ACS ACR1255U-J1, Reference Manual

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ACR1255U-J1 – Reference Manual
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Response
HID Frame Length (bytes) Description
RspMessagType 1 Commands
Length 2 Data length
Slot 1 Default value: 00h
Seq 1 Sequence
Slot Status/Param 1 Slot Status/Parameter
Checksum 1 Checksum
Data 0-N Data
Data checksum is used in detecting errors that may have been introduced during wireless data
transmission. To calculate the data checksum: XOR { RspMessageType, Length, Slot, Seq,
SlotStatus/Param, Data }.
Example: 62010063 => Checksum = 63h
5.6. Bluetooth Communication Protocol
ACR1255U-J1 communicates to the paired device using the Bluetooth interface with a predefined
protocol. The protocol is similar to the formats of the CCID Command Pipe and Response Pipe.
Command Mode Supported Sender Description
62h Authenticated Paired device PICC Power On
63h Authenticated Paired device PICC Power Off
65h Authenticated Paired device Get Card Status
6Fh Authenticated Paired device Exchange APDU
6Bh Authenticated Paired device Escape Commands
Table 6 : Command Code Summary
Command Mode Supported Sender Description
80h Authenticated Reader Response to Data Block
81h Authenticated Reader Response to Slot Status
83h Authenticated Reader Response to Escape Command
50h Authenticated Reader Notify Card Status
51h Authenticated Reader Response to Hardware Error
Table 7 : Response Code Summary