X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/902cb3c00b49535f0de9a3b6d5ba0c54260ccac1..696e8630782aa1707c23c2ce4b0e8394689835ac:/armsrc/iso15693.c
diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index ace6f87c..c092b383 100644
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -81,7 +81,10 @@
#define AddCrc(data,datalen) Iso15693AddCrc(data,datalen)
#define sprintUID(target,uid) Iso15693sprintUID(target,uid)
-int DEBUG=0;
+// approximate amplitude=sqrt(ci^2+cq^2)
+#define AMPLITUDE(ci, cq) (MAX(ABS(ci), ABS(cq)) + (MIN(ABS(ci), ABS(cq))>>1))
+
+static int DEBUG = 0;
// ---------------------------
@@ -224,26 +227,14 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
{
int c;
-// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_TX);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
if(*wait < 10) { *wait = 10; }
-// for(c = 0; c < *wait;) {
-// if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
-// AT91C_BASE_SSC->SSC_THR = 0x00; // For exact timing!
-// c++;
-// }
-// if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-// volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
-// (void)r;
-// }
-// WDT_HIT();
-// }
-
c = 0;
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
- AT91C_BASE_SSC->SSC_THR = cmd[c];
+ AT91C_BASE_SSC->SSC_THR = ~cmd[c];
c++;
if(c >= len) {
break;
@@ -263,13 +254,10 @@ static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *w
//-----------------------------------------------------------------------------
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];
@@ -299,52 +287,26 @@ static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int
static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
-
- int8_t prev = 0;
+ uint8_t *dest = BigBuf_get_addr();
// NOW READ RESPONSE
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
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;
for(;;) {
- 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;
-
+ uint16_t iq = 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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 2000) {
- break;
- }
- } else {
- prev = b;
- }
+ // tone that the tag AM-modulates. We just want power.
+ int8_t i = iq >> 8;
+ int8_t q = iq;
+ uint8_t r = AMPLITUDE(i, q);
- getNext = !getNext;
+ dest[c++] = r;
+
+ if(c >= 4000) {
+ break;
+ }
}
}
@@ -355,12 +317,10 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
int i, j;
int max = 0, maxPos=0;
- int skip = 4;
-
- // if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL
+ int skip = 2;
// First, correlate for SOF
- for(i = 0; i < 100; i++) {
+ for(i = 0; i < 200; i++) { // usually, SOF is found around i = 60
int corr = 0;
for(j = 0; j < arraylen(FrameSOF); j += skip) {
corr += FrameSOF[j]*dest[i+(j/skip)];
@@ -370,7 +330,7 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
maxPos = i;
}
}
- // DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip));
+ if (DEBUG) Dbprintf("SOF at %d, correlation %d", maxPos, max/(arraylen(FrameSOF)/skip));
int k = 0; // this will be our return value
@@ -384,10 +344,15 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
memset(outBuf, 0, sizeof(outBuf));
uint8_t mask = 0x01;
for(;;) {
- int corr0 = 0, corr1 = 0, corrEOF = 0;
+ int corr0 = 0, corr00 = 0, corr01 = 0, corr1 = 0, corrEOF = 0;
for(j = 0; j < arraylen(Logic0); j += skip) {
corr0 += Logic0[j]*dest[i+(j/skip)];
}
+ corr01 = corr00 = corr0;
+ for(j = 0; j < arraylen(Logic0); j += skip) {
+ corr00 += Logic0[j]*dest[i+arraylen(Logic0)/skip+(j/skip)];
+ corr01 += Logic1[j]*dest[i+arraylen(Logic0)/skip+(j/skip)];
+ }
for(j = 0; j < arraylen(Logic1); j += skip) {
corr1 += Logic1[j]*dest[i+(j/skip)];
}
@@ -395,11 +360,14 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
corrEOF += FrameEOF[j]*dest[i+(j/skip)];
}
// Even things out by the length of the target waveform.
+ corr00 *= 2;
+ corr01 *= 2;
corr0 *= 4;
corr1 *= 4;
- if(corrEOF > corr1 && corrEOF > corr0) {
- // DbpString("EOF at %d", i);
+ if(corrEOF > corr1 && corrEOF > corr00 && corrEOF > corr01) {
+ if (DEBUG) Dbprintf("EOF at %d, correlation %d (corr01: %d, corr00: %d, corr1: %d, corr0: %d)",
+ i, corrEOF, corr01, corr00, corr1, corr0);
break;
} else if(corr1 > corr0) {
i += arraylen(Logic1)/skip;
@@ -412,7 +380,7 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
k++;
mask = 0x01;
}
- if((i+(int)arraylen(FrameEOF)) >= 2000) {
+ if((i+(int)arraylen(FrameEOF)/skip) >= 4000) {
DbpString("ran off end!");
break;
}
@@ -449,52 +417,27 @@ static int GetIso15693AnswerFromTag(uint8_t *receivedResponse, int maxLen, int *
static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int *samples, int *elapsed)
{
int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
-
- int8_t prev = 0;
+ uint8_t *dest = BigBuf_get_addr();
// 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;
for(;;) {
- 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;
-
+ uint16_t iq = 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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 20000) {
- break;
- }
- } else {
- prev = b;
- }
+ // tone that the tag AM-modulates. We just want power,
+ // so abs(I) + abs(Q) is close to what we want.
+ int8_t i = iq >> 8;
+ int8_t q = iq;
+ uint8_t r = AMPLITUDE(i, q);
- getNext = !getNext;
+ dest[c++] = r;
+
+ if(c >= BIGBUF_SIZE) {
+ break;
+ }
}
}
@@ -505,12 +448,10 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
int i, j;
int max = 0, maxPos=0;
- int skip = 4;
-
-// if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL
+ int skip = 2;
// First, correlate for SOF
- for(i = 0; i < 19000; i++) {
+ for(i = 0; i < 38000; i++) {
int corr = 0;
for(j = 0; j < arraylen(FrameSOF); j += skip) {
corr += FrameSOF[j]*dest[i+(j/skip)];
@@ -520,7 +461,7 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
maxPos = i;
}
}
-// DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip));
+ if (DEBUG) Dbprintf("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip));
int k = 0; // this will be our return value
@@ -534,10 +475,15 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
memset(outBuf, 0, sizeof(outBuf));
uint8_t mask = 0x01;
for(;;) {
- int corr0 = 0, corr1 = 0, corrEOF = 0;
+ int corr0 = 0, corr00 = 0, corr01 = 0, corr1 = 0, corrEOF = 0;
for(j = 0; j < arraylen(Logic0); j += skip) {
corr0 += Logic0[j]*dest[i+(j/skip)];
}
+ corr01 = corr00 = corr0;
+ for(j = 0; j < arraylen(Logic0); j += skip) {
+ corr00 += Logic0[j]*dest[i+arraylen(Logic0)/skip+(j/skip)];
+ corr01 += Logic1[j]*dest[i+arraylen(Logic0)/skip+(j/skip)];
+ }
for(j = 0; j < arraylen(Logic1); j += skip) {
corr1 += Logic1[j]*dest[i+(j/skip)];
}
@@ -545,11 +491,14 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
corrEOF += FrameEOF[j]*dest[i+(j/skip)];
}
// Even things out by the length of the target waveform.
+ corr00 *= 2;
+ corr01 *= 2;
corr0 *= 4;
corr1 *= 4;
- if(corrEOF > corr1 && corrEOF > corr0) {
- // DbpString("EOF at %d", i);
+ if(corrEOF > corr1 && corrEOF > corr00 && corrEOF > corr01) {
+ if (DEBUG) Dbprintf("EOF at %d, correlation %d (corr01: %d, corr00: %d, corr1: %d, corr0: %d)",
+ i, corrEOF, corr01, corr00, corr1, corr0);
break;
} else if(corr1 > corr0) {
i += arraylen(Logic1)/skip;
@@ -562,7 +511,7 @@ static int GetIso15693AnswerFromSniff(uint8_t *receivedResponse, int maxLen, int
k++;
mask = 0x01;
}
- if((i+(int)arraylen(FrameEOF)) >= 2000) {
+ if((i+(int)arraylen(FrameEOF)/skip) >= BIGBUF_SIZE) {
DbpString("ran off end!");
break;
}
@@ -600,12 +549,11 @@ static void BuildIdentifyRequest(void);
//-----------------------------------------------------------------------------
void AcquireRawAdcSamplesIso15693(void)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
- int8_t prev = 0;
+ int c = 0;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
BuildIdentifyRequest();
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
@@ -615,65 +563,40 @@ void AcquireRawAdcSamplesIso15693(void)
SpinDelay(100);
// Now send the command
- FpgaSetupSsc();
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_TX);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX);
c = 0;
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
- AT91C_BASE_SSC->SSC_THR = ToSend[c];
+ AT91C_BASE_SSC->SSC_THR = ~ToSend[c];
c++;
if(c == ToSendMax+3) {
break;
}
}
- if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
- (void)r;
- }
WDT_HIT();
}
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
c = 0;
- getNext = FALSE;
for(;;) {
- 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;
-
+ uint16_t iq = 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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 2000) {
- break;
- }
- } else {
- prev = b;
- }
+ // tone that the tag AM-modulates. We just want power,
+ // so abs(I) + abs(Q) is close to what we want.
+ int8_t i = iq >> 8;
+ int8_t q = iq;
+ uint8_t r = AMPLITUDE(i, q);
- getNext = !getNext;
+ dest[c++] = r;
+
+ if(c >= 4000) {
+ break;
+ }
}
}
}
@@ -681,18 +604,17 @@ void AcquireRawAdcSamplesIso15693(void)
void RecordRawAdcSamplesIso15693(void)
{
- int c = 0;
- uint8_t *dest = (uint8_t *)BigBuf;
- int getNext = 0;
+ uint8_t *dest = BigBuf_get_addr();
- int8_t prev = 0;
+ int c = 0;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
// Setup SSC
- FpgaSetupSsc();
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
@@ -701,47 +623,24 @@ void RecordRawAdcSamplesIso15693(void)
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
c = 0;
- getNext = FALSE;
for(;;) {
- 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;
-
+ uint16_t iq = 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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 7000) {
- break;
- }
- } else {
- prev = b;
- }
+ // tone that the tag AM-modulates. We just want power,
+ // so abs(I) + abs(Q) is close to what we want.
+ int8_t i = iq >> 8;
+ int8_t q = iq;
+ uint8_t r = AMPLITUDE(i, q);
- getNext = !getNext;
- WDT_HIT();
+ dest[c++] = r;
+
+ if(c >= 14000) {
+ break;
+ }
}
}
- Dbprintf("fin record");
+ Dbprintf("finished recording");
}
@@ -753,6 +652,7 @@ void Iso15693InitReader() {
LED_C_OFF();
LED_D_OFF();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
// Setup SSC
// FpgaSetupSsc();
@@ -761,7 +661,7 @@ void Iso15693InitReader() {
SpinDelay(10);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaSetupSsc();
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
// Give the tags time to energize
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
@@ -833,24 +733,25 @@ static void BuildReadBlockRequest(uint8_t *uid, uint8_t blockNumber )
}
// 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;
@@ -877,12 +778,12 @@ int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv)
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() + 4000;
+ if (recv != NULL) memset(answer, 0, 100);
- if (init) Iso15693InitReader();
-
if (!speed) {
// low speed (1 out of 256)
CodeIso15693AsReader256(send, sendlen);
@@ -999,31 +900,31 @@ void ReaderIso15693(uint32_t parameter)
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 answerLen3 = 0;
+ 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() + 4000;
+ uint8_t *answer2 = BigBuf_get_addr() + 4100;
+ // uint8_t *answer3 = BigBuf_get_addr() + 4200;
// Blank arrays
- memset(BigBuf + 3660, 0, 300);
+ memset(answer1, 0x00, 200);
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// Setup SSC
- FpgaSetupSsc();
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
// 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);
@@ -1034,44 +935,19 @@ void ReaderIso15693(uint32_t parameter)
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];
@@ -1081,23 +957,6 @@ void ReaderIso15693(uint32_t parameter)
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);
@@ -1106,27 +965,26 @@ void ReaderIso15693(uint32_t parameter)
// 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(answerLen2,answer2);
- Dbhexdump(answerLen2,answer2,true);
+ // Dbprintf("%d octets read from SELECT request:", answerLen2);
+ // DbdecodeIso15693Answer(answerLen2,answer2);
+ // Dbhexdump(answerLen2,answer2,true);
- Dbprintf("%d octets read from XXX request:", answerLen3);
- DbdecodeIso15693Answer(answerLen3,answer3);
- Dbhexdump(answerLen3,answer3,true);
+ // Dbprintf("%d octets read from XXX request:", answerLen3);
+ // DbdecodeIso15693Answer(answerLen3,answer3);
+ // Dbhexdump(answerLen3,answer3,true);
-
// read all pages
if (answerLen1>=12 && DEBUG) {
i=0;
while (i<32) { // sanity check, assume max 32 pages
BuildReadBlockRequest(TagUID,i);
- TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
- answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
+ TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
+ answerLen2 = GetIso15693AnswerFromTag(answer2, 100, &samples, &elapsed);
if (answerLen2>0) {
Dbprintf("READ SINGLE BLOCK %d returned %d octets:",i,answerLen2);
DbdecodeIso15693Answer(answerLen2,answer2);
@@ -1137,13 +995,6 @@ void ReaderIso15693(uint32_t parameter)
}
}
-// 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();
@@ -1152,31 +1003,29 @@ void ReaderIso15693(uint32_t parameter)
// 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();
-
- // Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ uint8_t *buf = BigBuf_get_addr() + 4000;
+ memset(buf, 0x00, 100);
+
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
- FpgaSetupSsc();
+ FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
- // 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();
@@ -1184,24 +1033,26 @@ void SimTagIso15693(uint32_t parameter)
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();
@@ -1259,7 +1110,7 @@ void BruteforceIso15693Afi(uint32_t speed)
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) {
@@ -1270,12 +1121,8 @@ void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8
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));
+ cmd_send(CMD_ACK,recvlen>48?48:recvlen,0,0,recvbuf,48);
LED_B_OFF();
if (DEBUG) {