BRP commands reference

BRP commands are separated into several command groups based on their features. their features.

The following groups are the most important ones:

• Sys: Interact with the reader itself
• VHL (Very High Level access ): Read/write cards while avoiding complex low-level command sequences
• AR (Autoread): Control a reader configured to operate autonomously
• UI: Control the feedback to the card holder, e.g. via LED and beeper

Not all command groups in this command reference are supported by all hardware or firmware versions. You'll find a corresponding note on the relevant pages.

Status codes

Status codes report the status of the reader after you've executed a certain command. There are 2 categories:

• General
  They apply to all command groups. Their value is > 0x40. For details, please see the general status codes page.

• Command group specific
  Their value is <= 0x40. For details, please see the "Status codes" section on each command group overview page.