ACS ACR101 SIMicro (CCID) - Manual (Page 16)

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 Document Title Here
Document Title Here ACR101 PC/SC Memory Card Access
Version 1.0
Page 16 of 19
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