Merge pull request #44 from mdxs/fix_typos

Fixed various typos and whitespace layout issues

MFRC522.cpp

@@ -1,6 +1,6 @@
 /*
 * MFRC522.cpp - Library to use ARDUINO RFID MODULE KIT 13.56 MHZ WITH TAGS SPI W AND R BY COOQROBOT.
-* _Please_ see the comments in MFRC522.h - they give useful hints and background.
+* NOTE: Please also check the comments in MFRC522.h - they provide useful hints and background information.
 * Released into the public domain.
 */
 
@@ -233,7 +233,7 @@ void MFRC522::PCD_Reset() {
 
 /**
  * Turns the antenna on by enabling pins TX1 and TX2.
- * After a reset these pins disabled.
+ * After a reset these pins are disabled.
  */
 void MFRC522::PCD_AntennaOn() {
 	byte value = PCD_ReadRegister(TxControlReg);
@@ -265,7 +265,7 @@ byte MFRC522::PCD_TransceiveData(	byte *sendData,		///< Pointer to the data to t
 } // End PCD_TransceiveData()
 
 /**
- * Transfers data to the MFRC522 FIFO, executes a commend, waits for completion and transfers data back from the FIFO.
+ * Transfers data to the MFRC522 FIFO, executes a command, waits for completion and transfers data back from the FIFO.
  * CRC validation can only be done if backData and backLen are specified.
  *
  * @return STATUS_OK on success, STATUS_??? otherwise.
@@ -541,7 +541,7 @@ byte MFRC522::PICC_Select(	Uid *uid,			///< Pointer to Uid struct. Normally outp
 			if (currentLevelKnownBits >= 32) { // All UID bits in this Cascade Level are known. This is a SELECT.
 				//Serial.print("SELECT: currentLevelKnownBits="); Serial.println(currentLevelKnownBits, DEC);
 				buffer[1] = 0x70; // NVB - Number of Valid Bits: Seven whole bytes
-				// Calulate BCC - Block Check Character
+				// Calculate BCC - Block Check Character
 				buffer[6] = buffer[2] ^ buffer[3] ^ buffer[4] ^ buffer[5];
 				// Calculate CRC_A
 				result = PCD_CalculateCRC(buffer, 7, &buffer[7]);

MFRC522.h

@@ -155,7 +155,7 @@ public:
 		// 						  0x3F			// reserved for production tests
 	};
 	
-	// MFRC522 comands. Described in chapter 10 of the datasheet.
+	// MFRC522 commands. Described in chapter 10 of the datasheet.
 	enum PCD_Command {
 		PCD_Idle				= 0x00,		// no action, cancels current command execution
 		PCD_Mem					= 0x01,		// stores 25 bytes into the internal buffer