ACS ACR38K Smart Keyboard - Manual (Page 14)

ACR38x (CCID) – Reference Manual [email protected]
Version 6.04 www.acs.com.hk
Page 14 of 58
Offset Field Size Value Description
5 bSlot 1
Identifies the slot number for this
command.
6 bSeq 1 Sequence number for command.
7 abRFU 3 Reserved for future use.
The response to this message is the RDR_to_PC_SlotStatus message.
9.1.4. PC_to_RDR_XfrBlock
This command transfers data block to the ICC.
Offset Field Size Value Description
0 bMessageType 1 6Fh
1 dwLength 4 Size of abData field of this message.
5 bSlot 1
Identifies the slot number for this
command.
6 bSeq 1 Sequence number for command.
7 bBWI 1
Used to extend the CCIDs Block
Waiting Timeout for this current
transfer. The CCID will timeout the
block after “this number multiplied by
the Block Waiting Time” has expired.
8 wLevelParameter 2 0000h RFU (TPDU exchange level).
10 abData
Byte
array
Data block sent to the CCID. Data is
sent “as is” to the ICC (TPDU exchange
level).
The response to this message is the RDR_to_PC_DataBlock message.
9.1.5. PC_to_RDR_GetParameters
This command gets the slot parameters.
Offset Field Size Value Description
0 bMessageType 1 6Ch
1 DwLength 4 00000000h Size of extra bytes of this message.
5 BSlot 1
Identifies the slot number for this
command.
6 BSeq 1 Sequence number for command.
7 AbRFU 3 Reserved for future use.
The response to this message is the RDR_to_PC_Parameters message.