/// <summary>
/// Returns an awaitable task that sets the fingerprint threshold on the terminal.
/// </summary>
/// <param name="threshold">The fingerprint threshold.</param>
public async Task SetThresholdAsync(FingerprintThreshold threshold)
{
string val;
switch (threshold)
{
case FingerprintThreshold.VeryHigh:
val = "1-VERYHIGH";
break;
case FingerprintThreshold.High:
val = "2-HIGH----";
break;
case FingerprintThreshold.Medium:
val = "3-MEDIUM--";
break;
case FingerprintThreshold.Low:
val = "4-LOW-----";
break;
case FingerprintThreshold.VeryLow:
val = "5-VERYLOW-";
break;
default:
throw new ArgumentException("Invalid fingerprint threshold.", "threshold");
}
var data = string.Format("H0T{0}", val);
await _client.SendAndReceiveAsync(RequestCommand.Fingerprint, data, ACK);
}
private FingerprintUnitStatus(string data)
{
var subcode = data.Substring(0, 2);
if (subcode != "M0")
{
throw new InvalidDataException(
string.Format("Expected sub-code of \"{0}\" but got \"{1}\".", "MO", subcode));
}
_comparisonMode = (FingerprintComparisonModes)data[2];
_kernelVersion = data.Substring(3, 12);
if (!int.TryParse(data.Substring(15, 5), NumberStyles.None, CultureInfo.InvariantCulture, out _loadedTemplates))
{
throw new InvalidDataException("Couldn't parse number of templates loaded from fingerprint status data.");
}
// character 20 is a hardcoded slash that we can ignore
if (!int.TryParse(data.Substring(21, 5), NumberStyles.None, CultureInfo.InvariantCulture, out _maximumTemplates))
{
throw new InvalidDataException("Couldn't parse maximum number of templates from fingerprint status data.");
}
_fingerprintUnitMode = (FingerprintUnitModes)data[26];
byte b;
if (!byte.TryParse(data.Substring(27, 1), NumberStyles.None, CultureInfo.InvariantCulture, out b))
{
throw new InvalidDataException("Couldn't parse global threshold from fingerprint status data.");
}
if (b < 1 || b > 5)
{
throw new InvalidDataException("Fingerprint Global Threshold should be between 1 and 5.");
}
_globalThreshold = (FingerprintThreshold)b;
_enrollMode = (FingerprintEnrollModes)data[28];
}
/// <summary>
/// Returns an awaitable task that sets the fingerprint threshold on the terminal.
/// </summary>
/// <param name="threshold">The fingerprint threshold.</param>
public async Task SetThresholdAsync(FingerprintThreshold threshold)
{
string val;
switch (threshold)
{
case FingerprintThreshold.VeryHigh:
val = "1-VERYHIGH";
break;
case FingerprintThreshold.High:
val = "2-HIGH----";
break;
case FingerprintThreshold.Medium:
val = "3-MEDIUM--";
break;
case FingerprintThreshold.Low:
val = "4-LOW-----";
break;
case FingerprintThreshold.VeryLow:
val = "5-VERYLOW-";
break;
default:
throw new ArgumentException("Invalid fingerprint threshold.", "threshold");
}
var data = string.Format("H0T{0}", val);
await _client.SendAndReceiveAsync(RequestCommand.Fingerprint, data, ACK);
}
private FingerprintUnitStatus(string data)
{
var subcode = data.Substring(0, 2);
if (subcode != "M0")
throw new InvalidDataException(
string.Format("Expected sub-code of \"{0}\" but got \"{1}\".", "MO", subcode));
_comparisonMode = (FingerprintComparisonModes)data[2];
_kernelVersion = data.Substring(3, 12);
if (!int.TryParse(data.Substring(15, 5), NumberStyles.None, CultureInfo.InvariantCulture, out _loadedTemplates))
throw new InvalidDataException("Couldn't parse number of templates loaded from fingerprint status data.");
// character 20 is a hardcoded slash that we can ignore
if (!int.TryParse(data.Substring(21, 5), NumberStyles.None, CultureInfo.InvariantCulture, out _maximumTemplates))
throw new InvalidDataException("Couldn't parse maximum number of templates from fingerprint status data.");
_fingerprintUnitMode = (FingerprintUnitModes)data[26];
byte b;
if (!byte.TryParse(data.Substring(27, 1), NumberStyles.None, CultureInfo.InvariantCulture, out b))
throw new InvalidDataException("Couldn't parse global threshold from fingerprint status data.");
if (b < 1 || b > 5)
throw new InvalidDataException("Fingerprint Global Threshold should be between 1 and 5.");
_globalThreshold = (FingerprintThreshold)b;
_enrollMode = (FingerprintEnrollModes) data[28];
}