9.11.2007:

- serial console:
	115200 baud, 8N1, no handshake

- serial commands:
	0 - backlight off
	1 - dimmed backlight
	2 - full backlight
	. - prints "HELO"
	S - prints RCA_Encode status (hex value)
	I - prints irIRQ status (hex value)
	K - prints keyIRQ status (hex value)
	all other inputs are echoed

- flash boop_rom.bin:
	lpctool -i -e -a ./boop_rom.bin -d /dev/<serial_device>
