Jerry-rig a simply hysteresis based receiver into hi_read_tx. Output is via SSC_DIN...

[proxmark3-svn] / winsrc / command.cpp

diff --git a/winsrc/command.cpp b/winsrc/command.cpp
index 929cff070c32359caf28b3b82937736a01f13a5f..e94c234cce4e572d10ecaf78b3f2455b62a62eee 100644 (file)
--- a/winsrc/command.cpp
+++ b/winsrc/command.cpp
@@ -207,6 +207,13 @@ static void CmdHi14asnoop(char *str)
        SendCommand(&c, FALSE);\r
 }\r
 \r
+static void CmdLegicRfSim(char *str)\r
+{\r
+       UsbCommand c;\r
+       c.cmd = CMD_SIMULATE_TAG_LEGIC_RF;\r
+       SendCommand(&c, FALSE);\r
+}\r
+\r
 static void CmdFPGAOff(char *str)              // ## FPGA Control\r
 {\r
        UsbCommand c;\r
@@ -1808,6 +1815,40 @@ static void CmdNorm(char *str)
        RepaintGraphWindow();\r
 }\r
 \r
+static void CmdAmp(char *str)\r
+{\r
+       int i, rising, falling;\r
+       int max = INT_MIN, min = INT_MAX;\r
+       for(i = 10; i < GraphTraceLen; i++) {\r
+               if(GraphBuffer[i] > max) {\r
+                       max = GraphBuffer[i];\r
+               }\r
+               if(GraphBuffer[i] < min) {\r
+                       min = GraphBuffer[i];\r
+               }\r
+       }\r
+       if(max != min) {\r
+               rising= falling= 0;\r
+               for(i = 0; i < GraphTraceLen; i++) {\r
+                       if(GraphBuffer[i+1] < GraphBuffer[i]) {\r
+                               if(rising) {\r
+                                       GraphBuffer[i]= max;\r
+                                       rising= 0;\r
+                                       }\r
+                               falling= 1;\r
+                               }\r
+                       if(GraphBuffer[i+1] > GraphBuffer[i]) {\r
+                               if(falling) {\r
+                                       GraphBuffer[i]= min;\r
+                                       falling= 0;\r
+                                       }\r
+                               rising= 1;\r
+                               }\r
+               }\r
+       }\r
+       RepaintGraphWindow();\r
+}\r
+\r
 static void CmdDec(char *str)\r
 {\r
        int i;\r
@@ -2238,9 +2279,11 @@ static void Cmdaskdemod(char *str) {
        int c, high = 0, low = 0;\r
 \r
        // TODO: complain if we do not give 2 arguments here !\r
+       // (AL - this doesn't make sense! we're only using one argument!!!)\r
        sscanf(str, "%i", &c);\r
 \r
        /* Detect high and lows and clock */\r
+       // (AL - clock???)\r
        for (i = 0; i < GraphTraceLen; i++)\r
        {\r
                if (GraphBuffer[i] > high)\r
@@ -2248,6 +2291,10 @@ static void Cmdaskdemod(char *str) {
                else if (GraphBuffer[i] < low)\r
                        low = GraphBuffer[i];\r
        }\r
+       if(c != 0 && c != 1) {\r
+               PrintToScrollback("Invalid argument: %s",str);\r
+               return;\r
+               }\r
 \r
        if (GraphBuffer[0] > 0) {\r
                GraphBuffer[0] = 1-c;\r
@@ -2492,7 +2539,12 @@ static void Cmdmanchesterdemod(char *str) {
 \r
        /* Detect first transition */\r
        /* Lo-Hi (arbitrary)       */\r
-       for (i = 0; i < GraphTraceLen; i++)\r
+       /* skip to the first high */\r
+       for (i= 0; i < GraphTraceLen; i++)\r
+               if(GraphBuffer[i] == high)\r
+                       break;\r
+       /* now look for the first low */\r
+       for (; i < GraphTraceLen; i++)\r
        {\r
                if (GraphBuffer[i] == low)\r
                {\r
@@ -2785,6 +2837,22 @@ static void CmdSetDivisor(char *str)
        }\r
 }\r
 \r
+static void CmdSetMux(char *str)\r
+{\r
+       UsbCommand c;\r
+       c.cmd = CMD_SET_ADC_MUX;\r
+       if(strcmp(str, "lopkd") == 0) {\r
+               c.ext1 = 0;\r
+       } else if(strcmp(str, "loraw") == 0) {\r
+               c.ext1 = 1;\r
+       } else if(strcmp(str, "hipkd") == 0) {\r
+               c.ext1 = 2;\r
+       } else if(strcmp(str, "hiraw") == 0) {\r
+               c.ext1 = 3;\r
+       }\r
+       SendCommand(&c, FALSE);\r
+}\r
+\r
 typedef void HandlerFunction(char *cmdline);\r
 \r
 /* in alphabetic order */\r
@@ -2794,7 +2862,8 @@ static struct {
        int             offline;  // 1 if the command can be used when in offline mode\r
        char            *docString;\r
 } CommandTable[] = {\r
-       {"askdemod",                    Cmdaskdemod,                            1, "<samples per bit> <0|1> -- Attempt to demodulate simple ASK tags"},\r
+       {"amp",                                 CmdAmp,                                         1, "Amplify peaks"},\r
+       {"askdemod",                    Cmdaskdemod,                            1, "<0|1> -- Attempt to demodulate simple ASK tags"},\r
        {"autocorr",                    CmdAutoCorr,                            1, "<window length> -- Autocorrelation over window"},\r
        {"bitsamples",          CmdBitsamples,                  0, "Get raw samples as bitstring"},\r
        {"bitstream",                   Cmdbitstream,                           1, "[clock rate] -- Convert waveform into a bitstream"},\r
@@ -2838,6 +2907,7 @@ static struct {
        {"indalademod",         CmdIndalademod,                 0, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},\r
        {"lcd",                                         CmdLcd,                                                 0, "<HEX command> <count> -- Send command/data to LCD"},\r
        {"lcdreset",                    CmdLcdReset,                            0, "Hardware reset LCD"},\r
+       {"legicrfsim",                  CmdLegicRfSim,                                                  0, "Start the LEGIC RF tag simulator"},\r
        {"load",                                        CmdLoad,                                                1, "<filename> -- Load trace (to graph window"},\r
        {"locomread",                   CmdLoCommandRead,               0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},\r
        {"loread",                              CmdLoread,                                      0, "['h'] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134)"},\r
@@ -2855,6 +2925,7 @@ static struct {
        {"save",                                        CmdSave,                                                1, "<filename> -- Save trace (from graph window)"},\r
        {"scale",                                       CmdScale,                                               1, "<int> -- Set cursor display scale"},\r
        {"setlfdivisor",        CmdSetDivisor,                  0, "<19 - 255> -- Drive LF antenna at 12Mhz/(divisor+1)"},\r
+       {"setmux",              CmdSetMux,                      0, "<loraw|hiraw|lopkd|hipkd> -- Set the ADC mux to a specific value"},\r
        {"sri512read",          CmdSri512read,                  0, "<int> -- Read contents of a SRI512 tag"},\r
        {"tidemod",                             CmdTIDemod,                                     1, "Demodulate raw bits for TI-type LF tag"},\r
        {"tiread",                              CmdTIRead,                                      0, "Read and decode a TI 134 kHz tag"},\r