empty row..Merge branch 'master' of https://github.com/iceman1001/proxmark3

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index ea58eb54c8593e037a6180175e1654713dd3c1cf..ab89bb30bd128835a585b0c5947b60a2b20b6793 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -58,11 +58,12 @@ int CmdSetDebugMode(const char *Cmd)
 }
 
 int usage_data_printdemodbuf(){
 }
 
 int usage_data_printdemodbuf(){

-       PrintAndLog("Usage: data printdemodbuffer x o <offset>");
+               PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>");

        PrintAndLog("Options:");
        PrintAndLog("       h          This help");
        PrintAndLog("       x          output in hex (omit for binary output)");
        PrintAndLog("       o <offset> enter offset in # of bits");
        PrintAndLog("Options:");
        PrintAndLog("       h          This help");
        PrintAndLog("       x          output in hex (omit for binary output)");
        PrintAndLog("       o <offset> enter offset in # of bits");

+               PrintAndLog("       l <length> enter length to print in # of bits or hex characters respectively");

        return 0;       
 }
 
        return 0;       
 }
 


@@ -87,7 +88,8 @@ int CmdPrintDemodBuff(const char *Cmd)
        char hex[512]={0x00};
        bool hexMode = false;
        bool errors = false;
        char hex[512]={0x00};
        bool hexMode = false;
        bool errors = false;

-       uint8_t offset = 0;
+       uint32_t offset = 0; //could be size_t but no param_get16...
+       uint32_t length = 512;

        char cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
        char cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        {


@@ -103,10 +105,16 @@ int CmdPrintDemodBuff(const char *Cmd)
                        break;
                case 'o':
                case 'O':
                        break;
                case 'o':
                case 'O':

-                       offset = param_get8(Cmd, cmdp+1);
+                       offset = param_get32ex(Cmd, cmdp+1, 0, 10);

                        if (!offset) errors = true;
                        cmdp += 2;
                        break;
                        if (!offset) errors = true;
                        cmdp += 2;
                        break;

+               case 'l':
+               case 'L':
+                       length = param_get32ex(Cmd, cmdp+1, 512, 10);
+                       if (!length) errors = true;
+                       cmdp += 2;
+                       break;

                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
                        errors = true;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
                        errors = true;


@@ -116,18 +124,17 @@ int CmdPrintDemodBuff(const char *Cmd)
        }
        //Validations
        if(errors) return usage_data_printdemodbuf();
        }
        //Validations
        if(errors) return usage_data_printdemodbuf();

-
-       int numBits = (DemodBufferLen-offset) & 0x7FC; //make sure we don't exceed our string
+       length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length; 
+       int numBits = (length) & 0x00FFC; //make sure we don't exceed our string

 
        if (hexMode){
                char *buf = (char *) (DemodBuffer + offset);
 
        if (hexMode){
                char *buf = (char *) (DemodBuffer + offset);

+               numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits;

                numBits = binarraytohex(hex, buf, numBits);
                if (numBits==0) return 0;
                PrintAndLog("DemodBuffer: %s",hex);             
        } else {
                numBits = binarraytohex(hex, buf, numBits);
                if (numBits==0) return 0;
                PrintAndLog("DemodBuffer: %s",hex);             
        } else {

-               //setDemodBuf(DemodBuffer, DemodBufferLen-offset, offset);
-               char *bin = sprint_bin_break(DemodBuffer+offset,numBits,16);
-               PrintAndLog("DemodBuffer:\n%s",bin);
+               PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer+offset,numBits,16));

        }
        return 1;
 }
        }
        return 1;
 }


@@ -315,7 +322,7 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
        char amp = param_getchar(Cmd, 0);
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &amp);
        char amp = param_getchar(Cmd, 0);
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &amp);

-       if (!maxLen) maxLen = 512*64;
+       if (!maxLen) maxLen = BIGBUF_SIZE;

        if (invert != 0 && invert != 1) {
                PrintAndLog("Invalid argument: %s", Cmd);
                return 0;
        if (invert != 0 && invert != 1) {
                PrintAndLog("Invalid argument: %s", Cmd);
                return 0;


@@ -637,6 +644,32 @@ int CmdG_Prox_II_Demod(const char *Cmd)
        return 1;
 }
 
        return 1;
 }
 

+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdVikingDemod(const char *Cmd)
+{
+       if (!ASKDemod(Cmd, false, false, 1)) {
+               if (g_debugMode) PrintAndLog("ASKDemod failed");
+               return 0;
+       }
+       size_t size = DemodBufferLen;
+       //call lfdemod.c demod for Viking
+       int ans = VikingDemod_AM(DemodBuffer, &size);
+       if (ans < 0) {
+               if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+               return 0;
+       }
+       //got a good demod
+       uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
+       uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+       uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32);
+       uint8_t  checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8);
+       PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, checksum);
+       PrintAndLog("Raw: %08X%08X", raw1,raw2);
+       setDemodBuf(DemodBuffer+ans, 64, 0);
+       return 1;
+}
+

 //by marshmellow - see ASKDemod
 int Cmdaskrawdemod(const char *Cmd)
 {
 //by marshmellow - see ASKDemod
 int Cmdaskrawdemod(const char *Cmd)
 {


@@ -794,19 +827,20 @@ int CmdUndec(const char *Cmd)
                return 0;
        }
 
                return 0;
        }
 

-       uint8_t factor = param_get8ex(Cmd, 0,2, 10);
+       uint8_t factor = param_get8ex(Cmd, 0, 2, 10);

        //We have memory, don't we?
        int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
        uint32_t g_index = 0 ,s_index = 0;
        //We have memory, don't we?
        int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
        uint32_t g_index = 0 ,s_index = 0;

-       while(g_index < GraphTraceLen && s_index < MAX_GRAPH_TRACE_LEN)
+       while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN)

        {
                int count = 0;
        {
                int count = 0;

-               for(count = 0; count < factor && s_index+count < MAX_GRAPH_TRACE_LEN; count ++)
+               for (count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++)

                        swap[s_index+count] = GraphBuffer[g_index];
                        swap[s_index+count] = GraphBuffer[g_index];

-               s_index+=count;
+               s_index += count;
+               g_index++;

        }
 
        }
 

-       memcpy(GraphBuffer,swap, s_index * sizeof(int));
+       memcpy(GraphBuffer, swap, s_index * sizeof(int));

        GraphTraceLen = s_index;
        RepaintGraphWindow();
        return 0;
        GraphTraceLen = s_index;
        RepaintGraphWindow();
        return 0;


@@ -910,15 +944,14 @@ char *GetFSKType(uint8_t fchigh, uint8_t fclow, uint8_t invert)
 int FSKrawDemod(const char *Cmd, bool verbose)
 {
        //raw fsk demod  no manchester decoding no start bit finding just get binary from wave
 int FSKrawDemod(const char *Cmd, bool verbose)
 {
        //raw fsk demod  no manchester decoding no start bit finding just get binary from wave

-       //set defaults
-       int rfLen = 0;
-       int invert = 0;
-       int fchigh = 0;
-       int fclow = 0;
+       uint8_t rfLen, invert, fchigh, fclow;

 
 

+       //set defaults

        //set options from parameters entered with the command
        //set options from parameters entered with the command

-       sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
-
+       rfLen = param_get8(Cmd, 0);
+       invert = param_get8(Cmd, 1);
+       fchigh = param_get8(Cmd, 2);
+       fclow = param_get8(Cmd, 3);

        if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
                 if (rfLen==1){
                        invert = 1;   //if invert option only is used
        if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
                 if (rfLen==1){
                        invert = 1;   //if invert option only is used


@@ -930,35 +963,35 @@ int FSKrawDemod(const char *Cmd, bool verbose)
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        //get field clock lengths
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        //get field clock lengths

-       uint16_t fcs=0;
-       if (fchigh==0 || fclow == 0){
-               fcs = countFC(BitStream, BitLen, 1);
-               if (fcs==0){
-                       fchigh=10;
-                       fclow=8;
-               }else{
-                       fchigh = (fcs >> 8) & 0xFF;
-                       fclow = fcs & 0xFF;
+       uint8_t fc1=0, fc2=0, rf1=0;
+       if (!fchigh || !fclow) {
+               uint8_t ans = fskClocks(&fc1, &fc2, &rf1, false);
+               if (ans == 0) {
+                       if (g_debugMode) PrintAndLog("\nError: cannot detect valid fsk field clocks");                  
+                       return 0; // can't detect field clock

                }
                }

+               fchigh = fc1;
+               fclow = fc2;
+               if (rfLen == 0) rfLen = rf1;

        }
        //get bit clock length
        }
        //get bit clock length

-       if (rfLen==0){
+       if (!rfLen){

                rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
                rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);

-               if (rfLen == 0) rfLen = 50;
+               if (!rfLen) rfLen = 50;

        }
        }

-       int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
-       if (size>0){
-               setDemodBuf(BitStream,size,0);
+       int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow);
+       if (size > 0){
+               setDemodBuf(BitStream, size, 0);

 
                // Now output the bitstream to the scrollback by line of 16 bits
                if (verbose || g_debugMode) {
 
                // Now output the bitstream to the scrollback by line of 16 bits
                if (verbose || g_debugMode) {

-                       PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen, invert, fchigh, fclow);
-                       PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
+                       PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", rfLen, invert, fchigh, fclow);
+                       PrintAndLog("%s decoded bitstream:", GetFSKType(fchigh, fclow, invert));

                        printDemodBuff();
                }
 
                return 1;
                        printDemodBuff();
                }
 
                return 1;

-       } else{
+       } else {

                if (g_debugMode) PrintAndLog("no FSK data found");
        }
        return 0;
                if (g_debugMode) PrintAndLog("no FSK data found");
        }
        return 0;


@@ -1130,8 +1163,6 @@ int CmdFSKdemodParadox(const char *Cmd)
 //print ioprox ID and some format details
 int CmdFSKdemodIO(const char *Cmd)
 {
 //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

        int idx=0;
        //something in graphbuffer?
        if (GraphTraceLen < 65) {
        int idx=0;
        //something in graphbuffer?
        if (GraphTraceLen < 65) {


@@ -1220,7 +1251,6 @@ int CmdFSKdemodIO(const char *Cmd)
 //print full AWID Prox ID and some bit format details if found
 int CmdFSKdemodAWID(const char *Cmd)
 {
 //print full AWID Prox ID and some bit format details if found
 int CmdFSKdemodAWID(const char *Cmd)
 {

-       //raw fsk demod no manchester decoding no start bit finding just get binary from wave

        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t size = getFromGraphBuf(BitStream);
        if (size==0) return 0;
        uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
        size_t size = getFromGraphBuf(BitStream);
        if (size==0) return 0;


@@ -1495,6 +1525,10 @@ int CmdFDXBdemodBI(const char *Cmd){
                if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
                return 0;
        }
                if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
                return 0;
        }

+       if (size != 128) {
+               if (g_debugMode) PrintAndLog("Error incorrect data length found");
+               return 0;
+       }

        
        setDemodBuf(BitStream, 128, preambleIndex);
 
        
        setDemodBuf(BitStream, 128, preambleIndex);
 


@@ -1564,6 +1598,9 @@ int PSKDemod(const char *Cmd, bool verbose)
                //invalid carrier
                return 0;
        }
                //invalid carrier
                return 0;
        }

+       if (g_debugMode){
+               PrintAndLog("Carrier: rf/%d",carrier);
+       }

        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){
        int errCnt=0;
        errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
        if (errCnt > maxErr){


@@ -1603,61 +1640,33 @@ int CmdIndalaDecode(const char *Cmd)
                return 0;
        }
        uint8_t invert=0;
                return 0;
        }
        uint8_t invert=0;

-       ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert);
-       if (ans < 1) {
+       size_t size = DemodBufferLen;
+       size_t startIdx = indala26decode(DemodBuffer, &size, &invert);
+       if (startIdx < 1 || size > 224) {

                if (g_debugMode==1)
                        PrintAndLog("Error2: %d",ans);
                return -1;
        }
                if (g_debugMode==1)
                        PrintAndLog("Error2: %d",ans);
                return -1;
        }

-       char showbits[251]={0x00};
+       setDemodBuf(DemodBuffer, size, startIdx);

        if (invert)
                if (g_debugMode==1)
                        PrintAndLog("Had to invert bits");
 
        if (invert)
                if (g_debugMode==1)
                        PrintAndLog("Had to invert bits");
 

+       PrintAndLog("BitLen: %d",DemodBufferLen);

        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;

-       int idx;
-       uid1=0;
-       uid2=0;
-       PrintAndLog("BitLen: %d",DemodBufferLen);
+       uid1=bytebits_to_byte(DemodBuffer,32);
+       uid2=bytebits_to_byte(DemodBuffer+32,32);

        if (DemodBufferLen==64){
        if (DemodBufferLen==64){

-               for( idx=0; idx<64; idx++) {
-                       uid1=(uid1<<1)|(uid2>>31);
-                       if (DemodBuffer[idx] == 0) {
-                               uid2=(uid2<<1)|0;
-                               showbits[idx]='0';
-                       } else {
-                               uid2=(uid2<<1)|1;
-                               showbits[idx]='1';
-                       }
-               }
-               showbits[idx]='\0';
-               PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2);
-       }
-       else {
-               uid3=0;
-               uid4=0;
-               uid5=0;
-               uid6=0;
-               uid7=0;
-               for( idx=0; idx<DemodBufferLen; idx++) {
-                       uid1=(uid1<<1)|(uid2>>31);
-                       uid2=(uid2<<1)|(uid3>>31);
-                       uid3=(uid3<<1)|(uid4>>31);
-                       uid4=(uid4<<1)|(uid5>>31);
-                       uid5=(uid5<<1)|(uid6>>31);
-                       uid6=(uid6<<1)|(uid7>>31);
-                       if (DemodBuffer[idx] == 0) {
-                               uid7=(uid7<<1)|0;
-                               showbits[idx]='0';
-                       }
-                       else {
-                               uid7=(uid7<<1)|1;
-                               showbits[idx]='1';
-                       }
-               }
-               showbits[idx]='\0';
-               PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
+               PrintAndLog("Indala UID=%s (%x%08x)",  sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2);
+       } else {
+               uid3=bytebits_to_byte(DemodBuffer+64,32);
+               uid4=bytebits_to_byte(DemodBuffer+96,32);
+               uid5=bytebits_to_byte(DemodBuffer+128,32);
+               uid6=bytebits_to_byte(DemodBuffer+160,32);
+               uid7=bytebits_to_byte(DemodBuffer+192,32);
+               PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", 
+                    sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2, uid3, uid4, uid5, uid6, uid7);

        }
        if (g_debugMode){
                PrintAndLog("DEBUG: printing demodbuffer:");
        }
        if (g_debugMode){
                PrintAndLog("DEBUG: printing demodbuffer:");


@@ -1727,7 +1736,7 @@ int NRZrawDemod(const char *Cmd, bool verbose)
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        int errCnt=0;
        size_t BitLen = getFromGraphBuf(BitStream);
        if (BitLen==0) return 0;
        int errCnt=0;

-       errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
+       errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert);

        if (errCnt > maxErr){
                if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
                return 0;
        if (errCnt > maxErr){
                if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
                return 0;


@@ -1980,25 +1989,25 @@ int getSamples(const char *Cmd, bool silent)
 
        int n = strtol(Cmd, NULL, 0);
 
 
        int n = strtol(Cmd, NULL, 0);
 

-       if (n == 0)
-               n = sizeof(got);
-
-       if (n > sizeof(got))
+       if ( n == 0 || n > sizeof(got))

                n = sizeof(got);
 
        PrintAndLog("Reading %d bytes from device memory\n", n);
        GetFromBigBuf(got,n,0);
        PrintAndLog("Data fetched");
        UsbCommand response;
                n = sizeof(got);
 
        PrintAndLog("Reading %d bytes from device memory\n", n);
        GetFromBigBuf(got,n,0);
        PrintAndLog("Data fetched");
        UsbCommand response;

-       WaitForResponse(CMD_ACK, &response);
+       if ( !WaitForResponseTimeout(CMD_ACK, &response, 10000) ) {
+        PrintAndLog("timeout while waiting for reply.");
+               return 1;
+    }
+       

        uint8_t bits_per_sample = 8;
 
        //Old devices without this feature would send 0 at arg[0]
        if(response.arg[0] > 0)
        {
                sample_config *sc = (sample_config *) response.d.asBytes;
        uint8_t bits_per_sample = 8;
 
        //Old devices without this feature would send 0 at arg[0]
        if(response.arg[0] > 0)
        {
                sample_config *sc = (sample_config *) response.d.asBytes;

-               PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample
-                   , sc->decimation);
+               PrintAndLog("Samples @ %d bits/smpl, decimation 1:%d ", sc->bits_per_sample, sc->decimation);

                bits_per_sample = sc->bits_per_sample;
        }
        if(bits_per_sample < 8)
                bits_per_sample = sc->bits_per_sample;
        }
        if(bits_per_sample < 8)


@@ -2034,11 +2043,11 @@ int CmdTuneSamples(const char *Cmd)
        int timeout = 0;
        printf("\nMeasuring antenna characteristics, please wait...");
 
        int timeout = 0;
        printf("\nMeasuring antenna characteristics, please wait...");
 

-       UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING};
+       UsbCommand c = {CMD_MEASURE_ANTENNA_TUNING, {0,0,0}};
+       clearCommandBuffer();

        SendCommand(&c);
        SendCommand(&c);

-

        UsbCommand resp;
        UsbCommand resp;

-       while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING,&resp,1000)) {
+       while(!WaitForResponseTimeout(CMD_MEASURED_ANTENNA_TUNING, &resp, 2000)) {

                timeout++;
                printf(".");
                if (timeout > 7) {
                timeout++;
                printf(".");
                if (timeout > 7) {


@@ -2084,7 +2093,6 @@ int CmdTuneSamples(const char *Cmd)
                ShowGraphWindow();
                RepaintGraphWindow();
        }
                ShowGraphWindow();
                RepaintGraphWindow();
        }

-

        return 0;
 }
 
        return 0;
 }
 


@@ -2100,7 +2108,7 @@ int CmdLoad(const char *Cmd)
        
        FILE *f = fopen(filename, "r");
        if (!f) {
        
        FILE *f = fopen(filename, "r");
        if (!f) {

-                PrintAndLog("couldn't open '%s'", filename);
+               PrintAndLog("couldn't open '%s'", filename);

                return 0;
        }
 
                return 0;
        }
 


@@ -2119,11 +2127,13 @@ int CmdLoad(const char *Cmd)
 int CmdLtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);
 int CmdLtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);

-       if (GraphTraceLen<=0) return 0;
+
+       if (GraphTraceLen <= 0) return 0;
+

        for (int i = ds; i < GraphTraceLen; ++i)
                GraphBuffer[i-ds] = GraphBuffer[i];
        for (int i = ds; i < GraphTraceLen; ++i)
                GraphBuffer[i-ds] = GraphBuffer[i];

-       GraphTraceLen -= ds;

 
 

+       GraphTraceLen -= ds;

        RepaintGraphWindow();
        return 0;
 }
        RepaintGraphWindow();
        return 0;
 }


@@ -2132,9 +2142,7 @@ int CmdLtrim(const char *Cmd)
 int CmdRtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);
 int CmdRtrim(const char *Cmd)
 {
        int ds = atoi(Cmd);

-

        GraphTraceLen = ds;
        GraphTraceLen = ds;

-

        RepaintGraphWindow();
        return 0;
 }
        RepaintGraphWindow();
        return 0;
 }


@@ -2318,21 +2326,15 @@ int Cmdbin2hex(const char *Cmd)
 }
 
 int usage_data_hex2bin(){
 }
 
 int usage_data_hex2bin(){

-
-       PrintAndLog("Usage: data bin2hex <binary_digits>");
+       PrintAndLog("Usage: data hex2bin <hex_digits>");

        PrintAndLog("       This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
        return 0;
        PrintAndLog("       This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
        return 0;

-

 }
 
 int Cmdhex2bin(const char *Cmd)
 {
        int bg =0, en =0;
 }
 
 int Cmdhex2bin(const char *Cmd)
 {
        int bg =0, en =0;

-       if(param_getptr(Cmd, &bg, &en, 0))
-       {
-               return usage_data_hex2bin();
-       }
-
+       if(param_getptr(Cmd, &bg, &en, 0))  return usage_data_hex2bin();

 
        while(bg <= en )
        {
 
        while(bg <= en )
        {


@@ -2393,14 +2395,14 @@ static command_t CommandTable[] =
        {"manrawdecode",    Cmdmandecoderaw,    1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
        {"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
        {"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},
        {"manrawdecode",    Cmdmandecoderaw,    1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
        {"norm",            CmdNorm,            1, "Normalize max/min to +/-128"},
        {"plot",            CmdPlot,            1, "Show graph window (hit 'h' in window for keystroke help)"},

-       {"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> -- print the data in the DemodBuffer - 'x' for hex output"},
+       {"printdemodbuffer",CmdPrintDemodBuff,  1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},

        {"pskindalademod",  CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
        {"psknexwatchdemod",CmdPSKNexWatch,     1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
        {"rawdemod",        CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},  
        {"samples",         CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
        {"save",            CmdSave,            1, "<filename> -- Save trace (from graph window)"},
        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},
        {"pskindalademod",  CmdIndalaDecode,    1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
        {"psknexwatchdemod",CmdPSKNexWatch,     1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
        {"rawdemod",        CmdRawDemod,        1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},  
        {"samples",         CmdSamples,         0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
        {"save",            CmdSave,            1, "<filename> -- Save trace (from graph window)"},
        {"scale",           CmdScale,           1, "<int> -- Set cursor display scale"},

-       {"setdebugmode",    CmdSetDebugMode,    1, "<0|1> -- Turn on or off Debugging Mode for demods"},
+       {"setdebugmode",    CmdSetDebugMode,    1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},

        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
        {"dirthreshold",    CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
        {"tune",            CmdTuneSamples,     0, "Get hw tune samples for graph window"},
        {"shiftgraphzero",  CmdGraphShiftZero,  1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
        {"dirthreshold",    CmdDirectionalThreshold,   1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
        {"tune",            CmdTuneSamples,     0, "Get hw tune samples for graph window"},