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NFC Raw Transceiver

These commands are available three ways — in the FREE-WILi GUI app, in a serial terminal, and on the device itself. See Connecting it to a computer for how to reach them.

Begin​

Initialize the ST25R3916 and take ownership of the NFC front-end

How to use it — press b.

End​

Release the ST25R3916 back to the normal reader/writer state machine

How to use it — press e.

Field​

Turn the RF field on or off

How to use it — press f. At the prompt, enter: 1 to turn the RF field on, 0 to turn it off.

What you enter — on.

Write Register​

Write a single ST25R3916 register

How to use it — press w. At the prompt, enter: register address and value (hex).

What you enter — addr, value.

Read Register​

Read a single ST25R3916 register

How to use it — press r. At the prompt, enter: register address (hex).

What you enter — addr.

Send Command​

Send a direct command to the ST25R3916

How to use it — press c. At the prompt, enter: direct command code (hex).

What you enter — command.

Transceive​

Transmit bytes and receive the response over the RF field

How to use it — press t. At the prompt, enter: flags (hex), timeout in ms, then tx bytes (hex).

What you enter — flags, timeout_ms, tx.