Commit 88695dee authored by Elias Waschin-Scholvin's avatar Elias Waschin-Scholvin
Browse files

Added first sketch

parent 712417e6
#include <SPI.h>
#include <MFRC522.h>
#include <WiFiNINA_Generic.h>
// ----- WIFI -------
char ssid[] = "Lab@SmartLab_2G";
char pass[] = "its.0021!7A";
int status = WL_IDLE_STATUS; // the Wi-Fi radio's status
int ledState = LOW; //ledState used to set the LED
unsigned long previousMillisInfo = 0; //will store last time Wi-Fi information was updated
unsigned long previousMillisLED = 0; // will store the last time LED was updated
const int intervalInfo = 5000; // interval at which to update the board information
// ----- RFID-------
const uint8_t RST_PIN = 9; // reset pin
const uint8_t SS_PIN = 10; // serial data pin
#define RESET_TIME 3000
MFRC522 rfid(SS_PIN, RST_PIN); // create MFRC522 instance
MFRC522::MIFARE_Key key;
// Init array that will store new NUID
byte nuidPICC[4];
unsigned long lastReadTS;
void connectToWifi() {
// set the LED as output
pinMode(LED_BUILTIN, OUTPUT);
// attempt to connect to Wi-Fi network:
while (status != WL_CONNECTED) {
Serial.print("Attempting to connect to network: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
// you're connected now, so print out the data:
Serial.println("You're connected to the network");
Serial.println("---------------------------------------");
}
void printWifiInfo(){
unsigned long currentMillisInfo = millis();
// check if the time after the last update is bigger the interval
if (currentMillisInfo - previousMillisInfo >= intervalInfo) {
previousMillisInfo = currentMillisInfo;
Serial.println("Board Information:");
// print your board's IP address:
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);
// print your network's SSID:
Serial.println();
Serial.println("Network Information:");
Serial.print("SSID: ");
Serial.println(WiFi.SSID());
// print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print("signal strength (RSSI):");
Serial.println(rssi);
Serial.println("---------------------------------------");
}
unsigned long currentMillisLED = millis();
// measure the signal strength and convert it into a time interval
int intervalLED = WiFi.RSSI() * -10;
// check if the time after the last blink is bigger the interval
if (currentMillisLED - previousMillisLED >= intervalLED) {
previousMillisLED = currentMillisLED;
// if the LED is off turn it on and vice-versa:
if (ledState == LOW) {
ledState = HIGH;
} else {
ledState = LOW;
}
// set the LED with the ledState of the variable:
digitalWrite(LED_BUILTIN, ledState);
}
}
void initRFID(){
SPI.begin(); // Init SPI bus
rfid.PCD_Init(); // Init MFRC522
for (byte i = 0; i < 6; i++) {
key.keyByte[i] = 0xFF;
}
Serial.println(F("This code scan the MIFARE Classsic NUID."));
Serial.print(F("Using the following key:"));
printHex(key.keyByte, MFRC522::MF_KEY_SIZE);
}
void readRFID() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! rfid.PICC_IsNewCardPresent())
return;
// Verify if the NUID has been readed
if ( ! rfid.PICC_ReadCardSerial())
return;
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
Serial.println(rfid.PICC_GetTypeName(piccType));
// Check is the PICC of Classic MIFARE type
if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI &&
piccType != MFRC522::PICC_TYPE_MIFARE_1K &&
piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
Serial.println(F("Your tag is not of type MIFARE Classic."));
return;
}
unsigned long test = millis() - lastReadTS;
Serial.println("Milis ");
Serial.println(test);
if (rfid.uid.uidByte[0] != nuidPICC[0] ||
rfid.uid.uidByte[1] != nuidPICC[1] ||
rfid.uid.uidByte[2] != nuidPICC[2] ||
rfid.uid.uidByte[3] != nuidPICC[3] ||
millis() - lastReadTS > RESET_TIME
) {
Serial.println(F("A new card has been detected."));
// Store NUID into nuidPICC array
for (byte i = 0; i < 4; i++) {
nuidPICC[i] = rfid.uid.uidByte[i];
}
Serial.println(F("The NUID tag is:"));
Serial.print(F("In hex: "));
printHex(rfid.uid.uidByte, rfid.uid.size);
Serial.println();
Serial.print(F("In dec: "));
printDec(rfid.uid.uidByte, rfid.uid.size);
Serial.println();
}
else Serial.println(F("Card read previously."));
lastReadTS = millis();
// Halt PICC
rfid.PICC_HaltA();
// Stop encryption on PCD
rfid.PCD_StopCrypto1();
}
void setup() {
Serial.begin(9600); // start serial connection
while (!Serial);
connectToWifi();
initRFID();
printWifiInfo();
}
void loop() {
readRFID();
}
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void printHex(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
/**
* Helper routine to dump a byte array as dec values to Serial.
*/
void printDec(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], DEC);
}
}
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