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examples/nfc-utils: decode more ATS info

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This commit is contained in:
Romuald Conty 2010-10-14 14:48:59 +00:00
parent 507a23b708
commit 7294e4fbaf
2 changed files with 27 additions and 1 deletions
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27
examples/nfc-utils.c
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@ -113,6 +113,33 @@ print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai)
printf (" ATS (ATR): ");
print_hex (nai.abtAts, nai.szAtsLen);
}
if (nai.szAtsLen) {
// Decode ATS according to ISO/IEC 14443-4 (5.2 Answer to select)
printf (" T0: " );
size_t offset = 1;
if (nai.abtAts[0] & 0x10) { // TA
printf ("TA=%02x ", nai.abtAts[offset]);
offset++;
}
if (nai.abtAts[0] & 0x20) { // TB
printf ("TB=%02x ", nai.abtAts[offset]);
offset++;
}
if (nai.abtAts[0] & 0x40) { // TC
printf ("TC=%02x ", nai.abtAts[offset]);
offset++;
}
printf ("\n");
if (nai.szAtsLen > offset) {
// XXX More decoding can be done following ISO/IEC 7816-4 (8.1.1 Historical bytes)
printf (" T1: %02x\n", nai.abtAts[offset] );
offset++;
if (nai.szAtsLen > offset) {
printf (" Tk: " );
print_hex (nai.abtAts + offset, (nai.szAtsLen - offset));
}
}
}
if ((nai.btSak & SAK_ISO14443_4_COMPLIANT) || (nai.btSak & SAK_ISO18092_COMPLIANT)) {
printf (" Compliant with: ");
if (nai.btSak & SAK_ISO14443_4_COMPLIANT)