static void ChkBitstream(const char *str)
{
int i;
-
+
/* convert to bitstream if necessary */
for (i = 0; i < (int)(GraphTraceLen / 2); i++){
if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {
- CmdBitstream(str);
+ CmdGetBitStream("");
break;
}
}
//appears to attempt to simulate manchester
int CmdLFSim(const char *Cmd)
{
- int i,j;
+ int i,j;
static int gap;
sscanf(Cmd, "%i", &gap);
/* convert to bitstream if necessary */
+
ChkBitstream(Cmd);
//can send 512 bits at a time (1 byte sent per bit...)
- printf("Sending [%d bytes]", GraphTraceLen);
- for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
+ printf("Sending [%d bytes]", GraphTraceLen);
+ for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
- for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
+ for (j = 0; j < USB_CMD_DATA_SIZE; j++) {
c.d.asBytes[j] = GraphBuffer[i+j];
}
SendCommand(&c);
WaitForResponse(CMD_ACK,NULL);
- printf(".");
+ printf(".");
}
- printf("\n");
- PrintAndLog("Starting to simulate");
+ printf("\n");
+ PrintAndLog("Starting to simulate");
UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
SendCommand(&c);
return 0;
PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
return 0;
}
+
// by marshmellow - sim ask data given clock, fcHigh, fcLow, invert
// - allow pull data from DemodBuffer
int CmdLFfskSim(const char *Cmd)
uint16_t arg1, arg2;
arg1 = fcHigh << 8 | fcLow;
arg2 = invert << 8 | clk;
- UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, DemodBufferLen}};
- if (DemodBufferLen > USB_CMD_DATA_SIZE) {
- PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", DemodBufferLen, USB_CMD_DATA_SIZE);
- }
- memcpy(c.d.asBytes, DemodBuffer, DemodBufferLen);
+ 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;
+ }
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
+
+ memcpy(c.d.asBytes, DemodBuffer, size);
SendCommand(&c);
return 0;
}
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);
uint16_t arg1, arg2;
arg1 = clk << 8 | carrier;
arg2 = invert;
- UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, DemodBufferLen}};
- if (DemodBufferLen > USB_CMD_DATA_SIZE) {
- PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", DemodBufferLen, USB_CMD_DATA_SIZE);
+ 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("DEBUG: Sending DemodBuffer Length: %d", DemodBufferLen);
- memcpy(c.d.asBytes, DemodBuffer, DemodBufferLen);
+ UsbCommand c = {CMD_PSK_SIM_TAG, {arg1, arg2, size}};
+ PrintAndLog("DEBUG: Sending DemodBuffer Length: %d", size);
+ memcpy(c.d.asBytes, DemodBuffer, size);
SendCommand(&c);
+
return 0;
}
}
/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
+/*
int CmdLFSimManchester(const char *Cmd)
{
static int clock, gap;
CmdLFSim(gapstring);
return 0;
}
-
+*/
int CmdVchDemod(const char *Cmd)
{
if (testRaw=='u' || testRaw=='U'){
//test unknown tag formats (raw mode)
PrintAndLog("\nChecking for Unknown tags:\n");
- ans=CmdDetectClockRate("f");
+ ans=AutoCorrelate(4000, FALSE, FALSE);
+ if (ans > 0) PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
+ ans=CmdDetectClockRate("F"); //GetFSKClock("",TRUE,FALSE);
if (ans != 0){ //fsk
ans=CmdFSKrawdemod("");
if (ans>0) {
{"read", CmdLFRead, 0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
{"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
{"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
- {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [trs separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
+ {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
{"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
{"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)"},
- {"simman", CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
+ //{"simman", CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF 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... }"},
projects / proxmark3-svn / blobdiff