]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlf.c
needs a ; ... ...
[proxmark3-svn] / client / cmdlf.c
index 34e0c1c765c0ff8260162295c8952a5e153245e9..49c9ea39ef23a15f1b13a1518ec781e3aeef0f90 100644 (file)
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <stdbool.h>
+#include <stdint.h>
 #include "proxmark3.h"
 #include "proxmark3.h"
-#include "data.h"
-#include "graph.h"
-#include "ui.h"
-#include "cmdparser.h"
-#include "cmdmain.h"
-#include "cmddata.h"
-#include "util.h"
 #include "cmdlf.h"
 #include "cmdlf.h"
-#include "cmdlfhid.h"
-#include "cmdlfawid.h"
-#include "cmdlfti.h"
-#include "cmdlfem4x.h"
-#include "cmdlfhitag.h"
-#include "cmdlft55xx.h"
-#include "cmdlfpcf7931.h"
-#include "cmdlfio.h"
-#include "cmdlfviking.h"
-#include "lfdemod.h"
-
+#include "lfdemod.h"     // for psk2TOpsk1
+#include "util.h"        // for parsing cli command utils
+#include "ui.h"          // for show graph controls
+#include "graph.h"       // for graph data
+#include "cmdparser.h"   // for getting cli commands included in cmdmain.h
+#include "cmdmain.h"     // for sending cmds to device
+#include "data.h"        // for GetFromBigBuf
+#include "cmddata.h"     // for `lf search`
+#include "cmdlfawid.h"   // for awid menu
+#include "cmdlfem4x.h"   // for em4x menu
+#include "cmdlfhid.h"    // for hid menu
+#include "cmdlfhitag.h"  // for hitag menu
+#include "cmdlfio.h"     // for ioprox menu
+#include "cmdlft55xx.h"  // for t55xx menu
+#include "cmdlfti.h"     // for ti menu
+#include "cmdlfpresco.h" // for presco menu
+#include "cmdlfpcf7931.h"// for pcf7931 menu
+#include "cmdlfpyramid.h"// for pyramid menu
+#include "cmdlfviking.h" // for viking menu
+#include "cmdlfcotag.h"  // for COTAG menu
+#include "cmdlfvisa2000.h"  // for VISA2000 menu
+#include "cmdlfindala.h" // for indala menu
+#include "cmdlfgproxii.h"// for gproxii menu
+#include "cmdlffdx.h"    // for fdx-b menu
+#include "cmdlfparadox.h"// for paradox menu
+#include "cmdlfnexwatch.h"//for nexwatch menu
+#include "cmdlfjablotron.h" //for jablotron menu
+#include "cmdlfnoralsy.h"// for noralsy menu
+#include "cmdlfsecurakey.h"//for securakey menu
+
+bool g_lf_threshold_set = false;
 static int CmdHelp(const char *Cmd);
 
 
 
 static int CmdHelp(const char *Cmd);
 
 
 
-int usage_lf_cmdread()
+int usage_lf_cmdread(void)
 {
        PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
        PrintAndLog("Options:        ");
 {
        PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
        PrintAndLog("Options:        ");
@@ -59,7 +74,7 @@ int CmdLFCommandRead(const char *Cmd)
 {
        static char dummy[3] = {0x20,0x00,0x00};
        UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
 {
        static char dummy[3] = {0x20,0x00,0x00};
        UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
-       bool errors = FALSE;
+       bool errors = false;
        //uint8_t divisor = 95; //125khz
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
        //uint8_t divisor = 95; //125khz
        uint8_t cmdp = 0;
        while(param_getchar(Cmd, cmdp) != 0x00)
@@ -190,255 +205,19 @@ int CmdFlexdemod(const char *Cmd)
 
        RepaintGraphWindow();
        return 0;
 
        RepaintGraphWindow();
        return 0;
-}
-       
-int CmdIndalaDemod(const char *Cmd)
-{
-       // Usage: recover 64bit UID by default, specify "224" as arg to recover a 224bit UID
-
-       int state = -1;
-       int count = 0;
-       int i, j;
-
-       // 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;
-       // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
-       
-       // loop through raw signal - since we know it is psk1 rf/32 fc/2 skip every other value (+=2)
-       for (i = 0; i < GraphTraceLen-1; i += 2) {
-               count += 1;
-               if ((GraphBuffer[i] > GraphBuffer[i + 1]) && (state != 1)) {
-                       // appears redundant - marshmellow
-                       if (state == 0) {
-                               for (j = 0; j <  count - 8; j += 16) {
-                                       rawbits[rawbit++] = 0;
-                               }
-                               if ((abs(count - j)) > worst) {
-                                       worst = abs(count - j);
-                                       worstPos = i;
-                               }
-                       }
-                       state = 1;
-                       count = 0;
-               } else if ((GraphBuffer[i] < GraphBuffer[i + 1]) && (state != 0)) {
-                       //appears redundant
-                       if (state == 1) {
-                               for (j = 0; j <  count - 8; j += 16) {
-                                       rawbits[rawbit++] = 1;
-                               }
-                               if ((abs(count - j)) > worst) {
-                                       worst = abs(count - j);
-                                       worstPos = i;
-                               }
-                       }
-                       state = 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);
-       } else {
-               return 0;
-       }
-
-       // Finding the start of a UID
-       int uidlen, long_wait;
-       if (strcmp(Cmd, "224") == 0) {
-               uidlen = 224;
-               long_wait = 30;
-       } else {
-               uidlen = 64;
-               long_wait = 29;
-       }
+}      
 
 
-       int start;
-       int first = 0;
-       for (start = 0; start <= rawbit - uidlen; start++) {
-               first = rawbits[start];
-               for (i = start; i < start + long_wait; i++) {
-                       if (rawbits[i] != first) {
-                               break;
-                       }
-               }
-               if (i == (start + long_wait)) {
-                       break;
-               }
-       }
-       
-       if (start == rawbit - uidlen + 1) {
-               PrintAndLog("nothing to wait for");
-               return 0;
-       }
-
-       // Inverting signal if needed
-       if (first == 1) {
-               for (i = start; i < rawbit; i++) {
-                       rawbits[i] = !rawbits[i];
-               }
-       }
-
-       // Dumping UID
-       uint8_t bits[224] = {0x00};
-       char showbits[225] = {0x00};
-       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++) {
-                       bits[bit] = rawbits[i++];
-                       // As we cannot know the parity, let's use "." and "/"
-                       showbits[bit] = '.' + bits[bit];
-               }
-               showbits[bit+1]='\0';
-               PrintAndLog("Partial UID=%s", showbits);
-               return 0;
-       } else {
-               for (bit = 0; bit < uidlen; bit++) {
-                       bits[bit] = rawbits[i++];
-                       showbits[bit] = '0' + bits[bit];
-               }
-               times = 1;
-       }
-       
-       //convert UID to HEX
-       uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
-       int idx;
-       uid1 = uid2 = 0;
-       
-       if (uidlen==64){
-               for( idx=0; idx<64; idx++) {
-                               if (showbits[idx] == '0') {
-                               uid1=(uid1<<1)|(uid2>>31);
-                               uid2=(uid2<<1)|0;
-                               } else {
-                               uid1=(uid1<<1)|(uid2>>31);
-                               uid2=(uid2<<1)|1;
-                               } 
-                       }
-               PrintAndLog("UID=%s (%x%08x)", showbits, uid1, uid2);
-       }
-       else {
-               uid3 = uid4 = uid5 = uid6 = uid7 = 0;
-
-               for( idx=0; idx<224; 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 (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
-               int failed = 0;
-       for (; i + uidlen <= rawbit;) {
-               failed = 0;
-               for (bit = 0; bit < uidlen; bit++) {
-                       if (bits[bit] != rawbits[i++]) {
-                               failed = 1;
-                               break;
-                       }
-               }
-               if (failed == 1) {
-                       break;
-               }
-               times += 1;
-       }
-
-       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;
-       for (bit = 0; bit < uidlen; bit++) {
-               if (bits[bit] == 0) {
-                       phase = 0;
-               } else {
-                       phase = 1;
-               }
-               int j;
-               for (j = 0; j < 32; j++) {
-                       GraphBuffer[i++] = phase;
-                       phase = !phase;
-               }
-       }
-
-       RepaintGraphWindow();
-       return 1;
-}
-
-int CmdIndalaClone(const char *Cmd)
-{
-       UsbCommand c;
-       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) {
-               while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-                       uid1 = (uid1 << 4) | (uid2 >> 28);
-                       uid2 = (uid2 << 4) | (uid3 >> 28);
-                       uid3 = (uid3 << 4) | (uid4 >> 28);
-                       uid4 = (uid4 << 4) | (uid5 >> 28);
-                       uid5 = (uid5 << 4) | (uid6 >> 28);
-                       uid6 = (uid6 << 4) | (uid7 >> 28);
-                       uid7 = (uid7 << 4) | (n & 0xf);
-               }
-               PrintAndLog("Cloning 224bit tag with UID %x%08x%08x%08x%08x%08x%08x", uid1, uid2, uid3, uid4, uid5, uid6, uid7);
-               c.cmd = CMD_INDALA_CLONE_TAG_L;
-               c.d.asDwords[0] = uid1;
-               c.d.asDwords[1] = uid2;
-               c.d.asDwords[2] = uid3;
-               c.d.asDwords[3] = uid4;
-               c.d.asDwords[4] = uid5;
-               c.d.asDwords[5] = uid6;
-               c.d.asDwords[6] = uid7;
-       } else {
-               while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
-                       uid1 = (uid1 << 4) | (uid2 >> 28);
-                       uid2 = (uid2 << 4) | (n & 0xf);
-               }
-               PrintAndLog("Cloning 64bit tag with UID %x%08x", uid1, uid2);
-               c.cmd = CMD_INDALA_CLONE_TAG;
-               c.arg[0] = uid1;
-               c.arg[1] = uid2;
-       }
-
-       clearCommandBuffer();
-       SendCommand(&c);
-       return 0;
-}
-
-int usage_lf_read()
+int usage_lf_read(void)
 {
        PrintAndLog("Usage: lf read");
        PrintAndLog("Options:        ");
        PrintAndLog("       h            This help");
        PrintAndLog("       s            silent run no printout");
 {
        PrintAndLog("Usage: lf read");
        PrintAndLog("Options:        ");
        PrintAndLog("       h            This help");
        PrintAndLog("       s            silent run no printout");
-       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("       [# samples]  # samples to collect (optional)");     
        PrintAndLog("Use 'lf config' to set parameters.");
        return 0;
 }
        PrintAndLog("Use 'lf config' to set parameters.");
        return 0;
 }
-int usage_lf_snoop()
+int usage_lf_snoop(void)
 {
        PrintAndLog("Usage: lf snoop");
        PrintAndLog("Options:        ");
 {
        PrintAndLog("Usage: lf snoop");
        PrintAndLog("Options:        ");
@@ -448,7 +227,7 @@ int usage_lf_snoop()
        return 0;
 }
 
        return 0;
 }
 
-int usage_lf_config()
+int usage_lf_config(void)
 {
        PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
        PrintAndLog("Options:        ");
 {
        PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
        PrintAndLog("Options:        ");
@@ -480,7 +259,7 @@ int CmdLFSetConfig(const char *Cmd)
        uint8_t bps = 0; // Bits per sample
        uint8_t decimation = 0; //How many to keep
        bool averaging = 1; // Defaults to true
        uint8_t bps = 0; // Bits per sample
        uint8_t decimation = 0; //How many to keep
        bool averaging = 1; // Defaults to true
-       bool errors = FALSE;
+       bool errors = false;
        int trigger_threshold =-1;//Means no change
        uint8_t unsigned_trigg = 0;
 
        int trigger_threshold =-1;//Means no change
        uint8_t unsigned_trigg = 0;
 
@@ -506,7 +285,10 @@ int CmdLFSetConfig(const char *Cmd)
                case 't':
                        errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
                        cmdp+=2;
                case 't':
                        errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
                        cmdp+=2;
-                       if(!errors) trigger_threshold = unsigned_trigg;
+                       if(!errors) {
+                               trigger_threshold = unsigned_trigg;
+                               if (trigger_threshold > 0) g_lf_threshold_set = true;
+                       }
                        break;
                case 'b':
                        errors |= param_getdec(Cmd,cmdp+1,&bps);
                        break;
                case 'b':
                        errors |= param_getdec(Cmd,cmdp+1,&bps);
@@ -538,7 +320,7 @@ int CmdLFSetConfig(const char *Cmd)
                return usage_lf_config();
        }
        //Bps is limited to 8, so fits in lower half of arg1
                return usage_lf_config();
        }
        //Bps is limited to 8, so fits in lower half of arg1
-       if(bps >> 8) bps = 8;
+       if(bps >> 4) bps = 8;
 
        sample_config config = {
                decimation,bps,averaging,divisor,trigger_threshold
 
        sample_config config = {
                decimation,bps,averaging,divisor,trigger_threshold
@@ -551,27 +333,41 @@ int CmdLFSetConfig(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 
+bool lf_read(bool silent, uint32_t samples) {
+       if (offline) return false;
+       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {silent,samples,0}};
+       clearCommandBuffer();
+       //And ship it to device
+       SendCommand(&c);
+
+       UsbCommand resp;
+       if (g_lf_threshold_set) {
+               WaitForResponse(CMD_ACK,&resp);
+       } else {
+               if ( !WaitForResponseTimeout(CMD_ACK,&resp,2500) ) {
+                       PrintAndLog("command execution time out");
+                       return false;
+               }
+       }
+       getSamples(resp.arg[0], silent);
+
+       return true;
+}
+
 int CmdLFRead(const char *Cmd)
 {
 int CmdLFRead(const char *Cmd)
 {
-
        uint8_t cmdp = 0;
        uint8_t cmdp = 0;
-       bool arg1 = false;
+       bool silent = false;
        if (param_getchar(Cmd, cmdp) == 'h')
        {
                return usage_lf_read();
        }
        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}};
-       clearCommandBuffer();
-       SendCommand(&c);
-       //WaitForResponse(CMD_ACK,NULL);        
-       if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
-               PrintAndLog("command execution time out");
-               return 1;
+       if (param_getchar(Cmd, cmdp) == 's') {
+               silent = true; //suppress print
+               cmdp++;
        }
        }
-
-       return 0;
+       uint32_t samples = param_get32ex(Cmd, cmdp, 0, 10);
+       return lf_read(silent, samples);
 }
 
 int CmdLFSnoop(const char *Cmd)
 }
 
 int CmdLFSnoop(const char *Cmd)
@@ -586,6 +382,8 @@ int CmdLFSnoop(const char *Cmd)
        clearCommandBuffer();
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        clearCommandBuffer();
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
+       getSamples(0, true);
+
        return 0;
 }
 
        return 0;
 }
 
@@ -662,7 +460,7 @@ int usage_lf_simask(void)
        PrintAndLog("       b              sim ask/biphase");
        PrintAndLog("       m              sim ask/manchester - Default");
        PrintAndLog("       r              sim ask/raw");
        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("       s              add t55xx Sequence Terminator gap - default: no gaps (only manchester)");
        PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
        return 0;
 }
        PrintAndLog("       d <hexdata>    Data to sim as hex - omit to sim from DemodBuffer");
        return 0;
 }
@@ -683,7 +481,7 @@ int usage_lf_simpsk(void)
        return 0;
 }
 
        return 0;
 }
 
-// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert 
+// by marshmellow - sim fsk data given clock, fcHigh, fcLow, invert 
 // - allow pull data from DemodBuffer
 int CmdLFfskSim(const char *Cmd)
 {
 // - allow pull data from DemodBuffer
 int CmdLFfskSim(const char *Cmd)
 {
@@ -691,7 +489,7 @@ int CmdLFfskSim(const char *Cmd)
        // otherwise will need FChigh, FClow, Clock, and bitstream
        uint8_t fcHigh=0, fcLow=0, clk=0;
        uint8_t invert=0;
        // otherwise will need FChigh, FClow, Clock, and bitstream
        uint8_t fcHigh=0, fcLow=0, clk=0;
        uint8_t invert=0;
-       bool errors = FALSE;
+       bool errors = false;
        char hexData[32] = {0x00}; // store entered hex data
        uint8_t data[255] = {0x00}; 
        int dataLen = 0;
        char hexData[32] = {0x00}; // store entered hex data
        uint8_t data[255] = {0x00}; 
        int dataLen = 0;
@@ -725,24 +523,24 @@ int CmdLFfskSim(const char *Cmd)
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
-                               errors=TRUE
+                               errors=true
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }   
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }   
-                       if (dataLen==0) errors=TRUE
+                       if (dataLen==0) errors=true
                        if (errors) PrintAndLog ("Error getting hex data");
                        cmdp+=2;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
                        if (errors) PrintAndLog ("Error getting hex data");
                        cmdp+=2;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
-                       errors = TRUE;
+                       errors = true;
                        break;
                }
                if(errors) break;
        }
        if(cmdp == 0 && DemodBufferLen == 0)
        {
                        break;
                }
                if(errors) break;
        }
        if(cmdp == 0 && DemodBufferLen == 0)
        {
-               errors = TRUE;// No args
+               errors = true;// No args
        }
 
        //Validations
        }
 
        //Validations
@@ -750,10 +548,10 @@ int CmdLFfskSim(const char *Cmd)
        {
                return usage_lf_simfsk();
        }
        {
                return usage_lf_simfsk();
        }
-
+       int firstClockEdge = 0;
        if (dataLen == 0){ //using DemodBuffer 
                if (clk==0 || fcHigh==0 || fcLow==0){ //manual settings must set them all
        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);
+                       uint8_t ans = fskClocks(&fcHigh, &fcLow, &clk, 0, &firstClockEdge);
                        if (ans==0){
                                if (!fcHigh) fcHigh=10;
                                if (!fcLow) fcLow=8;
                        if (ans==0){
                                if (!fcHigh) fcHigh=10;
                                if (!fcLow) fcLow=8;
@@ -793,7 +591,7 @@ int CmdLFaskSim(const char *Cmd)
        // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
        uint8_t encoding = 1, separator = 0;
        uint8_t clk=0, invert=0;
        // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
        uint8_t encoding = 1, separator = 0;
        uint8_t clk=0, invert=0;
-       bool errors = FALSE;
+       bool errors = false;
        char hexData[32] = {0x00}; 
        uint8_t data[255]= {0x00}; // store entered hex data
        int dataLen = 0;
        char hexData[32] = {0x00}; 
        uint8_t data[255]= {0x00}; // store entered hex data
        int dataLen = 0;
@@ -831,24 +629,24 @@ int CmdLFaskSim(const char *Cmd)
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
-                               errors=TRUE
+                               errors=true
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }
-                       if (dataLen==0) errors=TRUE
+                       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));
                        if (errors) PrintAndLog ("Error getting hex data, datalen: %d",dataLen);
                                cmdp+=2;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
-                       errors = TRUE;
+                       errors = true;
                        break;
                }
                if(errors) break;
        }
        if(cmdp == 0 && DemodBufferLen == 0)
        {
                        break;
                }
                if(errors) break;
        }
        if(cmdp == 0 && DemodBufferLen == 0)
        {
-               errors = TRUE;// No args
+               errors = true;// No args
        }
 
        //Validations
        }
 
        //Validations
@@ -887,7 +685,7 @@ int CmdLFpskSim(const char *Cmd)
        //will need carrier, Clock, and bitstream
        uint8_t carrier=0, clk=0;
        uint8_t invert=0;
        //will need carrier, Clock, and bitstream
        uint8_t carrier=0, clk=0;
        uint8_t invert=0;
-       bool errors = FALSE;
+       bool errors = false;
        char hexData[32] = {0x00}; // store entered hex data
        uint8_t data[255] = {0x00}; 
        int dataLen = 0;
        char hexData[32] = {0x00}; // store entered hex data
        uint8_t data[255] = {0x00}; 
        int dataLen = 0;
@@ -926,24 +724,24 @@ int CmdLFpskSim(const char *Cmd)
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
                case 'd':
                        dataLen = param_getstr(Cmd, cmdp+1, hexData);
                        if (dataLen==0) {
-                               errors=TRUE
+                               errors=true
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }    
                        } else {
                                dataLen = hextobinarray((char *)data, hexData);
                        }    
-                       if (dataLen==0) errors=TRUE
+                       if (dataLen==0) errors=true
                        if (errors) PrintAndLog ("Error getting hex data");
                        cmdp+=2;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
                        if (errors) PrintAndLog ("Error getting hex data");
                        cmdp+=2;
                        break;
                default:
                        PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
-                       errors = TRUE;
+                       errors = true;
                        break;
                }
                if (errors) break;
        }
        if (cmdp == 0 && DemodBufferLen == 0)
        {
                        break;
                }
                if (errors) break;
        }
        if (cmdp == 0 && DemodBufferLen == 0)
        {
-               errors = TRUE;// No args
+               errors = true;// No args
        }
 
        //Validations
        }
 
        //Validations
@@ -953,9 +751,9 @@ int CmdLFpskSim(const char *Cmd)
        }
        if (dataLen == 0){ //using DemodBuffer
                PrintAndLog("Getting Clocks");
        }
        if (dataLen == 0){ //using DemodBuffer
                PrintAndLog("Getting Clocks");
-               if (clk==0) clk = GetPskClock("", FALSE, FALSE);
+               if (clk==0) clk = GetPskClock("", false, false);
                PrintAndLog("clk: %d",clk);
                PrintAndLog("clk: %d",clk);
-               if (!carrier) carrier = GetPskCarrier("", FALSE, FALSE); 
+               if (!carrier) carrier = GetPskCarrier("", false, false); 
                PrintAndLog("carrier: %d", carrier);
        } else {
                setDemodBuf(data, dataLen, 0);
                PrintAndLog("carrier: %d", carrier);
        } else {
                setDemodBuf(data, dataLen, 0);
@@ -1074,10 +872,41 @@ int CmdVchDemod(const char *Cmd)
        return 0;
 }
 
        return 0;
 }
 
+
+//by marshmellow
+int CheckChipType(char cmdp) {
+       uint32_t wordData = 0;
+
+       if (offline || cmdp == '1') return 0;
+
+       save_restoreGB(GRAPH_SAVE);
+       save_restoreDB(GRAPH_SAVE);
+       //check for em4x05/em4x69 chips first
+       if (EM4x05Block0Test(&wordData)) {
+               PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nTry lf em 4x05... commands\n");
+               save_restoreGB(GRAPH_RESTORE);
+               save_restoreDB(GRAPH_RESTORE);
+               return 1;
+       }
+
+       //check for t55xx chip...
+       if (tryDetectP1(true)) {
+               PrintAndLog("\nValid T55xx Chip Found\nTry lf t55xx ... commands\n");
+               save_restoreGB(GRAPH_RESTORE);
+               save_restoreDB(GRAPH_RESTORE);
+               return 1;               
+       }
+       save_restoreGB(GRAPH_RESTORE);
+       save_restoreDB(GRAPH_RESTORE);
+       return 0;
+}
+
 //by marshmellow
 int CmdLFfind(const char *Cmd)
 {
 //by marshmellow
 int CmdLFfind(const char *Cmd)
 {
+       uint32_t wordData = 0;
        int ans=0;
        int ans=0;
+       size_t minLength = 1000;
        char cmdp = param_getchar(Cmd, 0);
        char testRaw = param_getchar(Cmd, 1);
        if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
        char cmdp = param_getchar(Cmd, 0);
        char testRaw = param_getchar(Cmd, 1);
        if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
@@ -1093,10 +922,9 @@ int CmdLFfind(const char *Cmd)
                return 0;
        }
 
                return 0;
        }
 
-       if (!offline && (cmdp != '1')){
-               CmdLFRead("s");
-               getSamples("30000",false);
-       } else if (GraphTraceLen < 1000) {
+       if (!offline && (cmdp != '1')) {
+               lf_read(true, 30000);
+       } else if (GraphTraceLen < minLength) {
                PrintAndLog("Data in Graphbuffer was too small.");
                return 0;
        }
                PrintAndLog("Data in Graphbuffer was too small.");
                return 0;
        }
@@ -1106,106 +934,157 @@ int CmdLFfind(const char *Cmd)
        PrintAndLog("False Positives ARE possible\n");  
        PrintAndLog("\nChecking for known tags:\n");
 
        PrintAndLog("False Positives ARE possible\n");  
        PrintAndLog("\nChecking for known tags:\n");
 
+       size_t testLen = minLength;
+       // only run if graphbuffer is just noise as it should be for hitag/cotag
+       if (graphJustNoise(GraphBuffer, testLen)) {
+               // only run these tests if we are in online mode 
+               if (!offline && (cmdp != '1')) {
+                       // test for em4x05 in reader talk first mode.
+                       if (EM4x05Block0Test(&wordData)) {
+                               PrintAndLog("\nValid EM4x05/EM4x69 Chip Found\nUse lf em 4x05readword/dump commands to read\n");
+                               return 1;
+                       }
+                       ans=CmdLFHitagReader("26");
+                       if (ans==0) {
+                               return 1;
+                       }
+                       ans=CmdCOTAGRead("");
+                       if (ans>0) {
+                               PrintAndLog("\nValid COTAG ID Found!");
+                               return 1;
+                       }
+               }
+               return 0;
+       }
+
+       // TODO test for modulation then only test formats that use that modulation
+
        ans=CmdFSKdemodIO("");
        if (ans>0) {
                PrintAndLog("\nValid IO Prox ID Found!");
        ans=CmdFSKdemodIO("");
        if (ans>0) {
                PrintAndLog("\nValid IO Prox ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdFSKdemodPyramid("");
        if (ans>0) {
                PrintAndLog("\nValid Pyramid ID Found!");
        }
 
        ans=CmdFSKdemodPyramid("");
        if (ans>0) {
                PrintAndLog("\nValid Pyramid ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdFSKdemodParadox("");
        if (ans>0) {
                PrintAndLog("\nValid Paradox ID Found!");
        }
 
        ans=CmdFSKdemodParadox("");
        if (ans>0) {
                PrintAndLog("\nValid Paradox ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdFSKdemodAWID("");
        if (ans>0) {
                PrintAndLog("\nValid AWID ID Found!");
        }
 
        ans=CmdFSKdemodAWID("");
        if (ans>0) {
                PrintAndLog("\nValid AWID ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdFSKdemodHID("");
        if (ans>0) {
                PrintAndLog("\nValid HID Prox ID Found!");
        }
 
        ans=CmdFSKdemodHID("");
        if (ans>0) {
                PrintAndLog("\nValid HID Prox ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdAskEM410xDemod("");
        if (ans>0) {
                PrintAndLog("\nValid EM410x ID Found!");
        }
 
        ans=CmdAskEM410xDemod("");
        if (ans>0) {
                PrintAndLog("\nValid EM410x ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        }
 
+       ans=CmdVisa2kDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Visa2000 ID Found!");
+               return CheckChipType(cmdp);             
+       }
+       
        ans=CmdG_Prox_II_Demod("");
        if (ans>0) {
                PrintAndLog("\nValid G Prox II ID Found!");
        ans=CmdG_Prox_II_Demod("");
        if (ans>0) {
                PrintAndLog("\nValid G Prox II ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        }
 
-       ans=CmdFDXBdemodBI("");
+       ans=CmdFdxDemod(""); //biphase
        if (ans>0) {
                PrintAndLog("\nValid FDX-B ID Found!");
        if (ans>0) {
                PrintAndLog("\nValid FDX-B ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        }
 
-       ans=EM4x50Read("", false);
+       ans=EM4x50Read("", false); //ask
        if (ans>0) {
                PrintAndLog("\nValid EM4x50 ID Found!");
                return 1;
        if (ans>0) {
                PrintAndLog("\nValid EM4x50 ID Found!");
                return 1;
-       }       
+       }
+
+       ans=CmdJablotronDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Jablotron ID Found!");
+               return CheckChipType(cmdp);
+       }
+
+       ans=CmdNoralsyDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Noralsy ID Found!");
+               return CheckChipType(cmdp);
+       }
+
+       ans=CmdSecurakeyDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Securakey ID Found!");
+               return CheckChipType(cmdp);
+       }
 
        ans=CmdVikingDemod("");
        if (ans>0) {
                PrintAndLog("\nValid Viking ID Found!");
 
        ans=CmdVikingDemod("");
        if (ans>0) {
                PrintAndLog("\nValid Viking ID Found!");
-               return 1;
-       }       
+               return CheckChipType(cmdp);
+       }
 
 
-       ans=CmdIndalaDecode("");
+       ans=CmdIndalaDecode(""); //psk
        if (ans>0) {
                PrintAndLog("\nValid Indala ID Found!");
        if (ans>0) {
                PrintAndLog("\nValid Indala ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        ans=CmdPSKNexWatch("");
        if (ans>0) {
                PrintAndLog("\nValid NexWatch ID Found!");
        }
 
        ans=CmdPSKNexWatch("");
        if (ans>0) {
                PrintAndLog("\nValid NexWatch ID Found!");
-               return 1;
+               return CheckChipType(cmdp);
        }
 
        PrintAndLog("\nNo Known Tags Found!\n");
        }
 
        PrintAndLog("\nNo Known Tags Found!\n");
-       if (testRaw=='u' || testRaw=='U'){
-               //test unknown tag formats (raw mode)
+       if (testRaw=='u' || testRaw=='U') {
+               //ans=CheckChipType(cmdp);
+               //test unknown tag formats (raw mode)0
                PrintAndLog("\nChecking for Unknown tags:\n");
                PrintAndLog("\nChecking for Unknown tags:\n");
-               ans=AutoCorrelate(4000, FALSE, FALSE);
+               ans=AutoCorrelate(GraphBuffer, GraphBuffer, GraphTraceLen, 4000, false, false);
                if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
                if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
-               ans=GetFskClock("",FALSE,FALSE); 
-               if (ans != 0){ //fsk
-                       ans=FSKrawDemod("",TRUE);
+               ans=GetFskClock("",false,false); 
+               if (ans != 0) { //fsk
+                       ans=FSKrawDemod("",true);
                        if (ans>0) {
                                PrintAndLog("\nUnknown FSK Modulated Tag Found!");
                        if (ans>0) {
                                PrintAndLog("\nUnknown FSK Modulated Tag Found!");
-                               return 1;
+                               return CheckChipType(cmdp);
                        }
                }
                        }
                }
-               bool st = TRUE;
-               ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st);
+               bool st = true;
+               ans=ASKDemod_ext("0 0 0",true,false,1,&st);
                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'");
                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'");
-                       return 1;
+                       return CheckChipType(cmdp);
                }
                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]");
                }
                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");
-                       return 1;
+                       PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod'");
+                       return CheckChipType(cmdp);
                }
                }
+               ans = CheckChipType(cmdp);
                PrintAndLog("\nNo Data Found!\n");
        }
        return 0;
                PrintAndLog("\nNo Data Found!\n");
        }
        return 0;
@@ -1214,20 +1093,30 @@ int CmdLFfind(const char *Cmd)
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,            1, "This help"},
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,            1, "This help"},
-       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs...    }"},
-       {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs...    }"},
-       {"hid",         CmdLFHID,           1, "{ HID RFIDs...     }"},
-       {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
-       {"io",          CmdLFIO,            1, "{ ioProx tags...   }"},
-       {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 RFIDs... }"},
-       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs...   }"},
-       {"ti",          CmdLFTI,            1, "{ TI RFIDs...      }"},
-       {"viking",      CmdLFViking,        1, "{ Viking tags...   }"},
+       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs...              }"},
+       {"cotag",       CmdLFCOTAG,         1, "{ COTAG CHIPs...             }"},
+       {"em",          CmdLFEM4X,          1, "{ EM4X CHIPs & RFIDs...      }"},
+       {"fdx",         CmdLFFdx,           1, "{ FDX-B RFIDs...             }"},
+       {"gproxii",     CmdLF_G_Prox_II,    1, "{ G Prox II RFIDs...         }"},
+       {"hid",         CmdLFHID,           1, "{ HID RFIDs...               }"},
+       {"hitag",       CmdLFHitag,         1, "{ Hitag CHIPs...             }"},
+       {"io",          CmdLFIO,            1, "{ ioProx RFIDs...            }"},
+       {"indala",      CmdLFINDALA,        1, "{ Indala RFIDs...            }"},
+       {"jablotron",   CmdLFJablotron,     1, "{ Jablotron RFIDs...         }"},
+       {"nexwatch",    CmdLFNexWatch,      1, "{ NexWatch RFIDs...          }"},
+       {"noralsy",     CmdLFNoralsy,       1, "{ Noralsy RFIDs...           }"},
+       {"paradox",     CmdLFParadox,       1, "{ Paradox RFIDs...           }"},
+       {"presco",      CmdLFPresco,        1, "{ Presco RFIDs...            }"},
+       {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 CHIPs...           }"},
+       {"pyramid",     CmdLFPyramid,       1, "{ Farpointe/Pyramid RFIDs... }"},
+       {"securakey",   CmdLFSecurakey,     1, "{ Securakey RFIDs...         }"},
+       {"t55xx",       CmdLFT55XX,         1, "{ T55xx CHIPs...             }"},
+       {"ti",          CmdLFTI,            1, "{ TI CHIPs...                }"},
+       {"viking",      CmdLFViking,        1, "{ Viking RFIDs...            }"},
+       {"visa2000",    CmdLFVisa2k,        1, "{ Visa2000 RFIDs...          }"},
        {"cmdread",     CmdLFCommandRead,   0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
        {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
        {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
        {"cmdread",     CmdLFCommandRead,   0, "<d period> <z period> <o period> <c command> ['H'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'H' for 134)"},
        {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},
        {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
-       {"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, "['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)"},
        {"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)"},
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