//-----------------------------------------------------------------------------
static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
{
- int c;
-
-// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR); // No requirement to energise my coils
+ int c = 0;
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
if(*wait < 10) { *wait = 10; }
- c = 0;
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
// number of decoded bytes
static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
+ int c = 0;
+ int getNext = FALSE;
int8_t prev = 0;
-// NOW READ RESPONSE
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
- //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads
- c = 0;
- getNext = FALSE;
+ SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+
for(;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
AT91C_BASE_SSC->SSC_THR = 0x43;
- }
+
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
int8_t b;
b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
} // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip))
return k; // return the number of bytes demodulated
-/// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
-
+// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
}
// Now the GetISO15693 message from sniffing command
static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
+ int c = 0;
+ int getNext = FALSE;
int8_t prev = 0;
-// NOW READ RESPONSE
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
- //spindelay(60); // greg - experiment to get rid of some of the 0 byte/failed reads
- c = 0;
- getNext = FALSE;
+ SpinDelay(100); // greg - experiment to get rid of some of the 0 byte/failed reads
+
for(;;) {
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
+ if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY))
AT91C_BASE_SSC->SSC_THR = 0x43;
- }
+
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- int8_t b;
- b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
+ int8_t b = (int8_t)AT91C_BASE_SSC->SSC_RHR;
// The samples are correlations against I and Q versions of the
// tone that the tag AM-modulates, so every other sample is I,
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
//-----------------------------------------------------------------------------
void AcquireRawAdcSamplesIso15693(void)
{
+ uint8_t *dest = BigBuf_get_addr();
+
int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
int getNext = 0;
-
int8_t prev = 0;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
BuildIdentifyRequest();
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
void RecordRawAdcSamplesIso15693(void)
{
+ uint8_t *dest = BigBuf_get_addr();
+
int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
int getNext = 0;
-
int8_t prev = 0;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
// Setup SSC
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// every other is Q. We just want power, so abs(I) + abs(Q) is
// close to what we want.
if(getNext) {
- int8_t r;
-
- if(b < 0) {
- r = -b;
- } else {
- r = b;
- }
- if(prev < 0) {
- r -= prev;
- } else {
- r += prev;
- }
+ int8_t r = ABS(b) + ABS(prev);
dest[c++] = (uint8_t)r;
LED_C_OFF();
LED_D_OFF();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
// Setup SSC
// FpgaSetupSsc();
}
// Now the VICC>VCD responses when we are simulating a tag
- static void BuildInventoryResponse(void)
+ static void BuildInventoryResponse( uint8_t *uid)
{
uint8_t cmd[12];
uint16_t crc;
// one sub-carrier, inventory, 1 slot, fast rate
// AFI is at bit 5 (1<<4) when doing an INVENTORY
- cmd[0] = 0; //(1 << 2) | (1 << 5) | (1 << 1);
- cmd[1] = 0;
+ //(1 << 2) | (1 << 5) | (1 << 1);
+ cmd[0] = 0; //
+ cmd[1] = 0; // DSFID (data storage format identifier). 0x00 = not supported
// 64-bit UID
- cmd[2] = 0x32;
- cmd[3]= 0x4b;
- cmd[4] = 0x03;
- cmd[5] = 0x01;
- cmd[6] = 0x00;
- cmd[7] = 0x10;
- cmd[8] = 0x05;
- cmd[9]= 0xe0;
+ cmd[2] = uid[7]; //0x32;
+ cmd[3] = uid[6]; //0x4b;
+ cmd[4] = uid[5]; //0x03;
+ cmd[5] = uid[4]; //0x01;
+ cmd[6] = uid[3]; //0x00;
+ cmd[7] = uid[2]; //0x10;
+ cmd[8] = uid[1]; //0x05;
+ cmd[9] = uid[0]; //0xe0;
//Now the CRC
crc = Crc(cmd, 10);
cmd[10] = crc & 0xff;
LED_C_OFF();
LED_D_OFF();
+ if (init) Iso15693InitReader();
+
int answerLen=0;
- uint8_t *answer = (((uint8_t *)BigBuf) + 3660);
- if (recv!=NULL) memset(BigBuf + 3660, 0, 100);
+ uint8_t *answer = BigBuf_get_addr() + 3660;
+ if (recv != NULL) memset(answer, 0, 100);
- if (init) Iso15693InitReader();
-
if (!speed) {
// low speed (1 out of 256)
CodeIso15693AsReader256(send, sendlen);
*recv=answer;
}
- LED_A_OFF();
- LED_B_OFF();
- LED_C_OFF();
- LED_D_OFF();
+ LEDsoff();
return answerLen;
}
LED_C_OFF();
LED_D_OFF();
-//DbpString(parameter);
-
- //uint8_t *answer0 = (((uint8_t *)BigBuf) + 3560); // allow 100 bytes per reponse (way too much)
- uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
- uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
- uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
- //uint8_t *TagUID= (((uint8_t *)BigBuf) + 3960); // where we hold the uid for hi15reader
-// int answerLen0 = 0;
int answerLen1 = 0;
int answerLen2 = 0;
int answerLen3 = 0;
- int i=0; // counter
+ int i = 0;
+ int samples = 0;
+ int tsamples = 0;
+ int wait = 0;
+ int elapsed = 0;
+ uint8_t TagUID[8] = {0x00};
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
+ uint8_t *answer1 = BigBuf_get_addr() + 3660;
+ uint8_t *answer2 = BigBuf_get_addr() + 3760;
+ uint8_t *answer3 = BigBuf_get_addr() + 3860;
// Blank arrays
- memset(BigBuf + 3660, 0, 300);
+ memset(answer1, 0x00, 300);
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// Setup SSC
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
-
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaSetupSsc();
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
// Give the tags time to energize
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
LED_C_OFF();
LED_D_OFF();
- int samples = 0;
- int tsamples = 0;
- int wait = 0;
- int elapsed = 0;
-
// FIRST WE RUN AN INVENTORY TO GET THE TAG UID
// THIS MEANS WE CAN PRE-BUILD REQUESTS TO SAVE CPU TIME
- uint8_t TagUID[8]; // where we hold the uid for hi15reader
-
-// BuildIdentifyRequest();
-// //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
-// TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3
-// // Now wait for a response
-// responseLen0 = GetIso15693AnswerFromTag(receivedAnswer0, 100, &samples, &elapsed) ;
-// if (responseLen0 >=12) // we should do a better check than this
-// {
-// // really we should check it is a valid mesg
-// // but for now just grab what we think is the uid
-// TagUID[0] = receivedAnswer0[2];
-// TagUID[1] = receivedAnswer0[3];
-// TagUID[2] = receivedAnswer0[4];
-// TagUID[3] = receivedAnswer0[5];
-// TagUID[4] = receivedAnswer0[6];
-// TagUID[5] = receivedAnswer0[7];
-// TagUID[6] = receivedAnswer0[8]; // IC Manufacturer code
-// DbpIntegers(TagUID[6],TagUID[5],TagUID[4]);
-//}
// Now send the IDENTIFY command
BuildIdentifyRequest();
- //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
- TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3
+
+ TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
+
// Now wait for a response
answerLen1 = GetIso15693AnswerFromTag(answer1, 100, &samples, &elapsed) ;
if (answerLen1 >=12) // we should do a better check than this
{
-
TagUID[0] = answer1[2];
TagUID[1] = answer1[3];
TagUID[2] = answer1[4];
TagUID[6] = answer1[8]; // IC Manufacturer code
TagUID[7] = answer1[9]; // always E0
- // Now send the SELECT command
- // since the SELECT command is optional, we should not rely on it.
-//// BuildSelectRequest(TagUID);
-// TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3
- // Now wait for a response
-/// answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
-
- // Now send the MULTI READ command
-// BuildArbitraryRequest(*TagUID,parameter);
-/// BuildArbitraryCustomRequest(TagUID,parameter);
-// BuildReadBlockRequest(*TagUID,parameter);
-// BuildSysInfoRequest(*TagUID);
- //TransmitTo15693Tag(ToSend,ToSendMax+3,&tsamples, &wait);
-/// TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait); // No longer ToSendMax+3
- // Now wait for a response
-/// answerLen3 = GetIso15693AnswerFromTag(answer3, 100, &samples, &elapsed) ;
-
}
Dbprintf("%d octets read from IDENTIFY request:", answerLen1);
// UID is reverse
if (answerLen1>=12)
- //Dbprintf("UID = %*D",8,TagUID," ");
- Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",TagUID[7],TagUID[6],TagUID[5],
- TagUID[4],TagUID[3],TagUID[2],TagUID[1],TagUID[0]);
+ Dbprintf("UID = %02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
+ TagUID[7],TagUID[6],TagUID[5],TagUID[4],
+ TagUID[3],TagUID[2],TagUID[1],TagUID[0]);
Dbprintf("%d octets read from SELECT request:", answerLen2);
DbdecodeIso15693Answer(answerLen3,answer3);
Dbhexdump(answerLen3,answer3,true);
-
// read all pages
if (answerLen1>=12 && DEBUG) {
i=0;
}
}
-// str2[0]=0;
-// for(i = 0; i < responseLen3; i++) {
-// itoa(str1,receivedAnswer3[i]);
-// strncat(str2,str1,8);
-// }
-// DbpString(str2);
-
LED_A_OFF();
LED_B_OFF();
LED_C_OFF();
// Simulate an ISO15693 TAG, perform anti-collision and then print any reader commands
// all demodulation performed in arm rather than host. - greg
-void SimTagIso15693(uint32_t parameter)
+void SimTagIso15693(uint32_t parameter, uint8_t *uid)
{
LED_A_ON();
LED_B_ON();
LED_C_OFF();
LED_D_OFF();
- uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
int answerLen1 = 0;
+ int samples = 0;
+ int tsamples = 0;
+ int wait = 0;
+ int elapsed = 0;
- // Blank arrays
- memset(answer1, 0, 100);
-
- // Setup SSC
- FpgaSetupSsc();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- // Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ uint8_t *buf = BigBuf_get_addr() + 3660;
+ memset(buf, 0x00, 100);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc();
- // Give the tags time to energize
-// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); // NO GOOD FOR SIM TAG!!!!
+ // Start from off (no field generated)
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelay(200);
LED_A_OFF();
LED_C_ON();
LED_D_OFF();
- int samples = 0;
- int tsamples = 0;
- int wait = 0;
- int elapsed = 0;
-
- answerLen1 = GetIso15693AnswerFromSniff(answer1, 100, &samples, &elapsed) ;
+ // Listen to reader
+ answerLen1 = GetIso15693AnswerFromSniff(buf, 100, &samples, &elapsed) ;
if (answerLen1 >=1) // we should do a better check than this
{
// Build a suitable reponse to the reader INVENTORY cocmmand
- BuildInventoryResponse();
+ // not so obsvious, but in the call to BuildInventoryResponse, the command is copied to the global ToSend buffer used below.
+
+ BuildInventoryResponse(uid);
+
TransmitTo15693Reader(ToSend,ToSendMax, &tsamples, &wait);
}
Dbprintf("%d octets read from reader command: %x %x %x %x %x %x %x %x %x", answerLen1,
- answer1[0], answer1[1], answer1[2],
- answer1[3], answer1[4], answer1[5],
- answer1[6], answer1[7], answer1[8]);
+ buf[0], buf[1], buf[2], buf[3],
+ buf[4], buf[5], buf[6], buf[7], buf[8]);
+
+ Dbprintf("Simulationg uid: %x %x %x %x %x %x %x %x",
+ uid[0], uid[1], uid[2], uid[3],
+ uid[4], uid[5], uid[6], uid[7]);
LED_A_OFF();
LED_B_OFF();
void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
int recvlen=0;
- uint8_t *recvbuf=(uint8_t *)BigBuf;
+ uint8_t *recvbuf = BigBuf_get_addr();
// UsbCommand n;
if (DEBUG) {
recvlen=SendDataTag(data,datalen,1,speed,(recv?&recvbuf:NULL));
if (recv) {
-// n.cmd=/* CMD_ISO_15693_COMMAND_DONE */ CMD_ACK;
-// n.arg[0]=recvlen>48?48:recvlen;
-// memcpy(n.d.asBytes, recvbuf, 48);
LED_B_ON();
cmd_send(CMD_ACK,recvlen>48?48:recvlen,0,0,recvbuf,48);
-// UsbSendPacket((uint8_t *)&n, sizeof(n));
LED_B_OFF();
if (DEBUG) {
projects / proxmark3-svn / blobdiff