RfidResearchGroup/proxmark3
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This commit is contained in:
iceman1001 2023-12-14 00:33:02 +01:00
parent ee1534103b
commit f4f832e121
1 changed files with 12 additions and 5 deletions
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17
armsrc/iso14443a.c
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@ -1942,8 +1942,10 @@ static void TransmitFor14443a(const uint8_t *cmd, uint16_t len, uint32_t *timing
else
PrepareDelayedTransfer(*timing & 0x00000007); // Delay transfer (fine tuning - up to 7 MF clock ticks)
if (g_dbglevel >= DBG_EXTENDED && GetCountSspClk() >= (*timing & 0xfffffff8))
if (g_dbglevel >= DBG_EXTENDED && GetCountSspClk() >= (*timing & 0xfffffff8)) {
Dbprintf("TransmitFor14443a: Missed timing");
}
while (GetCountSspClk() < (*timing & 0xfffffff8)) {}; // Delay transfer (multiple of 8 MF clock ticks)
LastTimeProxToAirStart = *timing;
} else {
@ -2298,7 +2300,7 @@ bool EmLogTrace(uint8_t *reader_data, uint16_t reader_len, uint32_t reader_Start
//-----------------------------------------------------------------------------
bool GetIso14443aAnswerFromTag_Thinfilm(uint8_t *receivedResponse, uint8_t *received_len) {
if (!g_hf_field_active) {
if (g_hf_field_active == false) {
Dbprintf("Warning: HF field is off, ignoring GetIso14443aAnswerFromTag_Thinfilm command");
return false;
}
@ -2346,8 +2348,10 @@ bool GetIso14443aAnswerFromTag_Thinfilm(uint8_t *receivedResponse, uint8_t *rec
// If it takes too long return FALSE
//-----------------------------------------------------------------------------
static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset) {
if (g_hf_field_active == false)
if (g_hf_field_active == false) {
Dbprintf("Warning: HF field is off, ignoring GetIso14443aAnswerFromTag command");
return false;
}
// Set FPGA mode to "reader listen mode", no modulation (listen
// only, since we are receiving, not transmitting).
@ -2911,8 +2915,8 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
}
/* Peter Fillmore 2015
Added card id field to the function
info from ISO14443A standard
Added card id field to the function info from ISO14443A standard
b1 = Block Number
b2 = RFU (always 1)
b3 = depends on block
@ -2920,14 +2924,17 @@ b4 = Card ID following if set to 1
b5 = depends on block type
b6 = depends on block type
b7,b8 = block type.
Coding of I-BLOCK:
b8 b7 b6 b5 b4 b3 b2 b1
0 0 0 x x x 1 x
b5 = chaining bit
Coding of R-block:
b8 b7 b6 b5 b4 b3 b2 b1
1 0 1 x x 0 1 x
b5 = ACK/NACK
Coding of S-block:
b8 b7 b6 b5 b4 b3 b2 b1
1 1 x x x 0 1 0