Added new example, PN53x chips will now emulate NDEF tag! not in build-script yet

examples/nfc-emulate-ndef.c

@@ -0,0 +1,107 @@
+/*-
+ * Public platform independent Near Field Communication (NFC) library
+ *
+ * Copyright (C) 2009, Roel Verdult
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * @file nfc-emulate.c
+ * @brief
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif // HAVE_CONFIG_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <nfc/nfc.h>
+
+#include <nfc/nfc-messages.h>
+#include "nfc-utils.h"
+
+#define MAX_FRAME_LEN 264
+
+static byte_t abtRx[MAX_FRAME_LEN];
+static size_t szRxLen;
+static nfc_device_t *pnd;
+static bool quiet_output = false;
+
+#define SYMBOL_PARAM_fISO14443_4_PICC   0x20
+
+bool
+transmit_bytes (const byte_t * pbtTx, const size_t szTxLen)
+{
+  // Show transmitted command
+  if (!quiet_output) {
+    printf ("Tx: ");
+    print_hex (pbtTx, szTxLen);
+  }
+
+  // Transmit the command bytes
+  pn53x_set_parameters(pnd,0);
+  if (!nfc_target_send_bytes(pnd, pbtTx, szTxLen))
+    return false;
+  pn53x_set_parameters(pnd,SYMBOL_PARAM_fISO14443_4_PICC);
+
+  if (!pn53x_target_receive_bytes(pnd,abtRx,&szRxLen))
+    return false;
+
+  // Show received answer
+  if (!quiet_output) {
+    printf ("Rx: ");
+    print_hex (abtRx, szRxLen);
+  }
+  // Succesful transfer
+  return true;
+}
+
+int
+main (int argc, char *argv[])
+{
+  // Try to open the NFC reader
+  pnd = nfc_connect (NULL);
+
+  if (pnd == NULL) {
+    printf ("Error connecting NFC reader\n");
+    return 1;
+  }
+
+  printf ("[+] Connected to NFC reader: %s\n", pnd->acName);
+  printf ("[+] Emulating NDEF tag now, please touch it with a second NFC device\n");
+  if (!nfc_target_init (pnd, NTM_PICC, abtRx, &szRxLen)) {
+    printf ("Error: Could not come out of auto-emulation, no command was received\n");
+    return 1;
+  }
+
+  transmit_bytes("\x0a\x00\x6a\x87",4);
+  transmit_bytes("\x0b\x00\x6a\x87",4);
+  transmit_bytes("\x0a\x00\x90\x00",4);
+  transmit_bytes("\x0b\x00\x90\x00",4);
+  transmit_bytes("\x0a\x00\x00\x0f\x10\x00\x3b\x00\x34\x04\x06\xe1\x04\x0e\xe0\x00\x00\x90\x00",19);
+  transmit_bytes("\x0b\x00\x90\x00",4);
+  transmit_bytes("\x0a\x00\x00\x21\x90\x00",6);
+  transmit_bytes("\x0b\x00\xd1\x02\x1c\x53\x70\x91\x01\x09\x54\x02\x65\x6e\x4c\x69\x62\x6e\x66\x63\x51\x01\x0b\x55\x03\x6c\x69\x62\x6e\x66\x63\x2e\x6f\x72\x67\x90\x00",37);
+  transmit_bytes("\xca\x00",2);
+
+  nfc_disconnect(pnd);
+  exit (EXIT_SUCCESS);
+}
+

examples/nfc-emulate.c

@@ -106,7 +106,7 @@ main (int argc, char *argv[])
   printf ("[+] Try to break out the auto-emulation, this requires a second reader!\n");
   printf ("[+] To do this, please send any command after the anti-collision\n");
   printf ("[+] For example, send a RATS command or use the \"nfc-anticol\" tool\n");
-  if (!nfc_target_init (pnd, abtRecv, &szRecvBits)) {
+  if (!nfc_target_init (pnd, NTM_PASSIVE, abtRecv, &szRecvBits)) {
     printf ("Error: Could not come out of auto-emulation, no command was received\n");
     return 1;
   }

examples/nfc-relay.c

@@ -125,7 +125,7 @@ main (int argc, char *argv[])
   printf ("[+] Try to break out the auto-emulation, this requires a second reader!\n");
   printf ("[+] To do this, please send any command after the anti-collision\n");
   printf ("[+] For example, send a RATS command or use the \"nfc-anticol\" tool\n");
-  if (!nfc_target_init (pndTag, abtReaderRx, &szReaderRxBits)) {
+  if (!nfc_target_init (pndTag, NTM_PASSIVE, abtReaderRx, &szReaderRxBits)) {
     ERR ("%s", "Initialization of NFC emulator failed");
     nfc_disconnect (pndTag);
     return EXIT_FAILURE;

examples/nfc-sam.c

@@ -207,7 +207,7 @@ main (int argc, const char *argv[])
 
       // FIXME: it does not work as expected...Probably the issue is in "nfc_target_init"
       // which doesn't provide a way to set custom data for SENS_RES, NFCID1, SEL_RES, etc.
-      if (!nfc_target_init (pnd, abtRx, &szRxLen))
+      if (!nfc_target_init (pnd, NTM_PICC, abtRx, &szRxLen))
         return EXIT_FAILURE;
 
       printf ("Now both the NFC reader and SAM are readable for 1 minute from an external reader.\n");

examples/nfcip-target.c

@@ -59,7 +59,7 @@ main (int argc, const char *argv[])
     errx (1, "usage: %s", argv[0]);
   }
 
-  if (!pnd || !nfc_target_init (pnd, abtRecv, &szRecvBits)) {
+  if (!pnd || !nfc_target_init (pnd, NTM_DEP, abtRecv, &szRecvBits)) {
     printf ("unable to connect or initialize\n");
     return 1;
   }