private void button5_Click(object sender, EventArgs e)
{
//Enroll
string end = "\n";
byte[] endBYTE = Encoding.ASCII.GetBytes(end);
char startCode = '#';
byte startCodeByte = Convert.ToByte(startCode);
byte[] StoreFingerprint = { startCodeByte, 0x05 };
byte[] FinalBytes = Combine(StoreFingerprint, endBYTE);
port.Write(FinalBytes, 0, 4);
System.Threading.Thread.Sleep(5000);
int intBuffer;
intBuffer = port.BytesToRead;
byte[] byteBuffer = new byte[intBuffer];
port.Read(byteBuffer, 0, intBuffer);
string str = System.Text.Encoding.Default.GetString(byteBuffer);
if (str == "1\n")
{
MessageBox.Show("Fingerprint Enrollment Success");
}
else
{
MessageBox.Show("Fingerprint Enrollment Failed");
}
}
private void button6_Click(object sender, EventArgs e)
{
//Request entries { startCodeByte, 0x02, 0x0000, endCodeByte};
string MSG = (textBox1.Text).Trim();
string end = "\n";
int MSGsize = MSG.Length;
byte[] MSGByte = Encoding.ASCII.GetBytes(MSG);
byte[] endBYTE = Encoding.ASCII.GetBytes(end);
byte MSGsizeByte = Convert.ToByte(MSGsize);
char startCode = '#';
byte startCodeByte = Convert.ToByte(startCode);
char endCode = '\n';
byte endCodeByte = Convert.ToByte(endCode);
byte[] RequestEntry = { startCodeByte, 0x02, endCodeByte };
port.Write(RequestEntry, 0, 3);
System.Threading.Thread.Sleep(2000);
//The ESP32 sends back the request.
int intBuffer;
intBuffer = port.BytesToRead;
byte[] byteBuffer = new byte[intBuffer];
port.Read(byteBuffer, 0, intBuffer);
string str = System.Text.Encoding.Default.GetString(byteBuffer);
if (String.IsNullOrWhiteSpace(str))
{
MessageBox.Show("There are no Current Entries");
}
textBox1.Text = str;
}