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merlokk 2017-11-01 18:05:22 +02:00
commit c871d243f3
1 changed files with 2 additions and 5 deletions
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7
armsrc/iso14443a.c
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@ -1820,11 +1820,8 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
p_hi14a_card->sak = sak;
}
// non iso14443a compliant tag
// https://www.nxp.com/docs/en/application-note/AN10834.pdf page 7
if( (sak & 0x20) != 0) return 2;
if (!no_rats) {
// PICC compilant with iso14443a-4 ---> (SAK & 0x20 != 0)
if (sak & 0x20 && !no_rats) {
// Request for answer to select
AppendCrc14443a(rats, 2);
ReaderTransmit(rats, sizeof(rats), NULL);