From ced2555bc47cfcda366370143850f177e83e6312 Mon Sep 17 00:00:00 2001
From: Marcos Vives Del Sol <socram8888@gmail.com>
Date: Fri, 12 Jun 2015 21:02:36 +0200
Subject: [PATCH] Added selftest support for FM17522

---
 MFRC522.cpp |  3 +++
 MFRC522.h   | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/MFRC522.cpp b/MFRC522.cpp
index db466ab..306708f 100644
--- a/MFRC522.cpp
+++ b/MFRC522.cpp
@@ -323,6 +323,9 @@ bool MFRC522::PCD_PerformSelfTest() {
 	// Pick the appropriate reference values
 	const byte *reference;
 	switch (version) {
+		case 0x88:  // Fudan Semiconductor FM17522 clone
+			reference = FM17522_firmware_reference;
+			break;
 		case 0x91:	// Version 1.0
 			reference = MFRC522_firmware_referenceV1_0;
 			break;
diff --git a/MFRC522.h b/MFRC522.h
index d2c00da..48aa73b 100644
--- a/MFRC522.h
+++ b/MFRC522.h
@@ -102,6 +102,17 @@ const byte MFRC522_firmware_referenceV2_0[] PROGMEM = {
 	0x86, 0x96, 0x83, 0x38, 0xCF, 0x9D, 0x5B, 0x6D,
 	0xDC, 0x15, 0xBA, 0x3E, 0x7D, 0x95, 0x3B, 0x2F
 };
+// Fudan Semiconductor FM17522
+const byte FM17522_firmware_reference[] PROGMEM = {
+	0x00, 0xD6, 0x78, 0x8C, 0xE2, 0xAA, 0x0C, 0x18,
+	0x2A, 0xB8, 0x7A, 0x7F, 0xD3, 0x6A, 0xCF, 0x0B,
+	0xB1, 0x37, 0x63, 0x4B, 0x69, 0xAE, 0x91, 0xC7,
+	0xC3, 0x97, 0xAE, 0x77, 0xF4, 0x37, 0xD7, 0x9B,
+	0x7C, 0xF5, 0x3C, 0x11, 0x8F, 0x15, 0xC3, 0xD7,
+	0xC1, 0x5B, 0x00, 0x2A, 0xD0, 0x75, 0xDE, 0x9E,
+	0x51, 0x64, 0xAB, 0x3E, 0xE9, 0x15, 0xB5, 0xAB,
+	0x56, 0x9A, 0x98, 0x82, 0x26, 0xEA, 0x2A, 0x62
+};
 
 class MFRC522 {
 public: