Because there are no detailed instructions and testing results in the documents, so I will descrip the all API_GUI commands one by one in detail.
The commands can be devided into three categories.
In order to be convenient to send the instructions, I make the reader UART version.
1. These commands are intended to configure the AS399x and for obtaining information about the firmware of the MCU.
This report sends the firmware or the hardware ID to the host computer.
You can see,
The firmware ID: #AS3992 Mini Reader Firmware 1.5.1
The hardware ID: "AS3992 ROGER Reader Hardware 1.2
This report enables or disables the RF power on the RF-output ports.
When disables the RF power on the RF-output ports, the reader will can not communicate with the tags. We will read nothing from the tag.
On the contrary, when the RF power on the RF-output ports is enabled, the reader can communicate with the tags.