add output SAK to dump functions

MFRC522.cpp

@@ -1301,23 +1301,11 @@ void MFRC522::PICC_DumpToSerial(Uid *uid	///< Pointer to Uid struct returned fro
 								) {
 	MIFARE_Key key;
 	
-	// UID
-	Serial.print(F("Card UID:"));
-	for (byte i = 0; i < uid->size; i++) {
-		if(uid->uidByte[i] < 0x10)
-			Serial.print(F(" 0"));
-		else
-			Serial.print(F(" "));
-		Serial.print(uid->uidByte[i], HEX);
-	} 
-	Serial.println();
-	
-	// PICC type
-	PICC_Type piccType = PICC_GetType(uid->sak);
-	Serial.print(F("PICC type: "));
-	Serial.println(PICC_GetTypeName(piccType));
+	// Dump UID, SAK and Type
+	PICC_DumpDetailsToSerial(uid);
 	
 	// Dump contents
+	PICC_Type piccType = PICC_GetType(uid->sak);
 	switch (piccType) {
 		case PICC_TYPE_MIFARE_MINI:
 		case PICC_TYPE_MIFARE_1K:
@@ -1350,6 +1338,34 @@ void MFRC522::PICC_DumpToSerial(Uid *uid	///< Pointer to Uid struct returned fro
 	PICC_HaltA(); // Already done if it was a MIFARE Classic PICC.
 } // End PICC_DumpToSerial()
 
+/**
+ * Dumps card info (UID,SAK,Type) about the selected PICC to Serial.
+ */
+void MFRC522::PICC_DumpDetailsToSerial(Uid *uid	///< Pointer to Uid struct returned from a successful PICC_Select().
+									) {
+	// UID
+	Serial.print(F("Card UID:"));
+	for (byte i = 0; i < uid->size; i++) {
+		if(uid->uidByte[i] < 0x10)
+			Serial.print(F(" 0"));
+		else
+			Serial.print(F(" "));
+		Serial.print(uid->uidByte[i], HEX);
+	} 
+	Serial.println();
+	
+	// SAK
+	Serial.print(F("Card SAK: "));
+	if(uid->sak < 0x10)
+		Serial.print(F("0"));
+	Serial.println(uid->sak, HEX);
+	
+	// (suggested) PICC type
+	PICC_Type piccType = PICC_GetType(uid->sak);
+	Serial.print(F("PICC type: "));
+	Serial.println(PICC_GetTypeName(piccType));
+} // End PICC_DumpDetailsToSerial()
+
 /**
  * Dumps memory contents of a MIFARE Classic PICC.
  * On success the PICC is halted after dumping the data.

MFRC522.h

@@ -386,11 +386,16 @@ public:
 	// old function used too much memory, now name moved to flash; if you need char, copy from flash to memory
 	//const char *PICC_GetTypeName(byte type);
 	static const __FlashStringHelper *PICC_GetTypeName(PICC_Type type);
+	
+	// Support functions for debuging
 	void PCD_DumpVersionToSerial();
 	void PICC_DumpToSerial(Uid *uid);
+	void PICC_DumpDetailsToSerial(Uid *uid);
 	void PICC_DumpMifareClassicToSerial(Uid *uid, PICC_Type piccType, MIFARE_Key *key);
 	void PICC_DumpMifareClassicSectorToSerial(Uid *uid, MIFARE_Key *key, byte sector);
 	void PICC_DumpMifareUltralightToSerial();
+	
+	// Advanced functions for MIFARE
 	void MIFARE_SetAccessBits(byte *accessBitBuffer, byte g0, byte g1, byte g2, byte g3);
 	bool MIFARE_OpenUidBackdoor(bool logErrors);
 	bool MIFARE_SetUid(byte *newUid, byte uidSize, bool logErrors);

examples/DumpInfo/DumpInfo.ino

@@ -47,7 +47,7 @@ void setup() {
 	SPI.begin();			// Init SPI bus
 	mfrc522.PCD_Init();		// Init MFRC522
 	mfrc522.PCD_DumpVersionToSerial();	// Show details of PCD - MFRC522 Card Reader details
-	Serial.println(F("Scan PICC to see UID, type, and data blocks..."));
+	Serial.println(F("Scan PICC to see UID, SAK, type, and data blocks..."));
 }
 
 void loop() {

keywords.txt

@@ -64,11 +64,16 @@ PCD_MIFARE_Transceive	KEYWORD2
 GetStatusCodeName	KEYWORD2
 PICC_GetType	KEYWORD2
 PICC_GetTypeName	KEYWORD2
+
+# Support functions for debuging
 PCD_DumpVersionToSerial	KEYWORD2
 PICC_DumpToSerial	KEYWORD2
+PICC_DumpDetailsToSerial	KEYWORD2
 PICC_DumpMifareClassicToSerial	KEYWORD2
 PICC_DumpMifareClassicSectorToSerial	KEYWORD2
 PICC_DumpMifareUltralightToSerial	KEYWORD2
+
+# Advanced functions for MIFARE
 MIFARE_SetAccessBits	KEYWORD2
 MIFARE_OpenUidBackdoor	KEYWORD2
 MIFARE_SetUid	KEYWORD2