Texas Instruments DW30 Query Command, Gio?, Gio! “Hhllhlh” “Ooioooi”, GIO? C2, GIO! C2 O, Gio! H

Appendix E: System Integration

Query Command
(GIO?)	Request the state and configuration of all pins
(GIO! “HHLLHLH” “OOIOOOI”)	Reply of pin state and configuration
(GIO? C2)	Request configuration for pin #2
(GIO! C2 O)	Reply with pin #2 configuration as output
(GIO? 2)	Request the state of pin #2
(GIO! H)	Reply with pin #2 state as high

Real Time Event

Use the serial command RTE to specify an action that is initiated at a particular time or based on an external stimulus.

For General Purpose IO “G”

Parameter	Name	Value
P1	RTE type	G (Real Time I/O Event)
P2	I/O bit	1-7
P3	Pin state	H = High
	(1 Character)	L = Low
	(String)	“LHXXXHL” Combine multiple inputs and
		trigger occurs when all conditions are met
P4	Commands	Any valid serial protocol command for the device

Example 2. Projector powers up when a switch on the external device is turned on.

(GIO C2 I)		Set pin #2 configuration as input
(RTE G 2	H “(PWR 1)”)	Power on when pin #2 set to high
(RTE G 2	L “(PWR 0)”)	Power off when pin #2 set to low

E-2 Christie DS+60/DW30/Matrix 3000 User’s Manual