#define IsMillerModulationNibble1(b) (Mod_Miller_LUT[(b & 0x000000F0) >> 4])
#define IsMillerModulationNibble2(b) (Mod_Miller_LUT[(b & 0x0000000F)])
-static void UartReset()
-{
+static void UartReset() {
Uart.state = STATE_UNSYNCD;
Uart.bitCount = 0;
Uart.len = 0; // number of decoded data bytes
Uart.parityBits = 0; // holds 8 parity bits
}
-static void UartInit(uint8_t *data, uint8_t *parity)
-{
+static void UartInit(uint8_t *data, uint8_t *parity) {
Uart.output = data;
Uart.parity = parity;
Uart.fourBits = 0x00000000; // clear the buffer for 4 Bits
}
// use parameter non_real_time to provide a timestamp. Set to 0 if the decoder should measure real time
-static RAMFUNC bool MillerDecoding(uint8_t bit, uint32_t non_real_time)
-{
+static RAMFUNC bool MillerDecoding(uint8_t bit, uint32_t non_real_time) {
Uart.fourBits = (Uart.fourBits << 8) | bit;
#define IsManchesterModulationNibble2(b) (Mod_Manchester_LUT[(b & 0x000F)])
-static void DemodReset()
-{
+static void DemodReset() {
Demod.state = DEMOD_UNSYNCD;
Demod.len = 0; // number of decoded data bytes
Demod.parityLen = 0;
Demod.endTime = 0;
}
-static void DemodInit(uint8_t *data, uint8_t *parity)
-{
+static void DemodInit(uint8_t *data, uint8_t *parity) {
Demod.output = data;
Demod.parity = parity;
DemodReset();
}
// use parameter non_real_time to provide a timestamp. Set to 0 if the decoder should measure real time
-static RAMFUNC int ManchesterDecoding(uint8_t bit, uint16_t offset, uint32_t non_real_time)
-{
+static RAMFUNC int ManchesterDecoding(uint8_t bit, uint16_t offset, uint32_t non_real_time) {
Demod.twoBits = (Demod.twoBits << 8) | bit;
//-----------------------------------------------------------------------------
// Prepare tag messages
//-----------------------------------------------------------------------------
-static void CodeIso14443aAsTagPar(const uint8_t *cmd, uint16_t len, uint8_t *parity)
-{
+static void CodeIso14443aAsTagPar(const uint8_t *cmd, uint16_t len, uint8_t *parity) {
ToSendReset();
// Correction bit, might be removed when not needed
}
-static void Code4bitAnswerAsTag(uint8_t cmd)
-{
+static void Code4bitAnswerAsTag(uint8_t cmd) {
int i;
ToSendReset();
// Stop when button is pressed
// Or return true when command is captured
//-----------------------------------------------------------------------------
-static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *parity, int *len)
-{
+static int GetIso14443aCommandFromReader(uint8_t *received, uint8_t *parity, int *len) {
// Set FPGA mode to "simulated ISO 14443 tag", no modulation (listen
// only, since we are receiving, not transmitting).
// Signal field is off with the appropriate LED
// Main loop of simulated tag: receive commands from reader, decide what
// response to send, and send it.
//-----------------------------------------------------------------------------
-void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data)
-{
+void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd, byte_t* data) {
+
uint8_t sak;
// The first response contains the ATQA (note: bytes are transmitted in reverse order).
// prepare a delayed transfer. This simply shifts ToSend[] by a number
// of bits specified in the delay parameter.
-static void PrepareDelayedTransfer(uint16_t delay)
-{
+static void PrepareDelayedTransfer(uint16_t delay) {
uint8_t bitmask = 0;
uint8_t bits_to_shift = 0;
uint8_t bits_shifted = 0;
// if == 0: transfer immediately and return time of transfer
// if != 0: delay transfer until time specified
//-------------------------------------------------------------------------------------
-static void TransmitFor14443a(const uint8_t *cmd, uint16_t len, uint32_t *timing)
-{
+static void TransmitFor14443a(const uint8_t *cmd, uint16_t len, uint32_t *timing) {
LED_B_ON();
LED_D_ON();
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
uint32_t ThisTransferTime = 0;
if (timing) {
- if(*timing == 0) { // Measure time
+ if (*timing == 0) { // Measure time
*timing = (GetCountSspClk() + 8) & 0xfffffff8;
} else {
PrepareDelayedTransfer(*timing & 0x00000007); // Delay transfer (fine tuning - up to 7 MF clock ticks)
}
- if(MF_DBGLEVEL >= 4 && GetCountSspClk() >= (*timing & 0xfffffff8)) Dbprintf("TransmitFor14443a: Missed timing");
+ if (MF_DBGLEVEL >= 4 && GetCountSspClk() >= (*timing & 0xfffffff8)) Dbprintf("TransmitFor14443a: Missed timing");
while (GetCountSspClk() < (*timing & 0xfffffff8)); // Delay transfer (multiple of 8 MF clock ticks)
LastTimeProxToAirStart = *timing;
} else {
LastTimeProxToAirStart = ThisTransferTime;
}
- // clear TXRDY
- AT91C_BASE_SSC->SSC_THR = SEC_Y;
-
uint16_t c = 0;
for (;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
c++;
if(c >= len) {
//-----------------------------------------------------------------------------
// Prepare reader command (in bits, support short frames) to send to FPGA
//-----------------------------------------------------------------------------
-static void CodeIso14443aBitsAsReaderPar(const uint8_t *cmd, uint16_t bits, const uint8_t *parity)
-{
+static void CodeIso14443aBitsAsReaderPar(const uint8_t *cmd, uint16_t bits, const uint8_t *parity) {
int i, j;
int last;
uint8_t b;
// Stop when button is pressed (return 1) or field was gone (return 2)
// Or return 0 when command is captured
//-----------------------------------------------------------------------------
-int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity)
-{
+int EmGetCmd(uint8_t *received, uint16_t *len, uint8_t *parity) {
uint32_t field_off_time = -1;
uint32_t samples = 0;
int ret = 0;
}
-static int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen)
-{
+static int EmSendCmd14443aRaw(uint8_t *resp, uint16_t respLen) {
LED_C_ON();
uint8_t b;
// If a response is captured return true
// If it takes too long return false
//-----------------------------------------------------------------------------
-static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset)
-{
+static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receivedResponsePar, uint16_t offset) {
uint32_t c;
// Set FPGA mode to "reader listen mode", no modulation (listen
for (;;) {
WDT_HIT();
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
+ if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
b = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
- if(ManchesterDecoding(b, offset, 0)) {
+ if (ManchesterDecoding(b, offset, 0)) {
NextTransferTime = MAX(NextTransferTime, Demod.endTime - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/16 + FRAME_DELAY_TIME_PICC_TO_PCD);
return true;
} else if (c++ > iso14a_timeout && Demod.state == DEMOD_UNSYNCD) {
}
-void ReaderTransmitBitsPar(uint8_t* frame, uint16_t bits, uint8_t *par, uint32_t *timing)
-{
+void ReaderTransmitBitsPar(uint8_t* frame, uint16_t bits, uint8_t *par, uint32_t *timing) {
+
CodeIso14443aBitsAsReaderPar(frame, bits, par);
// Send command to tag
TransmitFor14443a(ToSend, ToSendMax, timing);
- if(trigger)
+ if (trigger)
LED_A_ON();
// Log reader command in trace buffer
}
-void ReaderTransmitPar(uint8_t* frame, uint16_t len, uint8_t *par, uint32_t *timing)
-{
- ReaderTransmitBitsPar(frame, len*8, par, timing);
+void ReaderTransmitPar(uint8_t* frame, uint16_t len, uint8_t *par, uint32_t *timing) {
+ ReaderTransmitBitsPar(frame, len*8, par, timing);
}
-static void ReaderTransmitBits(uint8_t* frame, uint16_t len, uint32_t *timing)
-{
+static void ReaderTransmitBits(uint8_t* frame, uint16_t len, uint32_t *timing) {
// Generate parity and redirect
uint8_t par[MAX_PARITY_SIZE];
GetParity(frame, len/8, par);
}
-void ReaderTransmit(uint8_t* frame, uint16_t len, uint32_t *timing)
-{
+void ReaderTransmit(uint8_t* frame, uint16_t len, uint32_t *timing) {
// Generate parity and redirect
uint8_t par[MAX_PARITY_SIZE];
GetParity(frame, len, par);
}
-static int ReaderReceiveOffset(uint8_t* receivedAnswer, uint16_t offset, uint8_t *parity)
-{
+static int ReaderReceiveOffset(uint8_t* receivedAnswer, uint16_t offset, uint8_t *parity) {
if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, offset)) return false;
LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, false);
return Demod.len;
}
-int ReaderReceive(uint8_t *receivedAnswer, uint8_t *parity)
-{
+int ReaderReceive(uint8_t *receivedAnswer, uint8_t *parity) {
if (!GetIso14443aAnswerFromTag(receivedAnswer, parity, 0)) return false;
+
LogTrace(receivedAnswer, Demod.len, Demod.startTime*16 - DELAY_AIR2ARM_AS_READER, Demod.endTime*16 - DELAY_AIR2ARM_AS_READER, parity, false);
return Demod.len;
}
static int GetATQA(uint8_t *resp, uint8_t *resp_par) {
#define WUPA_RETRY_TIMEOUT 10 // 10ms
- uint8_t wupa[] = { 0x52 }; // 0x26 - REQA 0x52 - WAKE-UP
+ uint8_t wupa[] = {ISO14443A_CMD_WUPA}; // 0x26 - REQA 0x52 - WAKE-UP
uint32_t save_iso14a_timeout = iso14a_get_timeout();
iso14a_set_timeout(1236/(16*8)+1); // response to WUPA is expected at exactly 1236/fc. No need to wait longer.
int len;
// init card struct
- if(p_hi14a_card) {
+ if (p_hi14a_card) {
p_hi14a_card->uidlen = 0;
memset(p_hi14a_card->uid, 0, 10);
p_hi14a_card->ats_len = 0;
return 0;
}
- if(p_hi14a_card) {
+ if (p_hi14a_card) {
memcpy(p_hi14a_card->atqa, resp, 2);
}
// Read an ISO 14443a tag. Send out commands and store answers.
//
//-----------------------------------------------------------------------------
-void ReaderIso14443a(UsbCommand *c)
-{
+void ReaderIso14443a(UsbCommand *c) {
+
iso14a_command_t param = c->arg[0];
uint8_t *cmd = c->d.asBytes;
size_t len = c->arg[1] & 0xffff;
projects / proxmark3-svn / blobdiff