Arduino init

Arduino/Arduino.ino

@@ -0,0 +1,124 @@
+/*
+* Signal     Pin              Pin               Pin
+*            Arduino Uno      Arduino Mega      MFRC522 board
+* ------------------------------------------------------------
+* Reset      9                5                 RST
+* SPI SS     10               53                SDA
+* SPI MOSI   11               51                MOSI
+* SPI MISO   12               50                MISO
+* SPI SCK    13               52                SCK
+*/
+
+#include <SPI.h>
+#include <MFRC522.h>
+
+#define SS_PIN 10
+#define RST_PIN 9
+
+#define LED_BOX 6
+#define LED_PLATFORMS 5
+
+int LedStatus=0;
+bool onBox = false;
+
+MFRC522 mfrc522(SS_PIN, RST_PIN);
+
+long previousMillis = 0;
+long interval = 10;
+
+String uid_s;
+String uid_old = "";
+
+String uidRFID[] = {"b278d53b","8084d53b","d683d53b","01020304","7b83d53b","427ad53b"};
+
+void setup() {
+
+  Serial.begin(9600); // Initialize serial communications with the PC
+  SPI.begin();        // Init SPI bus
+  mfrc522.PCD_Init(); // Init MFRC522 card
+  //Serial.println("In attesa di lettura...");
+
+  pinMode(LED_BOX, OUTPUT);
+  pinMode(LED_PLATFORMS, OUTPUT);
+
+}
+
+void loop() {
+
+  unsigned long currentMillis = millis();
+
+  if(currentMillis - previousMillis > interval) {
+    previousMillis = currentMillis;
+
+    // Look for new cards
+    if ( ! mfrc522.PICC_IsNewCardPresent()) {
+
+      if(LedStatus==200){
+        for(LedStatus=200;LedStatus>=0;LedStatus--){
+          analogWrite(LED_BOX,LedStatus);
+          analogWrite(LED_PLATFORMS,200-LedStatus);
+          delay(10);
+        }
+        onBox = false;
+      }
+      return;
+    }
+
+    // Select one of the cards
+    if ( ! mfrc522.PICC_ReadCardSerial()) {
+      return;
+    }
+
+    if(LedStatus<200){
+      for(LedStatus=0;LedStatus<200;LedStatus++){
+        analogWrite(LED_BOX,LedStatus);
+        analogWrite(LED_PLATFORMS,200-LedStatus);
+        delay(10);
+      }
+      onBox = true;
+    }
+
+    uid_s = "";
+
+    if (!mfrc522.PICC_IsNewCardPresent() && !mfrc522.PICC_ReadCardSerial()) {
+
+      for (byte i = 0; i < mfrc522.uid.size; i++) {
+
+        String uid_a = String(mfrc522.uid.uidByte[i] < 0x10 ? "0" : "");
+        String uid_b = String(mfrc522.uid.uidByte[i], HEX);
+
+        uid_s = uid_s+uid_a+uid_b;
+      }
+    }
+
+    if(uid_s != uid_old || onBox){
+      onBox = false;
+      uid_old = uid_s;
+      //Serial.print("RFID UID rivelato --> ");
+      //Serial.println(uid_s);
+      //Serial.println("");
+
+      boolean control = false;
+      for (int i = 0; i < sizeof(uidRFID)/sizeof(String); i++){
+
+        if(uidRFID[i] == uid_s){
+
+          Serial.print("ID");
+          Serial.print("\t");
+          Serial.println(i);
+          control = true;
+          break;
+
+        }
+      }
+
+      if(!control){
+        //Serial.println("Accesso vietato");
+        delay(1000);
+      }
+
+      //Serial.println();
+      //Serial.println("In attesa di lettura...");
+    }
+  }
+}