}
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);
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 0;
}
- uint8_t factor = param_get8ex(Cmd, 0,2, 10);
+ uint8_t factor = param_get8ex(Cmd, 0, 2, 10);
//We have memory, don't we?
int swap[MAX_GRAPH_TRACE_LEN] = { 0 };
uint32_t g_index = 0 ,s_index = 0;
- while(g_index < GraphTraceLen && s_index < MAX_GRAPH_TRACE_LEN)
+ while(g_index < GraphTraceLen && s_index + factor < MAX_GRAPH_TRACE_LEN)
{
int count = 0;
- for(count = 0; count < factor && s_index+count < MAX_GRAPH_TRACE_LEN; count ++)
+ for (count = 0; count < factor && s_index + count < MAX_GRAPH_TRACE_LEN; count++)
swap[s_index+count] = GraphBuffer[g_index];
- s_index+=count;
+ s_index += count;
+ g_index++;
}
- memcpy(GraphBuffer,swap, s_index * sizeof(int));
+ memcpy(GraphBuffer, swap, s_index * sizeof(int));
GraphTraceLen = s_index;
RepaintGraphWindow();
return 0;
int FSKrawDemod(const char *Cmd, bool verbose)
{
//raw fsk demod no manchester decoding no start bit finding just get binary from wave
- //set defaults
- int rfLen = 0;
- int invert = 0;
- int fchigh = 0;
- int fclow = 0;
+ uint8_t rfLen, invert, fchigh, fclow;
+ //set defaults
//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
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){
- setDemodBuf(BitStream,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("%s decoded bitstream:",GetFSKType(fchigh,fclow,invert));
+ PrintAndLog("\nUsing Clock:%u, invert:%u, fchigh:%u, fclow:%u", 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;
}
int usage_data_hex2bin(){
-
- PrintAndLog("Usage: data bin2hex <binary_digits>");
+ PrintAndLog("Usage: data hex2bin <hex_digits>");
PrintAndLog(" This function will ignore all non-hexadecimal characters (but stop reading on whitespace)");
return 0;
-
}
int Cmdhex2bin(const char *Cmd)
{
int bg =0, en =0;
- if(param_getptr(Cmd, &bg, &en, 0))
- {
- return usage_data_hex2bin();
- }
-
+ if(param_getptr(Cmd, &bg, &en, 0)) return usage_data_hex2bin();
while(bg <= en )
{
{"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"},
projects / proxmark3-svn / blobdiff