X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/70459879e98e1e7a2a5627c4008f0ad38b8dc782..883c82b57395b0b7d6d45ad42a734ac412268a13:/client/cmdlf.c diff --git a/client/cmdlf.c b/client/cmdlf.c index 4cf9c815..23c8a1ce 100644 --- a/client/cmdlf.c +++ b/client/cmdlf.c @@ -7,37 +7,15 @@ //----------------------------------------------------------------------------- // Low frequency commands //----------------------------------------------------------------------------- - -#include -#include -#include -#include -#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 "cmdlfhid.h" -#include "cmdlfawid.h" -#include "cmdlfti.h" -#include "cmdlfem4x.h" -#include "cmdlfhitag.h" -#include "cmdlft55xx.h" -#include "cmdlfpcf7931.h" -#include "cmdlfio.h" -#include "lfdemod.h" -#include "cmdlfviking.h" static int CmdHelp(const char *Cmd); int usage_lf_cmdread(void) { PrintAndLog("Usage: lf cmdread d z o c [H]"); PrintAndLog("Options: "); PrintAndLog(" h This help"); - PrintAndLog(" H Freqency High (134 KHz), default is 'Low (125KHz)'"); + PrintAndLog(" L Low frequency (125 KHz)"); + PrintAndLog(" H High frequency (134 KHz)"); PrintAndLog(" d delay OFF period, (dec)"); PrintAndLog(" z time period ZERO, (dec)"); PrintAndLog(" o time period ONE, (dec)"); @@ -89,43 +67,43 @@ int usage_lf_config(void) { return 0; } int usage_lf_simfsk(void) { - PrintAndLog("Usage: lf simfsk [c ] [i] [H ] [L ] [d ]"); - PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" c Manually set clock - can autodetect if using DemodBuffer"); - PrintAndLog(" i invert data"); - PrintAndLog(" H Manually set the larger Field Clock"); - PrintAndLog(" L Manually set the smaller Field Clock"); - //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap"); - PrintAndLog(" d 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; + PrintAndLog("Usage: lf simfsk [c ] [i] [H ] [L ] [d ]"); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" c Manually set clock - can autodetect if using DemodBuffer"); + PrintAndLog(" i invert data"); + PrintAndLog(" H Manually set the larger Field Clock"); + PrintAndLog(" L Manually set the smaller Field Clock"); + //PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap"); + PrintAndLog(" d 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) { - PrintAndLog("Usage: lf simask [c ] [i] [b|m|r] [s] [d ]"); - PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" c 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 Data to sim as hex - omit to sim from DemodBuffer"); - return 0; + PrintAndLog("Usage: lf simask [c ] [i] [b|m|r] [s] [d ]"); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" c 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 add t55xx Sequence Terminator gap - default: no gaps (only manchester)"); + PrintAndLog(" d Data to sim as hex - omit to sim from DemodBuffer"); + return 0; } int usage_lf_simpsk(void) { - PrintAndLog("Usage: lf simpsk [1|2|3] [c ] [i] [r ] [d ]"); - PrintAndLog("Options: "); - PrintAndLog(" h This help"); - PrintAndLog(" c 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 2|4|8 are valid carriers: default = 2"); - PrintAndLog(" d Data to sim as hex - omit to sim from DemodBuffer"); - return 0; + PrintAndLog("Usage: lf simpsk [1|2|3] [c ] [i] [r ] [d ]"); + PrintAndLog("Options: "); + PrintAndLog(" h This help"); + PrintAndLog(" c 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 2|4|8 are valid carriers: default = 2"); + PrintAndLog(" d Data to sim as hex - omit to sim from DemodBuffer"); + return 0; } int usage_lf_find(void){ PrintAndLog("Usage: lf search <0|1> [u]"); @@ -192,7 +170,6 @@ int CmdLFCommandRead(const char *Cmd) if (errors) return usage_lf_cmdread(); // in case they specified 'H' - // added to the end.. strcpy((char *)&c.d.asBytes + strLength, dummy); clearCommandBuffer(); @@ -294,9 +271,12 @@ int CmdIndalaDemod(const char *Cmd) 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; @@ -309,6 +289,7 @@ 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; @@ -501,22 +482,22 @@ int CmdIndalaClone(const char *Cmd) c.arg[1] = uid2; } + clearCommandBuffer(); SendCommand(&c); 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 + int trigger_threshold = -1;//Means no change uint8_t unsigned_trigg = 0; - uint8_t cmdp =0; + uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) { switch(param_getchar(Cmd, cmdp)) @@ -559,25 +540,22 @@ int CmdLFSetConfig(const char *Cmd) } if(errors) break; } - if(cmdp == 0) - { - errors = 1;// No args - } + + // No args + if (cmdp == 0) errors = 1; //Validations - if(errors) - { - return usage_lf_config(); - } + if (errors) 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 - }; //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; } @@ -756,6 +734,7 @@ 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; } @@ -764,93 +743,94 @@ int CmdLFfskSim(const char *Cmd) // - allow pull data from DemodBuffer int CmdLFaskSim(const char *Cmd) { - //autodetect clock from Graphbuffer if using demod buffer + //autodetect clock from Graphbuffer if using demod buffer // 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; - 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 - } + uint8_t encoding = 1, separator = 0, 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; + //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 + + 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; + } + + PrintAndLog("preparing to sim ask data: %d bits", size); + + uint16_t arg1, arg2; + arg1 = clk << 8 | encoding; + arg2 = invert << 8 | separator; + + UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}}; + memcpy(c.d.asBytes, DemodBuffer, size); + clearCommandBuffer(); + SendCommand(&c); + return 0; } // by marshmellow - sim psk data given carrier, clock, invert @@ -956,6 +936,7 @@ 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; @@ -1048,74 +1029,66 @@ int CmdVchDemod(const char *Cmd) } //by marshmellow -int CmdLFfind(const char *Cmd) -{ - int ans = 0; - char cmdp = param_getchar(Cmd, 0); - char testRaw = param_getchar(Cmd, 1); - if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find(); - - if (!offline && (cmdp != '1')){ - CmdLFRead("s"); - getSamples("30000",false); - } else if (GraphTraceLen < 1000) { - PrintAndLog("Data in Graphbuffer was too small."); - 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("False Positives ARE possible\n"); - PrintAndLog("\nChecking for known tags:\n"); +int CmdLFfind(const char *Cmd) { + int ans = 0; + char cmdp = param_getchar(Cmd, 0); + char testRaw = param_getchar(Cmd, 1); + if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') return usage_lf_find(); + + if (!offline && (cmdp != '1')){ + CmdLFRead("s"); + getSamples("30000",false); + } else if (GraphTraceLen < 1000) { + PrintAndLog("Data in Graphbuffer was too small."); + return 0; + } + if (cmdp == 'u' || cmdp == 'U') testRaw = 'u'; - ans=CmdFSKdemodIO(""); - if (ans>0) { - PrintAndLog("\nValid IO Prox ID Found!"); - return 1; - } + PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag"); + PrintAndLog("False Positives ARE possible\n"); + PrintAndLog("\nChecking for known tags:\n"); - ans=CmdFSKdemodPyramid(""); - if (ans>0) { - PrintAndLog("\nValid Pyramid ID Found!"); - return 1; - } + ans=CmdFSKdemodIO(""); + if (ans>0) { + PrintAndLog("\nValid IO Prox ID Found!"); + return 1; + } - ans=CmdFSKdemodParadox(""); - if (ans>0) { - PrintAndLog("\nValid Paradox ID Found!"); - return 1; - } + ans=CmdFSKdemodPyramid(""); + if (ans>0) { + PrintAndLog("\nValid Pyramid ID Found!"); + return 1; + } - ans=CmdFSKdemodAWID(""); - if (ans>0) { - PrintAndLog("\nValid AWID ID Found!"); - return 1; - } + ans=CmdFSKdemodParadox(""); + if (ans>0) { + PrintAndLog("\nValid Paradox ID Found!"); + return 1; + } - ans=CmdFSKdemodHID(""); - if (ans>0) { - PrintAndLog("\nValid HID Prox ID Found!"); - return 1; - } + ans=CmdFSKdemodAWID(""); + if (ans>0) { + PrintAndLog("\nValid AWID ID Found!"); + return 1; + } - //add psk and indala - ans=CmdIndalaDecode(""); - if (ans>0) { - PrintAndLog("\nValid Indala ID Found!"); - return 1; - } + ans=CmdFSKdemodHID(""); + if (ans>0) { + PrintAndLog("\nValid HID Prox ID Found!"); + return 1; + } - ans=CmdAskEM410xDemod(""); - if (ans>0) { - PrintAndLog("\nValid EM410x ID Found!"); - return 1; - } + ans=CmdAskEM410xDemod(""); + if (ans>0) { + PrintAndLog("\nValid EM410x ID Found!"); + return 1; + } - ans=CmdG_Prox_II_Demod(""); - if (ans>0) { - PrintAndLog("\nValid Guardall G-Prox II ID Found!"); - return 1; - } + ans=CmdG_Prox_II_Demod(""); + if (ans>0) { + PrintAndLog("\nValid Guardall G-Prox II ID Found!"); + return 1; + } ans=CmdFDXBdemodBI(""); if (ans>0) { @@ -1135,68 +1108,79 @@ int CmdLFfind(const char *Cmd) return 1; } + ans=CmdIndalaDecode(""); + if (ans>0) { + PrintAndLog("\nValid Indala ID Found!"); + return 1; + } + ans=CmdPSKNexWatch(""); if (ans>0) { PrintAndLog("\nValid NexWatch ID Found!"); return 1; } + // TIdemod? + - 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); + 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) { + if (ans > 0) { - PrintAndLog("Possible Auto Correlation of %d repeating samples",ans); + PrintAndLog("Possible Auto Correlation of %d repeating samples",ans); - if ( ans % 8 == 0) { - int bytes = (ans / 8); - PrintAndLog("Possible %d bytes", bytes); - int blocks = 0; - if ( bytes % 2 == 0) { - blocks = (bytes / 2); - PrintAndLog("Possible 2 blocks, width %d", blocks); - } - if ( bytes % 4 == 0) { - blocks = (bytes / 4); - PrintAndLog("Possible 4 blocks, width %d", blocks); - } - if ( bytes % 8 == 0) { - blocks = (bytes / 8); - PrintAndLog("Possible 8 blocks, width %d", blocks); + if ( ans % 8 == 0) { + int bytes = (ans / 8); + PrintAndLog("Possible %d bytes", bytes); + int blocks = 0; + if ( bytes % 2 == 0) { + blocks = (bytes / 2); + PrintAndLog("Possible 2 blocks, width %d", blocks); + } + if ( bytes % 4 == 0) { + blocks = (bytes / 4); + PrintAndLog("Possible 4 blocks, width %d", blocks); + } + if ( bytes % 8 == 0) { + blocks = (bytes / 8); + PrintAndLog("Possible 8 blocks, width %d", blocks); + } + if ( bytes % 16 == 0) { + blocks = (bytes / 16); + PrintAndLog("Possible 16 blocks, width %d", blocks); + } } - if ( bytes % 16 == 0) { - blocks = (bytes / 16); - PrintAndLog("Possible 16 blocks, width %d", blocks); + } + + ans=GetFskClock("",FALSE,FALSE); + if (ans != 0){ //fsk + ans=FSKrawDemod("",TRUE); + if (ans>0) { + PrintAndLog("\nUnknown FSK Modulated Tag Found!"); + return 1; } } - } - ans=GetFskClock("",FALSE,FALSE); - if (ans != 0){ //fsk - ans=FSKrawDemod("",TRUE); + bool st = TRUE; + ans=ASKDemod_ext("0 0 0",TRUE,FALSE,1,&st); if (ans>0) { - PrintAndLog("\nUnknown FSK Modulated Tag Found!"); + 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; + } + + 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; } - } - ans=ASKDemod("0 0 0",TRUE,FALSE,1); - 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; - } - 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("\nNo Data Found!\n"); - } - return 0; + PrintAndLog("\nNo Data Found!\n"); + } + return 0; } static command_t CommandTable[] = @@ -1204,15 +1188,17 @@ static command_t CommandTable[] = {"help", CmdHelp, 1, "This help"}, {"awid", CmdLFAWID, 1, "{ AWID RFIDs... }"}, {"em4x", CmdLFEM4X, 1, "{ EM4X RFIDs... }"}, + {"guard", CmdLFGuard, 1, "{ Guardall RFIDs... }"}, {"hid", CmdLFHID, 1, "{ HID RFIDs... }"}, {"hitag", CmdLFHitag, 1, "{ HITAG RFIDs... }"}, - {"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"}, + {"io", CmdLFIO, 1, "{ IOPROX RFIDs... }"}, {"pcf7931", CmdLFPCF7931, 1, "{ PCF7931 RFIDs... }"}, + {"presco", CmdLFPresco, 1, "{ Presco RFIDs... }"}, + {"pyramid", CmdLFPyramid, 1, "{ Farpointe/Pyramid RFIDs... }"}, {"ti", CmdLFTI, 1, "{ TI RFIDs... }"}, - {"t55xx", CmdLFT55XX, 1, "{ T55X7 RFIDs... }"}, + {"t55xx", CmdLFT55XX, 1, "{ T55xx RFIDs... }"}, {"viking", CmdLFViking, 1, "{ Viking RFIDs... }"}, {"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"}, - {"cmdread", CmdLFCommandRead, 0, " <'0' period> <'1' period> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"}, {"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"}, {"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"}, @@ -1224,19 +1210,18 @@ static command_t CommandTable[] = {"simfsk", CmdLFfskSim, 0, "[c ] [i] [H ] [L ] [d ] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"}, {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c ] [i] [r ] [d ] \n\t\t-- 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, "Snoop LF"}, + {"snoop", CmdLFSnoop, 0, "['l'|'h'|] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"}, {"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"}, {NULL, NULL, 0, NULL} }; -int CmdLF(const char *Cmd) -{ - CmdsParse(CommandTable, Cmd); - return 0; +int CmdLF(const char *Cmd) { + clearCommandBuffer(); + CmdsParse(CommandTable, Cmd); + return 0; } -int CmdHelp(const char *Cmd) -{ - CmdsHelp(CommandTable); - return 0; +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }