Merge pull request #167 from spenneb/master

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 6b8a31b24831f3f2aacd889ed23220f314c1b504..93a1398d7d76d85944179fdd711ffa9676767235 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -29,6 +29,7 @@
 #include "cmdlft55xx.h"
 #include "cmdlfpcf7931.h"
 #include "cmdlfio.h"
+#include "cmdlfviking.h"
 #include "lfdemod.h"
 
 static int CmdHelp(const char *Cmd);
@@ -124,7 +125,7 @@ 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];
@@ -206,10 +207,13 @@ int CmdIndalaDemod(const char *Cmd)
        uint8_t rawbits[4096];
        int rawbit = 0;
        int worst = 0, worstPos = 0;
- // PrintAndLog("Expecting a bit less than %d raw bits", GraphTraceLen / 32);
+       // 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;
@@ -222,6 +226,7 @@ int CmdIndalaDemod(const char *Cmd)
                        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;
@@ -419,6 +424,7 @@ int CmdIndalaClone(const char *Cmd)
                c.arg[1] = uid2;
        }
 
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -541,6 +547,7 @@ int CmdLFSetConfig(const char *Cmd)
        //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));
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -557,6 +564,7 @@ int CmdLFRead(const char *Cmd)
        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) ) {
@@ -576,6 +584,7 @@ int CmdLFSnoop(const char *Cmd)
        }
 
        UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       clearCommandBuffer();
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        return 0;
@@ -622,6 +631,7 @@ int CmdLFSim(const char *Cmd)
        printf("\n");
        PrintAndLog("Starting to simulate");
        UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -771,6 +781,7 @@ int CmdLFfskSim(const char *Cmd)
        UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
 
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -864,6 +875,7 @@ int CmdLFaskSim(const char *Cmd)
        UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
        PrintAndLog("preparing to sim ask data: %d bits", size);
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -971,6 +983,7 @@ int CmdLFpskSim(const char *Cmd)
        UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
        PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
        memcpy(c.d.asBytes, DemodBuffer, size);
+       clearCommandBuffer();
        SendCommand(&c);
        
        return 0;
@@ -1124,13 +1137,6 @@ int CmdLFfind(const char *Cmd)
                return 1;
        }
 
-       //add psk and indala
-       ans=CmdIndalaDecode("");
-       if (ans>0) {
-               PrintAndLog("\nValid Indala ID Found!");
-               return 1;
-       }
-
        ans=CmdAskEM410xDemod("");
        if (ans>0) {
                PrintAndLog("\nValid EM410x ID Found!");
@@ -1155,6 +1161,18 @@ int CmdLFfind(const char *Cmd)
                return 1;
        }       
 
+       ans=CmdVikingDemod("");
+       if (ans>0) {
+               PrintAndLog("\nValid Viking ID Found!");
+               return 1;
+       }       
+
+       ans=CmdIndalaDecode("");
+       if (ans>0) {
+               PrintAndLog("\nValid Indala ID Found!");
+               return 1;
+       }
+
        ans=CmdPSKNexWatch("");
        if (ans>0) {
                PrintAndLog("\nValid NexWatch ID Found!");
@@ -1175,7 +1193,8 @@ int CmdLFfind(const char *Cmd)
                                return 1;
                        }
                }
-               ans=ASKDemod("0 0 0",TRUE,FALSE,1);
+               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'");
@@ -1196,14 +1215,15 @@ int CmdLFfind(const char *Cmd)
 static command_t CommandTable[] = 
 {
        {"help",        CmdHelp,            1, "This help"},
-       {"awid",        CmdLFAWID,          1, "{ AWID RFIDs... }"},
-       {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
-       {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
+       {"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... }"},
+       {"io",          CmdLFIO,            1, "{ ioProx tags...   }"},
        {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 RFIDs... }"},
-       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
-       {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
+       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs...   }"},
+       {"ti",          CmdLFTI,            1, "{ TI RFIDs...      }"},
+       {"viking",      CmdLFViking,        1, "{ Viking tags...   }"},
        {"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"},