From eeaad85151d7521438604d32c79763d0165e8363 Mon Sep 17 00:00:00 2001
From: Romuald Conty <romuald@libnfc.org>
Date: Tue, 17 Aug 2010 15:24:37 +0000
Subject: [PATCH] Add SAK decoding for compliance with ISO/IEC.

---
 examples/nfc-utils.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/examples/nfc-utils.c b/examples/nfc-utils.c
index 95b01e1..46fe5c7 100644
--- a/examples/nfc-utils.c
+++ b/examples/nfc-utils.c
@@ -84,6 +84,9 @@ void print_hex_par(const byte_t* pbtData, const size_t szBits, const byte_t* pbt
   printf("\n");
 }
 
+#define SAK_ISO14443_4_COMPLIANT 0x20
+#define SAK_ISO18092_COMPLIANT   0x40
+
 void print_nfc_iso14443a_info(const nfc_iso14443a_info_t nai)
 {
   printf("    ATQA (SENS_RES): "); print_hex(nai.abtAtqa,2);
@@ -93,6 +96,12 @@ void print_nfc_iso14443a_info(const nfc_iso14443a_info_t nai)
     printf("          ATS (ATR): ");
     print_hex(nai.abtAts, nai.szAtsLen);
   }
+  if ( (nai.btSak & SAK_ISO14443_4_COMPLIANT) || (nai.btSak & SAK_ISO18092_COMPLIANT) ) {
+    printf("     Compliant with: ");
+    if (nai.btSak & SAK_ISO14443_4_COMPLIANT) printf("ISO/IEC 14443-4 ");
+    if (nai.btSak & SAK_ISO18092_COMPLIANT) printf("ISO/IEC 18092");
+    printf("\n");
+  }
 }
 
 /**