mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-14 10:37:23 -07:00
chg: cleaning up some function calls.
fix: check to see clock is bigger than zero.
This commit is contained in:
parent
3b91a33eec
commit
30ceea4aea
8 changed files with 114 additions and 85 deletions
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@ -77,8 +77,9 @@ size_t getFromGraphBuf(uint8_t *buf) {
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if (buf == NULL ) return 0;
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uint32_t i;
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for (i=0; i < GraphTraceLen; ++i){
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if (GraphBuffer[i] > 127) GraphBuffer[i] = 127; //trim
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if (GraphBuffer[i] < -127) GraphBuffer[i] = -127; //trim
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//trim
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if (GraphBuffer[i] > 127) GraphBuffer[i] = 127;
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if (GraphBuffer[i] < -127) GraphBuffer[i] = -127;
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buf[i] = (uint8_t)(GraphBuffer[i] + 128);
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}
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return i;
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@ -94,19 +95,17 @@ bool HasGraphData(){
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}
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// Get or auto-detect ask clock rate
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int GetAskClock(const char str[], bool printAns, bool verbose) {
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int clock;
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sscanf(str, "%i", &clock);
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if (!strcmp(str, ""))
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clock = 0;
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int GetAskClock(const char *str, bool printAns) {
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if (clock != 0) return clock;
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int clock = param_get32ex(str, 0, 0, 10);
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if (clock > 0)
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return clock;
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// Auto-detect clock
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uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};
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size_t size = getFromGraphBuf(grph);
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if (size == 0) {
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if (verbose)
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if (g_debugMode)
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PrintAndLog("Failed to copy from graphbuffer");
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return -1;
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}
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@ -119,18 +118,18 @@ int GetAskClock(const char str[], bool printAns, bool verbose) {
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}
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setClockGrid(clock, start);
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// Only print this message if we're not looping something
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if (printAns || g_debugMode) {
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if (printAns || g_debugMode)
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PrintAndLog("Auto-detected clock rate: %d, Best Starting Position: %d", clock, start);
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}
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return clock;
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}
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uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose) {
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uint8_t GetPskCarrier(const char *str, bool printAns) {
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uint8_t carrier = 0;
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uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};
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size_t size = getFromGraphBuf(grph);
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if ( size == 0 ) {
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if (verbose)
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if (g_debugMode)
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PrintAndLog("Failed to copy from graphbuffer");
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return 0;
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}
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@ -144,18 +143,16 @@ uint8_t GetPskCarrier(const char str[], bool printAns, bool verbose) {
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return carrier;
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}
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int GetPskClock(const char str[], bool printAns, bool verbose) {
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int clock;
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sscanf(str, "%i", &clock);
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if (!strcmp(str, ""))
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clock = 0;
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if (clock != 0) return clock;
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int GetPskClock(const char* str, bool printAns) {
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int clock = param_get32ex(str, 0, 0, 10);
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if (clock != 0)
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return clock;
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// Auto-detect clock
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uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};
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size_t size = getFromGraphBuf(grph);
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if ( size == 0 ) {
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if (verbose) PrintAndLog("Failed to copy from graphbuffer");
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if (g_debugMode) PrintAndLog("Failed to copy from graphbuffer");
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return -1;
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}
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size_t firstPhaseShiftLoc = 0;
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@ -163,25 +160,22 @@ int GetPskClock(const char str[], bool printAns, bool verbose) {
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clock = DetectPSKClock(grph, size, 0, &firstPhaseShiftLoc, &curPhase, &fc);
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setClockGrid(clock, firstPhaseShiftLoc);
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// Only print this message if we're not looping something
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if (printAns){
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if (printAns)
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PrintAndLog("Auto-detected clock rate: %d", clock);
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}
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return clock;
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}
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uint8_t GetNrzClock(const char str[], bool printAns, bool verbose) {
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int clock;
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sscanf(str, "%i", &clock);
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if (!strcmp(str, ""))
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clock = 0;
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int GetNrzClock(const char* str, bool printAns) {
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int clock = param_get32ex(str, 0, 0, 10);
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if (clock != 0)
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return clock;
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// Auto-detect clock
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uint8_t grph[MAX_GRAPH_TRACE_LEN] = {0};
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size_t size = getFromGraphBuf(grph);
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if ( size == 0 ) {
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if (verbose)
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if (g_debugMode)
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PrintAndLog("Failed to copy from graphbuffer");
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return -1;
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}
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@ -189,44 +183,44 @@ uint8_t GetNrzClock(const char str[], bool printAns, bool verbose) {
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clock = DetectNRZClock(grph, size, 0, &clkStartIdx);
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setClockGrid(clock, clkStartIdx);
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// Only print this message if we're not looping something
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if (printAns){
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if (printAns)
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PrintAndLog("Auto-detected clock rate: %d", clock);
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}
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return clock;
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}
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//by marshmellow
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//attempt to detect the field clock and bit clock for FSK
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uint8_t GetFskClock(const char str[], bool printAns, bool verbose) {
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int clock;
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sscanf(str, "%i", &clock);
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if (!strcmp(str, ""))
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clock = 0;
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if (clock != 0) return (uint8_t)clock;
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int GetFskClock(const char* str, bool printAns) {
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int clock = param_get32ex(str, 0, 0, 10);
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if (clock != 0)
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return clock;
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uint8_t fc1=0, fc2=0, rf1=0;
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uint8_t fc1 = 0, fc2 = 0, rf1 = 0;
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int firstClockEdge = 0;
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uint8_t ans = fskClocks(&fc1, &fc2, &rf1, verbose, &firstClockEdge);
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if (ans == 0) return 0;
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int ans = fskClocks(&fc1, &fc2, &rf1, &firstClockEdge);
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if (ans == 0)
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return 0;
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if ((fc1==10 && fc2==8) || (fc1==8 && fc2==5)){
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if (printAns) PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
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setClockGrid(rf1, firstClockEdge);
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return rf1;
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}
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if (verbose){
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if (g_debugMode) {
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PrintAndLog("DEBUG: unknown fsk field clock detected");
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PrintAndLog("Detected Field Clocks: FC/%d, FC/%d - Bit Clock: RF/%d", fc1, fc2, rf1);
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}
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return 0;
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}
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uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose, int *firstClockEdge) {
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int fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, int *firstClockEdge) {
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uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0};
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size_t size = getFromGraphBuf(bits);
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if (size == 0) return 0;
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if (size == 0)
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return 0;
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uint16_t ans = countFC(bits, size, 1);
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if (ans == 0) {
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if (verbose || g_debugMode) PrintAndLog("DEBUG: No data found");
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if (g_debugMode) PrintAndLog("DEBUG: No data found");
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return 0;
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}
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@ -235,7 +229,7 @@ uint8_t fskClocks(uint8_t *fc1, uint8_t *fc2, uint8_t *rf1, bool verbose, int *f
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//int firstClockEdge = 0;
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*rf1 = detectFSKClk(bits, size, *fc1, *fc2, firstClockEdge);
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if (*rf1 == 0) {
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if (verbose || g_debugMode) PrintAndLog("DEBUG: Clock detect error");
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if (g_debugMode) PrintAndLog("DEBUG: Clock detect error");
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return 0;
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}
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return 1;
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