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[FL-2754, FL-3945] EM4305 support (#4069)

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* Initial EM4305 write support
* Support for writing EM4100 data to EM4305 blank tags
* F18 API version bump
* Satisfy pvs
* Lib: cleanup em4305 code
* Mask size fix
* Electra
* Fix leftovers from a previous implementation
* Viking
* Gallagher
* LFRFID: cleanup em4305

Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Astra
2025-02-13 03:04:24 +09:00
committed by GitHub
parent 8059959624
commit 00f287e297
10 changed files with 360 additions and 47 deletions
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26
lib/lfrfid/protocols/protocol_em4100.c
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@@ -69,6 +69,19 @@ uint32_t protocol_em4100_get_t5577_bitrate(ProtocolEM4100* proto) {
}
}
uint32_t protocol_em4100_get_em4305_bitrate(ProtocolEM4100* proto) {
switch(proto->clock_per_bit) {
case 64:
return EM4x05_SET_BITRATE(64);
case 32:
return EM4x05_SET_BITRATE(32);
case 16:
return EM4x05_SET_BITRATE(16);
default:
return EM4x05_SET_BITRATE(64);
}
}
uint16_t protocol_em4100_get_short_time_low(ProtocolEM4100* proto) {
return EM_READ_SHORT_TIME_BASE / protocol_em4100_get_time_divisor(proto) -
EM_READ_JITTER_TIME_BASE / protocol_em4100_get_time_divisor(proto);
@@ -339,6 +352,19 @@ bool protocol_em4100_write_data(ProtocolEM4100* protocol, void* data) {
request->t5577.block[2] = protocol->encoded_data;
request->t5577.blocks_to_write = 3;
result = true;
} else if(request->write_type == LFRFIDWriteTypeEM4305) {
request->em4305.word[4] =
(EM4x05_MODULATION_MANCHESTER | protocol_em4100_get_em4305_bitrate(protocol) |
(6 << EM4x05_MAXBLOCK_SHIFT));
uint64_t encoded_data_reversed = 0;
for(uint8_t i = 0; i < 64; i++) {
encoded_data_reversed = (encoded_data_reversed << 1) |
((protocol->encoded_data >> i) & 1);
}
request->em4305.word[5] = encoded_data_reversed;
request->em4305.word[6] = encoded_data_reversed >> 32;
request->em4305.mask = 0x70;
result = true;
}
return result;
}