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nfc-anticol: Computes CRC rather than hardcoded one. psst: r800 \o/

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Philippe Teuwen 2010-10-26 15:01:46 +00:00
parent 7b29e44698
commit 26de9d3a69
1 changed files with 6 additions and 3 deletions
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9
examples/nfc-anticol.c
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@ -57,8 +57,8 @@ bool quiet_output = false;
byte_t abtReqa[1] = { 0x26 }; byte_t abtReqa[1] = { 0x26 };
byte_t abtSelectAll[2] = { 0x93, 0x20 }; byte_t abtSelectAll[2] = { 0x93, 0x20 };
byte_t abtSelectTag[9] = { 0x93, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte_t abtSelectTag[9] = { 0x93, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
byte_t abtRats[4] = { 0xe0, 0x50, 0xbc, 0xa5 }; byte_t abtRats[4] = { 0xe0, 0x50, 0x00, 0x00 };
byte_t abtHalt[4] = { 0x50, 0x00, 0x57, 0xcd }; byte_t abtHalt[4] = { 0x50, 0x00, 0x00, 0x00 };
#define CASCADE_BIT 0x04 #define CASCADE_BIT 0x04
static bool static bool
@ -275,10 +275,13 @@ main (int argc, char *argv[])
} }
// Request ATS, this only applies to tags that support ISO 14443A-4 // Request ATS, this only applies to tags that support ISO 14443A-4
if (abtRx[0] & SAK_FLAG_ATS_SUPPORTED) if (abtRx[0] & SAK_FLAG_ATS_SUPPORTED) {
append_iso14443a_crc(abtRats, 2);
transmit_bytes (abtRats, 4); transmit_bytes (abtRats, 4);
}
// Done, halt the tag now // Done, halt the tag now
append_iso14443a_crc(abtHalt, 2);
transmit_bytes (abtHalt, 4); transmit_bytes (abtHalt, 4);
printf ("\nFound tag with\n UID: "); printf ("\nFound tag with\n UID: ");