Lightware HDMI-3D-OPT-TX210RAK User Manual page 59

7.5.2. Set the state of a GPIO pin
Description: The state of a GPIO pin can be set as follows.
Command {GPIO<pin_nr>=<direction>;
Response (GPIO<pin_nr>=<direction>;
Explanation: GPIO pin #1 is set as input, input level is low.
LW2 programmers' reference
Format
<level>}
<level>)CrLf
HDMI-3D-OPT-TX200 series
Example
 {gpio1=i;l}
 (GPIO1=I;L)CrLf
User's manual
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