Yukihiro "Matz" Matsumoto 909f5a070f hw-adc: add ADC peripheral gem for embedded platforms ...

Add hw-adc gem with analog-to-digital conversion support:
- Common Ruby API with read, read_raw, and read_voltage
- ports/esp32/ using ESP-IDF ADC oneshot driver
- ports/rp2040/ using Pico SDK ADC hardware

Based on picoruby-adc by HASUMI Hitoshi.

Co-authored-by: Claude <noreply@anthropic.com>

2026-04-23 19:25:38 +09:00

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adc.c

hw-adc: add ADC peripheral gem for embedded platforms

2026-04-23 19:25:38 +09:00