Reference Manual Preliminary
Prox–DU & Prox–SU
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DOC118569A Public Use Page 69/134
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
Short APDU level, RFU = 0000h
10 abData Byte
Array
Short APDU command
The parameter bBWI is only use in TPDU mode and only for T=1 transfers.
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 RDR_to_PC_DataBlock response message.
PC_to_RDR_GetParameters command
This command is used to retrieve the current slot parameters. It is always accepted.
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
The response to this command message is the RDR_to_PC_Parameters response
message.
PC_to_RDR_ResetParameters command
This command is used to reset the current slot parameters.
The command is allowed in TPDU mode. In APDU mode, the command is rejected.
The slot resets the T=0 and T=1 parameters, but the slot is set to T=0 protocol.
Offset Field Size Value Description
0 bMessageType 1 6Dh PC_to_RDR_ResetParameters
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
The response to this command message is the RDR_to_PC_Parameters response
message.
PC_to_RDR_SetParameters command
This command is used to change the slot parameters such as the baud rate, the protocol,