Method writeByte

src/fastspi_nop.h:54–54

write a byte out via SPI (returns immediately on writing register)

	/// write a byte out via SPI (returns immediately on writing register)
	void writeByte(fl::u8 b) { /* TODO */ }
	/// write a word out via SPI (returns immediately on writing register)
	void writeWord(fl::u16 w) { /* TODO */ }