Desfire.ReadData
Reads data from a Standard or Backup data file.
Properties
-
Command code: 0x1B04
-
Command timeout: 3000 ms
-
Possible status codes:
General status codes,
Desfire.ErrIso14NoTag,
Desfire.ErrBreak,
Desfire.ErrIso14Hf,
Desfire.ErrIso14CardInvalid,
Desfire.ErrReaderChipCommunication,
Desfire.ErrIso14ApduCmd,
Desfire.ErrIso14InvalidResponse,
Desfire.ErrIntegrity,
Desfire.ErrPcdParam,
Desfire.ErrFirmwareNotSupported,
Desfire.ErrSamCommunication,
Desfire.ErrSamUnlock,
Desfire.ErrHardwareNotSupported,
Desfire.ErrLength,
Desfire.ErrPermissionDenied,
Desfire.ErrParameter,
Desfire.ErrPiccIntegrity,
Desfire.ErrCommandAborted,
Desfire.ErrIllegalCmd,
Desfire.ErrCmdOverflow,
Desfire.ErrIllegalCmdLegacy
Parameters (request frame)
|
Name
|
Type/Size
|
Description
|
|
FileId
|
Integer (8 bits)
|
ID of file to read.
|
|
Adr
|
Integer (32 bits)
|
Offset position within file. Ranges from 0x000000 to
(file size -1).
|
|
Len
|
Integer (16 bits)
|
Length of data to read. If Len = 0, the entire
data starting from the offset position will be read.
|
|
Mode
|
Enumeration (8 bits)
|
Communication settings linked to the file.
Values (3):
-
Plain (0x00)
-
MAC (0x01)
-
Encrypted (0x03)
|
Returned values (response frame)
|
Name
|
Type/Size
|
Description
|
|
Length of Data
|
Integer (16 bits)
|
Length of Data in bytes
|
|
Data
|
Raw data
|
Data read from card.
|
