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Fix. More flexible anti-collision frame check

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Eloff
2019-07-14 23:18:07 +03:00
parent 383d3327be
commit a28e359095
1 changed files with 2 additions and 1 deletions
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3
armsrc/mifaresim.c
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@@ -625,7 +625,8 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t *datain) {
}
// Incoming anti-collision frame
if (receivedCmd_len >= 2 && receivedCmd_len <= 6 && receivedCmd[1] == 0x50) {
// receivedCmd[1] indicates number of byte and bit collision, supports only for bit collision is zero
if (receivedCmd_len >= 3 && receivedCmd_len <= 6 && (receivedCmd[1] & 0x0f) == 0) {
// we can process only full-byte frame anti-collision procedure
if (memcmp(&receivedCmd[2], responses[uid_index].response, receivedCmd_len - 2) == 0) {
// response missing part of UID via relative array index