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RFID: Add additional procotols supported by EM4305 chipset (#434)

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* Add additional procotols supported by EM4305 chipset

* Add support for GProxII (inverted EM4305 BIPHASE)

* Update changelog

---------

Co-authored-by: WillyJL <me@willyjl.dev>
This commit is contained in:
Derek Jamison
2025-07-19 19:44:14 -06:00
committed by GitHub
parent ef17b42a5e
commit ec922aa5af
6 changed files with 73 additions and 2 deletions
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29
lib/lfrfid/protocols/protocol_securakey.c
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@@ -328,6 +328,20 @@ bool protocol_securakey_write_data(ProtocolSecurakey* protocol, void* data) {
request->t5577.block[2] = bit_lib_get_bits_32(protocol->RKKTH_encoded_data, 32, 32);
request->t5577.blocks_to_write = 3;
result = true;
} else if(request->write_type == LFRFIDWriteTypeEM4305) {
request->em4305.word[4] =
(EM4x05_MODULATION_MANCHESTER | EM4x05_SET_BITRATE(40) | // requires 330pF card
(6 << EM4x05_MAXBLOCK_SHIFT));
uint32_t encoded_data_reversed[2] = {0};
for(uint8_t i = 0; i < 64; i++) {
encoded_data_reversed[i / 32] =
(encoded_data_reversed[i / 32] << 1) |
(bit_lib_get_bit(protocol->RKKTH_encoded_data, (63 - i)) & 1);
}
request->em4305.word[5] = encoded_data_reversed[1];
request->em4305.word[6] = encoded_data_reversed[0];
request->em4305.mask = 0x70;
result = true;
}
} else {
if(request->write_type == LFRFIDWriteTypeT5577) {
@@ -340,6 +354,21 @@ bool protocol_securakey_write_data(ProtocolSecurakey* protocol, void* data) {
request->t5577.block[3] = bit_lib_get_bits_32(protocol->RKKT_encoded_data, 64, 32);
request->t5577.blocks_to_write = 4;
result = true;
} else if(request->write_type == LFRFIDWriteTypeEM4305) {
request->em4305.word[4] =
(EM4x05_MODULATION_MANCHESTER | EM4x05_SET_BITRATE(40) | // requires 330pF card
(7 << EM4x05_MAXBLOCK_SHIFT));
uint32_t encoded_data_reversed[3] = {0};
for(uint8_t i = 0; i < 96; i++) {
encoded_data_reversed[i / 32] =
(encoded_data_reversed[i / 32] << 1) |
(bit_lib_get_bit(protocol->RKKT_encoded_data, (95 - i)) & 1);
}
request->em4305.word[5] = encoded_data_reversed[2];
request->em4305.word[6] = encoded_data_reversed[1];
request->em4305.word[7] = encoded_data_reversed[0];
request->em4305.mask = 0xF0;
result = true;
}
}
return result;