Chuck f6e9c7688d fix(pi5): correct gpio_slowdown guidance — Pi 5 PIO default is 1, not 4-5 ...

The upstream library defaults gpio_slowdown to 1 for Pi 5 (IsPi4() ? 2 : 1).
In PIO mode the value is a pixel-clock divisor, so 4-5 was unnecessarily
conservative advice. Updated help text and error log to reflect the actual
range (1-3 typical for Pi 5 PIO; inverted effect in RIO mode).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-05-18 17:36:28 -04:00

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