}
if (bitLen>512) bitLen=512; //max output to 512 bits if we have more - should be plenty
- char *bin = sprint_bin_break(DemodBuffer,bitLen,16);
+ char *bin = sprint_bin_break(DemodBuffer, bitLen,16);
PrintAndLog("%s",bin);
return;
sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
uint8_t BitStream[MAX_DEMOD_BUF_LEN];
- size_t size = getFromGraphBuf(BitStream);
+ size_t size = getFromGraphBuf(BitStream);
+ if (size == 0 ) {
+ if (g_debugMode) PrintAndLog("DEBUG: no data in graphbuf");
+ return 0;
+ }
//invert here inverts the ask raw demoded bits which has no effect on the demod, but we need the pointer
int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);
if ( errCnt < 0 || errCnt > maxErr ) {
//call lfdemod.c demod for Viking
int ans = VikingDemod_AM(DemodBuffer, &size);
if (ans < 0) {
- if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
+ if (g_debugMode) PrintAndLog("Error Viking_Demod %d %s", ans, (ans == -5)?"[chksum error]":"");
return 0;
}
//got a good demod
int CmdAutoCorr(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
- if (cmdp == 'h' || cmdp == 'H')
- return usage_data_autocorr();
+ if (cmdp == 'h' || cmdp == 'H') return usage_data_autocorr();
int window = 4000; //set default
char grph=0;
bool updateGrph = FALSE;
int CmdAskEdgeDetect(const char *Cmd)
{
int thresLen = 25;
+ int last = 0;
sscanf(Cmd, "%i", &thresLen);
- for(int i = 1; i<GraphTraceLen; i++){
- if (GraphBuffer[i]-GraphBuffer[i-1]>=thresLen) //large jump up
- GraphBuffer[i-1] = 127;
- else if(GraphBuffer[i]-GraphBuffer[i-1]<=-1*thresLen) //large jump down
- GraphBuffer[i-1] = -127;
+ for(int i = 1; i < GraphTraceLen; ++i){
+ if (GraphBuffer[i] - GraphBuffer[i-1] >= thresLen) //large jump up
+ last = 127;
+ else if(GraphBuffer[i] - GraphBuffer[i-1] <= -1 * thresLen) //large jump down
+ last = -127;
+
+ GraphBuffer[i-1] = last;
}
RepaintGraphWindow();
return 0;
// 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
// bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// |26 bit| |-117--| |-----142------|
+ //
+ // 00110010 0 0000111110100000 00000000000100010010100010000111 1 000000000
+ // bbbbbbbb w ffffffffffffffff cccccccccccccccccccccccccccccccc w xxxxxxxxx
+ // |50 bit| |----4000------| |-----------2248975------------|
// b = format bit len, o = odd parity of last 3 bits
// f = facility code, c = card number
// w = wiegand parity
- // (26 bit format shown)
uint32_t fc = 0;
uint32_t cardnum = 0;
uint32_t code1 = 0;
uint32_t code2 = 0;
- uint8_t fmtLen = bytebits_to_byte(BitStream,8);
- if (fmtLen==26){
- fc = bytebits_to_byte(BitStream+9, 8);
- cardnum = bytebits_to_byte(BitStream+17, 16);
- code1 = bytebits_to_byte(BitStream+8,fmtLen);
- PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
- } else {
- cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
- if (fmtLen>32){
- code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
- code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
- PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
- } else{
- code1 = bytebits_to_byte(BitStream+8,fmtLen);
- PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
- }
+ uint8_t fmtLen = bytebits_to_byte(BitStream, 8);
+ switch(fmtLen) {
+ case 26:
+ fc = bytebits_to_byte(BitStream + 9, 8);
+ cardnum = bytebits_to_byte(BitStream + 17, 16);
+ code1 = bytebits_to_byte(BitStream + 8,fmtLen);
+ PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+ break;
+ case 50:
+ fc = bytebits_to_byte(BitStream + 9, 16);
+ cardnum = bytebits_to_byte(BitStream + 25, 32);
+ code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) );
+ code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32);
+ PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+ break;
+ default:
+ if (fmtLen > 32 ) {
+ cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+ code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
+ code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
+ PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+ } else {
+ cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+ code1 = bytebits_to_byte(BitStream+8,fmtLen);
+ PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+ }
+ break;
}
+
if (g_debugMode){
PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96);
printDemodBuff();
}
- //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
return 1;
}
return 0;
}
+int CmdDataIIR(const char *Cmd){
+ iceIIR_Butterworth(GraphBuffer, GraphTraceLen);
+ RepaintGraphWindow();
+ return 0;
+}
+
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
{"tune", CmdTuneSamples, 0, "Get hw tune samples for graph window"},
{"undec", CmdUndec, 1, "Un-decimate samples by 2"},
{"zerocrossings", CmdZerocrossings, 1, "Count time between zero-crossings"},
+ {"iir", CmdDataIIR, 0, "apply IIR buttersworth filter on plotdata"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff