SoftwareSerial mySerial(14, 12, false, 128);

Adafruit_Fingerprint finger = Adafruit_Fingerprint(&mySerial);

// Eigene Daten eintragen

const char* ssid = ""; // Netzwerknahme
const char* password = ""; // PW Netzwerk
const char* mqttServer = ""; // Broker PI
const int mqttPort = 1883; // Broker PI Port
const char* mqttUser = ""; // Broker PI Name
const char* mqttPassword = ""; // Broker PI Password

// Ab hier nix mehr machen

char* mqttio = "12345"; // Broker PI Wert
char* confidence = "67890"; // Broker PI Wert

WiFiClient espClientfp;
PubSubClient client(espClientfp);

int cnt=300;

void setup()
{

// set the data rate for the sensor serial port
finger.begin(57600);

if (finger.verifyPassword()) {
Serial.println("Found fingerprint sensor!");
} else {
Serial.println("Did not find fingerprint sensor :(");
while (1) { delay(1); }
}

finger.getTemplateCount();
Serial.print("Sensor contains "); Serial.print(finger.templateCount); Serial.println(" templates");
Serial.println("Waiting for valid finger...");

Serial.begin(115200); // Baud Wemos nach IDE Serieller Monitor

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.println("Connecting to WiFi..");
}
Serial.println("Connected to the WiFi network");
Serial.print("=> ESP8266 IP Adresse: ");
Serial.println(WiFi.localIP());

client.setServer(mqttServer, mqttPort);
client.setCallback(callback);

}
void reconnect(){

while (!client.connected()) {
Serial.println("Connecting to MQTT...");

if (client.connect("ESP8266Clientfp", mqttUser, mqttPassword)) {

Serial.println("connected");

} else {

Serial.print("failed with state ");
Serial.print(client.state());
delay(5000);
}

}
client.subscribe("print/Confidence");
client.subscribe("print/FingerprintNr1");
client.publish("print/FingerprintNr1","Print verbunden");
client.publish("print/Confidence","Genauigkeit verbunden");
}

void callback(char* topic, byte* payload, unsigned int length) {

Serial.print("Message arrived in topic: ");
Serial.println(topic);

Serial.print("Message:");
for (int i = 0; i < length; i++) {
Serial.print((char)payload[i]);
}

Serial.println();
Serial.println("-----------------------");

}

void loop() { // run over and over again

if (!client.connected()) {
reconnect();
}

if(cnt==0){
Serial.println("Reset...");
ESP.restart();
}
cnt--;
delay(1000);
Serial.println(cnt);

client.loop();

getFingerprintIDez();
delay(50); //don't ned to run this at full speed.
}

uint8_t getFingerprintID() {
uint8_t p = finger.getImage();
switch (p) {
case FINGERPRINT_OK:
Serial.println("Image taken");
break;
case FINGERPRINT_NOFINGER:
Serial.println("No finger detected");
return p;
case FINGERPRINT_PACKETRECIEVEERR:
Serial.println("Communication error");
return p;
case FINGERPRINT_IMAGEFAIL:
Serial.println("Imaging error");
return p;
default:
Serial.println("Unknown error");
return p;
}

// OK success!

p = finger.image2Tz();
switch (p) {
case FINGERPRINT_OK:
Serial.println("Image converted");
break;
case FINGERPRINT_IMAGEMESS:
Serial.println("Image too messy");
return p;
case FINGERPRINT_PACKETRECIEVEERR:
Serial.println("Communication error");
return p;
case FINGERPRINT_FEATUREFAIL:
Serial.println("Could not find fingerprint features");
return p;
case FINGERPRINT_INVALIDIMAGE:
Serial.println("Could not find fingerprint features");
return p;
default:
Serial.println("Unknown error");
return p;
}

// OK converted!
p = finger.fingerFastSearch();
if (p == FINGERPRINT_OK) {
Serial.println("Found a print match!");
} else if (p == FINGERPRINT_PACKETRECIEVEERR) {
Serial.println("Communication error");
return p;
} else if (p == FINGERPRINT_NOTFOUND) {
Serial.println("Did not find a match");
return p;
} else {
Serial.println("Unknown error");
return p;
}
}

int getFingerprintIDez() {
uint8_t p = finger.getImage();
if (p != FINGERPRINT_OK) return -1;

p = finger.image2Tz();
if (p != FINGERPRINT_OK) return -1;

p = finger.fingerFastSearch();
if (p != FINGERPRINT_OK) return -1;

sprintf(mqttio,"%d",finger.fingerID);
sprintf(confidence,"%d",finger.confidence);

client.subscribe("print/Confidence");
client.publish("print/Confidence", confidence);

client.subscribe("print/FingerprintNr1");
client.publish("print/FingerprintNr1", mqttio);

Serial.print("Erkannter Fingerabdruck Nr. "); Serial.print(mqttio);
Serial.print(" mit einer Genauigkeit von "); Serial.println(confidence);

return finger.fingerID;

client.loop();
}