return 0;
}
+
//by marshmellow
//takes 2 arguments - clock and invert both as integers
//attempts to demodulate ask while decoding manchester
return 0;
}
uint32_t BitLen = getFromGraphBuf(BitStream);
-
+ // PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
int errCnt=0;
errCnt = askmandemod(BitStream, &BitLen,&clk,&invert);
- if (errCnt==-1){ //if fatal error (or -1)
- //PrintAndLog("no data found");
+ if (errCnt<0){ //if fatal error (or -1)
+ // PrintAndLog("no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
return 0;
}
- PrintAndLog("Using Clock: %d and invert=%d",clk,invert);
- //no longer put BitStream back into GraphBuffer...
- //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();
- */
+ if (BitLen<16) return 0;
+ PrintAndLog("\nUsing Clock: %d - Invert: %d - Bits Found: %d",clk,invert,BitLen);
+
//output
if (errCnt>0){
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
setGraphBuf(BitStream,BitLen);
PrintAndLog("EM410x pattern found: ");
printEM410x(lo);
+ return 1;
}
- if (BitLen>16) return 1;
+ //if (BitLen>16) return 1;
return 0;
}
//prints binary found and saves in graphbuffer for further commands
int Cmdaskrawdemod(const char *Cmd)
{
- uint32_t i;
+
int invert=0;
int clk=0;
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
}
int BitLen = getFromGraphBuf(BitStream);
int errCnt=0;
- errCnt = askrawdemod(BitStream, &BitLen,&clk,&invert);
+ errCnt = askrawdemod(BitStream, &BitLen, &clk, &invert);
if (errCnt==-1){ //throw away static - allow 1 and -1 (in case of threshold command first)
PrintAndLog("no data found");
return 0;
}
- PrintAndLog("Using Clock: %d and invert=%d",clk,invert);
+ if (BitLen<16) return 0;
+ PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d",clk,invert,BitLen);
//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 < BitLen; ++i){
- GraphBuffer[i]=BitStream[i];
- }
- GraphTraceLen=BitLen;
- RepaintGraphWindow();
-
- //output
+ setGraphBuf(BitStream, BitLen);
+
if (errCnt>0){
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
}
+
PrintAndLog("ASK demoded bitstream:");
+
// Now output the bitstream to the scrollback by line of 16 bits
printBitStream(BitStream,BitLen);
- return 0;
+ return 1;
}
int CmdAutoCorr(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;
}
RepaintGraphWindow();
int CmdDetectClockRate(const char *Cmd)
{
GetClock("",0,0);
- //int clock = DetectASKClock(0);
- //PrintAndLog("Auto-detected clock rate: %d", clock);
return 0;
}
//by marshmellow
//fsk raw demod and print binary
-//takes 2 arguments - Clock and invert
-//defaults: clock = 50, invert=0
+//takes 4 arguments - Clock, invert, rchigh, rclow
+//defaults: clock = 50, invert=0, rchigh=10, rclow=8 (RF/10 RF/8 (fsk2a))
int CmdFSKrawdemod(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;
+ int rfLen = 50;
+ int invert=0;
+ int fchigh=10;
+ int fclow=8;
//set options from parameters entered with the command
+ sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
+
if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
- rfLen=param_get8(Cmd, 0); //if rfLen option only is used
+ //rfLen=param_get8(Cmd, 0); //if rfLen option only is used
if (rfLen==1){
invert=1; //if invert option only is used
rfLen = 50;
} else if(rfLen==0) rfLen=50;
}
- if (strlen(Cmd)>2) {
- rfLen=param_get8(Cmd, 0); //if both options are used
- invert=param_get8(Cmd,1);
- }
- PrintAndLog("Args invert: %d \nClock:%d",invert,rfLen);
+ PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);
uint32_t i=0;
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
uint32_t BitLen = getFromGraphBuf(BitStream);
- int size = fskdemod(BitStream,BitLen,rfLen,invert);
+ int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
if (size>0){
PrintAndLog("FSK decoded bitstream:");
ClearGraph(0);
if (idx+64>BitLen) return 0;
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]);
+ PrintAndLog("%d%d%d%d%d%d%d%d %d facility",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 version",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 code1",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 code2",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 checksum",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) ;
+ uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4
+ uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ;
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);
+ PrintAndLog("XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
setGraphBuf(BitStream,BitLen);
return 1;
}
int lowLen = sizeof (LowTone) / sizeof (int);
int highLen = sizeof (HighTone) / sizeof (int);
- int convLen = (highLen > lowLen) ? highLen : lowLen; //if highlen > lowLen then highlen else lowlen
+ int convLen = (highLen > lowLen) ? highLen : lowLen;
uint32_t hi = 0, lo = 0;
int i, j;
PrintAndLog("actual data bits start at sample %d", maxPos);
PrintAndLog("length %d/%d", highLen, lowLen);
- uint8_t bits[46];
- bits[sizeof(bits)-1] = '\0';
+ uint8_t bits[46] = {0x00};
// find bit pairs and manchester decode them
for (i = 0; i < arraylen(bits) - 1; ++i) {
int CmdSamples(const char *Cmd)
{
- int cnt = 0;
- int n;
- uint8_t got[40000];
-
- n = strtol(Cmd, NULL, 0);
- if (n == 0) n = 6000;
- if (n > sizeof(got)) n = sizeof(got);
+ uint8_t got[40000] = {0x00};
+
+ int n = strtol(Cmd, NULL, 0);
+ if (n == 0)
+ n = 20000;
+
+ if (n > sizeof(got))
+ n = sizeof(got);
- PrintAndLog("Reading %d samples\n", n);
+ PrintAndLog("Reading %d samples from device memory\n", n);
GetFromBigBuf(got,n,0);
WaitForResponse(CMD_ACK,NULL);
- for (int j = 0; j < n; j++) {
- GraphBuffer[cnt++] = ((int)got[j]) - 128;
+ for (int j = 0; j < n; ++j) {
+ GraphBuffer[j] = ((int)got[j]) - 128;
}
-
- PrintAndLog("Done!\n");
GraphTraceLen = n;
RepaintGraphWindow();
return 0;
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();
+ GraphTraceLen = 256;
+ ShowGraphWindow();
+
return 0;
}
int CmdLoad(const char *Cmd)
{
- FILE *f = fopen(Cmd, "r");
+ char filename[FILE_PATH_SIZE] = {0x00};
+ int len = 0;
+
+ len = strlen(Cmd);
+ if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+ memcpy(filename, Cmd, len);
+
+ FILE *f = fopen(filename, "r");
if (!f) {
- PrintAndLog("couldn't open '%s'", Cmd);
+ PrintAndLog("couldn't open '%s'", filename);
return 0;
}
RepaintGraphWindow();
return 0;
}
+int CmdRtrim(const char *Cmd)
+{
+ int ds = atoi(Cmd);
+
+ GraphTraceLen = ds;
+
+ RepaintGraphWindow();
+ return 0;
+}
/*
* Manchester demodulate a bitstream. The bitstream needs to be already in
int CmdSave(const char *Cmd)
{
- FILE *f = fopen(Cmd, "w");
+ char filename[FILE_PATH_SIZE] = {0x00};
+ int len = 0;
+
+ len = strlen(Cmd);
+ if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+ memcpy(filename, Cmd, len);
+
+
+ FILE *f = fopen(filename, "w");
if(!f) {
- PrintAndLog("couldn't open '%s'", Cmd);
+ PrintAndLog("couldn't open '%s'", filename);
return 0;
}
int i;
{"help", CmdHelp, 1, "This help"},
{"amp", CmdAmp, 1, "Amplify peaks"},
{"askdemod", Cmdaskdemod, 1, "<0 or 1> -- Attempt to demodulate simple ASK tags"},
- {"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])"},
+ {"askmandemod", Cmdaskmandemod, 1, "[clock] [invert <0|1>] -- Attempt to demodulate ASK/Manchester tags and output binary"},
+ {"askrawdemod", Cmdaskrawdemod, 1, "[clock] [invert <0|1>] -- Attempt to demodulate ASK tags and output binary"},
{"autocorr", CmdAutoCorr, 1, "<window length> -- Autocorrelation over window"},
{"biphaserawdecode",CmdBiphaseDecodeRaw,1,"[offset] Biphase decode binary stream already in graph buffer (offset = bit to start decode from)"},
{"bitsamples", CmdBitsamples, 0, "Get raw samples as bitstring"},
{"fskdemod", CmdFSKdemod, 1, "Demodulate graph window as a HID FSK"},
{"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate graph window as a HID FSK using raw"},
{"fskiodemod", CmdFSKdemodIO, 1, "Demodulate graph window as an IO Prox FSK using raw"},
- {"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] Demodulate graph window from FSK to binary (clock = 64 or 50)(invert = 1 or 0)"},
+ {"fskrawdemod", CmdFSKrawdemod, 1, "[clock rate] [invert] [rchigh] [rclow] Demodulate graph window from FSK to binary (clock = 50)(invert = 1 or 0)(rchigh = 10)(rclow=8)"},
{"grid", CmdGrid, 1, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
{"hexsamples", CmdHexsamples, 0, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},
{"hide", CmdHide, 1, "Hide graph window"},
{"hpf", CmdHpf, 1, "Remove DC offset from trace"},
{"load", CmdLoad, 1, "<filename> -- Load trace (to graph window"},
{"ltrim", CmdLtrim, 1, "<samples> -- Trim samples from left of trace"},
+ {"rtrim", CmdRtrim, 1, "<location to end trace> -- Trim samples from right 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"},
projects / proxmark3-svn / blobdiff