7.1.2.3.
RDR_to_PC_Parameters
This message is sent by the smart card reader 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
section 4.2.1
8
bError
1
Slot error register as defined in CCID
section 4.2.1 and this specification
section 5.2.8
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
abProtocolData
Structure
Byte
array
Protocol Data Structure as summarized
in section 5.2.3.
7.1.3.
Commands Accessed via PC_to_RDR_XfrBlock
7.1.3.1.
GET_READER_INFORMATION
This command returns relevant information about the particular smart card reader model and the
current operating status such as the firmware revision number, the maximum data length of a
command and response, the supported card types, and whether a card is inserted and powered up or
not.
Note:
This command can only be used after the logical smart card reader communication has been
established using the
SCardConnect()
API. For details of
SCardConnect()
API, please refer to PC/SC
specification.
Pseudo-APDU
CLA
INS
P1
P2
Lc
FF
H
09
H
00
H
00
H
10
H
Command format (
abData
field in the
PC_to_RDR_XfrBlock
)
FIRMWARE
MAX_C
MAX_R
C_TYPE
C_SEL
C_STAT
Response data format (
abData
field in the
RDR_to_PC_DataBlock
)
Document Title Here
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Document Title Here
ACR101 PC/SC Memory Card Access
Version 1.0
Page 16 of 19
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