]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlf.c
Merge remote-tracking branch 'upstream/master' into pm3+reveng
[proxmark3-svn] / client / cmdlf.c
index edf6c3a9eb689a24f158d319e33f013a1b4cdcc3..41feec20d5b708b98636eaacaa71a5a4b7ce04c5 100644 (file)
 #include "cmdlft55xx.h"
 #include "cmdlfpcf7931.h"
 #include "cmdlfio.h"
+#include "cmdlfviking.h"
 #include "lfdemod.h"
 
 static int CmdHelp(const char *Cmd);
 
+
+
+int usage_lf_cmdread()
+{
+       PrintAndLog("Usage: lf cmdread d <delay period> z <zero period> o <one period> c <cmdbytes> [H] ");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h             This help");
+       PrintAndLog("       L             Low frequency (125 KHz)");
+       PrintAndLog("       H             High frequency (134 KHz)");
+       PrintAndLog("       d <delay>     delay OFF period");
+       PrintAndLog("       z <zero>      time period ZERO");
+       PrintAndLog("       o <one>       time period ONE");
+       PrintAndLog("       c <cmd>       Command bytes");
+       PrintAndLog("       ************* All periods in microseconds");
+       PrintAndLog("Examples:");
+       PrintAndLog("      lf cmdread d 80 z 100 o 200 c 11000");
+       PrintAndLog("      lf cmdread d 80 z 100 o 100 c 11000 H");
+       return 0;
+}
+
 /* send a command before reading */
 int CmdLFCommandRead(const char *Cmd)
 {
-       static char dummy[3];
-
-       dummy[0]= ' ';
-
+       static char dummy[3] = {0x20,0x00,0x00};
        UsbCommand c = {CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K};
-       sscanf(Cmd, "%"lli" %"lli" %"lli" %s %s", &c.arg[0], &c.arg[1], &c.arg[2],(char*)(&c.d.asBytes),(char*)(&dummy+1));
-       // in case they specified 'h'
+       bool errors = FALSE;
+       //uint8_t divisor = 95; //125khz
+       uint8_t cmdp = 0;
+       int strLength = 0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_cmdread();
+               case 'H':
+                       //divisor = 88;
+                       dummy[1]='h';
+                       cmdp++;
+                       break;
+               case 'L':
+                       cmdp++;
+                       break;
+               case 'c':
+                       strLength = param_getstr(Cmd, cmdp+1, (char *)&c.d.asBytes);
+                       cmdp+=2;
+                       break;
+               case 'd':
+                       c.arg[0] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               case 'z':
+                       c.arg[1] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               case 'o':
+                       c.arg[2] = param_get32ex(Cmd, cmdp+1, 0, 10);
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;
+               }
+               if(errors) break;
+       }
+       // No args
+       if(cmdp == 0) errors = 1;
+
+       //Validations
+       if(errors) return usage_lf_cmdread();
+       
+       // in case they specified 'H'
        strcpy((char *)&c.d.asBytes + strlen((char *)c.d.asBytes), dummy);
+
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -59,7 +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];
@@ -141,10 +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;
@@ -157,6 +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;
@@ -354,6 +424,7 @@ int CmdIndalaClone(const char *Cmd)
                c.arg[1] = uid2;
        }
 
+       clearCommandBuffer();
        SendCommand(&c);
        return 0;
 }
@@ -476,6 +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;
 }
@@ -492,8 +564,14 @@ 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);
+       //WaitForResponse(CMD_ACK,NULL);        
+       if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
+               PrintAndLog("command execution time out");
+               return 1;
+       }
+
        return 0;
 }
 
@@ -506,6 +584,7 @@ int CmdLFSnoop(const char *Cmd)
        }
 
        UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       clearCommandBuffer();
        SendCommand(&c);
        WaitForResponse(CMD_ACK,NULL);
        return 0;
@@ -552,6 +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;
 }
@@ -701,6 +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;
 }
@@ -794,6 +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;
 }
@@ -901,6 +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;
@@ -1054,13 +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!");
@@ -1085,6 +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!");
@@ -1126,13 +1214,18 @@ int CmdLFfind(const char *Cmd)
 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... }"},
+       {"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...   }"},
+       {"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"},
-       {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
-       {"awid",                CmdLFAWID,                  1, "{ AWID 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, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
@@ -1143,11 +1236,7 @@ static command_t CommandTable[] =
        {"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)"},
        {"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... }"},
        {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
-       {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
-       {"pcf7931",     CmdLFPCF7931,       1, "{PCF7931 RFIDs...}"},
        {NULL, NULL, 0, NULL}
 };
 
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