calculateBytes()

template<int DATA_PIN, fl::u8 CLOCK_PIN, EOrder RGB_ORDER = RGB, fl::u32 SPI_SPEED = DATA_RATE_MHZ(12)>

static constexpr size_t LPD8806Controller< DATA_PIN, CLOCK_PIN, RGB_ORDER, SPI_SPEED >::calculateBytes ( size_t num_leds )

inlinestaticconstexpr

Calculate total byte count for LPD8806 protocol Used for quad-SPI buffer pre-allocation.

Parameters

num_leds

Number of LEDs in the strip

Returns

Total bytes needed (RGB data + latch bytes)

Definition at line 86 of file lpd880x.h.

                                                            {
        // LPD8806 protocol:
        // - LED data: 3 bytes per LED (GRB with high bit set)
        // - Latch: ((num_leds * 3 + 63) / 64) bytes of 0x00
        return (num_leds * 3) + ((num_leds * 3 + 63) / 64);
    }