private void OpenAreaExchange(uint accessPwd, bool secured, PasswordLevel pwdLevel, uint password)
{
BitBuffer bb;
NurApi.CustomExchangeParams xch;
NurApi.CustomExchangeResponse resp;
int respLen;
List <BitEntry> entries = new List <BitEntry>();
/* Values composed as defined by the SL900A specification. */
entries.Add(BuildEntry(ADD_PARAMETER, PwdLevelToUint(pwdLevel), PWD_LEVELBITS));
entries.Add(BuildEntry(ADD_PARAMETER, password, PASSWORDBITS));
bb = BuildCommand(CMD_OPENAREA, entries);
/* Zero length; get possible error. */
xch = BuildDefault(bb, 0, false, false);
resp = hApi.CustomExchangeSingulated(password, secured, NurApi.BANK_EPC, 32, epc.Length * 8, epc, xch);
respLen = resp.tagBytes.Length;
if (resp.error != NurApiErrors.NUR_NO_ERROR)
{
if (respLen >= MIN_ERROR_RESP_LENGTH)
{
InterpretedException("Open area", resp);
}
DoException("Open area", resp);
}
}
private PasswordLevel CreateIfNotExistsOrGet(PasswordLevels level)
{
var name = Enum.GetName(typeof(PasswordLevels), level);
var passwordLevel = Repository.GetSet <PasswordLevel>().FirstOrDefault(p => p.Name.ToLower().Equals(name.ToLower()));
if (passwordLevel == null)
{
passwordLevel = new PasswordLevel();
passwordLevel.Name = name;
Repository.Add(passwordLevel);
}
return(passwordLevel);
}
/// <summary>
/// Convert a password level enumeration to a 32-bit unsigned integer.
/// </summary>
/// <param name="level">Password level as defined by <see cref="PasswordLevel"/>.</param>
/// <returns>32-bit unsigned integer represeting the password level parameter to the tag.</returns>
public uint PwdLevelToUint(PasswordLevel level)
{
switch (level)
{
case PasswordLevel.System: return(PWD_LEVEL_SYSTEM);
case PasswordLevel.Application: return(PWD_LEVEL_APP);
default: break;
}
/* Measurement level. */
return(PWD_LEVEL_MEAS);
}
