#include "iso15693tools.h"
#include "cmd.h"
-#define arraylen(x) (sizeof(x)/sizeof((x)[0]))
-
///////////////////////////////////////////////////////////////////////
// ISO 15693 Part 2 - Air Interface
// This section basicly contains transmission and receiving of bits
#define AddCrc(data,datalen) Iso15693AddCrc(data,datalen)
#define sprintUID(target,uid) Iso15693sprintUID(target,uid)
-int DEBUG=0;
+int DEBUG = 0;
// ---------------------------
ToSendReset();
// Give it a bit of slack at the beginning
- for(i = 0; i < 24; i++) {
+ for(i = 0; i < 24; i++)
ToSendStuffBit(1);
- }
// SOF for 1of4
ToSendStuffBit(0);
ToSendStuffBit(1);
// And slack at the end, too.
- for(i = 0; i < 24; i++) {
+ for(i = 0; i < 24; i++)
ToSendStuffBit(1);
- }
}
// encode data using "1 out of 256" sheme
ToSendReset();
// Give it a bit of slack at the beginning
- for(i = 0; i < 24; i++) {
+ for(i = 0; i < 24; i++)
ToSendStuffBit(1);
- }
// SOF for 1of256
ToSendStuffBit(0);
ToSendStuffBit(0);
for(i = 0; i < n; i++) {
- for (j = 0; j<=255; j++) {
- if (cmd[i]==j) {
+ for (j = 0; j <= 255; j++) {
+ if (cmd[i] == j) {
ToSendStuffBit(1);
ToSendStuffBit(0);
} else {
ToSendStuffBit(1);
// And slack at the end, too.
- for(i = 0; i < 24; i++) {
+ for(i = 0; i < 24; i++)
ToSendStuffBit(1);
- }
}
static void TransmitTo15693Tag(const uint8_t *cmd, int len, int *samples, int *wait)
{
int c;
-
-// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+ volatile uint32_t r;
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++;
+// ++c;
// }
// if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
-// volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+// r = AT91C_BASE_SSC->SSC_RHR;
// (void)r;
// }
// WDT_HIT();
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
- c++;
- if(c >= len) {
- break;
- }
+ if( ++c >= len) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
static void TransmitTo15693Reader(const uint8_t *cmd, int len, int *samples, int *wait)
{
int c = 0;
+ volatile uint32_t r;
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR|FPGA_HF_SIMULATOR_MODULATE_424K);
if(*wait < 10) { *wait = 10; }
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = cmd[c];
- c++;
- if(c >= len) {
- break;
- }
+ if( ++c >= len) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
// 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, 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;
// 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.
+ // iceman 2016, amplitude sqrt(abs(i) + abs(q))
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) {
+ dest[c++] = (uint8_t)ABS(b) + ABS(prev);
+
+ if(c >= 2000)
break;
- }
} else {
prev = b;
}
//////////////////////////////////////////
int i, j;
- int max = 0, maxPos=0;
-
- int skip = 4;
-
+ int max = 0, maxPos=0, skip = 4;
+ int k = 0; // this will be our return value
+
// if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL
// First, correlate for SOF
for(i = 0; i < 100; i++) {
int corr = 0;
- for(j = 0; j < arraylen(FrameSOF); j += skip) {
- corr += FrameSOF[j]*dest[i+(j/skip)];
+ for(j = 0; j < ARRAYLEN(FrameSOF); j += skip) {
+ corr += FrameSOF[j] * dest[i+(j/skip)];
}
if(corr > max) {
max = corr;
maxPos = i;
}
}
- // DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip));
-
- int k = 0; // this will be our return value
+ // DbpString("SOF at %d, correlation %d", maxPos,max/(ARRAYLEN(FrameSOF)/skip));
// greg - If correlation is less than 1 then there's little point in continuing
- if ((max/(arraylen(FrameSOF)/skip)) >= 1)
+ if ((max/(ARRAYLEN(FrameSOF)/skip)) >= 1)
{
-
- i = maxPos + arraylen(FrameSOF)/skip;
+ i = maxPos + ARRAYLEN(FrameSOF) / skip;
uint8_t outBuf[20];
memset(outBuf, 0, sizeof(outBuf));
uint8_t mask = 0x01;
for(;;) {
int corr0 = 0, corr1 = 0, corrEOF = 0;
- for(j = 0; j < arraylen(Logic0); j += skip) {
- corr0 += Logic0[j]*dest[i+(j/skip)];
+ for(j = 0; j < ARRAYLEN(Logic0); j += skip) {
+ corr0 += Logic0[j] * dest[i+(j/skip)];
}
- for(j = 0; j < arraylen(Logic1); j += skip) {
- corr1 += Logic1[j]*dest[i+(j/skip)];
+ for(j = 0; j < ARRAYLEN(Logic1); j += skip) {
+ corr1 += Logic1[j] * dest[i+(j/skip)];
}
- for(j = 0; j < arraylen(FrameEOF); j += skip) {
- corrEOF += FrameEOF[j]*dest[i+(j/skip)];
+ for(j = 0; j < ARRAYLEN(FrameEOF); j += skip) {
+ corrEOF += FrameEOF[j] * dest[i+(j/skip)];
}
// Even things out by the length of the target waveform.
corr0 *= 4;
// DbpString("EOF at %d", i);
break;
} else if(corr1 > corr0) {
- i += arraylen(Logic1)/skip;
+ i += ARRAYLEN(Logic1)/skip;
outBuf[k] |= mask;
} else {
- i += arraylen(Logic0)/skip;
+ i += ARRAYLEN(Logic0)/skip;
}
mask <<= 1;
if(mask == 0) {
k++;
mask = 0x01;
}
- if((i+(int)arraylen(FrameEOF)) >= 2000) {
+ if( ( i + (int)ARRAYLEN(FrameEOF)) >= 2000) {
DbpString("ran off end!");
break;
}
if(mask != 0x01) { // this happens, when we miss the EOF
// TODO: for some reason this happens quite often
if (DEBUG) Dbprintf("error, uneven octet! (extra bits!) mask=%02x", mask);
- if (mask<0x08) k--; // discard the last uneven octet;
+ if (mask < 0x08) k--; // discard the last uneven octet;
// 0x08 is an assumption - but works quite often
}
// uint8_t str1 [8];
for(i = 0; i < k; i++) {
receivedResponse[i] = outBuf[i];
}
- } // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip))
+ } // "end if correlation > 0" (max/(ARRAYLEN(FrameSOF)/skip))
return k; // return the number of bytes demodulated
-
-/// 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, 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 = (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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 20000) {
+ dest[c++] = (uint8_t)ABS(b) + ABS(prev);
+
+ if(c >= 20000)
break;
- }
} else {
prev = b;
}
-
getNext = !getNext;
}
}
/////////// DEMODULATE ///////////////////
//////////////////////////////////////////
- int i, j;
- int max = 0, maxPos=0;
-
- int skip = 4;
-
-// if(GraphTraceLen < 1000) return; // THIS CHECKS FOR A BUFFER TO SMALL
+ int i, j, max = 0, maxPos=0, skip = 4;
// First, correlate for SOF
for(i = 0; i < 19000; i++) {
int corr = 0;
- for(j = 0; j < arraylen(FrameSOF); j += skip) {
+ for(j = 0; j < ARRAYLEN(FrameSOF); j += skip) {
corr += FrameSOF[j]*dest[i+(j/skip)];
}
if(corr > max) {
maxPos = i;
}
}
-// DbpString("SOF at %d, correlation %d", maxPos,max/(arraylen(FrameSOF)/skip));
+// DbpString("SOF at %d, correlation %d", maxPos,max/(ARRAYLEN(FrameSOF)/skip));
int k = 0; // this will be our return value
// greg - If correlation is less than 1 then there's little point in continuing
- if ((max/(arraylen(FrameSOF)/skip)) >= 1) // THIS SHOULD BE 1
+ if ((max/(ARRAYLEN(FrameSOF)/skip)) >= 1) // THIS SHOULD BE 1
{
- i = maxPos + arraylen(FrameSOF)/skip;
+ i = maxPos + ARRAYLEN(FrameSOF)/skip;
uint8_t outBuf[20];
memset(outBuf, 0, sizeof(outBuf));
uint8_t mask = 0x01;
for(;;) {
int corr0 = 0, corr1 = 0, corrEOF = 0;
- for(j = 0; j < arraylen(Logic0); j += skip) {
+ for(j = 0; j < ARRAYLEN(Logic0); j += skip) {
corr0 += Logic0[j]*dest[i+(j/skip)];
}
- for(j = 0; j < arraylen(Logic1); j += skip) {
+ for(j = 0; j < ARRAYLEN(Logic1); j += skip) {
corr1 += Logic1[j]*dest[i+(j/skip)];
}
- for(j = 0; j < arraylen(FrameEOF); j += skip) {
+ for(j = 0; j < ARRAYLEN(FrameEOF); j += skip) {
corrEOF += FrameEOF[j]*dest[i+(j/skip)];
}
// Even things out by the length of the target waveform.
// DbpString("EOF at %d", i);
break;
} else if(corr1 > corr0) {
- i += arraylen(Logic1)/skip;
+ i += ARRAYLEN(Logic1)/skip;
outBuf[k] |= mask;
} else {
- i += arraylen(Logic0)/skip;
+ i += ARRAYLEN(Logic0)/skip;
}
mask <<= 1;
if(mask == 0) {
k++;
mask = 0x01;
}
- if((i+(int)arraylen(FrameEOF)) >= 2000) {
+ if((i+(int)ARRAYLEN(FrameEOF)) >= 2000) {
DbpString("ran off end!");
break;
}
}
if(mask != 0x01) {
DbpString("sniff: error, uneven octet! (discard extra bits!)");
- /// DbpString(" mask=%02x", mask);
+ // DbpString(" mask=%02x", mask);
}
// uint8_t str1 [8];
// itoa(k,str1);
for(i = 0; i < k; i++) {
receivedResponse[i] = outBuf[i];
}
- } // "end if correlation > 0" (max/(arraylen(FrameSOF)/skip))
+ } // "end if correlation > 0" (max/(ARRAYLEN(FrameSOF)/skip))
return k; // return the number of bytes demodulated
-
-/// DbpString("CRC=%04x", Iso15693Crc(outBuf, k-2));
}
//-----------------------------------------------------------------------------
void AcquireRawAdcSamplesIso15693(void)
{
- uint8_t *dest = (uint8_t *)BigBuf;
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- int c = 0;
- int getNext = 0;
+ int c = 0, getNext = FALSE;
int8_t prev = 0;
+ volatile uint32_t r;
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ uint8_t *dest = BigBuf_get_addr();
BuildIdentifyRequest();
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
for(;;) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) {
AT91C_BASE_SSC->SSC_THR = ToSend[c];
- c++;
- if(c == ToSendMax+3) {
- break;
- }
+ if( ++c == ToSendMax+3) break;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
- volatile uint32_t r = AT91C_BASE_SSC->SSC_RHR;
+ r = AT91C_BASE_SSC->SSC_RHR;
(void)r;
}
WDT_HIT();
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
c = 0;
- getNext = FALSE;
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;
- }
-
- dest[c++] = (uint8_t)r;
-
- if(c >= 2000) {
- break;
- }
+
+ dest[c++] = (uint8_t)(ABS(b) + ABS(prev));
+
+ if(c >= 2000) break;
+
} else {
prev = b;
}
-
getNext = !getNext;
}
}
void RecordRawAdcSamplesIso15693(void)
{
- uint8_t *dest = (uint8_t *)BigBuf;
+ uint8_t *dest = BigBuf_get_addr();
- int c = 0;
- int getNext = 0;
+ int c = 0, getNext = FALSE;
int8_t prev = 0;
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
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);
-
SpinDelay(100);
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;
// 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) {
+ dest[c++] = (uint8_t) ABS(b) + ABS(prev);
+
+ if(c >= 7000)
break;
- }
} else {
prev = b;
}
// thing that you must send to a tag to get a response.
static void BuildIdentifyRequest(void)
{
- uint8_t cmd[5];
-
+ uint8_t cmd[5] = {0,1,0,0,0};
uint16_t crc;
// one sub-carrier, inventory, 1 slot, fast rate
// AFI is at bit 5 (1<<4) when doing an INVENTORY
// uid is in transmission order (which is reverse of display order)
static void BuildReadBlockRequest(uint8_t *uid, uint8_t blockNumber )
{
- uint8_t cmd[13];
-
+ uint8_t cmd[13] = {0,0,0,0,0,0,0,0,0,0,0,0,0};
uint16_t crc;
// If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block
// followed by teh block data
// Now the VICC>VCD responses when we are simulating a tag
static void BuildInventoryResponse( uint8_t *uid)
{
- uint8_t cmd[12];
-
+ uint8_t cmd[12] = {0,0,0,0,0,0,0,0,0,0,0,0};
uint16_t crc;
// one sub-carrier, inventory, 1 slot, fast rate
// AFI is at bit 5 (1<<4) when doing an INVENTORY
// return: lenght of received data
int SendDataTag(uint8_t *send, int sendlen, int init, int speed, uint8_t **recv) {
- int samples = 0;
- int tsamples = 0;
- int wait = 0;
- int elapsed = 0;
+ int samples = 0, tsamples = 0;
+ int wait = 0, elapsed = 0;
+ int answerLen = 0;
- LED_A_ON();
- LED_B_ON();
- LED_C_OFF();
- LED_D_OFF();
+ LED_A_ON(); LED_B_ON();
- int answerLen=0;
- uint8_t *answer = (((uint8_t *)BigBuf) + 3660);
- if (recv!=NULL) memset(BigBuf + 3660, 0, 100);
-
- if (init) Iso15693InitReader();
+ LED_C_OFF(); LED_D_OFF();
+ if (init) Iso15693InitReader();
+
+ // answer is 100bytes long?
+ uint8_t *answer = BigBuf_malloc(100);
+ if (recv != NULL) memset(answer, 0, 100);
+
if (!speed) {
// low speed (1 out of 256)
CodeIso15693AsReader256(send, sendlen);
LED_A_ON();
LED_B_OFF();
- TransmitTo15693Tag(ToSend,ToSendMax,&tsamples, &wait);
+ TransmitTo15693Tag(ToSend, ToSendMax, &tsamples, &wait);
// Now wait for a response
if (recv!=NULL) {
LED_A_OFF();
LED_B_ON();
answerLen = GetIso15693AnswerFromTag(answer, 100, &samples, &elapsed) ;
- *recv=answer;
+ *recv = answer;
}
- LED_A_OFF();
- LED_B_OFF();
- LED_C_OFF();
- LED_D_OFF();
-
+ LEDsoff();
return answerLen;
}
// Decodes a message from a tag and displays its metadata and content
#define DBD15STATLEN 48
void DbdecodeIso15693Answer(int len, uint8_t *d) {
- char status[DBD15STATLEN+1]={0};
+ char status[DBD15STATLEN+1] = {0};
uint16_t crc;
- if (len>3) {
- if (d[0]&(1<<3))
- strncat(status,"ProtExt ",DBD15STATLEN);
- if (d[0]&1) {
+ if (len > 3) {
+ if (d[0] & ( 1 << 3 ))
+ strncat(status, "ProtExt ", DBD15STATLEN);
+ if (d[0] & 1) {
// error
- strncat(status,"Error ",DBD15STATLEN);
+ strncat(status, "Error ", DBD15STATLEN);
switch (d[1]) {
case 0x01:
- strncat(status,"01:notSupp",DBD15STATLEN);
+ strncat(status, "01:notSupp", DBD15STATLEN);
break;
case 0x02:
- strncat(status,"02:notRecog",DBD15STATLEN);
+ strncat(status, "02:notRecog", DBD15STATLEN);
break;
case 0x03:
- strncat(status,"03:optNotSupp",DBD15STATLEN);
+ strncat(status, "03:optNotSupp", DBD15STATLEN);
break;
case 0x0f:
- strncat(status,"0f:noInfo",DBD15STATLEN);
+ strncat(status, "0f:noInfo", DBD15STATLEN);
break;
case 0x10:
- strncat(status,"10:dontExist",DBD15STATLEN);
+ strncat(status, "10:dontExist", DBD15STATLEN);
break;
case 0x11:
- strncat(status,"11:lockAgain",DBD15STATLEN);
+ strncat(status, "11:lockAgain", DBD15STATLEN);
break;
case 0x12:
- strncat(status,"12:locked",DBD15STATLEN);
+ strncat(status, "12:locked", DBD15STATLEN);
break;
case 0x13:
- strncat(status,"13:progErr",DBD15STATLEN);
+ strncat(status, "13:progErr", DBD15STATLEN);
break;
case 0x14:
- strncat(status,"14:lockErr",DBD15STATLEN);
+ strncat(status, "14:lockErr", DBD15STATLEN);
break;
default:
- strncat(status,"unknownErr",DBD15STATLEN);
+ strncat(status, "unknownErr", DBD15STATLEN);
}
- strncat(status," ",DBD15STATLEN);
+ strncat(status ," " ,DBD15STATLEN);
} else {
- strncat(status,"NoErr ",DBD15STATLEN);
+ strncat(status ,"NoErr ", DBD15STATLEN);
}
- crc=Crc(d,len-2);
+ crc = Crc(d,len-2);
if ( (( crc & 0xff ) == d[len-2]) && (( crc >> 8 ) == d[len-1]) )
- strncat(status,"CrcOK",DBD15STATLEN);
+ strncat(status, "CrcOK", DBD15STATLEN);
else
- strncat(status,"CrcFail!",DBD15STATLEN);
+ strncat(status, "CrcFail!", DBD15STATLEN);
- Dbprintf("%s",status);
+ Dbprintf("%s", status);
}
}
-
-
///////////////////////////////////////////////////////////////////////
// Functions called via USB/Client
///////////////////////////////////////////////////////////////////////
void SetDebugIso15693(uint32_t debug) {
- DEBUG=debug;
- Dbprintf("Iso15693 Debug is now %s",DEBUG?"on":"off");
+ DEBUG = debug;
+ Dbprintf("Iso15693 Debug is now %s", DEBUG ? "on" : "off");
return;
}
-
-
//-----------------------------------------------------------------------------
// Simulate an ISO15693 reader, perform anti-collision and then attempt to read a sector
// all demodulation performed in arm rather than host. - greg
LED_C_OFF();
LED_D_OFF();
- uint8_t *answer1 = (((uint8_t *)BigBuf) + 3660); //
- uint8_t *answer2 = (((uint8_t *)BigBuf) + 3760);
- uint8_t *answer3 = (((uint8_t *)BigBuf) + 3860);
-
int answerLen1 = 0;
int answerLen2 = 0;
int answerLen3 = 0;
int elapsed = 0;
uint8_t TagUID[8] = {0x00};
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ uint8_t *answer1 = BigBuf_malloc(100);
+ uint8_t *answer2 = BigBuf_malloc(100);
+ uint8_t *answer3 = BigBuf_malloc(100);
// Blank arrays
- memset(BigBuf + 3660, 0x00, 300);
-
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ memset(answer1, 0x00, 100);
+ memset(answer2, 0x00, 100);
+ memset(answer3, 0x00, 100);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
// Setup SSC
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(200);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
// Give the tags time to energize
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
// Now wait for a response
answerLen1 = GetIso15693AnswerFromTag(answer1, 100, &samples, &elapsed) ;
- if (answerLen1 >=12) // we should do a better check than this
+ if (answerLen1 >= 12) // we should do a better check than this
{
TagUID[0] = answer1[2];
TagUID[1] = answer1[3];
}
Dbprintf("%d octets read from IDENTIFY request:", answerLen1);
- DbdecodeIso15693Answer(answerLen1,answer1);
- Dbhexdump(answerLen1,answer1,true);
+ DbdecodeIso15693Answer(answerLen1, answer1);
+ Dbhexdump(answerLen1, answer1, true);
// UID is reverse
if (answerLen1>=12)
Dbprintf("%d octets read from SELECT request:", answerLen2);
- DbdecodeIso15693Answer(answerLen2,answer2);
- Dbhexdump(answerLen2,answer2,true);
+ DbdecodeIso15693Answer(answerLen2, answer2);
+ Dbhexdump(answerLen2, answer2, true);
Dbprintf("%d octets read from XXX request:", answerLen3);
DbdecodeIso15693Answer(answerLen3,answer3);
- Dbhexdump(answerLen3,answer3,true);
+ Dbhexdump(answerLen3, answer3, true);
// read all pages
- if (answerLen1>=12 && DEBUG) {
- i=0;
- while (i<32) { // sanity check, assume max 32 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);
- Dbhexdump(answerLen2,answer2,true);
+ Dbprintf("READ SINGLE BLOCK %d returned %d octets:", i, answerLen2);
+ DbdecodeIso15693Answer(answerLen2, answer2);
+ Dbhexdump(answerLen2, answer2, true);
if ( *((uint32_t*) answer2) == 0x07160101 ) break; // exit on NoPageErr
}
- i++;
+ ++i;
}
}
LED_C_OFF();
LED_D_OFF();
- uint8_t *buf = (((uint8_t *)BigBuf) + 3660); //
-
int answerLen1 = 0;
int samples = 0;
int tsamples = 0;
int wait = 0;
int elapsed = 0;
- memset(buf, 0x00, 100);
-
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
- SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+ uint8_t *buf = BigBuf_malloc(100);
+ memset(buf, 0x00, 100);
+ SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaSetupSsc();
// Start from off (no field generated)
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelay(200);
LED_A_OFF();
void BruteforceIso15693Afi(uint32_t speed)
{
uint8_t data[20];
- uint8_t *recv=data;
- int datalen=0, recvlen=0;
-
+ uint8_t *recv = data;
+ int datalen = 0, recvlen = 0;
+
+ memset(data, 0, sizeof(data));
+
Iso15693InitReader();
// first without AFI
// Tags should respond wihtout AFI and with AFI=0 even when AFI is active
- data[0]=ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH |
- ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1;
- data[1]=ISO15_CMD_INVENTORY;
- data[2]=0; // mask length
- datalen=AddCrc(data,3);
- recvlen=SendDataTag(data,datalen,0,speed,&recv);
+ data[0] = ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH |
+ ISO15_REQ_INVENTORY | ISO15_REQINV_SLOT1;
+ data[1] = ISO15_CMD_INVENTORY;
+ data[2] = 0; // mask length
+ datalen = AddCrc(data, 3);
+ recvlen = SendDataTag(data, datalen, 0, speed, &recv);
WDT_HIT();
- if (recvlen>=12) {
- Dbprintf("NoAFI UID=%s",sprintUID(NULL,&recv[2]));
+ if (recvlen >= 12) {
+ Dbprintf("NoAFI UID=%s", sprintUID(NULL, &recv[2]));
}
// now with AFI
- data[0]=ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH |
- ISO15_REQ_INVENTORY | ISO15_REQINV_AFI | ISO15_REQINV_SLOT1;
- data[1]=ISO15_CMD_INVENTORY;
- data[2]=0; // AFI
- data[3]=0; // mask length
+ data[0] = ISO15_REQ_SUBCARRIER_SINGLE | ISO15_REQ_DATARATE_HIGH |
+ ISO15_REQ_INVENTORY | ISO15_REQINV_AFI | ISO15_REQINV_SLOT1;
+ data[1] = ISO15_CMD_INVENTORY;
+ data[2] = 0; // AFI
+ data[3] = 0; // mask length
- for (int i=0;i<256;i++) {
- data[2]=i & 0xFF;
- datalen=AddCrc(data,4);
- recvlen=SendDataTag(data,datalen,0,speed,&recv);
+ for (int i = 0; i < 256; i++) {
+ data[2] = i & 0xFF; // iceman 2016, is & 0xFF needed?
+ datalen = AddCrc(data, 4);
+ recvlen = SendDataTag(data, datalen, 0, speed, &recv);
WDT_HIT();
- if (recvlen>=12) {
- Dbprintf("AFI=%i UID=%s",i,sprintUID(NULL,&recv[2]));
+ if (recvlen >= 12) {
+ Dbprintf("AFI=%i UID=%s", i, sprintUID(NULL, &recv[2]));
}
}
Dbprintf("AFI Bruteforcing done.");
-
}
// Allows to directly send commands to the tag via the client
void DirectTag15693Command(uint32_t datalen,uint32_t speed, uint32_t recv, uint8_t data[]) {
- int recvlen=0;
- uint8_t *recvbuf=(uint8_t *)BigBuf;
-// UsbCommand n;
+ int recvlen = 0;
+ uint8_t *recvbuf = BigBuf_get_addr();
if (DEBUG) {
Dbprintf("SEND");
Dbhexdump(datalen,data,true);
}
- recvlen=SendDataTag(data,datalen,1,speed,(recv?&recvbuf:NULL));
+ recvlen = SendDataTag(data, datalen, 1, speed, (recv ? &recvbuf : NULL));
if (recv) {
LED_B_ON();
- cmd_send(CMD_ACK,recvlen>48?48:recvlen,0,0,recvbuf,48);
+ cmd_send(CMD_ACK,recvlen>48?48:recvlen,0,0,recvbuf,48);
LED_B_OFF();
if (DEBUG) {
Dbhexdump(recvlen,recvbuf,true);
}
}
-
-}
-
-
-
-
-// --------------------------------------------------------------------
-// -- Misc & deprecated functions
-// --------------------------------------------------------------------
-
-/*
-
-// do not use; has a fix UID
-static void __attribute__((unused)) BuildSysInfoRequest(uint8_t *uid)
-{
- uint8_t cmd[12];
-
- uint16_t crc;
- // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block
- // followed by teh block data
- // one sub-carrier, inventory, 1 slot, fast rate
- cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit
- // System Information command code
- cmd[1] = 0x2B;
- // UID may be optionally specified here
- // 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; // always e0 (not exactly unique)
- //Now the CRC
- crc = Crc(cmd, 10); // the crc needs to be calculated over 2 bytes
- cmd[10] = crc & 0xff;
- cmd[11] = crc >> 8;
-
- CodeIso15693AsReader(cmd, sizeof(cmd));
-}
-
-
-// do not use; has a fix UID
-static void __attribute__((unused)) BuildReadMultiBlockRequest(uint8_t *uid)
-{
- uint8_t cmd[14];
-
- uint16_t crc;
- // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block
- // followed by teh block data
- // one sub-carrier, inventory, 1 slot, fast rate
- cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit
- // READ Multi BLOCK command code
- cmd[1] = 0x23;
- // UID may be optionally specified here
- // 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; // always e0 (not exactly unique)
- // First Block number to read
- cmd[10] = 0x00;
- // Number of Blocks to read
- cmd[11] = 0x2f; // read quite a few
- //Now the CRC
- crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes
- cmd[12] = crc & 0xff;
- cmd[13] = crc >> 8;
-
- CodeIso15693AsReader(cmd, sizeof(cmd));
-}
-
-// do not use; has a fix UID
-static void __attribute__((unused)) BuildArbitraryRequest(uint8_t *uid,uint8_t CmdCode)
-{
- uint8_t cmd[14];
-
- uint16_t crc;
- // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block
- // followed by teh block data
- // one sub-carrier, inventory, 1 slot, fast rate
- cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit
- // READ BLOCK command code
- cmd[1] = CmdCode;
- // UID may be optionally specified here
- // 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; // always e0 (not exactly unique)
- // Parameter
- cmd[10] = 0x00;
- cmd[11] = 0x0a;
-
-// cmd[12] = 0x00;
-// cmd[13] = 0x00; //Now the CRC
- crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes
- cmd[12] = crc & 0xff;
- cmd[13] = crc >> 8;
-
- CodeIso15693AsReader(cmd, sizeof(cmd));
-}
-
-// do not use; has a fix UID
-static void __attribute__((unused)) BuildArbitraryCustomRequest(uint8_t uid[], uint8_t CmdCode)
-{
- uint8_t cmd[14];
-
- uint16_t crc;
- // If we set the Option_Flag in this request, the VICC will respond with the secuirty status of the block
- // followed by teh block data
- // one sub-carrier, inventory, 1 slot, fast rate
- cmd[0] = (1 << 5) | (1 << 1); // no SELECT bit
- // READ BLOCK command code
- cmd[1] = CmdCode;
- // UID may be optionally specified here
- // 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; // always e0 (not exactly unique)
- // Parameter
- cmd[10] = 0x05; // for custom codes this must be manufcturer code
- cmd[11] = 0x00;
-
-// cmd[12] = 0x00;
-// cmd[13] = 0x00; //Now the CRC
- crc = Crc(cmd, 12); // the crc needs to be calculated over 2 bytes
- cmd[12] = crc & 0xff;
- cmd[13] = crc >> 8;
-
- CodeIso15693AsReader(cmd, sizeof(cmd));
-}
-
-
-
-
-*/
-
-
+}
\ No newline at end of file
projects / proxmark3-svn / blobdiff