ACS ACR38K Smart Keyboard - Manual (Page 19)

ACR38x (CCID) – Reference Manual [email protected]
Version 6.04 www.acs.com.hk
Page 19 of 58
Offset Field Size Value Description
9 bClockStatus 1
Value:
00h = Clock running
01h = Clock stopped in state L
02h = Clock stopped in state H
03h = Clock stopped in an
unknown state
All other values are RFU.
9.2.3. RDR_to_PC_Parameters
This message is sent by ACR38x (CCID) in response to PC_to_RDR_GetParameters,
PC_to_RDR_ResetParameters and PC_to_RDR_SetParameters messages.
Offset Field Size Value Description
0 bMessageType 1 82h
1 dwLength 4 Size of extra bytes of this message.
5 bSlot 1 Same value as in Bulk-OUT message.
6 bSeq 1 Same value as in Bulk-OUT message.
7 bStatus 1
Slot status register as defined in CCID
Rev 1.0 Section 4.2.1.
8 bError 1
Slot error register as defined in CCID
Rev 1.0 Section 4.2.1.
9 bProtocolNum 1
Specifies what protocol data structure
follows.
00h = Structure for protocol T=0
01h = Structure for protocol T=1
The following values are reserved for
future use:
80h = Structure for 2-wire protocol
81h = Structure for 3-wire protocol
82h = Structure for I2C protocol
10 abProtocolDataStructure
Byte
array
Protocol Data Structure.