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lf demod bug fix & refactor

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fixed bug in lfops.c in hid fskdemod
refactored data fskXXXDemods for specific tags to use more common code.
This commit is contained in:
marshmellow42 2015-01-27 14:51:12 -05:00
commit a1d17964a2
4 changed files with 238 additions and 249 deletions
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9
armsrc/lfops.c
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@ -633,9 +633,9 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
{
uint8_t *dest = (uint8_t *)BigBuf;
size_t size=sizeof(BigBuf), idx=0; //, found=0;
size_t size=sizeof(BigBuf);
uint32_t hi2=0, hi=0, lo=0;
int idx=0;
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
@ -646,10 +646,11 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
DoAcquisition125k_internal(-1,true);
// FSK demodulator
idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
WDT_HIT();
size = sizeof(BigBuf);
idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
if (idx>0 && lo>0){
// final loop, go over previously decoded manchester data and decode into usable tag ID
// 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0