X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e888ed8e62bab6d7421c9b9689309a58040754fe..6bfa18eab4750123d0e24090597b0d4c7bd58daf:/client/cmddata.c diff --git a/client/cmddata.c b/client/cmddata.c index af075e6c..9025e8f1 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -11,6 +11,7 @@ #include #include #include +//#include #include #include "proxmark3.h" #include "data.h" @@ -20,6 +21,7 @@ #include "util.h" #include "cmdmain.h" #include "cmddata.h" +#include "lfdemod.h" static int CmdHelp(const char *Cmd); @@ -69,9 +71,7 @@ int CmdAmp(const char *Cmd) * Arguments: * c : 0 or 1 */ - //this method is dependant on all highs and lows to be the same(or clipped) this could be an issue[marshmellow] - //might be able to use clock to help identify highs and lows with some more tolerance - //but for now I will try a fuzz factor + //this method is dependant on all highs and lows to be the same(or clipped) this creates issues[marshmellow] it also ignores the clock int Cmdaskdemod(const char *Cmd) { int i; @@ -90,6 +90,8 @@ int Cmdaskdemod(const char *Cmd) else if (GraphBuffer[i] < low) low = GraphBuffer[i]; } + high=abs(high*.75); + low=abs(low*.75); if (c != 0 && c != 1) { PrintAndLog("Invalid argument: %s", Cmd); return 0; @@ -100,9 +102,6 @@ int Cmdaskdemod(const char *Cmd) } else { GraphBuffer[0] = c; } - //13% fuzz [marshmellow] - high=(int)(0.87*high); - low=(int)(0.87*low); for (i = 1; i < GraphTraceLen; ++i) { /* Transitions are detected at each peak * Transitions are either: @@ -128,9 +127,12 @@ int Cmdaskdemod(const char *Cmd) void printBitStream(uint8_t BitStream[], uint32_t bitLen){ uint32_t i = 0; - if (bitLen<16) return; + if (bitLen<16) { + PrintAndLog("Too few bits found: %d",bitLen); + return; + } if (bitLen>512) bitLen=512; - for (i = 0; i < (bitLen-16); i+=16) { + for (i = 0; i <= (bitLen-16); i+=16) { PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", BitStream[i], BitStream[i+1], @@ -151,116 +153,186 @@ void printBitStream(uint8_t BitStream[], uint32_t bitLen){ } return; } +void printEM410x(uint64_t id) +{ + if (id !=0){ + uint64_t iii=1; + uint64_t id2lo=0; //id2hi=0, + uint32_t ii=0; + uint32_t i=0; + for (ii=5; ii>0;ii--){ + for (i=0;i<8;i++){ + id2lo=(id2lo<<1LL)|((id & (iii<<(i+((ii-1)*8))))>>(i+((ii-1)*8))); + } + } + //output em id + PrintAndLog("EM TAG ID : %010llx", id); + PrintAndLog("Unique TAG ID: %010llx", id2lo); //id2hi, + PrintAndLog("DEZ 8 : %08lld",id & 0xFFFFFF); + PrintAndLog("DEZ 10 : %010lld",id & 0xFFFFFF); + PrintAndLog("DEZ 5.5 : %05lld.%05lld",(id>>16LL) & 0xFFFF,(id & 0xFFFF)); + PrintAndLog("DEZ 3.5A : %03lld.%05lld",(id>>32ll),(id & 0xFFFF)); + PrintAndLog("DEZ 14/IK2 : %014lld",id); + PrintAndLog("DEZ 15/IK3 : %015lld",id2lo); + PrintAndLog("Other : %05lld_%03lld_%08lld",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); + } + return; +} + +int CmdEm410xDecode(const char *Cmd) +{ + uint64_t id=0; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + uint32_t i=0; + for (i=0;i8)){ - PrintAndLog("Invalid argument: %s",Cmd); - return 0; - } + int invert=0; + int clk=0; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + sscanf(Cmd, "%i %i", &clk, &invert); if (invert != 0 && invert != 1) { PrintAndLog("Invalid argument: %s", Cmd); return 0; } - uint32_t initLoopMax = 1000; - if (initLoopMax>GraphTraceLen) initLoopMax=GraphTraceLen; - // Detect high and lows + uint32_t BitLen = getFromGraphBuf(BitStream); + + int errCnt=0; + errCnt = askmandemod(BitStream, &BitLen,&clk,&invert); + if (errCnt==-1){ //if fatal error (or -1) + PrintAndLog("no data found"); + return 0; + } PrintAndLog("Using Clock: %d and invert=%d",clk,invert); - for (i = 0; i < initLoopMax; ++i) //1000 samples should be plenty to find high and low values - { - if (GraphBuffer[i] > high) - high = GraphBuffer[i]; - else if (GraphBuffer[i] < low) - low = GraphBuffer[i]; + //PrintAndLog("Data start pos:%d, lastBit:%d, stop pos:%d, numBits:%d",iii,lastBit,i,bitnum); + //move BitStream back to GraphBuffer + /* + ClearGraph(0); + for (i=0; i < bitnum; ++i){ + GraphBuffer[i]=BitStream[i]; + } + GraphTraceLen=bitnum; + RepaintGraphWindow(); + */ + //output + if (errCnt>0){ + PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); } - if ((high < 30) && ((high !=1)||(low !=-1))){ //throw away static - allow 1 and -1 (in case of threshold command first) - PrintAndLog("no data found"); + PrintAndLog("ASK/Manchester decoded bitstream:"); + // Now output the bitstream to the scrollback by line of 16 bits + printBitStream(BitStream,BitLen); + uint64_t lo =0; + lo = Em410xDecode(BitStream,BitLen); + printEM410x(lo); + + return 0; +} + +//by marshmellow +//biphase demod = 10 (or 01)=1 / 00 (or 11)=0 + + +//by marshmellow +//manchester demod +//stricktly take 10 and 01 and convert to 0 and 1 +int Cmdmandecoderaw(const char *Cmd) +{ + int i =0; + int errCnt=0; + int bitnum=0; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + int high=0,low=0; + for (;ihigh) high=GraphBuffer[i]; + else if(GraphBuffer[i]1 || low <0 ){ + PrintAndLog("Error: please raw demod the wave first then mancheseter raw decode"); return 0; } - //13% fuzz in case highs and lows aren't clipped [marshmellow] - high=(int)(0.75*high); - low=(int)(0.75*low); - - //PrintAndLog("valid high: %d - valid low: %d",high,low); - int lastBit = 0; //set first clock check - uint32_t bitnum = 0; //output counter - uint8_t tol = 32;//clock tolerance adjust - uint32_t iii = 0; - uint32_t gLen = GraphTraceLen; - if (gLen > 500) gLen=500; - uint8_t errCnt =0; - - //PrintAndLog("lastbit - %d",lastBit); - - //loop to find first wave that works - for (iii=0; iii < gLen; ++iii){ - if ((GraphBuffer[iii]>=high)||(GraphBuffer[iii]<=low)){ - lastBit=iii-clk; - //loop through to see if this start location works - for (i = iii; i < GraphTraceLen; ++i) { - if ((GraphBuffer[i] >= high) && ((i-lastBit)>(clk-((int)clk/tol)))) { // && GraphBuffer[i-1] < high - lastBit+=clk; - BitStream[bitnum] = invert; - bitnum++; - } else if ((GraphBuffer[i] <= low) && ((i-lastBit)>(clk-((int)clk/tol)))){ - //low found and we are expecting a bar - lastBit+=clk; - BitStream[bitnum] = 1-invert; - bitnum++; - } else { - //mid value found or no bar supposed to be here - if ((i-lastBit)>(clk+((int)(clk/tol)))){ - //should have hit a high or low based on clock!! - - /* - //debug - PrintAndLog("no wave in expected area - location: %d, expected: %d-%d, lastBit: %d - resetting search",i,(lastBit+(clk-((int)(clk/tol)))),(lastBit+(clk+((int)(clk/tol)))),lastBit); - if (bitnum > 0){ - BitStream[bitnum]=77; - bitnum++; - } - */ - - errCnt++; - lastBit+=clk;//skip over until hit too many errors - if (errCnt>((GraphTraceLen/1000)*2)){ //allow 2 errors for every 1000 samples else start over - errCnt=0; - bitnum=0;//start over - break; - } - } - } - } - /* - //debug - if ((bitnum>64) && (BitStream[bitnum-1]!=77)) break; - */ - } + bitnum=i; + errCnt=manrawdemod(BitStream,&bitnum); + if (errCnt>=20){ + PrintAndLog("Too many errors: %d",errCnt); + return 0; } + PrintAndLog("Manchester Decoded - # errors:%d - data:",errCnt); + printBitStream(BitStream,bitnum); + if (errCnt==0){ + //put back in graphbuffer + ClearGraph(0); + for (i=0; i0){ - PrintAndLog("# Error during Demoding: %d\n",errCnt); + PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt); } - PrintAndLog("ASK decoded bitstream:"); + PrintAndLog("ASK demoded bitstream:"); // Now output the bitstream to the scrollback by line of 16 bits - printBitStream(BitStream,bitnum); + printBitStream(BitStream,BitLen); return 0; } @@ -374,10 +446,10 @@ int CmdBitstream(const char *Cmd) bit ^= 1; AppendGraph(0, clock, bit); -// for (j = 0; j < (int)(clock/2); j++) -// GraphBuffer[(i * clock) + j] = bit ^ 1; -// for (j = (int)(clock/2); j < clock; j++) -// GraphBuffer[(i * clock) + j] = bit; + // for (j = 0; j < (int)(clock/2); j++) + // GraphBuffer[(i * clock) + j] = bit ^ 1; + // for (j = (int)(clock/2); j < clock; j++) + // GraphBuffer[(i * clock) + j] = bit; } RepaintGraphWindow(); @@ -410,147 +482,13 @@ int CmdDetectClockRate(const char *Cmd) return 0; } -//demod GraphBuffer wave to 0s and 1s for each wave - 0s for short waves 1s for long waves -size_t fsk_wave_demod(int size) -{ - uint32_t last_transition = 0; - uint32_t idx = 1; - uint32_t maxVal = 0; - // we don't care about actual value, only if it's more or less than a - // threshold essentially we capture zero crossings for later analysis - for(idx=1; idx1 transition - if (GraphBuffer[idx-1] < GraphBuffer[idx]) { // 0 -> 1 transition - if (idx-last_transition<6){ - // do nothing with extra garbage (shouldn't be any) noise tolerance? - } else if(idx-last_transition < 9) { - GraphBuffer[numBits]=1; - // Other fsk demods reverse this making the short waves 1 and long waves 0 - // this is really backwards... smaller waves will typically be 0 and larger 1 [marshmellow] - // but will leave as is and invert when needed later - } else{ - GraphBuffer[numBits]=0; - } - last_transition = idx; - numBits++; - // PrintAndLog("numbits %d",numBits); - } - } - return numBits; //Actually, it returns the number of bytes, but each byte represents a bit: 1 or 0 -} -uint32_t myround(float f) -{ - if (f >= UINT_MAX) return UINT_MAX; - return (uint32_t) (f + (float)0.5); -} -//translate 11111100000 to 10 -size_t aggregate_bits(int size, uint8_t rfLen, uint8_t maxConsequtiveBits, uint8_t invert) //,uint8_t l2h_crossing_value -{ - int lastval=GraphBuffer[0]; - uint32_t idx=0; - size_t numBits=0; - uint32_t n=1; - uint32_t n2=0; - for( idx=1; idx < size; idx++) { - - if (GraphBuffer[idx]==lastval) { - n++; - continue; - } - // if lastval was 1, we have a 1->0 crossing - if ( GraphBuffer[idx-1]==1 ) { - n=myround((float)(n+1)/((float)(rfLen)/(float)8)); //-2 noise tolerance - - // n=(n+1) / h2l_crossing_value; - //truncating could get us into trouble - //now we will try with actual clock (RF/64 or RF/50) variable instead - //then devide with float casting then truncate after more acurate division - //and round to nearest int - //like n = (((float)n)/(float)rfLen/(float)10); - } else {// 0->1 crossing - n=myround((float)(n+1)/((float)(rfLen-2)/(float)10)); // as int 120/6 = 20 as float 120/(64/10) = 18 (18.75) - //n=(n+1) / l2h_crossing_value; - } - if (n == 0) n = 1; //this should never happen... should we error if it does? - - if (n < maxConsequtiveBits) // Consecutive //when the consecutive bits are low - the noise tolerance can be high - //if it is high then we must be careful how much noise tolerance we allow - { - if (invert==0){ // do not invert bits - for (n2=0; n2 (7*32)+2) size = (7*32)+2; //only output a max of 7 blocks of 32 bits most tags will have full bit stream inside that sample size - - for (int i = 2; i < (size-16); i+=16) { - PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", - GraphBuffer[i], - GraphBuffer[i+1], - GraphBuffer[i+2], - GraphBuffer[i+3], - GraphBuffer[i+4], - GraphBuffer[i+5], - GraphBuffer[i+6], - GraphBuffer[i+7], - GraphBuffer[i+8], - GraphBuffer[i+9], - GraphBuffer[i+10], - GraphBuffer[i+11], - GraphBuffer[i+12], - GraphBuffer[i+13], - GraphBuffer[i+14], - GraphBuffer[i+15]); + ClearGraph(0); + for (i=0;i (8*32)+2) size = (8*32)+2; //only output a max of 8 blocks of 32 bits most tags will have full bit stream inside that sample size + printBitStream(BitStream,size); return 0; } +//by marshmellow (based on existing demod + holiman's refactor) +//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) +//print full HID Prox ID and some bit format details if found int CmdFSKdemodHID(const char *Cmd) { //raw fsk demod no manchester decoding no start bit finding just get binary from wave - //set defaults - uint8_t rfLen = 50; - uint8_t invert=0;//param_get8(Cmd, 0); - size_t idx=0; uint32_t hi2=0, hi=0, lo=0; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + uint32_t BitLen = getFromGraphBuf(BitStream); //get binary from fsk wave - size_t size = fskdemod(rfLen,invert); - - // final loop, go over previously decoded fsk data and now manchester decode into usable tag ID - // 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0 - int frame_marker_mask[] = {1,1,1,0,0,0}; - int numshifts = 0; - idx = 0; - while( idx + 6 < size) { - // search for a start of frame marker - - if ( memcmp(GraphBuffer+idx, frame_marker_mask, sizeof(frame_marker_mask)) == 0) - { // frame marker found - idx+=6;//sizeof(frame_marker_mask); //size of int is >6 - while(GraphBuffer[idx] != GraphBuffer[idx+1] && idx < size-2) - { - // Keep going until next frame marker (or error) - // Shift in a bit. Start by shifting high registers - hi2 = (hi2<<1)|(hi>>31); - hi = (hi<<1)|(lo>>31); - //Then, shift in a 0 or one into low - if (GraphBuffer[idx] && !GraphBuffer[idx+1]) // 1 0 - lo=(lo<<1)|0; - else // 0 1 - lo=(lo<<1)|1; - numshifts++; - idx += 2; + size_t size = HIDdemodFSK(BitStream,BitLen,&hi2,&hi,&lo); + if (size<0){ + PrintAndLog("Error demoding fsk"); + return 0; + } + if (hi2 != 0){ //extra large HID tags + PrintAndLog("TAG ID: %x%08x%08x (%d)", + (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); + } + else { //standard HID tags <38 bits + //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd + uint8_t bitlen = 0; + uint32_t fc = 0; + uint32_t cardnum = 0; + if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used + uint32_t lo2=0; + lo2=(((hi & 15) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit + uint8_t idx3 = 1; + while(lo2>1){ //find last bit set to 1 (format len bit) + lo2=lo2>>1; + idx3++; } - - //PrintAndLog("Num shifts: %d ", numshifts); - // Hopefully, we read a tag and hit upon the next frame marker - if(idx + 6 < size) - { - if ( memcmp(GraphBuffer+(idx), frame_marker_mask, sizeof(frame_marker_mask)) == 0) - { - if (hi2 != 0){ //extra large HID tags - PrintAndLog("TAG ID: %x%08x%08x (%d)", - (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); - } - else { //standard HID tags <38 bits - //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd - uint8_t bitlen = 0; - uint32_t fc = 0; - uint32_t cardnum = 0; - if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used - uint32_t lo2=0; - lo2=(((hi & 15) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit - uint8_t idx3 = 1; - while(lo2>1){ //find last bit set to 1 (format len bit) - lo2=lo2>>1; - idx3++; - } - bitlen =idx3+19; - fc =0; - cardnum=0; - if(bitlen==26){ - cardnum = (lo>>1)&0xFFFF; - fc = (lo>>17)&0xFF; - } - if(bitlen==37){ - cardnum = (lo>>1)&0x7FFFF; - fc = ((hi&0xF)<<12)|(lo>>20); - } - if(bitlen==34){ - cardnum = (lo>>1)&0xFFFF; - fc= ((hi&1)<<15)|(lo>>17); - } - if(bitlen==35){ - cardnum = (lo>>1)&0xFFFFF; - fc = ((hi&1)<<11)|(lo>>21); - } - } - else { //if bit 38 is not set then 37 bit format is used - bitlen= 37; - fc =0; - cardnum=0; - if(bitlen==37){ - cardnum = (lo>>1)&0x7FFFF; - fc = ((hi&0xF)<<12)|(lo>>20); - } - } - - PrintAndLog("TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", - (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, - (unsigned int) bitlen, (unsigned int) fc, (unsigned int) cardnum); - ClearGraph(1); - return 0; - } - } + bitlen =idx3+19; + fc =0; + cardnum=0; + if(bitlen==26){ + cardnum = (lo>>1)&0xFFFF; + fc = (lo>>17)&0xFF; + } + if(bitlen==37){ + cardnum = (lo>>1)&0x7FFFF; + fc = ((hi&0xF)<<12)|(lo>>20); + } + if(bitlen==34){ + cardnum = (lo>>1)&0xFFFF; + fc= ((hi&1)<<15)|(lo>>17); + } + if(bitlen==35){ + cardnum = (lo>>1)&0xFFFFF; + fc = ((hi&1)<<11)|(lo>>21); } - // reset - hi2 = hi = lo = 0; - numshifts = 0; - }else - { - idx++; } + else { //if bit 38 is not set then 37 bit format is used + bitlen= 37; + fc =0; + cardnum=0; + if(bitlen==37){ + cardnum = (lo>>1)&0x7FFFF; + fc = ((hi&0xF)<<12)|(lo>>20); + } + } + PrintAndLog("TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", + (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, + (unsigned int) bitlen, (unsigned int) fc, (unsigned int) cardnum); + return 0; } - if (idx + sizeof(frame_marker_mask) >= size){ - PrintAndLog("start bits for hid not found"); - PrintAndLog("FSK decoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - if(size > (7*32)+2) size = (7*32)+2; //only output a max of 7 blocks of 32 bits most tags will have full bit stream inside that sample size - printBitStream(GraphBuffer,size); - /* - for (int i = 2; i < (size-16); i+=16) { - PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", - GraphBuffer[i], - GraphBuffer[i+1], - GraphBuffer[i+2], - GraphBuffer[i+3], - GraphBuffer[i+4], - GraphBuffer[i+5], - GraphBuffer[i+6], - GraphBuffer[i+7], - GraphBuffer[i+8], - GraphBuffer[i+9], - GraphBuffer[i+10], - GraphBuffer[i+11], - GraphBuffer[i+12], - GraphBuffer[i+13], - GraphBuffer[i+14], - GraphBuffer[i+15]); - } - */ - } - ClearGraph(1); return 0; } - +//by marshmellow +//IO-Prox demod - FSK RF/64 with preamble of 000000001 +//print ioprox ID and some format details int CmdFSKdemodIO(const char *Cmd) { //raw fsk demod no manchester decoding no start bit finding just get binary from wave //set defaults - uint8_t rfLen = 64; - uint8_t invert=1; - size_t idx=0; - uint8_t testMax=0; + int idx=0; //test samples are not just noise if (GraphTraceLen < 64) return 0; - for(idx=0;idx<64;idx++){ - if (testMax40){ //Index map //0 10 20 30 40 50 60 //| | | | | | | @@ -766,65 +625,22 @@ int CmdFSKdemodIO(const char *Cmd) // //XSF(version)facility:codeone+codetwo (raw) //Handle the data - int mask[] = {0,0,0,0,0,0,0,0,0,1}; - for( idx=0; idx < (size - 74); idx++) { - if ( memcmp(GraphBuffer + idx, mask, sizeof(mask))==0) { - //frame marker found - if (GraphBuffer[idx+17]==1 && GraphBuffer[idx+26]==1 && GraphBuffer[idx+35]==1 && GraphBuffer[idx+44]==1 && GraphBuffer[idx+53]==1){ - //confirmed proper separator bits found - - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx], GraphBuffer[idx+1], GraphBuffer[idx+2], GraphBuffer[idx+3], GraphBuffer[idx+4], GraphBuffer[idx+5], GraphBuffer[idx+6], GraphBuffer[idx+7], GraphBuffer[idx+8]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx+9], GraphBuffer[idx+10], GraphBuffer[idx+11],GraphBuffer[idx+12],GraphBuffer[idx+13],GraphBuffer[idx+14],GraphBuffer[idx+15],GraphBuffer[idx+16],GraphBuffer[idx+17]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx+18], GraphBuffer[idx+19], GraphBuffer[idx+20],GraphBuffer[idx+21],GraphBuffer[idx+22],GraphBuffer[idx+23],GraphBuffer[idx+24],GraphBuffer[idx+25],GraphBuffer[idx+26]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx+27], GraphBuffer[idx+28], GraphBuffer[idx+29],GraphBuffer[idx+30],GraphBuffer[idx+31],GraphBuffer[idx+32],GraphBuffer[idx+33],GraphBuffer[idx+34],GraphBuffer[idx+35]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx+36], GraphBuffer[idx+37], GraphBuffer[idx+38],GraphBuffer[idx+39],GraphBuffer[idx+40],GraphBuffer[idx+41],GraphBuffer[idx+42],GraphBuffer[idx+43],GraphBuffer[idx+44]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",GraphBuffer[idx+45], GraphBuffer[idx+46], GraphBuffer[idx+47],GraphBuffer[idx+48],GraphBuffer[idx+49],GraphBuffer[idx+50],GraphBuffer[idx+51],GraphBuffer[idx+52],GraphBuffer[idx+53]); - PrintAndLog("%d%d%d%d%d%d%d%d %d%d",GraphBuffer[idx+54],GraphBuffer[idx+55],GraphBuffer[idx+56],GraphBuffer[idx+57],GraphBuffer[idx+58],GraphBuffer[idx+59],GraphBuffer[idx+60],GraphBuffer[idx+61],GraphBuffer[idx+62],GraphBuffer[idx+63]); - - uint32_t code = bytebits_to_byte(GraphBuffer+idx,32); - uint32_t code2 = bytebits_to_byte(GraphBuffer+idx+32,32); - short version = bytebits_to_byte(GraphBuffer+idx+27,8); //14,4 - uint8_t facilitycode = bytebits_to_byte(GraphBuffer+idx+19,8) ; - uint16_t number = (bytebits_to_byte(GraphBuffer+idx+36,8)<<8)|(bytebits_to_byte(GraphBuffer+idx+45,8)); //36,9 - - PrintAndLog("XSF(%02d)%02x:%d (%08x%08x)",version,facilitycode,number,code,code2); - ClearGraph(1); - return 0; - } else { - PrintAndLog("thought we had a valid tag but did not match format"); - } - } - } - if (idx >= (size-74)){ - PrintAndLog("start bits for io prox not found"); - PrintAndLog("FSK decoded bitstream:"); - // Now output the bitstream to the scrollback by line of 16 bits - if(size > (7*32)+2) size = (7*32)+2; //only output a max of 7 blocks of 32 bits most tags will have full bit stream inside that sample size - printBitStream(GraphBuffer,size); - /* - for (int i = 2; i < (size-16); i+=16) { - PrintAndLog("%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i%i", - GraphBuffer[i], - GraphBuffer[i+1], - GraphBuffer[i+2], - GraphBuffer[i+3], - GraphBuffer[i+4], - GraphBuffer[i+5], - GraphBuffer[i+6], - GraphBuffer[i+7], - GraphBuffer[i+8], - GraphBuffer[i+9], - GraphBuffer[i+10], - GraphBuffer[i+11], - GraphBuffer[i+12], - GraphBuffer[i+13], - GraphBuffer[i+14], - GraphBuffer[i+15]); - } - */ - } - } - ClearGraph(1); + + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); + PrintAndLog("%d%d%d%d%d%d%d%d %d%d",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); + + uint32_t code = bytebits_to_byte(BitStream+idx,32); + uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); + short version = bytebits_to_byte(BitStream+idx+27,8); //14,4 + uint8_t facilitycode = bytebits_to_byte(BitStream+idx+19,8) ; + uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 + + PrintAndLog("XSF(%02d)%02x:%d (%08x%08x)",version,facilitycode,number,code,code2); return 0; } int CmdFSKdemod(const char *Cmd) //old CmdFSKdemod needs updating @@ -1044,24 +860,56 @@ int CmdSamples(const char *Cmd) int CmdTuneSamples(const char *Cmd) { - int cnt = 0; - int n = 255; - uint8_t got[255]; - - PrintAndLog("Reading %d samples\n", n); - GetFromBigBuf(got,n,7256); // armsrc/apps.h: #define FREE_BUFFER_OFFSET 7256 - WaitForResponse(CMD_ACK,NULL); - for (int j = 0; j < n; j++) { - GraphBuffer[cnt++] = ((int)got[j]) - 128; - } + int timeout = 0; + printf("\nMeasuring antenna characteristics, please wait..."); + + UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING}; + SendCommand(&c); + + UsbCommand resp; + while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) { + timeout++; + printf("."); + if (timeout > 7) { + PrintAndLog("\nNo response from Proxmark. Aborting..."); + return 1; + } + } + + int peakv, peakf; + int vLf125, vLf134, vHf; + vLf125 = resp.arg[0] & 0xffff; + vLf134 = resp.arg[0] >> 16; + vHf = resp.arg[1] & 0xffff;; + peakf = resp.arg[2] & 0xffff; + peakv = resp.arg[2] >> 16; + PrintAndLog(""); + PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); + PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); + PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); + PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); + if (peakv<2000) + PrintAndLog("# Your LF antenna is unusable."); + else if (peakv<10000) + PrintAndLog("# Your LF antenna is marginal."); + if (vHf<2000) + PrintAndLog("# Your HF antenna is unusable."); + else if (vHf<5000) + PrintAndLog("# Your HF antenna is marginal."); + + for (int i = 0; i < 256; i++) { + GraphBuffer[i] = resp.d.asBytes[i] - 128; + } - PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n"); - PrintAndLog("\n"); - GraphTraceLen = n; - RepaintGraphWindow(); - return 0; + PrintAndLog("Done! Divisor 89 is 134khz, 95 is 125khz.\n"); + PrintAndLog("\n"); + GraphTraceLen = 256; + ShowGraphWindow(); + + return 0; } + int CmdLoad(const char *Cmd) { FILE *f = fopen(Cmd, "r"); @@ -1471,7 +1319,8 @@ static command_t CommandTable[] = {"help", CmdHelp, 1, "This help"}, {"amp", CmdAmp, 1, "Amplify peaks"}, {"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"}, - {"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate simple ASK tags and output binary (args optional-defaults='64 0'"}, + {"askmandemod", Cmdaskmandemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK/Manchester tags and output binary (args optional[clock will try Auto-detect])"}, + {"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert<0 or 1>] -- Attempt to demodulate ASK tags and output binary (args optional[clock will try Auto-detect])"}, {"autocorr", CmdAutoCorr, 1, " -- Autocorrelation over window"}, {"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"}, {"bitstream", CmdBitstream, 1, "[clock rate] -- Convert waveform into a bitstream"}, @@ -1489,6 +1338,7 @@ static command_t CommandTable[] = {"load", CmdLoad, 1, " -- Load trace (to graph window"}, {"ltrim", CmdLtrim, 1, " -- Trim samples from left of trace"}, {"mandemod", CmdManchesterDemod, 1, "[i] [clock rate] -- Manchester demodulate binary stream (option 'i' to invert output)"}, + {"manrawdecode", Cmdmandecoderaw, 1, "Manchester decode binary stream already in graph buffer"}, {"manmod", CmdManchesterMod, 1, "[clock rate] -- Manchester modulate a binary stream"}, {"norm", CmdNorm, 1, "Normalize max/min to +/-500"}, {"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},