Add a small example to diagnose basic elements (communication, rom and ram) of pn53x.

examples/Makefile.am

@@ -1,4 +1,4 @@
-bin_PROGRAMS = nfc-anticol nfc-list nfc-mfclassic nfc-mfultralight nfc-relay nfc-emulate nfcip-target nfcip-initiator nfc-poll
+bin_PROGRAMS = nfc-anticol nfc-list nfc-mfclassic nfc-mfultralight nfc-relay nfc-emulate nfcip-target nfcip-initiator nfc-poll pn53x-diagnose
 
 # set the include path found by configure
 INCLUDES= $(all_includes) $(LIBNFC_CFLAGS)
@@ -42,6 +42,10 @@ nfcip_target_LDADD = $(top_builddir)/libnfc/libnfc.la
 nfcip_initiator_SOURCES = nfcip-initiator.c
 nfcip_initiator_LDADD = $(top_builddir)/libnfc/libnfc.la
 
+pn53x_diagnose_SOURCES = pn53x-diagnose.c
+pn53x_diagnose_LDADD = $(top_builddir)/libnfc/libnfc.la \
+		    libnfcutils.la
+
 dist_man_MANS = nfc-anticol.1 nfc-emulate.1 nfc-list.1 nfc-mfclassic.1 nfc-mfultralight.1 nfc-relay.1
 
 EXTRA_DIST = CMakeLists.txt

examples/nfc-list.c

@@ -19,7 +19,7 @@
 
 /**
  * @file nfc-list.c
- * @brief
+ * @brief List the first target present of each founded device
  */
 
 #ifdef HAVE_CONFIG_H

examples/pn53x-diagnose.c

@@ -0,0 +1,99 @@
+/*-
+ * Public platform independent Near Field Communication (NFC) library
+ * 
+ * Copyright (C) 2010, Romuald Conty
+ * 
+ * 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 pn53x-diagnose.c
+ * @brief Small application to diagnose PN53x using dedicated commands
+ */
+#include <err.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <nfc/nfc.h>
+#include <nfc/nfc-messages.h>
+
+#include "nfc-utils.h"
+#include "chips/pn53x.h"
+
+#define MAX_DEVICE_COUNT 16
+
+
+int main(int argc, const char* argv[])
+{
+  size_t szFound;
+  size_t i;
+  nfc_device_t* pnd;
+  nfc_device_desc_t *pnddDevices;
+  const char* acLibnfcVersion;
+  bool result;
+
+  byte_t abtRx[MAX_FRAME_LEN];
+  size_t szRxLen;
+  const byte_t pncmd_diagnose_communication_line_test[] = { 0xD4, 0x00, 0x00, 0x06, 'l', 'i', 'b', 'n', 'f', 'c' };
+  const byte_t pncmd_diagnose_rom_test[] = { 0xD4, 0x00, 0x01 };
+  const byte_t pncmd_diagnose_ram_test[] = { 0xD4, 0x00, 0x02 };
+
+  if (argc > 1) {
+    errx (1, "usage: %s", argv[0]);
+  }
+
+  // Display libnfc version
+  acLibnfcVersion = nfc_version();
+  printf("%s use libnfc %s\n", argv[0], acLibnfcVersion);
+
+  if (!(pnddDevices = malloc (MAX_DEVICE_COUNT * sizeof (*pnddDevices)))) {
+    fprintf (stderr, "malloc() failed\n");
+    return EXIT_FAILURE;
+  }
+
+  nfc_list_devices (pnddDevices, MAX_DEVICE_COUNT, &szFound);
+
+  if (szFound == 0) {
+    INFO("%s", "No device found.");
+  }
+
+  for (i = 0; i < szFound; i++) {
+    pnd = nfc_connect(&(pnddDevices[i]));
+
+    if (pnd == NULL) {
+      ERR("%s", "Unable to connect to NFC device.");
+      return EXIT_FAILURE;
+    }
+
+    printf("NFC device [%s] connected.\n",pnd->acName);
+
+    result = pnd->pdc->transceive(pnd->nds,pncmd_diagnose_communication_line_test,sizeof(pncmd_diagnose_communication_line_test),abtRx,&szRxLen);
+    if ( result ) {
+      result = (memcmp(pncmd_diagnose_communication_line_test+2, abtRx, sizeof(pncmd_diagnose_communication_line_test)-2 ) == 0);
+    }
+    printf(" Communication line test: %s\n", result ? "OK" : "Failed");
+
+    result = pnd->pdc->transceive(pnd->nds,pncmd_diagnose_rom_test,sizeof(pncmd_diagnose_rom_test),abtRx,&szRxLen);
+    if ( result ) {
+      result = ((szRxLen == 1) && (abtRx[0] == 0x00));
+    }
+    printf(" ROM test: %s\n", result ? "OK" : "Failed");
+
+    result = pnd->pdc->transceive(pnd->nds,pncmd_diagnose_ram_test,sizeof(pncmd_diagnose_ram_test),abtRx,&szRxLen);
+    if ( result ) {
+      result = ((szRxLen == 1) && (abtRx[0] == 0x00));
+    }
+    printf(" RAM test: %s\n", result ? "OK" : "Failed");
+  }
+}