public static void example_search()
{
try
{
using (PyFingerprintScanner scanner = new PyFingerprintScanner())
{
if (!scanner.verifyPassword())
{
throw new Exception("The given fingerprint sensor password is wrong!");
}
try
{
Console.WriteLine("Waiting for finger...");
while (!scanner.readImage())
{
// Check for finger once a second
Thread.Sleep(1000);
}
scanner.convertImage(0x01);
var result = scanner.searchTemplate();
int positionNumber = result.Item1;
int accuracyScore = result.Item2;
if (positionNumber == -1)
{
Console.WriteLine("No Template Found");
//return;
}
else
{
Console.WriteLine("Found template at position # " + positionNumber);
Console.WriteLine("The accuracy score is: " + accuracyScore);
}
}
catch (Exception ex)
{
Console.WriteLine("Operation failed!");
Console.WriteLine("Exception message: " + ex.Message);
}
}
}
catch (Exception ex)
{
Console.WriteLine("The fingerprint sensor could not be initialized!");
Console.WriteLine("Exception message: " + ex.Message);
}
}
public static void example_enroll()
{
try
{
using (PyFingerprintScanner scanner = new PyFingerprintScanner())
{
if (!scanner.verifyPassword())
{
throw new Exception("The given fingerprint sensor password is wrong!");
}
Console.WriteLine("Currently used templates: " + scanner.getTemplateCount() + "/" + scanner.getStorageCapacity());
try
{
Console.WriteLine("Waiting for finger...");
while (!scanner.readImage())
{
// Check for finger once a second
Thread.Sleep(1000);
}
scanner.convertImage(0x01);
var result = scanner.searchTemplate();
int positionNumber = result.Item1;
if (positionNumber >= 0)
{
Console.WriteLine("Template already exists at position # " + positionNumber);
return;
}
Console.WriteLine("Remove finger...");
Thread.Sleep(2000);
Console.WriteLine("Waiting for same finger again...");
while (!scanner.readImage())
{
// Check for finger once a second
Thread.Sleep(1000);
}
scanner.convertImage(0x02);
if (scanner.compareCharacteristics() == 0)
{
throw new Exception("Fingerprints do not match!");
}
scanner.createTemplate();
positionNumber = scanner.storeTemplate();
Console.WriteLine("Finger enrolled sucessfully!");
Console.WriteLine("New template position # " + positionNumber);
}
catch (Exception ex)
{
Console.WriteLine("Operation failed!");
Console.WriteLine("Exception message: " + ex.Message);
}
}
}
catch (Exception ex)
{
Console.WriteLine("The fingerprint sensor could not be initialized!");
Console.WriteLine("Exception message: " + ex.Message);
}
}
