From 10f9a3d2b01bdb4056382a3954302c1cf76b0fe0 Mon Sep 17 00:00:00 2001
From: Romuald Conty <romuald@libnfc.org>
Date: Thu, 30 Sep 2010 08:37:46 +0000
Subject: [PATCH] PN531 and PN533 does not support NTM_PICC mode

---
 libnfc/chips/pn53x.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libnfc/chips/pn53x.c b/libnfc/chips/pn53x.c
index 9a4fcc4..43bacb3 100644
--- a/libnfc/chips/pn53x.c
+++ b/libnfc/chips/pn53x.c
@@ -953,6 +953,11 @@ pn53x_target_init (nfc_device_t * pnd, nfc_target_mode_t tm, byte_t * pbtRx, siz
     break;
 
     case NTM_PICC:
+      if(pnd->nc != NC_PN532) {
+        // This mode is not supported by pn531 neither pn533
+        pnd->iLastError = DENOTSUP;
+        return false;
+      }
       pn53x_set_parameters(pnd,SYMBOL_PARAM_fISO14443_4_PICC);
       pn53x_configure(pnd,NDO_EASY_FRAMING,false);
     break;