AT Commands

This section presents the list of AT commands used for interfacing with the ATMEGA328P MCU in the USB HUB Camera Board using a usb-serial FTDI interface, together with a detailed description of their functions and examples of use.

Table of Content

AT
AT+VERSION?
AT+STOP
AT+START
AT+TRIGGER
AT+PERIOD?
AT+PERIOD=VALUE

AT

Checks if device is connected and alive

Example:

AT

Response:

> OK

AT+VERSION?

Checks for the hardware and firmware versions

Example:

AT+VERSION?

Response:

> Hardware version: v1.0
> Firmware version: v1.1

AT+STOP

Stops the automatic trigger mode

Example:

AT+STOP

Response:

Automatic trigger mode stopped

AT+START

Starts the automatic trigger mode

Example:

AT+START

Response:

Automatic trigger mode started

AT+TRIGGER

Sends a single trigger pulse

Example:

AT+TRIGGER

Response:

Sending single trigger signal

AT+PERIOD?

Requests the current automatic trigger period

Example:

AT+PERIOD?

Response:

Trigger period (ms) = 1000

AT+PERIOD=VALUE

Sets the period of the automatic trigger to the value specified by VALUE. VALUE must be an integer in milliseconds

Example:

AT+PERIOD=500

Response:

Trigger period (ms) = 500