SpringCore Direct BARCODE class

The BARCODE class controls the protocol and the session between the device and the host.

CLA value

The BARCODE class uses CLA=55.

The commands and the responses use the same format.

Field	Length	Description / remark
Header	4 or 6 bytes	CLA = `55`, LEN = length of Data
INS / STA	1 byte	Command: opcode of the INStruction Response: STAtus
Data	0 or more bytes	Command data Response data

The INS opcodes are defined below:

INS	Name	Description
`00`	GET_SCAN_ENGINE	Get Scan Engine version
`01`	GET_CURRENT_MODE	Get current trigger mode
`02`	GET_SYMBOLOGY	Check if a symbology is activated
`03`	SET_SYMBOLOGY	Activate or deactivate a symbology
`04`	RESET_SYMBOLOGY	Activate or deactivate a symbology
`05`	TRANSPARENT_EXCHANGE	Manufacturer specific