CLOUD
47
X
0
F
R
EFERENCE
M
ANUAL
27
5.4.
Firmware
5.4.1. CCID transport protocol
CLOUD 47x0 F implements a transport protocol that is compliant with USB Device Class:
Smart Card CCID Specification for Integrated Circuit(s) Cards Interface Devices Revision 1.10
.
This paragraph describes the CCID specification features that are implemented.
5.4.1.1. CCID class requests supported
Abort
5.4.1.2. CCID messages supported
The following CCID messages are supported for the contact interface when received through
bulk-out endpoint.
PC_to_RDR_IccPowerOn
PC_to_RDR_IccPowerOff
PC_to_RDR_GetSlotStatus
PC_to_RDR_XfrBlock
PC_to_RDR_GetParameters
PC_to_RDR_ResetParameters
PC_to_RDR_SetParameters
PC_to_RDR_Escape
PC_to_RDR_ICCClock
PC_to_RDR_T0APDU
PC_to_RDR_Abort
PC_to_RDR_SetDataRateAndClockFrequency
5.4.1.3. CCID Error Codes
Extensive error codes are reported on many conditions during all CCID responses. Most of the
error messages are reported by the CCID appropriately. Some of the main error codes for the
contact interface are:
HW_ERROR
XFR_PARITY_ERROR
ICC_PROTOCOL_NOT_SUPPORTED
BAD_ATR_TS
BAD_ATR_TCK
ICC_MUTE
CMD_ABORTED
Command not supported