]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlft55xx.c
ADD: LF T55XX CONFIG, is almost there, Usage: lf t55xx config [d <demodulation...
[proxmark3-svn] / client / cmdlft55xx.c
index 4a1bdaa07ce6fbfb0c4d8e82733dbbaab70ff58a..7a377cc9bac4d6187596acb3950bd4bc05dd3a33 100644 (file)
 #include "util.h"\r
 #include "data.h"\r
 #include "lfdemod.h"\r
+#include "../common/crc.h"\r
 \r
 #define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10  (32 bit times numofblock (7), times clock skip..)\r
 #define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend..  8block * 4 bytes * 8bits = \r
 \r
+//  0 = FSK\r
+//  1 = ASK\r
+//  2 = PSK\r
+//  4 = NZR (direct)\r
+typedef struct {\r
+       uint8_t modulation;\r
+       bool inversed;\r
+       uint32_t block0;\r
+} t55xx_conf_block_t;\r
+\r
+// Default configuration: FSK, not inversed.\r
+t55xx_conf_block_t config = { .modulation = 0, .inversed = FALSE, .block0 = 0x00};\r
+\r
+int usage_t55xx_config(){\r
+       PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1]");\r
+       PrintAndLog("Options:        ");\r
+       PrintAndLog("       h                        This help");\r
+       PrintAndLog("       d <FSK|ASK|PSK|NZ|BI>    Set demodulation FSK / ASK / PSK / NZ / Biphase");\r
+       PrintAndLog("       i [1]                    Inverse data signal, defaults to normal");\r
+       PrintAndLog("");\r
+       PrintAndLog("Examples:");\r
+       PrintAndLog("      lf t55xx config d FSK     - FSK demodulation");\r
+       PrintAndLog("      lf t55xx config d FSK i 1 - FSK demodulation, inverse data");\r
+       PrintAndLog("");\r
+       return 0;\r
+}\r
 int usage_t55xx_read(){\r
        PrintAndLog("Usage:  lf t55xx read <block> <password>");\r
     PrintAndLog("     <block>, block number to read. Between 0-7");\r
     PrintAndLog("     <password>, OPTIONAL password (8 hex characters)");\r
     PrintAndLog("");\r
-    PrintAndLog("    sample: lf t55xx read 0           = try reading data from block 0");\r
-       PrintAndLog("          : lf t55xx read 0 feedbeef  = try reading data from block 0 using password");\r
+       PrintAndLog("Examples:");\r
+    PrintAndLog("      lf t55xx read 0           - read data from block 0");\r
+       PrintAndLog("      lf t55xx read 0 feedbeef  - read data from block 0 password feedbeef");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
@@ -41,55 +69,115 @@ int usage_t55xx_write(){
        PrintAndLog("     <data>,  4 bytes of data to write (8 hex characters)");\r
     PrintAndLog("     [password], OPTIONAL password 4bytes (8 hex characters)");\r
     PrintAndLog("");\r
-    PrintAndLog("    sample: lf t55xx wd 3 11223344  = try writing data 11223344 to block 3");\r
-       PrintAndLog("          : lf t55xx wd 3 11223344 feedbeef  = try writing data 11223344 to block 3 using password feedbeef");\r
+       PrintAndLog("Examples:");\r
+    PrintAndLog("      lf t55xx wd 3 11223344           - write 11223344 to block 3");\r
+       PrintAndLog("      lf t55xx wd 3 11223344 feedbeef  - write 11223344 to block 3 password feedbeef");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
 int usage_t55xx_trace() {\r
-       PrintAndLog("Usage:  lf t55xx trace  [graph buffer data]");\r
+       PrintAndLog("Usage:  lf t55xx trace [1]");\r
        PrintAndLog("     [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
        PrintAndLog("");\r
-       PrintAndLog("     sample: lf t55xx trace");\r
-       PrintAndLog("           : lf t55xx trace 1");\r
+       PrintAndLog("Examples:");\r
+       PrintAndLog("      lf t55xx trace");\r
+       PrintAndLog("      lf t55xx trace 1");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
 int usage_t55xx_info() {\r
-       PrintAndLog("Usage:  lf t55xx info [graph buffer data]");\r
+       PrintAndLog("Usage:  lf t55xx info [1]");\r
        PrintAndLog("     [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
        PrintAndLog("");\r
-       PrintAndLog("    sample: lf t55xx info");\r
-       PrintAndLog("          : lf t55xx info 1");\r
+       PrintAndLog("Examples:");\r
+       PrintAndLog("      lf t55xx info");\r
+       PrintAndLog("      lf t55xx info 1");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
 int usage_t55xx_dump(){\r
        PrintAndLog("Usage:  lf t55xx dump <password>");\r
-    PrintAndLog("     <password>, OPTIONAL password 4bytes (8 hex characters)");\r
+    PrintAndLog("     <password>, OPTIONAL password 4bytes (8 hex symbols)");\r
        PrintAndLog("");\r
-       PrintAndLog("        sample: lf t55xx dump");\r
-       PrintAndLog("              : lf t55xx dump feedbeef");\r
+       PrintAndLog("Examples:");\r
+       PrintAndLog("      lf t55xx dump");\r
+       PrintAndLog("      lf t55xx dump feedbeef");\r
        PrintAndLog("");\r
        return 0;\r
 }\r
 \r
 static int CmdHelp(const char *Cmd);\r
 \r
+int CmdT55xxSetConfig(const char *Cmd){\r
+\r
+       int len;\r
+       bool inverse;\r
+       bool errors = FALSE;\r
+       uint8_t cmdp = 0;\r
+       char modulation[4] = {0x00};\r
+       \r
+       while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
+       {\r
+               switch(param_getchar(Cmd, cmdp))\r
+               {\r
+               case 'h':\r
+               case 'H':\r
+                       return usage_t55xx_config();\r
+               case 'd':\r
+                       len = param_getstr(Cmd, cmdp+1, modulation);\r
+                       cmdp+= len+1;\r
+                       //FSK|ASK|PSK|NZ|BI\r
+                       if ( strcmp(modulation, "FSK" ) == 0)\r
+                               len = 1;\r
+                       else if ( strcmp(modulation, "ASK" ) == 0)\r
+                               len = 2;\r
+                       else if ( strcmp(modulation, "PSK" ) == 0)\r
+                               len = 3;\r
+                       else if ( strcmp(modulation, "NZ" ) == 0)\r
+                               len = 4;\r
+                       else if ( strcmp(modulation, "BI" ) == 0)\r
+                               len = 5;\r
+                       else {\r
+                               PrintAndLog("Unknown modulation '%s'", modulation);\r
+                               errors = TRUE;\r
+                       }\r
+                       break;\r
+               case 'i':\r
+                       inverse = param_getchar(Cmd,cmdp+1) == '1';\r
+                       cmdp+=2;\r
+                       break;\r
+               default:\r
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
+                       errors = TRUE;\r
+                       break;\r
+               }\r
+       }\r
+       // No args\r
+       if (cmdp == 0) {\r
+               PrintAndLog("Modulation: %d", config.modulation);\r
+               PrintAndLog("Invert    : %d", config.inversed);\r
+               PrintAndLog("Block0    : %08X", config.block0);\r
+               return 0;\r
+       }\r
+       //Validations\r
+       if (errors)\r
+               return usage_t55xx_config();\r
\r
+       config.modulation = len;\r
+       config.inversed = inverse;\r
+       config.block0 = 0;\r
+       return 0;\r
+}\r
+// detect configuration?\r
+\r
 int CmdReadBlk(const char *Cmd)\r
 {\r
-       int i = 0;\r
        int block = -1;\r
        int password = 0xFFFFFFFF; //default to blank Block 7\r
-       size_t bitlen = 0;\r
-       uint32_t blockData = 0;\r
-       uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
-       \r
+\r
        char cmdp = param_getchar(Cmd, 0);\r
-       if (cmdp == 'h' || cmdp == 'H') {\r
-               usage_t55xx_read();\r
-               return 0;\r
-       }\r
+       if (cmdp == 'h' || cmdp == 'H')\r
+               return usage_t55xx_read();\r
 \r
        int res = sscanf(Cmd, "%d %x", &block, &password);\r
 \r
@@ -123,41 +211,69 @@ int CmdReadBlk(const char *Cmd)
        WaitForResponse(CMD_ACK,NULL);\r
 \r
        setGraphBuf(got, 12000);\r
-       \r
-       bitlen = getFromGraphBuf(bits);\r
-\r
-       int ans = 0;\r
-       ans = CmdFSKrawdemod("");\r
-       ans = CmdFSKrawdemod("1"); //invert?\r
-       ans = Cmdaskmandemod("");\r
-       ans = Cmdaskrawdemod("");\r
-       ans = CmdNRZrawDemod("");\r
-       ans = CmdPSK1rawDemod("");\r
-       ans = CmdPSK2rawDemod("");\r
+\r
+       if (block == 0){\r
+               // try a detection.     \r
+       }\r
        \r
-       // if ( !tryDemod(bits, bitlen) )\r
-               // return 3;\r
+       if (CmdDetectClockRate("f")){ //wave is almost certainly FSK\r
+               // FSK\r
+               if ( FSKrawDemod("0 0", FALSE))\r
+                       printT55xx("FSK");\r
+               // FSK inverted\r
+               if ( FSKrawDemod("0 1", FALSE)) \r
+                       printT55xx("FSK inv");\r
+    } else {\r
+               // ASK/MAN (autoclock, normal, maxerrors 1)\r
+               if ( ASKmanDemod("0 0 1", FALSE, FALSE) )\r
+                       printT55xx("ASK/MAN");\r
+               \r
+               // ASK/MAN (autoclock, inverted, maxerrors 1)\r
+               if ( ASKmanDemod("0 1 1", FALSE, FALSE) )\r
+                       printT55xx("ASK/MAN Inv");\r
+\r
+               // NZR (autoclock, normal, maxerrors 1)\r
+               if  ( NRZrawDemod("0 0 1", FALSE) )\r
+                       printT55xx("NZR");\r
+               // NZR (autoclock, inverted, maxerrors 1)\r
+               if  ( NRZrawDemod("0 1 1", FALSE) )\r
+                       printT55xx("NZR inv");\r
+               \r
+               // PSK (autoclock, normal, maxerrors 1)\r
+               if (!PSKDemod("0 0 1", FALSE))\r
+                       printT55xx("PSK");\r
+\r
+               // PSK (autoclock, inverted, maxerrors 1)\r
+               if (!PSKDemod("0 1 1", FALSE))\r
+                       printT55xx("PSK inv");\r
+               \r
+               //PSK2?\r
+               \r
+               // if (!BiphaseRawDecode("0",FALSE))\r
+                       // printT55xx("BIPHASE");\r
+               \r
+               // if (!BiphaseRawDecode("1",FALSE))\r
+                       // printT55xx("BIPHASE inv");\r
+       }\r
+       return 0;\r
+}\r
+\r
+void printT55xx(const char *demodStr){\r
        \r
-       // //move bits back to DemodBuffer\r
-       // setDemodBuf(bits, bitlen, 0);\r
-       // printBitStream(bits, bitlen);\r
+       uint32_t blockData = 0;\r
+       uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
+               \r
        if ( !DemodBufferLen) \r
-               return 0;\r
+               return;\r
        \r
+       int i =0;\r
     for (;i<DemodBufferLen;++i)\r
                bits[i]=DemodBuffer[i];\r
        \r
        blockData = PackBits(1, 32, bits);\r
-\r
-       if ( block < 0)\r
-               PrintAndLog(" Decoded     : 0x%08X  %s", blockData, sprint_bin(bits+1,32) );\r
-       else\r
-               PrintAndLog(" Block %d    : 0x%08X  %s", block, blockData, sprint_bin(bits+1,32) );\r
-       \r
-       return 0;\r
+       PrintAndLog("0x%08X  %s [%s]", blockData, sprint_bin(bits+1,32), demodStr );\r
 }\r
 \r
-\r
 /*\r
 FSK1 / FSK1a\r
 size = fskdemod(dest, size, 32, 0, 8, 10);  // fsk1 RF/32 \r
@@ -172,54 +288,6 @@ size = fskdemod(dest, size, 64, 1, 10, 8);  // FSK2a RF/64
 PSK1\r
 errCnt = pskRawDemod(bits, &bitlen, 32, 0);\r
 */\r
-bool tryDemod(uint8_t bits[], size_t bitlen) {\r
-       \r
-       int invert = 0;\r
-       int clk = 0;\r
-       int errCnt, size;\r
-       int maxErr = 100;\r
-       uint8_t rflen, fchigh, fclow, dummy = 0;\r
-       uint16_t fcs=0;\r
-\r
-       // ASK - manchester demod\r
-       errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr);\r
-       if ( analyseDemod(errCnt, bitlen, clk, invert) ) \r
-               return true;\r
-\r
-       // FSK demod\r
-       fcs = countFC(bits, bitlen, &dummy);\r
-       if (fcs == 0){\r
-         fchigh = 10;\r
-         fclow = 8;\r
-       }else{\r
-         fchigh = (fcs >> 8) & 0xFF;\r
-         fclow = fcs & 0xFF;\r
-       }\r
-       //get bit clock length\r
-       rflen = detectFSKClk(bits, bitlen, fchigh, fclow);\r
-       rflen = (rflen == 0) ? 50 : rflen;\r
-\r
-       size = fskdemod(bits, bitlen, rflen, invert, fchigh, fclow);\r
-       if ( analyseDemod(size, bitlen, clk, invert) ) \r
-               return true;    \r
-       \r
-       // PSK demod\r
-       return false;\r
-}\r
-\r
-bool analyseDemod( int errCnt, size_t bitlen, uint8_t clock, uint8_t invert){\r
-       if (g_debugMode) \r
-               PrintAndLog("ErrorCount: %d, Bits Found: %d, Clock: %d, invert: %d", errCnt, bitlen, clock, invert);\r
-         //PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow);\r
-         \r
-       //throw away static - allow 1 and -1 (in case of threshold command first)\r
-       if ( errCnt == -1 || bitlen < 32 ){  \r
-               PrintAndLog("no success demod");\r
-               return false;\r
-       }\r
-       return true;\r
-}\r
-\r
 int CmdWriteBlk(const char *Cmd)\r
 {\r
        int block = 8; //default to invalid block\r
@@ -263,7 +331,6 @@ int CmdWriteBlk(const char *Cmd)
 \r
 int CmdReadTrace(const char *Cmd)\r
 {\r
-       size_t bitlen;\r
        uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};\r
 \r
        char cmdp = param_getchar(Cmd, 0);\r
@@ -285,9 +352,10 @@ int CmdReadTrace(const char *Cmd)
                //CmdSamples("12000");\r
        }\r
        \r
-       bitlen = getFromGraphBuf(bits);\r
-\r
-\r
+       size_t bitlen = getFromGraphBuf(bits);\r
+       if ( bitlen == 0 )\r
+               return 2;\r
+       \r
        RepaintGraphWindow();\r
 \r
        uint8_t si = 5;\r
@@ -349,18 +417,17 @@ int CmdInfo(const char *Cmd){
        */\r
        char cmdp = param_getchar(Cmd, 0);\r
 \r
-       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
-               usage_t55xx_info();\r
-               return 0;\r
+       if (cmdp == 'h' || cmdp == 'H') {\r
+               return usage_t55xx_info();\r
        } else {\r
                CmdReadBlk("0");\r
        }       \r
 \r
+       // config\r
+       \r
        uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
 \r
-       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);\r
-       \r
-       uint8_t si = 5;\r
+       uint8_t si = 1;\r
        uint32_t bl0      = PackBits(si, 32, bits);\r
        \r
        uint32_t safer    = PackBits(si, 4, bits); si += 4;     \r
@@ -434,40 +501,6 @@ int CmdDump(const char *Cmd){
        return 0;\r
 }\r
 \r
-int CmdIceFsk(const char *Cmd){\r
-\r
-       if (!HasGraphData()) return 0;\r
-\r
-       iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);\r
-       RepaintGraphWindow();\r
-       return 0;\r
-}\r
-int CmdIceManchester(const char *Cmd){\r
-       ManchesterDemod( -1);\r
-       return 0;\r
-}\r
-int ManchesterDemod(int blockNum){\r
-\r
-       if (!HasGraphData()) return 0;\r
-               \r
-       uint8_t sizebyte = 32;\r
-       // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.\r
-       uint8_t offset = 5;\r
-       uint32_t blockData;\r
-       uint8_t  bits[LF_BITSSTREAM_LEN] = {0x00};\r
-       uint8_t * bitstream = bits;\r
-       \r
-       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);    \r
-       blockData = PackBits(offset, sizebyte, bits);\r
-\r
-       if ( blockNum < 0)\r
-               PrintAndLog(" Decoded     : 0x%08X  %s", blockData, sprint_bin(bitstream+offset,sizebyte) );\r
-               else\r
-               PrintAndLog(" Block %d    : 0x%08X  %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) );\r
-       \r
-       return 0;\r
-} \r
-\r
 char * GetBitRateStr(uint32_t id){\r
        static char buf[40];\r
        char *retStr = buf;\r
@@ -563,7 +596,6 @@ char * GetModulationStr( uint32_t id){
        return buf;\r
 }\r
 \r
-\r
 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
        \r
        int i = start;\r
@@ -580,12 +612,13 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
 \r
 static command_t CommandTable[] =\r
 {\r
-  {"help",   CmdHelp,        1, "This help"},\r
-  {"read",   CmdReadBlk,     0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
-  {"write",  CmdWriteBlk,    0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
-  {"trace",  CmdReadTrace,   0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},\r
-  {"info",   CmdInfo,        0, "[1] Read T55xx configuration data (page 0/ blk 0)"},\r
-  {"dump",   CmdDump,        0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
+  {"help",   CmdHelp,           1, "This help"},\r
+  {"config", CmdT55xxSetConfig, 1, "Set T55XX config for modulation, inversed data"},\r
+  {"read",   CmdReadBlk,        0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
+  {"write",  CmdWriteBlk,       0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
+  {"trace",  CmdReadTrace,      0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},\r
+  {"info",   CmdInfo,           0, "[1] Read T55xx configuration data (page 0/ blk 0)"},\r
+  {"dump",   CmdDump,           0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
   {NULL, NULL, 0, NULL}\r
 };\r
 \r
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