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chg: 'hf 14a sim' - send 4bit ACK/NACK responses

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This commit is contained in:
iceman1001 2019-03-17 21:52:14 +01:00
parent 65a45fe187
commit ca24b7ae74
1 changed files with 6 additions and 10 deletions
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16
armsrc/iso14443a.c
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@ -1138,8 +1138,7 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
uint8_t index = receivedCmd[1];
if (index > 2) {
// send NACK 0x0 == invalid argument
uint8_t nack[] = {0x00};
EmSendCmd(nack, sizeof(nack));
EmSend4bit(0x00);
} else {
uint8_t cmd[] = {0x00, 0x00, 0x00, 0x14, 0xa5};
num_to_bytes(counters[index], 3, cmd);
@ -1151,8 +1150,7 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
uint8_t index = receivedCmd[1];
if (index > 2) {
// send NACK 0x0 == invalid argument
uint8_t nack[] = {0x00};
EmSendCmd(nack, sizeof(nack));
EmSend4bit(0x00);
} else {
uint32_t val = bytes_to_num(receivedCmd + 2, 4);
@ -1160,13 +1158,12 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
// if new value + old value is bigger 24bits, fail
if (val + counters[index] > 0xFFFFFF) {
// send NACK 0x4 == counter overflow
uint8_t nack[] = {0x04};
EmSendCmd(nack, sizeof(nack));
EmSend4bit(CARD_NACK_NA);
} else {
counters[index] = val;
// send ACK
uint8_t ack[] = {0x0a};
EmSendCmd(ack, sizeof(ack));
EmSend4bit(CARD_ACK);
CARD_ACK
}
}
p_response = NULL;
@ -1176,8 +1173,7 @@ void SimulateIso14443aTag(int tagType, int flags, uint8_t *data) {
uint8_t index = receivedCmd[1];
if (index > 2) {
// send NACK 0x0 == invalid argument
uint8_t nack[] = {0x00};
EmSendCmd(nack, sizeof(nack));
EmSend4bit(0x00);
} else {
emlGetMemBt(emdata, 10 + index, 1);
AddCrc14A(emdata, sizeof(emdata) - 2);