ACS ACR3801 Smart Card Reader - Manual (Page 22)

ACR3801 – Reference Manual [email protected]
Version 2.01
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8.2.3. RDR_to_PC_Parameters
This message is sent by ACR3801 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 abProtocolDataStructure Byte
array
-
Protocol Data Structure as
summarized in CCID Section 5.2.3