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Mifare Ultralight/NTAG simulation. Add WRITE and COMPATIBLE_WRITE support

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This commit is contained in:
Eloff 2019-04-03 20:56:15 +03:00
commit 19cf50a6ff
3 changed files with 23 additions and 1 deletions
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18
armsrc/iso14443a.c
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@ -1126,6 +1126,24 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
AddCrc14A(emdata, len);
EmSendCmd(emdata, len + 2);
p_response = NULL;
} else if ((receivedCmd[0] == MIFARE_ULC_WRITE || receivedCmd[0] == MIFARE_ULC_COMP_WRITE) && (tagType == 2 || tagType == 7)) { // Received a WRITE
// cmd + block + 4/16 bytes data + 2 bytes crc
if (len == 8 || len == 20) {
bool isCrcCorrect = CheckCrc14A(receivedCmd, len);
if (isCrcCorrect) {
int block = receivedCmd[1] + 12; // first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
emlSetMem_xt(&receivedCmd[2], block, 1, 4);
// send ACK
EmSend4bit(CARD_ACK);
} else {
// send NACK 0x1 == crc/parity error
EmSend4bit(CARD_NACK_PA);
}
} else {
// send NACK 0x0 == invalid argument
EmSend4bit(CARD_NACK_IV);
}
p_response = NULL;
} else if (receivedCmd[0] == MIFARE_ULEV1_READSIG && tagType == 7) { // Received a READ SIGNATURE --
// first 12 blocks of emu are [getversion answer - check tearing - pack - 0x00 - signature]
uint16_t start = 4 * 4;