add first attempt at lf miller decoding

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index e07e72235a8c624d22880372e67c8468bb20bd92..f1e6c7958765cd933c15ffec6b0d93a83a514e2c 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -29,6 +29,9 @@
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
 uint8_t g_debugMode=0;
 size_t DemodBufferLen=0;
+size_t g_demodStartIdx=0;
+uint8_t g_demodClock=0;
+
 static int CmdHelp(const char *Cmd);
 
 //set the demod buffer with given array of binary (one bit per byte)
@@ -253,6 +256,7 @@ void printEM410x(uint32_t hi, uint64_t id)
        return;
 }
 
+//should be moved to cmdlfem4x.c
 int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
 {
        size_t idx = 0;
@@ -274,7 +278,7 @@ int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo )
        }
        return 0;
 }
-
+//should be moved to cmdlfem4x.c
 int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
 {
        bool st = true;
@@ -282,6 +286,7 @@ int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose)
        return AskEm410xDecode(verbose, hi, lo);
 }
 
+//should be moved to cmdlfem4x.c
 //by marshmellow
 //takes 3 arguments - clock, invert and maxErr as integers
 //attempts to demodulate ask while decoding manchester
@@ -451,7 +456,8 @@ int Cmdmandecoderaw(const char *Cmd)
 
        sscanf(Cmd, "%i %i", &invert, &maxErr);
        size=i;
-       errCnt=manrawdecode(BitStream, &size, invert);
+       uint8_t alignPos = 0;
+       errCnt=manrawdecode(BitStream, &size, invert, &alignPos);
        if (errCnt>=maxErr){
                PrintAndLog("Too many errors: %d",errCnt);
                return 0;
@@ -590,6 +596,7 @@ int Cmdaskbiphdemod(const char *Cmd)
        return ASKbiphaseDemod(Cmd, true);
 }
 
+//could be split to a gProxII file
 //by marshmellow
 //attempts to demodulate and identify a G_Prox_II verex/chubb card
 //WARNING: if it fails during some points it will destroy the DemodBuffer data
@@ -655,6 +662,7 @@ int CmdG_Prox_II_Demod(const char *Cmd)
        return 1;
 }
 
+//could be moved to a viking file
 //by marshmellow
 //see ASKDemod for what args are accepted
 int CmdVikingDemod(const char *Cmd)
@@ -1038,6 +1046,7 @@ int CmdFSKrawdemod(const char *Cmd)
        return FSKrawDemod(Cmd, true);
 }
 
+//move to cmdlfhid.c
 //by marshmellow (based on existing demod + holiman's refactor)
 //HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded)
 //print full HID Prox ID and some bit format details if found
@@ -1124,6 +1133,7 @@ int CmdFSKdemodHID(const char *Cmd)
        return 1;
 }
 
+
 //by marshmellow
 //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded)
 //print full Paradox Prox ID and some bit format details if found
@@ -2264,13 +2274,13 @@ int CmdDirectionalThreshold(const char *Cmd)
                if (GraphBuffer[i] >= upThres && GraphBuffer[i] > lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
-                       GraphBuffer[i] = 1;
+                       GraphBuffer[i] = 127;
                }
                // Apply second threshold to samples heading down
                else if (GraphBuffer[i] <= downThres && GraphBuffer[i] < lastValue)
                {
                        lastValue = GraphBuffer[i]; // Buffer last value as we overwrite it.
-                       GraphBuffer[i] = -1;
+                       GraphBuffer[i] = -127;
                }
                else
                {