ADLINK PCI-8144 - Manual (Page 88)

78 Function Library
_8144_check_security_key
Varily the security password
Description:
This funciton is used to verify the security code which the user
set by the function “_8144_set_security_key”.
Syntax:
I16 _8144_check_security_key(I16 CardId, U16
Password)
B_8144_check_security_key(ByVal CardId As
Integer, ByVal Password As Integer) As
Integer
Parameters:
I16 CardId : The card ID number.
U16 Password : The password number
Return Values:
ERR_ParametersInvalid
ERR_DeviceNotInitial
ERR_GetEEPROM
ERR_NoError
Example:
I16 ret; //return code
I16 CardId = 0; // card ID
U16 OldPassword = 0; // current password stored
in card
U16 NewPassword = 0x1234; //new password
If(_8144_reset_security_key(CardId)) //reset the
password to default value (0)
{// return error}
if(_8144_set_security_key( CardId, OldPassword,
NewPassword)) //set a new password
{//return error}
ret = _8144_check_security_key(CardId,
NewPassword); //verify the new password
if( ret == ERR_NoError )
// security pass