calculateBytes()

template<int DATA_PIN, fl::u8 CLOCK_PIN, EOrder RGB_ORDER = RGB, fl::u32 SPI_SPEED = DATA_RATE_MHZ(10)>

static constexpr size_t P9813Controller< DATA_PIN, CLOCK_PIN, RGB_ORDER, SPI_SPEED >::calculateBytes ( size_t num_leds )

inlinestaticconstexpr

Calculate total byte count for P9813 protocol Used for quad-SPI buffer pre-allocation.

Parameters

num_leds

Number of LEDs in the strip

Returns

Total bytes needed (boundaries + LED data)

Definition at line 89 of file p9813.h.

                                                            {
        // P9813 protocol:
        // - Start boundary: 4 bytes (0x00000000)
        // - LED data: 4 bytes per LED (flag byte + BGR)
        // - End boundary: 4 bytes (0x00000000)
        return 4 + (num_leds * 4) + 4;
    }