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MS9400 HD FrEND User Guide Chapter 6: Remote Control Protocol
44 Rev. 1.50
GPIO COMMANDS:
When using the MS9400 with an optional GPIO Interface module additional commands are available that enable
the MS9400 to control or be controlled by an external device.
NOTE: Refer to Chapter 7: Using the GPIO Interface for more information.
Getinput
Verify the state of the four (4) GPIO Inputs.
The Player will respond with
inputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.
Getoutput
Verify the state of the four (4) GPIO Outputs.
The Player will respond with
outputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.
Setoutput
Change the state of the four (4) GPIO Outputs.
The Player will respond with
outputstate 1(+ or -) 2(+ or -) 3(+ or -) 4(+ or -) where ‘+’ = ON ‘-‘ = OFF.