From 88695dee49f2f1de7379879851fbc51d1b973a73 Mon Sep 17 00:00:00 2001
From: Elias Waschin-Scholvin <>
Date: Mon, 28 Jun 2021 12:09:06 +0200
Subject: [PATCH] Added first sketch
---
arduino/sketch_main/sketch_main.ino | 196 ++++++++++++++++++++++++++++
1 file changed, 196 insertions(+)
create mode 100644 arduino/sketch_main/sketch_main.ino
diff --git a/arduino/sketch_main/sketch_main.ino b/arduino/sketch_main/sketch_main.ino
new file mode 100644
index 0000000..e6cb2e7
--- /dev/null
+++ b/arduino/sketch_main/sketch_main.ino
@@ -0,0 +1,196 @@
+#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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