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This commit is contained in:
iceman1001 2020-03-10 17:11:57 +01:00
commit 57788d5751
4 changed files with 230 additions and 321 deletions
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65
armsrc/hitag2.c
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@ -408,7 +408,7 @@ void fix_ac_decoding(uint8_t *input, size_t len) {
*/
// looks at number of received bits.
// looks at number of received bits.
// 0 = collision?
// 32 = good response
bool hitag_plain(uint8_t *rx, const size_t rxlen, uint8_t *tx, size_t *txlen, bool hitag_s) {
@ -582,15 +582,15 @@ bool hitag1_authenticate(uint8_t *rx, const size_t rxlen, uint8_t *tx, size_t *t
Dbhexdump(4, logdata_1, false);
bSuccessful = true;
return false;
/*
// read next page of card until done
tx[0] = 0xe0 | blocknr >> 4; // RDCPAGE
tx[1] = blocknr << 4;
crc = hitag_crc(tx, 12);
tx[1] |= crc >> 4;
tx[2] = crc << 4;
*txlen = 20;
*/
/*
// read next page of card until done
tx[0] = 0xe0 | blocknr >> 4; // RDCPAGE
tx[1] = blocknr << 4;
crc = hitag_crc(tx, 12);
tx[1] |= crc >> 4;
tx[2] = crc << 4;
*txlen = 20;
*/
}
}
break;
@ -1091,7 +1091,7 @@ void SimulateHitag2(bool tag_mem_supplied, uint8_t *data) {
uint32_t block = 0;
for (size_t i = 0; i < 12; i++) {
// num2bytes?
// num2bytes?
for (size_t j = 0; j < 4; j++) {
block <<= 8;
block |= tag.sectors[i][j];
@ -1105,30 +1105,30 @@ void SimulateHitag2(bool tag_mem_supplied, uint8_t *data) {
size_t nrzs = 0, periods = 0;
// uint32_t command_start = 0, command_duration = 0;
// int16_t checked = 0;
// int16_t checked = 0;
// SIMULATE
while (!BUTTON_PRESS()) {
LED_D_ON();
// lf_reset_counter();
LED_A_OFF();
WDT_HIT();
/*
// only every 1000th times, in order to save time when collecting samples.
if (checked == 100) {
if (data_available()) {
checked = -1;
break;
} else {
checked = 0;
}
}
++checked;
*/
/*
// only every 1000th times, in order to save time when collecting samples.
if (checked == 100) {
if (data_available()) {
checked = -1;
break;
} else {
checked = 0;
}
}
++checked;
*/
rxlen = 0;
@ -1220,8 +1220,8 @@ void SimulateHitag2(bool tag_mem_supplied, uint8_t *data) {
if (nrzs < 5) {
Dbprintf("Detected unexpected number of manchester decoded samples [%d]", nrzs);
continue;
} else {
for (size_t i = 0; i < 5; i++){
} else {
for (size_t i = 0; i < 5; i++) {
if (nrz_samples[i] != 1) {
Dbprintf("Detected incorrect header, the bit [%d] is zero instead of one", i);
}
@ -1229,7 +1229,7 @@ void SimulateHitag2(bool tag_mem_supplied, uint8_t *data) {
}
// Pack the response into a byte array
for (size_t i = 5; i < 37; i++){
for (size_t i = 5; i < 37; i++) {
uint8_t bit = nrz_samples[i];
rx[rxlen / 8] |= bit << (7 - (rxlen % 8));
rxlen++;
@ -1401,7 +1401,6 @@ void ReaderHitag(hitag_function htf, hitag_data *htd) {
// hitagS settings
t_wait_1 = 204;
t_wait_2 = 128;
/*tag_size = 256;*/
flipped_bit = 0;
tag_size = 8;
DBG DbpString("Configured for hitagS reader");
@ -1657,7 +1656,7 @@ void WriterHitag(hitag_function htf, hitag_data *htd, int page) {
uint32_t command_start = 0;
uint32_t command_duration = 0;
uint32_t response_start = 0;
uint32_t response_duration = 0;
uint32_t response_duration = 0;
uint8_t rx[HITAG_FRAME_LEN];
size_t rxlen = 0;
uint8_t txbuf[HITAG_FRAME_LEN];
@ -1731,14 +1730,14 @@ void WriterHitag(hitag_function htf, hitag_data *htd, int page) {
tag_size = 8;
DbpString("Configured for hitagS writer");
} else if (htf < 20) {
// hitag1 settings
// hitag1 settings
t_wait_1 = 204;
t_wait_2 = 128;
tag_size = 256;
flipped_bit = 0;
DbpString("Configured for hitag1 writer");
} else if (htf < 30) {
// hitag2 settings
// hitag2 settings
t_wait_1 = HITAG_T_WAIT_1_MIN;
t_wait_2 = HITAG_T_WAIT_2_MIN;
tag_size = 48;
@ -1783,7 +1782,7 @@ void WriterHitag(hitag_function htf, hitag_data *htd, int page) {
}
}
// Wait for t_wait_2 carrier periods after the last tag bit before transmitting,
// Wait for t_wait_2 carrier periods after the last tag bit before transmitting,
lf_wait_periods(t_wait_2);
command_start += t_wait_2;