Function doCmd

examples/io/spi/ili9341/main.js:96–105

(register, ...data)

}

function doCmd(register, ...data) {
	spi.flush(true);
	dc.write(0);
	spi.write(Uint8Array.of(register));

	if (data.length) {
		dc.write(1);
		spi.write(Uint8Array.from(data));
	}
}