wave8_convert_byte_to_wave8byte()

FASTLED_FORCE_INLINE FL_IRAM FL_OPTIMIZE_FUNCTION void fl::detail::wave8_convert_byte_to_wave8byte	(	u8	byte_value,
		const Wave8BitExpansionLut &	lut,
		Wave8Byte *	output )

Helper: Convert byte to Wave8Byte using nibble LUT (internal use only)

Note

Inline implementation for ISR performance

Definition at line 47 of file wave8.hpp.

                                                         {
    // ISR-optimized copy: Copy high nibble (4 bytes = 1 x uint32_t)
    const Wave8Bit *high_nibble_data = lut.lut[(byte_value >> 4) & 0xF];
    isr::memcpy_32(fl::bit_cast_ptr<u32>(&output->symbols[0]),
                  fl::bit_cast_ptr<const u32>(high_nibble_data),
                  1); // 4 bytes = 1 x uint32_t
 
    // ISR-optimized copy: Copy low nibble (4 bytes = 1 x uint32_t)
    const Wave8Bit *low_nibble_data = lut.lut[byte_value & 0xF];
    isr::memcpy_32(fl::bit_cast_ptr<u32>(&output->symbols[4]),
                  fl::bit_cast_ptr<const u32>(low_nibble_data),
                  1); // 4 bytes = 1 x uint32_t
}

References fl::bit_cast_ptr(), and fl::isr::memcpy_32().

Referenced by fl::wave8(), fl::wave8Transpose_16(), fl::wave8Transpose_2(), fl::wave8Transpose_4(), and fl::wave8Transpose_8().

Here is the call graph for this function:

Here is the caller graph for this function: