Commit Graph

2 Commits

Author SHA1 Message Date
Kevin Thomas a778d7fd3a fix: correct 14.5 MHz to 12 MHz across all CBM projects
- Update all docstrings from 14.5 MHz to 12 MHz XOSC (29 files)
- Fix 0x05_servo_cbm divider: INT=14/FRAC=8 (14.5) -> INT=12/FRAC=0 (12)
- Verified against RP2350 datasheet, Pico 2 board schematic, and SDK
2026-04-05 18:19:43 -04:00
Kevin Thomas afdc1fa594 Add 0x03_button_cbm: bare-metal RP2350 button driver
- GPIO15 active-low button input with internal pull-up
- 20ms software debounce via busy-wait confirmation
- LED mirrors button state, UART reports edge transitions
- New gpio_config_input_pullup() in GPIO driver
- 1555B FLASH, 13 source files, zero warnings
2026-04-05 16:06:46 -04:00