ADD: Holimans new changes in master.

[proxmark3-svn] / client / cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index 513eb0ef668683334191f388243951ba5567cfc3..24685eb976f7f48db4aa540cebaf34555893eb31 100644 (file)
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -22,11 +22,10 @@
 #include "data.h"\r
 \r
 \r
-#define LF_TRACE_BUFF_SIZE 12000 // 32 x 32 x 10  (32 bit times numofblock (7), times clock skip..)\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
 static int CmdHelp(const char *Cmd);\r
 \r
-\r
 int CmdReadBlk(const char *Cmd)\r
 {\r
        int block = -1;\r
@@ -46,18 +45,17 @@ int CmdReadBlk(const char *Cmd)
        SendCommand(&c);\r
        WaitForResponse(CMD_ACK, NULL);\r
        \r
-//     uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
+       uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
        \r
-       // GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..\r
-       // WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
-\r
-       // for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
-               // GraphBuffer[j] = (int)data[j];\r
-       // }\r
-       // GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
-       CmdSamples("12000");\r
+       GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0);  //3560 -- should be offset..\r
+       WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
+\r
+       for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
+               GraphBuffer[j] = (int)data[j];\r
+       }\r
+       GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
        ManchesterDemod(block);\r
-       // RepaintGraphWindow();\r
+       RepaintGraphWindow();\r
   return 0;\r
 }\r
 \r
@@ -86,7 +84,7 @@ int CmdReadBlkPWD(const char *Cmd)
                \r
        uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
 \r
-       GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..\r
+       GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0);  //3560 -- should be offset..\r
        WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
 \r
        for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
@@ -167,7 +165,7 @@ int CmdReadTrace(const char *Cmd)
 \r
                uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
 \r
-               GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560);  //3560 -- should be offset..\r
+               GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0);  //3560 -- should be offset..\r
                WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
 \r
                for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
@@ -250,32 +248,31 @@ int CmdInfo(const char *Cmd){
                return 0;\r
        }\r
 \r
-       if ( strlen(Cmd)==0){\r
+       if ( strlen(Cmd) == 0 ){\r
                CmdReadBlk("0");\r
        }       \r
 \r
        uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
-       uint8_t * bitstream = bits;\r
-       \r
-       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);\r
+\r
+       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);\r
        \r
        uint8_t si = 5;\r
-       uint32_t bl0      = PackBits(si, 32, bitstream);\r
+       uint32_t bl0      = PackBits(si, 32, bits);\r
        \r
-       uint32_t safer    = PackBits(si, 4, bitstream); si += 4;        \r
-       uint32_t resv     = PackBits(si, 7, bitstream); si += 7;\r
-       uint32_t dbr      = PackBits(si, 3, bitstream); si += 3;\r
-       uint32_t extend   = PackBits(si, 1, bitstream); si += 1;\r
-       uint32_t datamodulation   = PackBits(si, 5, bitstream); si += 5;\r
-       uint32_t pskcf    = PackBits(si, 2, bitstream); si += 2;\r
-       uint32_t aor      = PackBits(si, 1, bitstream); si += 1;        \r
-       uint32_t otp      = PackBits(si, 1, bitstream); si += 1;        \r
-       uint32_t maxblk   = PackBits(si, 3, bitstream); si += 3;\r
-       uint32_t pwd      = PackBits(si, 1, bitstream); si += 1;        \r
-       uint32_t sst      = PackBits(si, 1, bitstream); si += 1;        \r
-       uint32_t fw       = PackBits(si, 1, bitstream); si += 1;\r
-       uint32_t inv      = PackBits(si, 1, bitstream); si += 1;        \r
-       uint32_t por      = PackBits(si, 1, bitstream); si += 1;\r
+       uint32_t safer    = PackBits(si, 4, bits); si += 4;     \r
+       uint32_t resv     = PackBits(si, 7, bits); si += 7;\r
+       uint32_t dbr      = PackBits(si, 3, bits); si += 3;\r
+       uint32_t extend   = PackBits(si, 1, bits); si += 1;\r
+       uint32_t datamodulation   = PackBits(si, 5, bits); si += 5;\r
+       uint32_t pskcf    = PackBits(si, 2, bits); si += 2;\r
+       uint32_t aor      = PackBits(si, 1, bits); si += 1;     \r
+       uint32_t otp      = PackBits(si, 1, bits); si += 1;     \r
+       uint32_t maxblk   = PackBits(si, 3, bits); si += 3;\r
+       uint32_t pwd      = PackBits(si, 1, bits); si += 1;     \r
+       uint32_t sst      = PackBits(si, 1, bits); si += 1;     \r
+       uint32_t fw       = PackBits(si, 1, bits); si += 1;\r
+       uint32_t inv      = PackBits(si, 1, bits); si += 1;     \r
+       uint32_t por      = PackBits(si, 1, bits); si += 1;\r
                \r
        PrintAndLog("");\r
        PrintAndLog("-- T55xx Configuration --------------------------------------");\r
@@ -296,7 +293,7 @@ int CmdInfo(const char *Cmd){
        PrintAndLog(" POR-Delay                 : %s", (por) ? "Yes":"No");\r
        PrintAndLog("-------------------------------------------------------------");\r
        PrintAndLog(" Raw Data - Page 0");\r
-       PrintAndLog("     Block 0  : 0x%08X  %s", bl0, sprint_bin(bitstream+5,32) );\r
+       PrintAndLog("     Block 0  : 0x%08X  %s", bl0, sprint_bin(bits+5,32) );\r
        PrintAndLog("-------------------------------------------------------------");\r
        \r
        return 0;\r
@@ -321,7 +318,7 @@ int CmdDump(const char *Cmd){
                        return 0;\r
                }\r
        }\r
-\r
+       \r
        for ( int i = 0; i <8; ++i){\r
                memset(s,0,sizeof(s));\r
                if ( hasPwd ) {\r
@@ -352,13 +349,16 @@ int ManchesterDemod(int blockNum){
        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, bitstream, LF_BITSSTREAM_LEN);       \r
-    blockData = PackBits(offset, sizebyte, bitstream);\r
+       //manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);     \r
+       manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);    \r
+    //blockData = PackBits(offset, sizebyte, bitstream);\r
+       blockData = PackBits(offset, sizebyte, bits);\r
 \r
        if ( blockNum < 0)\r
                PrintAndLog(" Decoded     : 0x%08X  %s", blockData, sprint_bin(bitstream+offset,sizebyte) );\r
@@ -468,6 +468,9 @@ uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
        \r
        int i = start;\r
        int j = len-1;\r
+       if (len > 32) {\r
+               return 0;\r
+       }\r
        uint32_t tmp = 0;\r
        for (; j >= 0; --j, ++i){\r
                tmp     |= bits[i] << j;\r