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Add @iceman1001 s presco and pyramid functions +

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plus comment some includes.
fix indala error checking bugs
cmddata.h previously relied on several headers being included prior to
cmddata.h, now self contained.
This commit is contained in:
marshmellow42 2016-03-05 23:45:28 -05:00
commit 6923d3f14f
11 changed files with 538 additions and 48 deletions
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13
common/lfdemod.c
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@ -684,6 +684,19 @@ int VikingDemod_AM(uint8_t *dest, size_t *size) {
return (int) startIdx;
}
// find presco preamble 0x10D in already demoded data
int PrescoDemod(uint8_t *dest, size_t *size) {
//make sure buffer has data
if (*size < 64*2) return -2;
size_t startIdx = 0;
uint8_t preamble[] = {1,0,0,0,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
if (errChk == 0) return -4; //preamble not found
//return start position
return (int) startIdx;
}
// Ask/Biphase Demod then try to locate an ISO 11784/85 ID
// BitStream must contain previously askrawdemod and biphasedemoded data
int FDXBdemodBI(uint8_t *dest, size_t *size)