User Manual

18
Return Value
0 if successful; otherwise, Nonzero.
Example
unsigned char buff[512];
fw_getver(icdev,buff);
int fw_GetDevSN(int icdev,unsinged char *bufSN, int* snSize);
Description
Get serial number of device
Parameters
icdev:Value of Device Handle.
buff:[out]string of serial number(end with ’\0’)
snSize:[out] string length
Return Value
0 if successful; otherwise, errorCode.
Example
unsigned char devSN[512];
int snLen;
fw_GetDevSN(icdev,devSN, &snLen);
int fw_GetDeviceMemSize(int icdev,unsinged int* size);
Description
Get size of device’s eeprom
Parameters
icdev:Value of Device Handle.
snSize:[out] size of eeprom (bytes)
Return Value
0 if successful; otherwise, errorCode.
Example
unsigned int memSize;
fw_GetDeviceMemSize(icdev,&memSize);
int fw_srd_eeprom(int icdev,int offset,int length,unsigned char *rec_buffer);
Description
Get remark information of Reader
Parameters
icdev:Value of Device Handle.
offset:Offset address（0～1278）
length:Length of information to read（1～1279）
rec_buffer:[out] gotten Data
Return Value
0 if successful; otherwise, Nonzero.
Example
int st;