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fix bcc incorrect

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This commit is contained in:
Ray Lee 2021-08-22 20:48:54 +08:00
parent 30c9572a0e
commit 3d93a10ad0
1 changed files with 1 additions and 1 deletions
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2
armsrc/iso14443a.c
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@ -2537,7 +2537,7 @@ int iso14443a_select_card(uint8_t *uid_ptr, iso14a_card_select_t *p_card, uint32
}
// finally, add the last bits and BCC of the UID
for (uint16_t i = collision_answer_offset; i < (Demod.len - 1) * 8; i++, uid_resp_bits++) {
for (uint16_t i = collision_answer_offset; i < Demod.len * 8; i++, uid_resp_bits++) {
uint16_t UIDbit = (resp[i / 8] >> (i % 8)) & 0x01;
uid_resp[uid_resp_bits / 8] |= UIDbit << (uid_resp_bits % 8);
}