Reference Manual Preliminary
Prox–DU & Prox–SU
www.gemalto.com Release for first samples Do not use for final design
DOC118569A Public Use Page 81/134
dwFeature defines Short APDU for the contactless interface.
For a Mifare cards the data must be an APDU command as define in PC/SC specification.
For ISO14443-4 cards the data are send “as it” using the T=CL protocol.
Offset Field Size Value Description
0 bMessageType 1 6Fh PC_to_RDR_XfrBlock
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 bBWI 1 00-FFh Used to extend the CCIDs Block
Waiting Timeout for this current
transfer. The CCID will timeout the
block after “this number multiplied
by the block Waiting Time” has
expired
8 wLevelParameter 2 0000h Use changes depending of the
exchange level reported by the
class descriptor in dwFeature field
For the contactless interface:
Short APDU level, RFU = 0000h
10 abData Byte
Array
4 to 261 Data block sent to the CCID.
For a T=CL card this data are send
“as it” using the T=CL protocol.
For a Mifare card: the data must be
an APDU command as defined in
PC/SC specification.
The command message length = 10 + Card command length.
The maximum length in case of Short ADPU = 10 + 261 = 271 bytes.
The response to this command message is the RDR_to_PC_DataBlock response message.
PC_to_RDR_GetParameters command
This command is used to retrieve the current slot parameters.
Offset Field Size Value Description
0 bMessageType 1 6Ch PC_to_RDR_GetParameters
1 bwLength 4 00000000h
5 bSlot 1 00h Slot 0
6 bSeq 1 00-FFh Sequence number for the
command
7 abRFU 3 000000h Reserved for future used
All parameters have no meaning for a contactless card, except the bNadValue parameter in
the Protocol data structure for protocol T=1.
This value is used for the NAD field of the T=CL protocol.
Other parameters are not used but are stored with the command
PC_to_RDR_SetParameter or set to default value with the command
PC_toRDR_ResetParameter to be send back in the response message
RDR_to_PC_Parameters.
The response to this command message is the RDR_to_PC_Parameters response
message.
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