Autoformat example MinimalInterrupt.ino

- auto format from arduino ide
- unsigned char ->  byte

examples/MinimalInterrupt/MinimalInterrupt.ino

@@ -31,14 +31,14 @@
 
 #define RST_PIN         9           // Configurable, see typical pin layout above
 #define SS_PIN          3           // Configurable, see typical pin layout above
-#define IRQ_PIN         2           
+#define IRQ_PIN         2           // Configurable, depends on hardware
 
 MFRC522 mfrc522(SS_PIN, RST_PIN);   // Create MFRC522 instance.
 
 MFRC522::MIFARE_Key key;
 
 volatile boolean bNewInt = false;
-unsigned char regVal = 0x7F;
+byte regVal = 0x7F;
 void activateRec(MFRC522 mfrc522);
 void clearInt(MFRC522 mfrc522);
 
@@ -53,7 +53,7 @@ void setup() {
   mfrc522.PCD_Init(); // Init MFRC522 card
 
   /* read and printout the MFRC522 version (valid values 0x91 & 0x92)*/
-    Serial.print("Ver: 0x");      
+  Serial.print(F("Ver: 0x"));
   byte readReg = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
   Serial.println(readReg, HEX);
 
@@ -77,16 +77,15 @@ void setup() {
   } while (!bNewInt);
   bNewInt = false;
 
-    Serial.println("End setup"); 
+  Serial.println(F("End setup"));
 }
 
 /**
  * Main loop.
  */
 void loop() {
-   
   if (bNewInt) { //new read interrupt
-      Serial.print("Interrupt. ");
+    Serial.print(F("Interrupt. "));
     mfrc522.PICC_ReadCardSerial(); //read the tag data
     // Show some details of the PICC (that is: the tag/card)
     Serial.print(F("Card UID:"));
@@ -136,4 +135,3 @@ void clearInt(MFRC522 mfrc522){
   mfrc522.PCD_WriteRegister(mfrc522.ComIrqReg, 0x7F);
 }
 
-