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fix bug in st detect +

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adjust nrz t55xx detection to reduce false positives on weak antennas
adjust t55xx read wait to get past initial startup wave.
This commit is contained in:
marshmellow42 2017-04-04 17:22:21 -04:00
commit bf85d22f96
4 changed files with 9 additions and 5 deletions
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6
armsrc/lfops.c
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@ -1222,7 +1222,7 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
bool PwdMode = arg0 & 0x1;
uint8_t Page = (arg0 & 0x2) >> 1;
uint32_t i = 0;
bool RegReadMode = (Block == 0xFF);
bool RegReadMode = (Block == 0xFF);//regular read mode
//clear buffer now so it does not interfere with timing later
BigBuf_Clear_ext(false);
@ -1257,7 +1257,9 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
T55xxWriteBit(Block & i);
// Turn field on to read the response
TurnReadLFOn(135*8);
// 137*8 seems to get to the start of data pretty well...
// but we want to go past the start and let the repeating data settle in...
TurnReadLFOn(210*8);
// Acquisition
// Now do the acquisition