libnfc/examples/pn53x-diagnose.c
2011-05-25 19:53:45 +00:00

114 lines
4 KiB
C

/*-
* Public platform independent Near Field Communication (NFC) library examples
*
* Copyright (C) 2010, Romuald Conty
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2 )Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Note that this license only applies on the examples, NFC library itself is under LGPL
*
*/
/**
* @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-utils.h"
#include "chips/pn53x.h"
#include "chips/pn53x-internal.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[PN53x_EXTENDED_FRAME__DATA_MAX_LEN];
size_t szRx = sizeof(abtRx);
const byte_t pncmd_diagnose_communication_line_test[] = { Diagnose, 0x00, 0x06, 'l', 'i', 'b', 'n', 'f', 'c' };
const byte_t pncmd_diagnose_rom_test[] = { Diagnose, 0x01 };
const byte_t pncmd_diagnose_ram_test[] = { Diagnose, 0x02 };
if (argc > 1) {
errx (1, "usage: %s", argv[0]);
}
// Display libnfc version
acLibnfcVersion = nfc_version ();
printf ("%s uses 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) {
printf ("No NFC device found.\n");
}
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 = pn53x_transceive (pnd, pncmd_diagnose_communication_line_test, sizeof (pncmd_diagnose_communication_line_test), abtRx, &szRx);
if (result) {
result = (memcmp (pncmd_diagnose_communication_line_test + 1, abtRx, sizeof (pncmd_diagnose_communication_line_test) - 1) == 0);
} else {
nfc_perror (pnd, "pn53x_transceive");
}
printf (" Communication line test: %s\n", result ? "OK" : "Failed");
result = pn53x_transceive (pnd, pncmd_diagnose_rom_test, sizeof (pncmd_diagnose_rom_test), abtRx, &szRx);
if (result) {
result = ((szRx == 1) && (abtRx[0] == 0x00));
} else {
nfc_perror (pnd, "pn53x_transceive");
}
printf (" ROM test: %s\n", result ? "OK" : "Failed");
result = pn53x_transceive (pnd, pncmd_diagnose_ram_test, sizeof (pncmd_diagnose_ram_test), abtRx, &szRx);
if (result) {
result = ((szRx == 1) && (abtRx[0] == 0x00));
} else {
nfc_perror (pnd, "pn53x_transceive");
}
printf (" RAM test: %s\n", result ? "OK" : "Failed");
}
}