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[FL-2812] RFID: write fix for some protocols #1828

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Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Nikolay Minaylov
2022-10-06 14:36:21 +03:00
committed by GitHub
parent f16cdd1477
commit a69e150e2f
4 changed files with 20 additions and 0 deletions
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9
lib/lfrfid/protocols/protocol_fdx_a.c
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@@ -79,6 +79,14 @@ static bool protocol_fdx_a_decode(const uint8_t* from, uint8_t* to) {
return true;
}
static void protocol_fdx_a_fix_parity(ProtocolFDXA* protocol) {
for(size_t i = 0; i < FDXA_DECODED_DATA_SIZE; i++) {
if(bit_lib_test_parity_32(protocol->data[i], BitLibParityOdd)) {
protocol->data[i] ^= (1 << 7);
}
}
}
static bool protocol_fdx_a_can_be_decoded(const uint8_t* data) {
// check preamble
if(data[0] != FDXA_PREAMBLE_0 || data[1] != FDXA_PREAMBLE_1 || data[12] != FDXA_PREAMBLE_0 ||
@@ -179,6 +187,7 @@ bool protocol_fdx_a_write_data(ProtocolFDXA* protocol, void* data) {
bool result = false;
// Correct protocol data by redecoding
protocol_fdx_a_fix_parity(protocol);
protocol_fdx_a_encoder_start(protocol);
protocol_fdx_a_decode(protocol->encoded_data, protocol->data);