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ADD: started with a NEDAP demod, read, clone and sim functionality.

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The encrypted part is not solveabled today.
This commit is contained in:
iceman1001
2016-05-02 13:42:06 +02:00
parent b070f4e495
commit 56bbb25a41
7 changed files with 293 additions and 0 deletions
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12
common/lfdemod.c
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@@ -764,6 +764,18 @@ int PyramiddemodFSK(uint8_t *dest, size_t *size)
return (int)startIdx;
}
// find presco preamble 0x10D in already demoded data
int NedapDemod(uint8_t *dest, size_t *size) {
//make sure buffer has data
if (*size < 128) return -3;
size_t startIdx = 0;
uint8_t preamble[] = {1,1,1,1,1,1,1,1,1,0};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
if (errChk == 0) return -4; //preamble not found
//return start position
return (int) startIdx;
}
// by marshmellow
// to detect a wave that has heavily clipped (clean) samples
uint8_t DetectCleanAskWave(uint8_t dest[], size_t size, uint8_t high, uint8_t low)

1
common/lfdemod.h
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@@ -55,4 +55,5 @@ int ParadoxdemodFSK(uint8_t *dest, size_t *size, uint32_t *hi2, uint32_t *hi, ui
int PyramiddemodFSK(uint8_t *dest, size_t *size);
int VikingDemod_AM(uint8_t *dest, size_t *size);
int PrescoDemod(uint8_t *dest, size_t *size);
int NedapDemod(uint8_t *dest, size_t *size);
#endif