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nfc-emulate-ndef: minor clean up, improve error debugging.

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This commit is contained in:
Romuald Conty 2010-09-29 15:26:17 +00:00
parent 4d880e6ce8
commit 3cd0860203
1 changed files with 15 additions and 10 deletions
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25
examples/nfc-emulate-ndef.c
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@ -1,7 +1,7 @@
/*-
* Public platform independent Near Field Communication (NFC) library
*
* Copyright (C) 2009, Roel Verdult
* Copyright (C) 2010, 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
@ -18,8 +18,8 @@
*/
/**
* @file nfc-emulate.c
* @brief
* @file nfc-emulate-ndef.c
* @brief Emulate a NFC Forum Tag Type 4 with a NDEF message
*/
#ifdef HAVE_CONFIG_H
@ -57,12 +57,16 @@ transmit_bytes (const byte_t * pbtTx, const size_t szTxLen)
// Transmit the command bytes
pn53x_set_parameters(pnd,0);
if (!nfc_target_send_bytes(pnd, pbtTx, szTxLen))
if (!nfc_target_send_bytes(pnd, pbtTx, szTxLen)) {
nfc_perror (pnd, "nfc_target_send_bytes");
return false;
}
pn53x_set_parameters(pnd,SYMBOL_PARAM_fISO14443_4_PICC);
if (!pn53x_target_receive_bytes(pnd,abtRx,&szRxLen))
if (!pn53x_target_receive_bytes(pnd,abtRx,&szRxLen)) {
nfc_perror (pnd, "pn53x_target_receive_bytes");
return false;
}
// Show received answer
if (!quiet_output) {
@ -80,15 +84,16 @@ main (int argc, char *argv[])
pnd = nfc_connect (NULL);
if (pnd == NULL) {
printf ("Error connecting NFC reader\n");
return 1;
ERR("Unable to connect to NFC device");
return EXIT_FAILURE;
}
printf ("[+] Connected to NFC reader: %s\n", pnd->acName);
printf ("[+] Connected to NFC device: %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;
nfc_perror (pnd, "nfc_target_init");
ERR("Could not come out of auto-emulation, no command was received");
return EXIT_FAILURE;
}
transmit_bytes("\x0a\x00\x6a\x87",4);