Function reg32

src/platforms/arm/lpc/clockless_arm_lpc_plu.h:129–131

Volatile access helpers. C-style cast is the canonical embedded-register access pattern (compare ARM_DEMCR / ARM_DWT_CTRL in clockless_arm_giga.h); the FastLED reinterpret_cast linter explicitly allows C-style casts for MMIO addresses.

// the FastLED reinterpret_cast linter explicitly allows C-style casts for
// MMIO addresses.
static inline volatile fl::u32* reg32(fl::u32 base, fl::u32 off) FL_NOEXCEPT {
    return (volatile fl::u32*)(base + off);  // MMIO register address
}

// LUTn_TRUTH[n] write helper.
static inline void writeLutTruth(fl::u8 lut, fl::u32 truth_table) FL_NOEXCEPT {