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Fix viking demod bug - clean my indala demod code

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NOTE lf indalademod is still available as it uses a different technique
to demodulating, which sometimes works better (and sometimes worse).
This commit is contained in:
marshmellow42 2015-11-10 11:59:41 -05:00
commit 14331320c4
2 changed files with 32 additions and 104 deletions
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64
client/cmddata.c
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@ -649,7 +649,7 @@ int CmdVikingDemod(const char *Cmd)
//call lfdemod.c demod for gProxII
int ans = VikingDemod_AM(DemodBuffer, &size);
if (ans < 0) {
if (g_debugMode) PrintAndLog("Error Viking_Demod");
if (g_debugMode) PrintAndLog("Error Viking_Demod %d", ans);
return 0;
}
//got a good demod
@ -1615,61 +1615,33 @@ int CmdIndalaDecode(const char *Cmd)
return 0;
}
uint8_t invert=0;
ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert);
if (ans < 1) {
size_t size = DemodBufferLen;
size_t startIdx = indala26decode(DemodBuffer, &size, &invert);
if (startIdx < 1) {
if (g_debugMode==1)
PrintAndLog("Error2: %d",ans);
return -1;
}
char showbits[251]={0x00};
setDemodBuf(DemodBuffer, size, startIdx);
if (invert)
if (g_debugMode==1)
PrintAndLog("Had to invert bits");
PrintAndLog("BitLen: %d",DemodBufferLen);
//convert UID to HEX
uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
int idx;
uid1=0;
uid2=0;
PrintAndLog("BitLen: %d",DemodBufferLen);
if (DemodBufferLen==64){
for( idx=0; idx<64; idx++) {
uid1=(uid1<<1)|(uid2>>31);
if (DemodBuffer[idx] == 0) {
uid2=(uid2<<1)|0;
showbits[idx]='0';
} else {
uid2=(uid2<<1)|1;
showbits[idx]='1';
}
}
showbits[idx]='\0';
PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2);
}
else {
uid3=0;
uid4=0;
uid5=0;
uid6=0;
uid7=0;
for( idx=0; idx<DemodBufferLen; idx++) {
uid1=(uid1<<1)|(uid2>>31);
uid2=(uid2<<1)|(uid3>>31);
uid3=(uid3<<1)|(uid4>>31);
uid4=(uid4<<1)|(uid5>>31);
uid5=(uid5<<1)|(uid6>>31);
uid6=(uid6<<1)|(uid7>>31);
if (DemodBuffer[idx] == 0) {
uid7=(uid7<<1)|0;
showbits[idx]='0';
}
else {
uid7=(uid7<<1)|1;
showbits[idx]='1';
}
}
showbits[idx]='\0';
PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
uid1=bytebits_to_byte(DemodBuffer,32);
uid2=bytebits_to_byte(DemodBuffer+32,32);
if (DemodBufferLen==64) {
PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin(DemodBuffer,DemodBufferLen), uid1, uid2);
} else {
uid3=bytebits_to_byte(DemodBuffer+64,32);
uid4=bytebits_to_byte(DemodBuffer+96,32);
uid5=bytebits_to_byte(DemodBuffer+128,32);
uid6=bytebits_to_byte(DemodBuffer+160,32);
uid7=bytebits_to_byte(DemodBuffer+192,32);
PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
sprint_bin(DemodBuffer,DemodBufferLen), uid1, uid2, uid3, uid4, uid5, uid6, uid7);
}
if (g_debugMode){
PrintAndLog("DEBUG: printing demodbuffer:");