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chg: 'data print i' - new param I, inverts the demod buffer

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iceman1001 2019-09-13 12:11:56 +02:00
commit 270d0821b5
1 changed files with 19 additions and 3 deletions
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22
client/cmddata.c
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@ -36,6 +36,7 @@ static int usage_data_printdemodbuf(void) {
PrintAndLogEx(NORMAL, "Usage: data printdemodbuffer x o <offset> l <length>");
PrintAndLogEx(NORMAL, "Options:");
PrintAndLogEx(NORMAL, " h This help");
PrintAndLogEx(NORMAL, " i invert Demodbuffer before printing");
PrintAndLogEx(NORMAL, " x output in hex (omit for binary output)");
PrintAndLogEx(NORMAL, " o <offset> enter offset in # of bits");
PrintAndLogEx(NORMAL, " l <length> enter length to print in # of bits or hex characters respectively");
@ -251,7 +252,6 @@ static int usage_data_fsktonrz() {
return PM3_SUCCESS;
}
//set the demod buffer with given array of binary (one bit per byte)
//by marshmellow
void setDemodBuff(uint8_t *buff, size_t size, size_t start_idx) {
@ -404,6 +404,7 @@ int CmdPrintDemodBuff(const char *Cmd) {
bool hexMode = false;
bool errors = false;
bool lstrip = false;
bool invert = false;
uint32_t offset = 0;
uint32_t length = 512;
char cmdp = 0;
@ -427,7 +428,11 @@ int CmdPrintDemodBuff(const char *Cmd) {
break;
case 's':
lstrip = true;
cmdp ++;
cmdp++;
break;
case 'i':
invert = true;
cmdp++;
break;
default:
PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
@ -453,6 +458,18 @@ int CmdPrintDemodBuff(const char *Cmd) {
}
length = (length > (DemodBufferLen - offset)) ? DemodBufferLen - offset : length;
if (invert) {
char *buf = (char *)(DemodBuffer + offset);
for (uint32_t i = 0; i < length; i++) {
if ( buf[i] == 1 )
buf[i] = 0;
else {
if ( buf[i] == 0 )
buf[i] = 1;
}
}
}
if (hexMode) {
char *buf = (char *)(DemodBuffer + offset);
char hex[512] = {0x00};
@ -2160,7 +2177,6 @@ static command_t CommandTable[] = {
{"dec", CmdDec, AlwaysAvailable, "Decimate samples"},
{"detectclock", CmdDetectClockRate, AlwaysAvailable, "[<a|f|n|p>] Detect ASK, FSK, NRZ, PSK clock rate of wave in GraphBuffer"},
{"fsktonrz", CmdFSKToNRZ, AlwaysAvailable, "Convert fsk2 to nrz wave for alternate fsk demodulating (for weak fsk)"},
{"getbitstream", CmdGetBitStream, AlwaysAvailable, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
{"grid", CmdGrid, AlwaysAvailable, "<x> <y> -- overlay grid on graph window, use zero value to turn off either"},
{"hexsamples", CmdHexsamples, IfPm3Present, "<bytes> [<offset>] -- Dump big buffer as hex bytes"},