Reference Manual
Prox–DU & Prox–SU
www.gemalto.com
DOC118569D
Public Use
Page 92/145
b3-b0 = CWI value 0-F valid
14
bClockStop
1
00h- 03h
ICC clock stop support
00h = Stopping the clock is not
allowed
15
bIfsc
1
01-FEh
Size of negotiated IFSC
16
bNadValue
1
Value = 00h if CCID doesn’t
support a value other than the
default value.
Else the value respects ISO/IEC
7816-3 9.4.2.1
The response to this message is the RDR_to_PC_Parameters response message.
PC_to_RDR_Escape command
This command allows the CCID manufacturer to define and access extended features.
Information sent via this command is processed by the CCID control logic.
Offset Field Size
Value
Description
0 bMessageType
1
6Bh PC_to_RDR_Escape
1
bwLength
4
Size of the abData field
5 bSlot
1
00h Slot
0
6
bSeq
1
00-FFh
Sequence number for the
command
7
abRFU
3
000000h
Reserved for Future Used
10 abData
Byte
array
Data block sent to the CCID
The detail of the commands in the adData field is described in the following paragraph.
The response to this message is the RDR_to_PC_Escape response message.
Note: the Microsoft CCID USB driver parameters should be customized to process the CCID
Escape Command because this feature is not enabled by default. Refer to the “Enabling the
CCID Escape Command feature into the driver” paragraph for more information.
The Linux and Mac CCID USB driver support the next following Escape commands.
Switch interface
This command is used to switch to the contactless interface after a contact card is inserted
and to switch back to the contact card interface.
This command act as the “Switch interface” command defined in the “Proprietary
Commands on the HID Interface” and the format in the abData field is the same.
Get firmware version
This command is useful for the Gemalto CCID driver.
The format is the same than the command of the GemCore POS Pro chip.
abData field = 0x02
The response is the Prox–DU or SU string version as defined in the “Firmware Versioning
Rules” paragraph.
PC_to_RDR_Abort command
This command is used with the control pipe Abort request to tell the CCID to stop any
Summary of Contents for Prox-DU
Page 4: ......