flexPwmTickDeltaNs()

u32 fl::channels::rx::flexPwmTickDeltaNs ( u16 t0, u16 t1, u32 ns_per_tick_q16 )

inline

Convert a 16-bit capture-counter delta to ns.

Unsigned 16-bit subtraction handles a counter wrap inside the pulse. ns_per_tick_q16 is (1e9 / counter_hz) in Q16.16.

Definition at line 89 of file ws2812_stream_decoder.h.

                                                                                {
    const u16 delta = static_cast<u16>(t1 - t0);
    return static_cast<u32>((static_cast<u64>(delta) * ns_per_tick_q16) >> 16);
}

References fl::FL_NO_EXCEPT.

Referenced by fl::channels::rx::Ws2812StreamDecoder::emitPair(), fl::channels::rx::Ws2812StreamDecoder::flush(), and fl::channels::rx::Ws2812StreamDecoder::push().

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