ADD: @marshmellow42 's help text changes to the reveng

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 00caefd98c18b831ad991f9ed84b45dea86fe6cf..ebab14396f28f456ef128dafeb3b0ffa06b93552 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -41,7 +41,7 @@ void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx)
                size = MAX_DEMOD_BUF_LEN;
 
        size_t i = 0;
-for (; i < size; i++){
+       for (; i < size; i++){
                DemodBuffer[i]=buff[startIdx++];
        }
        DemodBufferLen=size;
@@ -344,8 +344,8 @@ int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType)
        setDemodBuf(BitStream,BitLen,0);
        if (verbose || g_debugMode){
                if (errCnt>0) PrintAndLog("# Errors during Demoding (shown as 7 in bit stream): %d",errCnt);
-               if (askType) PrintAndLog("ASK/Manchester decoded bitstream:");
-               else PrintAndLog("ASK/Raw decoded bitstream:");
+               if (askType) PrintAndLog("ASK/Manchester - Clock: %d - Decoded bitstream:",clk);
+               else PrintAndLog("ASK/Raw - Clock: %d - Decoded bitstream:",clk);
                // Now output the bitstream to the scrollback by line of 16 bits
                printDemodBuff();
                
@@ -392,7 +392,7 @@ int Cmdmandecoderaw(const char *Cmd)
        int errCnt=0;
        size_t size=0;
        int invert=0;
-       size_t maxErr = 20;
+       int maxErr = 20;
        char cmdp = param_getchar(Cmd, 0);
        if (strlen(Cmd) > 5 || cmdp == 'h' || cmdp == 'H') {
                PrintAndLog("Usage:  data manrawdecode [invert] [maxErr]");
@@ -498,22 +498,19 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
 int ASKbiphaseDemod(const char *Cmd, bool verbose)
 {
        //ask raw demod GraphBuffer first
-       int offset=0, clk=0, invert=0, maxErr=0, ans=0;
-       ans = sscanf(Cmd, "%i %i 0 %i", &offset, &clk, &maxErr);
-       if (ans>0)
-               ans = ASKDemod(Cmd+2, FALSE, FALSE, 0);
-       else
-               ans = ASKDemod(Cmd, FALSE, FALSE, 0);
-       if (!ans) {
-               if (g_debugMode || verbose) PrintAndLog("Error AskDemod: %d", ans);
-               return 0;
-       }
-
-       //attempt to Biphase decode DemodBuffer
-       size_t size = DemodBufferLen;
+       int offset=0, clk=0, invert=0, maxErr=0;
+       sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr);
+       
        uint8_t BitStream[MAX_DEMOD_BUF_LEN];
-       memcpy(BitStream, DemodBuffer, DemodBufferLen); 
-       int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
+       size_t size = getFromGraphBuf(BitStream);         
+       int errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);  
+       if ( errCnt < 0 || errCnt > maxErr ) {   
+               if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);  
+                       return 0;  
+       } 
+
+       //attempt to Biphase decode BitStream
+       errCnt = BiphaseRawDecode(BitStream, &size, offset, invert);
        if (errCnt < 0){
                if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
                return 0;
@@ -525,7 +522,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose)
        //success set DemodBuffer and return
        setDemodBuf(BitStream, size, 0);
        if (g_debugMode || verbose){
-               PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
+               PrintAndLog("Biphase Decoded using offset: %d - clock: %d - # errors:%d - data:",offset,clk,errCnt);
                printDemodBuff();
        }
        return 1;
@@ -1464,6 +1461,17 @@ int CmdFSKdemodPyramid(const char *Cmd)
 // NATIONAL CODE, ICAR database
 // COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf
 // FLAG (animal/non-animal)
+/*
+38 IDbits   
+10 country code 
+1 extra app bit
+14 reserved bits
+1 animal bit
+16 ccitt CRC chksum over 64bit ID CODE.
+24 appli bits.
+
+-- sample: 985121004515220  [ 37FF65B88EF94 ]
+*/
 int CmdFDXBdemodBI(const char *Cmd){
 
        int invert = 1;
@@ -1475,7 +1483,7 @@ int CmdFDXBdemodBI(const char *Cmd){
        
        errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0);
        if ( errCnt < 0 || errCnt > maxErr ) { 
-               if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: 32", errCnt);
+               if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk);
                return 0;
        }
 
@@ -1484,16 +1492,16 @@ int CmdFDXBdemodBI(const char *Cmd){
                if (g_debugMode) PrintAndLog("Error BiphaseRawDecode: %d", errCnt);
                return 0;
        } 
-
+       
        int preambleIndex = FDXBdemodBI(BitStream, &size);
        if (preambleIndex < 0){
                if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
                return 0;
        }
-
+       
        setDemodBuf(BitStream, 128, preambleIndex);
-       //printDemodBuff();
 
+       // remove but don't verify parity. (pType = 2)
        size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117);
        if ( size <= 103 ) {
                if (g_debugMode) PrintAndLog("Error removeParity:: %d", size);
@@ -1502,12 +1510,10 @@ int CmdFDXBdemodBI(const char *Cmd){
        if (g_debugMode) {
                char *bin = sprint_bin_break(BitStream,size,16);
                PrintAndLog("DEBUG BinStream:\n%s",bin);
-               PrintAndLog("0x%s", sprint_hex(BitStream,16));
        }
        PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:");
        if (g_debugMode) PrintAndLog("Start marker %d;   Size %d", preambleIndex, size);
 
-       //return 1;
        //got a good demod
        uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32);
        uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10);
@@ -1517,17 +1523,16 @@ int CmdFDXBdemodBI(const char *Cmd){
        uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16);
        uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24);
 
-       uint64_t rawid = ((uint64_t)bytebits_to_byteLSBF(BitStream,32)<<32) | bytebits_to_byteLSBF(BitStream+32,32);
+       uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32);
        uint8_t raw[8];
        num_to_bytes(rawid, 8, raw);
-       uint8_t *ID = SwapEndian64(raw, 8, 4);
 
-       if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(ID,8));
+       if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8));
 
-       uint16_t calcCrc = crc16_ccitt_kermit(ID, 8);
-       PrintAndLog("Animal ID:     %u-%012llu", countryCode, NationalCode);
+       uint16_t calcCrc = crc16_ccitt_kermit(raw, 8);
+       PrintAndLog("Animal ID:     %04u-%012llu", countryCode, NationalCode);
        PrintAndLog("National Code: %012llu", NationalCode);
-       PrintAndLog("CountryCode:   %u", countryCode);
+       PrintAndLog("CountryCode:   %04u", countryCode);
        PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False");
        PrintAndLog("reserved Code: %u", reservedCode);
        PrintAndLog("Animal Tag:    %s", animalBit ? "True" : "False");
@@ -1952,7 +1957,7 @@ typedef struct {
        uint8_t * buffer;
        uint32_t numbits;
        uint32_t position;
-}BitstreamOut;
+} BitstreamOut;
 
 bool _headBit( BitstreamOut *stream)
 {