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Add Viking demod,

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fix compiler warning for int vs uint8_t for em410x sim clock variable
This commit is contained in:
marshmellow42 2015-11-09 23:09:26 -05:00
commit 415274a7c3
7 changed files with 58 additions and 3 deletions
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17
common/lfdemod.c
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@ -597,6 +597,23 @@ int IOdemodFSK(uint8_t *dest, size_t size)
return (int) startIdx;
}
return -5;
}
// by marshmellow
// find viking preamble 0xF200 in already demoded data
int VikingDemod_AM(uint8_t *dest, size_t *size) {
if (justNoise(dest, *size)) return -1;
//make sure buffer has data
if (*size < 64*2) return -2;
size_t startIdx = 0;
uint8_t preamble[] = {1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
if (errChk == 0) return -4; //preamble not found
if (*size != 64) return -5;
//return start position
return (int) startIdx;
}
// by marshmellow