Lantronix 900-618 manual Command 10h, Get Functions, Command 11h, Get Directions, Send

9: GPIO Interface

Command 10h, Get Functions

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Functions

Bit X 1 means general purpose I/O available to the user.

0 means dedicated function (e.g., serial flow control, diagnostics) for configurable pin X.

Command 11h, Get Directions

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Directions

Bit X 1 means GPIO X is an output. 0 means it is an input.

Command 12h, Get Active Levels

Send:

No parameters

Response:

1 parameter

Bytes 1-4: Active levels

Bit X 1 means GPIO X is active low (0V when active, 3.3V when inactive). 0 means it is active high (3.3V when active, 0V when inactive).

Command 13h, Get Current States

Send:

No parameters

Response:

1parameter Bytes 1-4: States

Bit X 1 means GPIO X is active 0 means it is inactive.

xPico User Guide 64