User Manual

46
int st;
st= fw_delFile_desfire(icdev,0x03);
int fw_write_desfire(int icdev,unsigned char fileNo,unsigned int offset,unsigned
int length,unsigned char* data,char* sessionKey);
Description
Write data file
Parameters
icdev: Value of Device Handle.
fileNo: File ID
offset: offset address
length: length of data to write
data: data to be written,
sessionKey: session key
Return Value
0 if successful; otherwise, Nonzero. Reference Table 1.11
Example
int st;
unsigned char data[10]={0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88};
st= fw_write_desfire (icdev,0x01,0,8,data,sesskey);/*sesskey means the session key
obtained by verifying key */
int fw_read_desfire(int icdev,unsigned char fileNo,unsigned int offset,unsigned
int length,unsigned char* revData,char*sessionKey);
Description
Read data file
Parameters
icdev: Value of Device Handle.
fileNo: File ID
offset: offset address
length: length of data to read
revData: the data to be read,
sessionKey: session key
Return Value
0 if successful; otherwise, Nonzero. Reference Table 1.11
Example
int st;
unsigned char data[10];
st= fw_read_desfire (icdev,0x01,0,8,data,sesskey);/ *sesskey means the session key
obtained by verifying key */
int fw_getvalue_desfire(int icdev,unsigned char fileNo,unsigned int*
value,char*sessionKey);
Description
Get the value of value file
Parameters