ACR39x – Reference Manual
Version 1.03
www.acs.com.hk
Page 17 of 35
7.2.3.
RDR_toPC_Parameters
This message is sent by ACR39x
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 Section 4.2.1 and
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.
