]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlf.c
update changelog
[proxmark3-svn] / client / cmdlf.c
index af24aa8095d192e8f4f40eab15e5c39cf025fa28..3d29fc071426f3e8cbc1b98f3722dfd1160d0395 100644 (file)
@@ -12,7 +12,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
-//#include "proxusb.h"
 #include "proxmark3.h"
 #include "data.h"
 #include "graph.h"
 #include "proxmark3.h"
 #include "data.h"
 #include "graph.h"
@@ -20,6 +19,7 @@
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"
+#include "util.h"
 #include "cmdlf.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlf.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"
@@ -28,6 +28,7 @@
 #include "cmdlft55xx.h"
 #include "cmdlfpcf7931.h"
 #include "cmdlfio.h"
 #include "cmdlft55xx.h"
 #include "cmdlfpcf7931.h"
 #include "cmdlfio.h"
+#include "lfdemod.h"
 
 static int CmdHelp(const char *Cmd);
 
 
 static int CmdHelp(const char *Cmd);
 
@@ -57,7 +58,7 @@ int CmdFlexdemod(const char *Cmd)
                }
        }
 
                }
        }
 
-       #define LONG_WAIT 100
+#define LONG_WAIT 100
        int start;
        for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
                int first = GraphBuffer[start];
        int start;
        for (start = 0; start < GraphTraceLen - LONG_WAIT; start++) {
                int first = GraphBuffer[start];
@@ -77,22 +78,18 @@ int CmdFlexdemod(const char *Cmd)
 
        GraphBuffer[start] = 2;
        GraphBuffer[start+1] = -2;
 
        GraphBuffer[start] = 2;
        GraphBuffer[start+1] = -2;
+       uint8_t bits[64] = {0x00};
 
 
-       uint8_t bits[64];
-
-       int bit;
+       int bit, sum;
        i = start;
        for (bit = 0; bit < 64; bit++) {
        i = start;
        for (bit = 0; bit < 64; bit++) {
-               int j;
-               int sum = 0;
-               for (j = 0; j < 16; j++) {
+               sum = 0;
+               for (int j = 0; j < 16; j++) {
                        sum += GraphBuffer[i++];
                }
                        sum += GraphBuffer[i++];
                }
-               if (sum > 0) {
-                       bits[bit] = 1;
-               } else {
-                       bits[bit] = 0;
-               }
+
+               bits[bit] = (sum > 0) ? 1 : 0;
+
                PrintAndLog("bit %d sum %d", bit, sum);
        }
 
                PrintAndLog("bit %d sum %d", bit, sum);
        }
 
@@ -110,15 +107,14 @@ int CmdFlexdemod(const char *Cmd)
                }
        }
 
                }
        }
 
+       // HACK writing back to graphbuffer.
        GraphTraceLen = 32*64;
        i = 0;
        int phase = 0;
        for (bit = 0; bit < 64; bit++) {
        GraphTraceLen = 32*64;
        i = 0;
        int phase = 0;
        for (bit = 0; bit < 64; bit++) {
-               if (bits[bit] == 0) {
-                       phase = 0;
-               } else {
-                       phase = 1;
-               }
+       
+               phase = (bits[bit] == 0) ? 0 : 1;
+               
                int j;
                for (j = 0; j < 32; j++) {
                        GraphBuffer[i++] = phase;
                int j;
                for (j = 0; j < 32; j++) {
                        GraphBuffer[i++] = phase;
@@ -137,8 +133,10 @@ int CmdIndalaDemod(const char *Cmd)
        int state = -1;
        int count = 0;
        int i, j;
        int state = -1;
        int count = 0;
        int i, j;
+
        // worst case with GraphTraceLen=64000 is < 4096
        // under normal conditions it's < 2048
        // worst case with GraphTraceLen=64000 is < 4096
        // under normal conditions it's < 2048
+
        uint8_t rawbits[4096];
        int rawbit = 0;
        int worst = 0, worstPos = 0;
        uint8_t rawbits[4096];
        int rawbit = 0;
        int worst = 0, worstPos = 0;
@@ -171,10 +169,14 @@ int CmdIndalaDemod(const char *Cmd)
                        count = 0;
                }
        }
                        count = 0;
                }
        }
+       
        if (rawbit>0){
                PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
                PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
        if (rawbit>0){
                PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);
                PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
-       } else return 0;
+       } else {
+               return 0;
+       }
+
        // Finding the start of a UID
        int uidlen, long_wait;
        if (strcmp(Cmd, "224") == 0) {
        // Finding the start of a UID
        int uidlen, long_wait;
        if (strcmp(Cmd, "224") == 0) {
@@ -184,6 +186,7 @@ int CmdIndalaDemod(const char *Cmd)
                uidlen = 64;
                long_wait = 29;
        }
                uidlen = 64;
                long_wait = 29;
        }
+
        int start;
        int first = 0;
        for (start = 0; start <= rawbit - uidlen; start++) {
        int start;
        int first = 0;
        for (start = 0; start <= rawbit - uidlen; start++) {
@@ -197,6 +200,7 @@ int CmdIndalaDemod(const char *Cmd)
                        break;
                }
        }
                        break;
                }
        }
+       
        if (start == rawbit - uidlen + 1) {
                PrintAndLog("nothing to wait for");
                return 0;
        if (start == rawbit - uidlen + 1) {
                PrintAndLog("nothing to wait for");
                return 0;
@@ -210,12 +214,12 @@ int CmdIndalaDemod(const char *Cmd)
        }
 
        // Dumping UID
        }
 
        // Dumping UID
-       uint8_t bits[224];
-       char showbits[225];
-       showbits[uidlen]='\0';
+       uint8_t bits[224] = {0x00};
+       char showbits[225] = {0x00};
        int bit;
        i = start;
        int times = 0;
        int bit;
        i = start;
        int times = 0;
+       
        if (uidlen > rawbit) {
                PrintAndLog("Warning: not enough raw bits to get a full UID");
                for (bit = 0; bit < rawbit; bit++) {
        if (uidlen > rawbit) {
                PrintAndLog("Warning: not enough raw bits to get a full UID");
                for (bit = 0; bit < rawbit; bit++) {
@@ -237,8 +241,8 @@ int CmdIndalaDemod(const char *Cmd)
        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
        int idx;
        //convert UID to HEX
        uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
        int idx;
-       uid1=0;
-       uid2=0;
+       uid1 = uid2 = 0;
+       
        if (uidlen==64){
                for( idx=0; idx<64; idx++) {
                                if (showbits[idx] == '0') {
        if (uidlen==64){
                for( idx=0; idx<64; idx++) {
                                if (showbits[idx] == '0') {
@@ -252,11 +256,8 @@ int CmdIndalaDemod(const char *Cmd)
                PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
        }
        else {
                PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
        }
        else {
-               uid3=0;
-               uid4=0;
-               uid5=0;
-               uid6=0;
-               uid7=0;
+               uid3 = uid4 = uid5 = uid6 = uid7 = 0;
+
                for( idx=0; idx<224; idx++) {
                                uid1=(uid1<<1)|(uid2>>31);
                                uid2=(uid2<<1)|(uid3>>31);
                for( idx=0; idx<224; idx++) {
                                uid1=(uid1<<1)|(uid2>>31);
                                uid2=(uid2<<1)|(uid3>>31);
@@ -264,15 +265,19 @@ int CmdIndalaDemod(const char *Cmd)
                                uid4=(uid4<<1)|(uid5>>31);
                                uid5=(uid5<<1)|(uid6>>31);
                                uid6=(uid6<<1)|(uid7>>31);
                                uid4=(uid4<<1)|(uid5>>31);
                                uid5=(uid5<<1)|(uid6>>31);
                                uid6=(uid6<<1)|(uid7>>31);
-                               if (showbits[idx] == '0') uid7=(uid7<<1)|0;
-                               else uid7=(uid7<<1)|1;
+                       
+                       if (showbits[idx] == '0') 
+                               uid7 = (uid7<<1) | 0;
+                       else 
+                               uid7 = (uid7<<1) | 1;
                        }
                PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
        }
 
        // Checking UID against next occurrences
                        }
                PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
        }
 
        // Checking UID against next occurrences
-       for (; i + uidlen <= rawbit;) {
                int failed = 0;
                int failed = 0;
+       for (; i + uidlen <= rawbit;) {
+               failed = 0;
                for (bit = 0; bit < uidlen; bit++) {
                        if (bits[bit] != rawbits[i++]) {
                                failed = 1;
                for (bit = 0; bit < uidlen; bit++) {
                        if (bits[bit] != rawbits[i++]) {
                                failed = 1;
@@ -284,9 +289,12 @@ int CmdIndalaDemod(const char *Cmd)
                }
                times += 1;
        }
                }
                times += 1;
        }
+
        PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
 
        // Remodulating for tag cloning
        PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);
 
        // Remodulating for tag cloning
+       // HACK: 2015-01-04 this will have an impact on our new way of seening lf commands (demod) 
+       // since this changes graphbuffer data.
        GraphTraceLen = 32*uidlen;
        i = 0;
        int phase = 0;
        GraphTraceLen = 32*uidlen;
        i = 0;
        int phase = 0;
@@ -309,15 +317,10 @@ int CmdIndalaDemod(const char *Cmd)
 
 int CmdIndalaClone(const char *Cmd)
 {
 
 int CmdIndalaClone(const char *Cmd)
 {
-       unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
        UsbCommand c;
        UsbCommand c;
-       uid1=0;
-       uid2=0;
-       uid3=0;
-       uid4=0;
-       uid5=0;
-       uid6=0;
-       uid7=0;  
+       unsigned int uid1, uid2, uid3, uid4, uid5, uid6, uid7;
+
+       uid1 =  uid2 = uid3 = uid4 = uid5 = uid6 = uid7 = 0;
        int n = 0, i = 0;
 
        if (strchr(Cmd,'l') != 0) {
        int n = 0, i = 0;
 
        if (strchr(Cmd,'l') != 0) {
@@ -339,9 +342,7 @@ int CmdIndalaClone(const char *Cmd)
                c.d.asDwords[4] = uid5;
                c.d.asDwords[5] = uid6;
                c.d.asDwords[6] = uid7;
                c.d.asDwords[4] = uid5;
                c.d.asDwords[5] = uid6;
                c.d.asDwords[6] = uid7;
-       } 
-       else 
-       {
+       } else {
                while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
                        uid1 = (uid1 << 4) | (uid2 >> 28);
                        uid2 = (uid2 << 4) | (n & 0xf);
                while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
                        uid1 = (uid1 << 4) | (uid2 >> 28);
                        uid2 = (uid2 << 4) | (n & 0xf);
@@ -356,18 +357,154 @@ int CmdIndalaClone(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 
+int usage_lf_read()
+{
+       PrintAndLog("Usage: lf read");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("       s            silent run no printout");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+int usage_lf_snoop()
+{
+       PrintAndLog("Usage: lf snoop");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+
+int usage_lf_config()
+{
+       PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h             This help");
+       PrintAndLog("       L             Low frequency (125 KHz)");
+       PrintAndLog("       H             High frequency (134 KHz)");
+       PrintAndLog("       q <divisor>   Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
+       PrintAndLog("       b <bps>       Sets resolution of bits per sample. Default (max): 8");
+       PrintAndLog("       d <decim>     Sets decimation. A value of N saves only 1 in N samples. Default: 1");
+       PrintAndLog("       a [0|1]       Averaging - if set, will average the stored sample value when decimating. Default: 1");
+       PrintAndLog("       t <threshold> Sets trigger threshold. 0 means no threshold");
+       PrintAndLog("Examples:");
+       PrintAndLog("      lf config b 8 L");
+       PrintAndLog("                    Samples at 125KHz, 8bps.");
+       PrintAndLog("      lf config H b 4 d 3");
+       PrintAndLog("                    Samples at 134KHz, averages three samples into one, stored with ");
+       PrintAndLog("                    a resolution of 4 bits per sample.");
+       PrintAndLog("      lf read");
+       PrintAndLog("                    Performs a read (active field)");
+       PrintAndLog("      lf snoop");
+       PrintAndLog("                    Performs a snoop (no active field)");
+       return 0;
+}
+
+int CmdLFSetConfig(const char *Cmd)
+{
+
+       uint8_t divisor =  0;//Frequency divisor
+       uint8_t bps = 0; // Bits per sample
+       uint8_t decimation = 0; //How many to keep
+       bool averaging = 1; // Defaults to true
+       bool errors = FALSE;
+       int trigger_threshold =-1;//Means no change
+       uint8_t unsigned_trigg = 0;
+
+       uint8_t cmdp =0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_config();
+               case 'H':
+                       divisor = 88;
+                       cmdp++;
+                       break;
+               case 'L':
+                       divisor = 95;
+                       cmdp++;
+                       break;
+               case 'q':
+                       errors |= param_getdec(Cmd,cmdp+1,&divisor);
+                       cmdp+=2;
+                       break;
+               case 't':
+                       errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
+                       cmdp+=2;
+                       if(!errors) trigger_threshold = unsigned_trigg;
+                       break;
+               case 'b':
+                       errors |= param_getdec(Cmd,cmdp+1,&bps);
+                       cmdp+=2;
+                       break;
+               case 'd':
+                       errors |= param_getdec(Cmd,cmdp+1,&decimation);
+                       cmdp+=2;
+                       break;
+               case 'a':
+                       averaging = param_getchar(Cmd,cmdp+1) == '1';
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;
+               }
+               if(errors) break;
+       }
+       if(cmdp == 0)
+       {
+               errors = 1;// No args
+       }
+
+       //Validations
+       if(errors)
+       {
+               return usage_lf_config();
+       }
+       //Bps is limited to 8, so fits in lower half of arg1
+       if(bps >> 8) bps = 8;
+
+       sample_config config = {
+               decimation,bps,averaging,divisor,trigger_threshold
+       };
+       //Averaging is a flag on high-bit of arg[1]
+       UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
+       memcpy(c.d.asBytes,&config,sizeof(sample_config));
+       SendCommand(&c);
+       return 0;
+}
+
 int CmdLFRead(const char *Cmd)
 {
 int CmdLFRead(const char *Cmd)
 {
-       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
-       // 'h' means higher-low-frequency, 134 kHz
-       if(*Cmd == 'h') {
-               c.arg[0] = 1;
-       } else if (*Cmd == '\0') {
-               c.arg[0] = 0;
-       } else if (sscanf(Cmd, "%"lli, &c.arg[0]) != 1) {
-               PrintAndLog("use 'read' or 'read h', or 'read <divisor>'");
-               return 0;
+
+       uint8_t cmdp = 0;
+       bool arg1 = false;
+       if (param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_read();
        }
        }
+       if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
+       //And ship it to device
+       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
+       SendCommand(&c);
+       WaitForResponse(CMD_ACK,NULL);
+       return 0;
+}
+
+int CmdLFSnoop(const char *Cmd)
+{
+       uint8_t cmdp =0;
+       if(param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_snoop();
+       }
+
+       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        return 0;
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        return 0;
@@ -376,102 +513,429 @@ int CmdLFRead(const char *Cmd)
 static void ChkBitstream(const char *str)
 {
        int i;
 static void ChkBitstream(const char *str)
 {
        int i;
-
        /* convert to bitstream if necessary */
        /* convert to bitstream if necessary */
-       for (i = 0; i < (int)(GraphTraceLen / 2); i++)
-       {
-               if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0)
-               {
-                       CmdBitstream(str);
+       for (i = 0; i < (int)(GraphTraceLen / 2); i++){
+               if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
+                       CmdGetBitStream("");
                        break;
                }
        }
 }
                        break;
                }
        }
 }
-
+//appears to attempt to simulate manchester
 int CmdLFSim(const char *Cmd)
 {
 int CmdLFSim(const char *Cmd)
 {
-       int i;
+       int i,j;
        static int gap;
 
        sscanf(Cmd, "%i", &gap);
 
        /* convert to bitstream if necessary */
        static int gap;
 
        sscanf(Cmd, "%i", &gap);
 
        /* convert to bitstream if necessary */
+
        ChkBitstream(Cmd);
 
        ChkBitstream(Cmd);
 
-       PrintAndLog("Sending data, please wait...");
-       for (i = 0; i < GraphTraceLen; i += 48) {
+       //can send 512 bits at a time (1 byte sent per bit...)
+       printf("Sending [%d bytes]", GraphTraceLen);
+       for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
                UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
                UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
-               int j;
-               for (j = 0; j < 48; j++) {
+
+               for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
                        c.d.asBytes[j] = GraphBuffer[i+j];
                }
                SendCommand(&c);
                WaitForResponse(CMD_ACK,NULL);
                        c.d.asBytes[j] = GraphBuffer[i+j];
                }
                SendCommand(&c);
                WaitForResponse(CMD_ACK,NULL);
+               printf(".");
        }
 
        }
 
-       PrintAndLog("Starting simulator...");
+       printf("\n");
+       PrintAndLog("Starting to simulate");
        UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
        SendCommand(&c);
        return 0;
 }
 
        UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
        SendCommand(&c);
        return 0;
 }
 
+int usage_lf_simfsk(void)
+{
+       //print help
+       PrintAndLog("Usage: lf simfsk [c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       H <fcHigh>     Manually set the larger Field Clock");
+       PrintAndLog("       L <fcLow>      Manually set the smaller Field Clock");
+       //PrintAndLog("       s              TBD- -to enable a gap between playback repetitions - default: no gap");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       PrintAndLog("\n  NOTE: if you set one clock manually set them all manually");
+       return 0;
+}
+
+int usage_lf_simask(void)
+{
+       //print help
+       PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       b              sim ask/biphase");
+       PrintAndLog("       m              sim ask/manchester - Default");
+       PrintAndLog("       r              sim ask/raw");
+       PrintAndLog("       s              TBD- -to enable a gap between playback repetitions - default: no gap");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       return 0;
+}
+
+int usage_lf_simpsk(void)
+{
+       //print help
+       PrintAndLog("Usage: lf simpsk [1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h              This help");
+       PrintAndLog("       c <clock>      Manually set clock - can autodetect if using DemodBuffer");
+       PrintAndLog("       i              invert data");
+       PrintAndLog("       1              set PSK1 (default)");
+       PrintAndLog("       2              set PSK2");
+       PrintAndLog("       3              set PSK3");
+       PrintAndLog("       r <carrier>    2|4|8 are valid carriers: default = 2");
+       PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
+       return 0;
+}
+
+// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
+// - allow pull data from DemodBuffer
+int CmdLFfskSim(const char *Cmd)
+{
+       //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
+       //will need FChigh, FClow, Clock, and bitstream
+       uint8_t fcHigh=0, fcLow=0, clk=0;
+       uint8_t invert=0;
+       bool errors = FALSE;
+       char hexData[32] = {0x00}; // store entered hex data
+       uint8_t data[255] = {0x00}; 
+       int dataLen = 0;
+       uint8_t cmdp = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_simfsk();
+               case 'i':
+                       invert = 1;
+                       cmdp++;
+                       break;
+               case 'c':
+                       errors |= param_getdec(Cmd,cmdp+1,&clk);
+                       cmdp+=2;
+                       break;
+               case 'H':
+                       errors |= param_getdec(Cmd,cmdp+1,&fcHigh);
+                       cmdp+=2;
+                       break;
+               case 'L':
+                       errors |= param_getdec(Cmd,cmdp+1,&fcLow);
+                       cmdp+=2;
+                       break;
+               //case 's':
+               //  separator=1;
+               //  cmdp++;
+               //  break;
+               case 'd':
+                       dataLen = param_getstr(Cmd, cmdp+1, hexData);
+                       if (dataLen==0) {
+                               errors=TRUE; 
+                       } else {
+                               dataLen = hextobinarray((char *)data, hexData);
+                       }   
+                       if (dataLen==0) errors=TRUE; 
+                       if (errors) PrintAndLog ("Error getting hex data");
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = TRUE;
+                       break;
+               }
+               if(errors) break;
+       }
+       if(cmdp == 0 && DemodBufferLen == 0)
+       {
+               errors = TRUE;// No args
+       }
+
+       //Validations
+       if(errors)
+       {
+               return usage_lf_simfsk();
+       }
+
+       if (dataLen == 0){ //using DemodBuffer 
+               if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
+                       uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0);
+                       if (ans==0){
+                               if (!fcHigh) fcHigh=10;
+                               if (!fcLow) fcLow=8;
+                               if (!clk) clk=50;
+                       }
+               }
+       } else {
+               setDemodBuf(data, dataLen, 0);
+       }
+       if (clk == 0) clk = 50;
+       if (fcHigh == 0) fcHigh = 10;
+       if (fcLow == 0) fcLow = 8;
+
+       uint16_t arg1, arg2;
+       arg1 = fcHigh << 8 | fcLow;
+       arg2 = invert << 8 | clk;
+       size_t size = DemodBufferLen;
+       if (size > USB_CMD_DATA_SIZE) {
+               PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+               size = USB_CMD_DATA_SIZE;
+       } 
+       UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+
+       memcpy(c.d.asBytes, DemodBuffer, size);
+       SendCommand(&c);
+       return 0;
+}
+
+// by marshmellow - sim ask data given clock, invert, manchester or raw, separator 
+// - allow pull data from DemodBuffer
+int CmdLFaskSim(const char *Cmd)
+{
+       //autodetect clock from Graphbuffer if using demod buffer
+       //will need clock, invert, manchester/raw as m or r, separator as s, and bitstream
+       uint8_t encoding = 1, separator = 0;
+       //char cmdp = Cmd[0], par3='m', par4=0;
+       uint8_t clk=0, invert=0;
+       bool errors = FALSE;
+       char hexData[32] = {0x00}; 
+       uint8_t data[255]= {0x00}; // store entered hex data
+       int dataLen = 0;
+       uint8_t cmdp = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_simask();
+               case 'i':
+                       invert = 1;
+                       cmdp++;
+                       break;
+               case 'c':
+                       errors |= param_getdec(Cmd,cmdp+1,&clk);
+                       cmdp+=2;
+                       break;
+               case 'b':
+                       encoding=2; //biphase
+                       cmdp++;
+                       break;
+               case 'm':
+                       encoding=1;
+                       cmdp++;
+                       break;
+               case 'r':
+                       encoding=0;
+                       cmdp++;
+                       break;
+               case 's':
+                       separator=1;
+                       cmdp++;
+                       break;
+               case 'd':
+                       dataLen = param_getstr(Cmd, cmdp+1, hexData);
+                       if (dataLen==0) {
+                               errors=TRUE; 
+                       } else {
+                               dataLen = hextobinarray((char *)data, hexData);
+                       }
+                       if (dataLen==0) errors=TRUE; 
+                       if (errors) PrintAndLog ("Error getting hex data, datalen: %d",dataLen);
+                               cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = TRUE;
+                       break;
+               }
+               if(errors) break;
+       }
+       if(cmdp == 0 && DemodBufferLen == 0)
+       {
+               errors = TRUE;// No args
+       }
+
+       //Validations
+       if(errors)
+       {
+               return usage_lf_simask();
+       }
+       if (dataLen == 0){ //using DemodBuffer
+               if (clk == 0) clk = GetAskClock("0", false, false);
+       } else {
+               setDemodBuf(data, dataLen, 0);
+       }
+       if (clk == 0) clk = 64;
+       if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
+       uint16_t arg1, arg2;
+       size_t size=DemodBufferLen;
+       arg1 = clk << 8 | encoding;
+       arg2 = invert << 8 | separator;
+       if (size > USB_CMD_DATA_SIZE) {
+               PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+               size = USB_CMD_DATA_SIZE;
+       }
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       PrintAndLog("preparing to sim ask data: %d bits", size);
+       memcpy(c.d.asBytes, DemodBuffer, size);
+       SendCommand(&c);
+       return 0;
+}
+
+// by marshmellow - sim psk data given carrier, clock, invert 
+// - allow pull data from DemodBuffer or parameters
+int CmdLFpskSim(const char *Cmd)
+{
+       //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
+       //will need carrier, Clock, and bitstream
+       uint8_t carrier=0, clk=0;
+       uint8_t invert=0;
+       bool errors = FALSE;
+       char hexData[32] = {0x00}; // store entered hex data
+       uint8_t data[255] = {0x00}; 
+       int dataLen = 0;
+       uint8_t cmdp = 0;
+       uint8_t pskType = 1;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_simpsk();
+               case 'i':
+                       invert = 1;
+                       cmdp++;
+                       break;
+               case 'c':
+                       errors |= param_getdec(Cmd,cmdp+1,&clk);
+                       cmdp+=2;
+                       break;
+               case 'r':
+                       errors |= param_getdec(Cmd,cmdp+1,&carrier);
+                       cmdp+=2;
+                       break;
+               case '1':
+                       pskType=1;
+                       cmdp++;
+                       break;
+               case '2':
+                       pskType=2;
+                       cmdp++;
+                       break;
+               case '3':
+                       pskType=3;
+                       cmdp++;
+                       break;
+               case 'd':
+                       dataLen = param_getstr(Cmd, cmdp+1, hexData);
+                       if (dataLen==0) {
+                               errors=TRUE; 
+                       } else {
+                               dataLen = hextobinarray((char *)data, hexData);
+                       }    
+                       if (dataLen==0) errors=TRUE; 
+                       if (errors) PrintAndLog ("Error getting hex data");
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = TRUE;
+                       break;
+               }
+               if (errors) break;
+       }
+       if (cmdp == 0 && DemodBufferLen == 0)
+       {
+               errors = TRUE;// No args
+       }
+
+       //Validations
+       if (errors)
+       {
+               return usage_lf_simpsk();
+       }
+       if (dataLen == 0){ //using DemodBuffer
+               PrintAndLog("Getting Clocks");
+               if (clk==0) clk = GetPskClock("", FALSE, FALSE);
+               PrintAndLog("clk: %d",clk);
+               if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE); 
+               PrintAndLog("carrier: %d", carrier);
+       } else {
+               setDemodBuf(data, dataLen, 0);
+       }
+
+       if (clk <= 0) clk = 32;
+       if (carrier == 0) carrier = 2;
+       if (pskType != 1){
+               if (pskType == 2){
+                       //need to convert psk2 to psk1 data before sim
+                       psk2TOpsk1(DemodBuffer, DemodBufferLen);
+               } else {
+                       PrintAndLog("Sorry, PSK3 not yet available");
+               }
+       }
+       uint16_t arg1, arg2;
+       arg1 = clk << 8 | carrier;
+       arg2 = invert;
+       size_t size=DemodBufferLen;
+       if (size > USB_CMD_DATA_SIZE) {
+               PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
+               size=USB_CMD_DATA_SIZE;
+       }
+       UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
+       PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
+       memcpy(c.d.asBytes, DemodBuffer, size);
+       SendCommand(&c);
+       
+       return 0;
+}
+
 int CmdLFSimBidir(const char *Cmd)
 {
 int CmdLFSimBidir(const char *Cmd)
 {
-       /* Set ADC to twice the carrier for a slight supersampling */
+       // Set ADC to twice the carrier for a slight supersampling
+       // HACK: not implemented in ARMSRC.
+       PrintAndLog("Not implemented yet.");
        UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
        SendCommand(&c);
        return 0;
 }
 
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
        UsbCommand c = {CMD_LF_SIMULATE_BIDIR, {47, 384, 0}};
        SendCommand(&c);
        return 0;
 }
 
 /* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
+/*
 int CmdLFSimManchester(const char *Cmd)
 {
        static int clock, gap;
        static char data[1024], gapstring[8];
 
 int CmdLFSimManchester(const char *Cmd)
 {
        static int clock, gap;
        static char data[1024], gapstring[8];
 
-       /* get settings/bits */
        sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
 
        sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
 
-       /* clear our graph */
        ClearGraph(0);
 
        ClearGraph(0);
 
-       /* fill it with our bitstream */
        for (int i = 0; i < strlen(data) ; ++i)
                AppendGraph(0, clock, data[i]- '0');
 
        for (int i = 0; i < strlen(data) ; ++i)
                AppendGraph(0, clock, data[i]- '0');
 
-       /* modulate */
        CmdManchesterMod("");
 
        CmdManchesterMod("");
 
-       /* show what we've done */
        RepaintGraphWindow();
 
        RepaintGraphWindow();
 
-       /* simulate */
        sprintf(&gapstring[0], "%i", gap);
        CmdLFSim(gapstring);
        return 0;
 }
        sprintf(&gapstring[0], "%i", gap);
        CmdLFSim(gapstring);
        return 0;
 }
-
-int CmdLFSnoop(const char *Cmd)
-{
-       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
-       // 'h' means higher-low-frequency, 134 kHz
-       c.arg[0] = 0;
-       c.arg[1] = -1;
-       if (*Cmd == 0) {
-               // empty
-       } else if (*Cmd == 'l') {
-               sscanf(Cmd, "l %"lli, &c.arg[1]);
-       } else if(*Cmd == 'h') {
-               c.arg[0] = 1;
-               sscanf(Cmd, "h %"lli, &c.arg[1]);
-       } else if (sscanf(Cmd, "%"lli" %"lli, &c.arg[0], &c.arg[1]) < 1) {
-               PrintAndLog("use 'snoop' or 'snoop {l,h} [trigger threshold]', or 'snoop <divisor> [trigger threshold]'");
-               return 0;
-       }
-       SendCommand(&c);
-       WaitForResponse(CMD_ACK,NULL);
-       return 0;
-}
+*/
 
 int CmdVchDemod(const char *Cmd)
 {
 
 int CmdVchDemod(const char *Cmd)
 {
@@ -553,38 +1017,120 @@ int CmdVchDemod(const char *Cmd)
 int CmdLFfind(const char *Cmd)
 {
        int ans=0;
 int CmdLFfind(const char *Cmd)
 {
        int ans=0;
-       if (!offline){
+       char cmdp = param_getchar(Cmd, 0);
+       char testRaw = param_getchar(Cmd, 1);
+       if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  lf search <0|1> [u]");
+               PrintAndLog("     <use data from Graphbuffer> , if not set, try reading data from tag.");
+               PrintAndLog("     [Search for Unknown tags] , if not set, reads only known tags.");
+               PrintAndLog("");
+               PrintAndLog("    sample: lf search     = try reading data from tag & search for known tags");
+               PrintAndLog("          : lf search 1   = use data from GraphBuffer & search for known tags");
+               PrintAndLog("          : lf search u   = try reading data from tag & search for known and unknown tags");
+               PrintAndLog("          : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
+
+               return 0;
+       }
+
+       if (!offline && (cmdp != '1')){
                ans=CmdLFRead("");
                ans=CmdSamples("20000");
                ans=CmdLFRead("");
                ans=CmdSamples("20000");
+       } else if (GraphTraceLen < 1000) {
+               PrintAndLog("Data in Graphbuffer was too small.");
+               return 0;
        }
        }
-       if (GraphTraceLen<1000) return 0;
+       if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
+
        PrintAndLog("NOTE: some demods output possible binary\n  if it finds something that looks like a tag");
        PrintAndLog("NOTE: some demods output possible binary\n  if it finds something that looks like a tag");
-       PrintAndLog("Checking for known tags:");
+       PrintAndLog("False Positives ARE possible\n");  
+       PrintAndLog("\nChecking for known tags:\n");
 
 
-       ans=Cmdaskmandemod("");
+       ans=CmdFSKdemodIO("");
        if (ans>0) {
        if (ans>0) {
-               PrintAndLog("Valid EM410x ID Found!");
+               PrintAndLog("\nValid IO Prox ID Found!");
                return 1;
        }
                return 1;
        }
-       ans=CmdFSKdemodHID("");
+
+       ans=CmdFSKdemodPyramid("");
        if (ans>0) {
        if (ans>0) {
-               PrintAndLog("Valid HID Prox ID Found!");
+               PrintAndLog("\nValid Pyramid ID Found!");
                return 1;
        }
                return 1;
        }
-       ans=CmdFSKdemodIO("");
+
+       ans=CmdFSKdemodParadox("");
+       if (ans>0) {
+               PrintAndLog("\nValid Paradox ID Found!");
+               return 1;
+       }
+
+       ans=CmdFSKdemodAWID("");
        if (ans>0) {
        if (ans>0) {
-               PrintAndLog("Valid IO Prox ID Found!");
+               PrintAndLog("\nValid AWID ID Found!");
                return 1;
        }
                return 1;
        }
+
+       ans=CmdFSKdemodHID("");
+       if (ans>0) {
+               PrintAndLog("\nValid HID Prox ID Found!");
+               return 1;
+       }
+
        //add psk and indala
        ans=CmdIndalaDecode("");
        if (ans>0) {
        //add psk and indala
        ans=CmdIndalaDecode("");
        if (ans>0) {
-               PrintAndLog("Valid Indala ID Found!");
+               PrintAndLog("\nValid Indala ID Found!");
                return 1;
        }
                return 1;
        }
- // ans=CmdIndalaDemod("224");
- // if (ans>0) return 1;
-       PrintAndLog("No Known Tags Found!\n");
+
+       ans=CmdAskEM410xDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid EM410x ID Found!");
+               return 1;
+       }
+
+       ans=CmdG_Prox_II_Demod("");
+       if (ans>0) {
+               PrintAndLog("\nValid G Prox II ID Found!");
+               return 1;
+       }
+
+       ans=EM4x50Read("", false);
+       if (ans>0) {
+               PrintAndLog("\nValid EM4x50 ID Found!");
+               return 1;
+       }       
+       PrintAndLog("\nNo Known Tags Found!\n");
+       if (testRaw=='u' || testRaw=='U'){
+               //test unknown tag formats (raw mode)
+               PrintAndLog("\nChecking for Unknown tags:\n");
+               ans=AutoCorrelate(4000, FALSE, FALSE);
+               if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
+               ans=GetFskClock("",FALSE,FALSE); //CmdDetectClockRate("F"); //
+               if (ans != 0){ //fsk
+                       ans=FSKrawDemod("",FALSE);
+                       if (ans>0) {
+                               PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+                               printDemodBuff();
+                               return 1;
+                       }
+               }
+               ans=ASKmanDemod("",FALSE,FALSE);
+               if (ans>0) {
+                       PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+                       PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
+                       printDemodBuff();
+                       return 1;
+               }
+               ans=CmdPSK1rawDemod("");
+               if (ans>0) {
+                       PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
+                       PrintAndLog("\nCould also be PSK3 - [currently not supported]");
+                       PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
+                       printDemodBuff();
+                       return 1;
+               }
+               PrintAndLog("\nNo Data Found!\n");
+       }
        return 0;
 }
 
        return 0;
 }
 
@@ -593,16 +1139,20 @@ static command_t CommandTable[] =
        {"help",        CmdHelp,            1, "This help"},
        {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
        {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
        {"help",        CmdHelp,            1, "This help"},
        {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
        {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
+       {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
        {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
        {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
        {"io",            CmdLFIO,                1, "{ ioProx tags... }"},
        {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
        {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
        {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
        {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
        {"io",            CmdLFIO,                1, "{ ioProx tags... }"},
        {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
        {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
-       {"read",        CmdLFRead,          0, "['h' or <divisor>] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134, alternatively: f=12MHz/(divisor+1))"},
-       {"search",      CmdLFfind,          1, "Read and Search for valid known tag (in offline mode it you can load first then search)"},
+       {"read",        CmdLFRead,          0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
+       {"search",      CmdLFfind,          1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
        {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
        {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
+       {"simask",      CmdLFaskSim,        0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
+       {"simfsk",      CmdLFfskSim,        0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
+       {"simpsk",      CmdLFpskSim,        0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
        {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
        {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
-       {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
+       //{"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
        {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
        {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
        {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
        {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
        {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
        {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
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