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tk-17 works

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merlokk 2022-07-04 00:18:57 +03:00
commit 4efb9f2275
1 changed files with 39 additions and 5 deletions
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44
armsrc/hfops.c
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@ -154,12 +154,46 @@ static uint32_t HfEncodeTkm(uint8_t *uid, uint8_t modulation, uint8_t *data) {
} else { } else {
// TK-17 // TK-17
// 74ns 1 field cycle, // 74ns 1 field cycle,
// `00` - // carrier frequency is fc/64 (212kHz), 4.7 mks
// `01` - // 0 --- 8 --- 12-15 --- 18-19 --- 26-28 --- 32
// `10` - // `00` -- 1-25-1-5
// `11` - // `01` -- 1-12-1-18
// `10` -- 1-17-1-13
// `11` -- 1-7-1-23
EncodeInit();
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j += 2) {
uint8_t twobit = ((uid[i] >> j) & 0x03);
if (twobit == 0x00) {
// `00`
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 25);
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 5);
} else if (twobit == 0x01) {
// `01`
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 12);
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 18);
} else if (twobit == 0x02) {
// `10`
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 17);
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 13);
} else { // twobit == 0x03
// `11`
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 7);
EncodeAddBit(data, 1, 1);
EncodeAddBit(data, 0, 23);
}
}
}
EncodeAddBit(data, 1, 1);
len = EncodeFinish(data);
} }
return len; return len;