From 94fc054277d121379fa7b5c03c75790f9e2450ef Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Sat, 24 Apr 2021 14:53:40 +0200
Subject: [PATCH] changed 'emv *' -  to try 14b if 14a fails.  <experimental>

---
 client/src/emv/emvcore.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/client/src/emv/emvcore.c b/client/src/emv/emvcore.c
index ef2ea5cda..c4b93d9a8 100644
--- a/client/src/emv/emvcore.c
+++ b/client/src/emv/emvcore.c
@@ -18,6 +18,7 @@
 #include "cmdsmartcard.h" // ExchangeAPDUSC
 #include "ui.h"
 #include "cmdhf14a.h"
+#include "cmdhf14b.h"
 #include "dol.h"
 #include "emv_tags.h"
 #include "emvjson.h"
@@ -301,7 +302,9 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
         case ECC_CONTACTLESS:
             res = ExchangeAPDU14a(data, datalen, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
             if (res) {
-                return res;
+                res = exchange_14b_apdu(data, datalen, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen, 4000);
+                if (res)
+                    return res;
             }
             break;
         case ECC_CONTACT: