calculateBytes()

template<fl::u8 DATA_PIN, fl::u8 CLOCK_PIN, EOrder RGB_ORDER = RGB, fl::u32 SPI_SPEED = DATA_RATE_MHZ(6), fl::FiveBitGammaCorrectionMode GAMMA_CORRECTION_MODE = fl::FiveBitGammaCorrectionMode::kFiveBitGammaCorrectionMode_Null, fl::u32 START_FRAME = 0x00000000, fl::u32 END_FRAME = 0xFFFFFFFF>

static constexpr size_t APA102Controller< DATA_PIN, CLOCK_PIN, RGB_ORDER, SPI_SPEED, GAMMA_CORRECTION_MODE, START_FRAME, END_FRAME >::calculateBytes ( size_t num_leds )

inlinestaticconstexpr

Calculate total byte count for APA102 protocol Used for quad-SPI buffer pre-allocation.

Parameters

num_leds

Number of LEDs in the strip

Returns

Total bytes needed (start frame + LED data + end frame)

Definition at line 271 of file apa102.h.

                                                                         {
        // APA102 protocol:
        // - Start frame: 4 bytes (0x00000000)
        // - LED data: 4 bytes per LED (brightness + RGB)
        // - End frame: (num_leds / 32) + 1 DWords = 4 * ((num_leds / 32) + 1) bytes
        return 4 + (num_leds * 4) + (4 * ((num_leds / 32) + 1));
    }

References FL_NO_EXCEPT.