}
int usage_data_printdemodbuf(){
- PrintAndLog("Usage: data printdemodbuffer x o <offset>");
+ PrintAndLog("Usage: data printdemodbuffer x o <offset> l <length>");
PrintAndLog("Options: ");
PrintAndLog(" h This help");
PrintAndLog(" x output in hex (omit for binary output)");
PrintAndLog(" o <offset> enter offset in # of bits");
+ PrintAndLog(" l <length> enter length to print in # of bits or hex characters respectively");
return 0;
}
char hex[512]={0x00};
bool hexMode = false;
bool errors = false;
- uint8_t offset = 0;
+ uint32_t offset = 0; //could be size_t but no param_get16...
+ uint32_t length = 512;
char cmdp = 0;
while(param_getchar(Cmd, cmdp) != 0x00)
{
break;
case 'o':
case 'O':
- offset = param_get8(Cmd, cmdp+1);
+ offset = param_get32ex(Cmd, cmdp+1, 0, 10);
if (!offset) errors = true;
cmdp += 2;
break;
+ case 'l':
+ case 'L':
+ length = param_get32ex(Cmd, cmdp+1, 512, 10);
+ if (!length) errors = true;
+ cmdp += 2;
+ break;
default:
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
errors = true;
}
//Validations
if(errors) return usage_data_printdemodbuf();
-
- int numBits = (DemodBufferLen-offset) & 0x7FC; //make sure we don't exceed our string
+ length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length;
+ int numBits = (length) & 0x00FFC; //make sure we don't exceed our string
if (hexMode){
char *buf = (char *) (DemodBuffer + offset);
+ numBits = (numBits > sizeof(hex)) ? sizeof(hex) : numBits;
numBits = binarraytohex(hex, buf, numBits);
if (numBits==0) return 0;
PrintAndLog("DemodBuffer: %s",hex);
} else {
- //setDemodBuf(DemodBuffer, DemodBufferLen-offset, offset);
- char *bin = sprint_bin_break(DemodBuffer+offset,numBits,16);
- PrintAndLog("DemodBuffer:\n%s",bin);
+ PrintAndLog("DemodBuffer:\n%s", sprint_bin_break(DemodBuffer+offset,numBits,16));
}
return 1;
}
char amp = param_getchar(Cmd, 0);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &);
- if (!maxLen) maxLen = 512*64;
+ if (!maxLen) maxLen = BIGBUF_SIZE;
if (invert != 0 && invert != 1) {
PrintAndLog("Invalid argument: %s", Cmd);
return 0;
return 1;
}
+//by marshmellow
+//see ASKDemod for what args are accepted
+int CmdVikingDemod(const char *Cmd)
+{
+ if (!ASKDemod(Cmd, false, false, 1)) {
+ if (g_debugMode) PrintAndLog("ASKDemod failed");
+ return 0;
+ }
+ size_t size = DemodBufferLen;
+ //call lfdemod.c demod for Viking
+ int ans = VikingDemod_AM(DemodBuffer, &size);
+ if (ans < 0) {
+ if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+ return 0;
+ }
+ //got a good demod
+ uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
+ uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+ uint32_t cardid = bytebits_to_byte(DemodBuffer+ans+24, 32);
+ uint8_t checksum = bytebits_to_byte(DemodBuffer+ans+32+24, 8);
+ PrintAndLog("Viking Tag Found: Card ID %08X, Checksum: %02X", cardid, checksum);
+ PrintAndLog("Raw: %08X%08X", raw1,raw2);
+ setDemodBuf(DemodBuffer+ans, 64, 0);
+ return 1;
+}
+
//by marshmellow - see ASKDemod
int Cmdaskrawdemod(const char *Cmd)
{
int FSKrawDemod(const char *Cmd, bool verbose)
{
//raw fsk demod no manchester decoding no start bit finding just get binary from wave
+ uint8_t rfLen, invert, fchigh, fclow;
//set defaults
- int rfLen = 0;
- int invert = 0;
- int fchigh = 0;
- int fclow = 0;
-
//set options from parameters entered with the command
- sscanf(Cmd, "%i %i %i %i", &rfLen, &invert, &fchigh, &fclow);
-
+ rfLen = param_get8(Cmd, 0);
+ invert = param_get8(Cmd, 1);
+ fchigh = param_get8(Cmd, 2);
+ fclow = param_get8(Cmd, 3);
if (strlen(Cmd)>0 && strlen(Cmd)<=2) {
if (rfLen==1){
invert = 1; //if invert option only is used
rfLen = 0;
}
}
-
uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
size_t BitLen = getFromGraphBuf(BitStream);
if (BitLen==0) return 0;
//get field clock lengths
- uint16_t fcs=0;
- if (fchigh==0 || fclow == 0){
- fcs = countFC(BitStream, BitLen, 1);
- if (fcs==0){
- fchigh=10;
- fclow=8;
- }else{
- fchigh = (fcs >> 8) & 0xFF;
- fclow = fcs & 0xFF;
+ uint8_t fc1=0, fc2=0, rf1=0;
+ if (!fchigh || !fclow) {
+ uint8_t ans = fskClocks(&fc1, &fc2, &rf1, false);
+ if (ans == 0) {
+ if (g_debugMode) PrintAndLog("\nError: cannot detect valid fsk field clocks");
+ return 0; // can't detect field clock
}
+ fchigh = fc1;
+ fclow = fc2;
+ if (rfLen == 0) rfLen = rf1;
}
//get bit clock length
- if (rfLen==0){
+ if (!rfLen){
rfLen = detectFSKClk(BitStream, BitLen, fchigh, fclow);
- if (rfLen == 0) rfLen = 50;
+ if (!rfLen) rfLen = 50;
}
- int size = fskdemod(BitStream,BitLen,(uint8_t)rfLen,(uint8_t)invert,(uint8_t)fchigh,(uint8_t)fclow);
- if (size>0){
+ int size = fskdemod(BitStream, BitLen, rfLen, invert, fchigh, fclow);
+ if (size > 0){
setDemodBuf(BitStream,size,0);
// Now output the bitstream to the scrollback by line of 16 bits
if (verbose || g_debugMode) {
- PrintAndLog("\nUsing Clock:%d, invert:%d, fchigh:%d, fclow:%d", rfLen, invert, fchigh, fclow);
+ PrintAndLog("\nUsing Clock:%hu, invert:%hu, fchigh:%hu, fclow:%hu", rfLen, invert, fchigh, fclow);
PrintAndLog("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
printDemodBuff();
}
return 1;
- } else{
+ } else {
if (g_debugMode) PrintAndLog("no FSK data found");
}
return 0;
// NATIONAL CODE, ICAR database
// COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
// FLAG (animal/non-animal)
+/*
+38 IDbits
+10 country code
+1 extra app bit
+14 reserved bits
+1 animal bit
+16 ccitt CRC chksum over 64bit ID CODE.
+24 appli bits.
+
+-- sample: 985121004515220 [ 37FF65B88EF94 ]
+*/
int CmdFDXBdemodBI(const char *Cmd){
int invert = 1;
if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
return 0;
}
+ if (size != 128) {
+ if (g_debugMode) PrintAndLog("Error incorrect data length found");
+ return 0;
+ }
setDemodBuf(BitStream, 128, preambleIndex);
//invalid carrier
return 0;
}
+ if (g_debugMode){
+ PrintAndLog("Carrier: rf/%d",carrier);
+ }
int errCnt=0;
errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
if (errCnt > maxErr){
return 0;
}
uint8_t invert=0;
- ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert);
- if (ans < 1) {
+ size_t size = DemodBufferLen;
+ size_t startIdx = indala26decode(DemodBuffer, &size, &invert);
+ if (startIdx < 1 || size > 224) {
if (g_debugMode==1)
PrintAndLog("Error2: %d",ans);
return -1;
}
- char showbits[251]={0x00};
+ setDemodBuf(DemodBuffer, size, startIdx);
if (invert)
if (g_debugMode==1)
PrintAndLog("Had to invert bits");
+ PrintAndLog("BitLen: %d",DemodBufferLen);
//convert UID to HEX
uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
- int idx;
- uid1=0;
- uid2=0;
- PrintAndLog("BitLen: %d",DemodBufferLen);
- if (DemodBufferLen==64){
- for( idx=0; idx<64; idx++) {
- uid1=(uid1<<1)|(uid2>>31);
- if (DemodBuffer[idx] == 0) {
- uid2=(uid2<<1)|0;
- showbits[idx]='0';
- } else {
- uid2=(uid2<<1)|1;
- showbits[idx]='1';
- }
- }
- showbits[idx]='\0';
- PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2);
- }
- else {
- uid3=0;
- uid4=0;
- uid5=0;
- uid6=0;
- uid7=0;
- for( idx=0; idx<DemodBufferLen; 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 (DemodBuffer[idx] == 0) {
- uid7=(uid7<<1)|0;
- showbits[idx]='0';
- }
- else {
- uid7=(uid7<<1)|1;
- showbits[idx]='1';
- }
- }
- showbits[idx]='\0';
- PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
+ uid1=bytebits_to_byte(DemodBuffer,32);
+ uid2=bytebits_to_byte(DemodBuffer+32,32);
+ if (DemodBufferLen==64) {
+ PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2);
+ } else {
+ uid3=bytebits_to_byte(DemodBuffer+64,32);
+ uid4=bytebits_to_byte(DemodBuffer+96,32);
+ uid5=bytebits_to_byte(DemodBuffer+128,32);
+ uid6=bytebits_to_byte(DemodBuffer+160,32);
+ uid7=bytebits_to_byte(DemodBuffer+192,32);
+ PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
+ sprint_bin_break(DemodBuffer,DemodBufferLen,16), uid1, uid2, uid3, uid4, uid5, uid6, uid7);
}
if (g_debugMode){
PrintAndLog("DEBUG: printing demodbuffer:");
size_t BitLen = getFromGraphBuf(BitStream);
if (BitLen==0) return 0;
int errCnt=0;
- errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
+ errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert);
if (errCnt > maxErr){
if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
int n = strtol(Cmd, NULL, 0);
- if (n == 0)
- n = sizeof(got);
-
- if (n > sizeof(got))
+ if (n == 0 || n > sizeof(got))
n = sizeof(got);
PrintAndLog("Reading %d bytes from device memory\n", n);
{"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
{"askem410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"},
{"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"},
+ {"askvikingdemod", CmdVikingDemod, 1, "Demodulate a Viking tag from GraphBuffer"},
{"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
{"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
{"bin2hex", Cmdbin2hex, 1, "bin2hex <digits> -- Converts binary to hexadecimal"},
{"manrawdecode", Cmdmandecoderaw, 1, "[invert] [maxErr] -- Manchester decode binary stream in DemodBuffer"},
{"norm", CmdNorm, 1, "Normalize max/min to +/-128"},
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
- {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> -- print the data in the DemodBuffer - 'x' for hex output"},
+ {"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
{"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
{"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
{"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},
{"scale", CmdScale, 1, "<int> -- Set cursor display scale"},
- {"setdebugmode", CmdSetDebugMode, 1, "<0|1> -- Turn on or off Debugging Mode for demods"},
+ {"setdebugmode", CmdSetDebugMode, 1, "<0|1|2> -- Turn on or off Debugging Level for lf demods"},
{"shiftgraphzero", CmdGraphShiftZero, 1, "<shift> -- Shift 0 for Graphed wave + or - shift value"},
{"dirthreshold", CmdDirectionalThreshold, 1, "<thres up> <thres down> -- Max rising higher up-thres/ Min falling lower down-thres, keep rest as prev."},
{"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
projects / proxmark3-svn / blobdiff