tests covering state transitions, animations, color encoding
Driver integrated into main.c initialization and main loop tick.
Includes buzzer driver (Issue #189) integration.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
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2026-03-02 11:06:13 -05:00 |
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