mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 21:13:16 +00:00
269 lines
No EOL
8.9 KiB
C
269 lines
No EOL
8.9 KiB
C
#include <furi.h>
|
|
#include <toolbox/protocols/protocol.h>
|
|
#include <lfrfid/tools/bit_lib.h>
|
|
#include "lfrfid_protocols.h"
|
|
|
|
// Example: 4944544B 351FBE4B
|
|
// 01001001 01000100 01010100 01001011 00110101 00011111 10111110 01001011
|
|
// 4 9 4 4 5 4 4 B 3 5 1 F B E 4 B
|
|
// 0100 1001 0100 0100 0101 0100 0100 1011 0011 0101 0001 1111 1011 1110 0100 1011
|
|
|
|
#define IDTECK_PREAMBLE_BIT_SIZE (32)
|
|
#define IDTECK_PREAMBLE_DATA_SIZE (8)
|
|
|
|
#define IDTECK_ENCODED_BIT_SIZE (64)
|
|
#define IDTECK_ENCODED_DATA_SIZE (((IDTECK_ENCODED_BIT_SIZE) / 8) + IDTECK_PREAMBLE_DATA_SIZE)
|
|
#define IDTECK_ENCODED_DATA_LAST ((IDTECK_ENCODED_BIT_SIZE) / 8)
|
|
|
|
#define IDTECK_DECODED_BIT_SIZE (64)
|
|
#define IDTECK_DECODED_DATA_SIZE (8)
|
|
|
|
#define IDTECK_US_PER_BIT (255)
|
|
#define IDTECK_ENCODER_PULSES_PER_BIT (16)
|
|
|
|
typedef struct {
|
|
uint8_t data_index;
|
|
uint8_t bit_clock_index;
|
|
bool last_bit;
|
|
bool current_polarity;
|
|
bool pulse_phase;
|
|
} ProtocolIdteckEncoder;
|
|
|
|
typedef struct {
|
|
uint8_t encoded_data[IDTECK_ENCODED_DATA_SIZE];
|
|
uint8_t negative_encoded_data[IDTECK_ENCODED_DATA_SIZE];
|
|
uint8_t corrupted_encoded_data[IDTECK_ENCODED_DATA_SIZE];
|
|
uint8_t corrupted_negative_encoded_data[IDTECK_ENCODED_DATA_SIZE];
|
|
|
|
uint8_t data[IDTECK_DECODED_DATA_SIZE];
|
|
ProtocolIdteckEncoder encoder;
|
|
} ProtocolIdteck;
|
|
|
|
ProtocolIdteck* protocol_idteck_alloc(void) {
|
|
ProtocolIdteck* protocol = malloc(sizeof(ProtocolIdteck));
|
|
return protocol;
|
|
};
|
|
|
|
void protocol_idteck_free(ProtocolIdteck* protocol) {
|
|
free(protocol);
|
|
};
|
|
|
|
uint8_t* protocol_idteck_get_data(ProtocolIdteck* protocol) {
|
|
return protocol->data;
|
|
};
|
|
|
|
void protocol_idteck_decoder_start(ProtocolIdteck* protocol) {
|
|
memset(protocol->encoded_data, 0, IDTECK_ENCODED_DATA_SIZE);
|
|
memset(protocol->negative_encoded_data, 0, IDTECK_ENCODED_DATA_SIZE);
|
|
memset(protocol->corrupted_encoded_data, 0, IDTECK_ENCODED_DATA_SIZE);
|
|
memset(protocol->corrupted_negative_encoded_data, 0, IDTECK_ENCODED_DATA_SIZE);
|
|
};
|
|
|
|
static bool protocol_idteck_check_preamble(uint8_t* data, size_t bit_index) {
|
|
// Preamble 01001001 01000100 01010100 01001011
|
|
if(*(uint32_t*)&data[bit_index / 8] != 0b01001011010101000100010001001001) return false;
|
|
return true;
|
|
}
|
|
|
|
static bool protocol_idteck_can_be_decoded(uint8_t* data) {
|
|
if(!protocol_idteck_check_preamble(data, 0)) return false;
|
|
return true;
|
|
}
|
|
|
|
static bool protocol_idteck_decoder_feed_internal(bool polarity, uint32_t time, uint8_t* data) {
|
|
time += (IDTECK_US_PER_BIT / 2);
|
|
|
|
size_t bit_count = (time / IDTECK_US_PER_BIT);
|
|
bool result = false;
|
|
|
|
if(bit_count < IDTECK_ENCODED_BIT_SIZE) {
|
|
for(size_t i = 0; i < bit_count; i++) {
|
|
bit_lib_push_bit(data, IDTECK_ENCODED_DATA_SIZE, polarity);
|
|
if(protocol_idteck_can_be_decoded(data)) {
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void protocol_idteck_decoder_save(uint8_t* data_to, const uint8_t* data_from) {
|
|
bit_lib_copy_bits(data_to, 0, 64, data_from, 0);
|
|
}
|
|
|
|
bool protocol_idteck_decoder_feed(ProtocolIdteck* protocol, bool level, uint32_t duration) {
|
|
bool result = false;
|
|
|
|
if(duration > (IDTECK_US_PER_BIT / 2)) {
|
|
if(protocol_idteck_decoder_feed_internal(level, duration, protocol->encoded_data)) {
|
|
protocol_idteck_decoder_save(protocol->data, protocol->encoded_data);
|
|
FURI_LOG_D("Idteck", "Positive");
|
|
result = true;
|
|
return result;
|
|
}
|
|
|
|
if(protocol_idteck_decoder_feed_internal(
|
|
!level, duration, protocol->negative_encoded_data)) {
|
|
protocol_idteck_decoder_save(protocol->data, protocol->negative_encoded_data);
|
|
FURI_LOG_D("Idteck", "Negative");
|
|
result = true;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if(duration > (IDTECK_US_PER_BIT / 4)) {
|
|
// Try to decode wrong phase synced data
|
|
if(level) {
|
|
duration += 120;
|
|
} else {
|
|
if(duration > 120) {
|
|
duration -= 120;
|
|
}
|
|
}
|
|
|
|
if(protocol_idteck_decoder_feed_internal(
|
|
level, duration, protocol->corrupted_encoded_data)) {
|
|
protocol_idteck_decoder_save(protocol->data, protocol->corrupted_encoded_data);
|
|
FURI_LOG_D("Idteck", "Positive Corrupted");
|
|
|
|
result = true;
|
|
return result;
|
|
}
|
|
|
|
if(protocol_idteck_decoder_feed_internal(
|
|
!level, duration, protocol->corrupted_negative_encoded_data)) {
|
|
protocol_idteck_decoder_save(
|
|
protocol->data, protocol->corrupted_negative_encoded_data);
|
|
FURI_LOG_D("Idteck", "Negative Corrupted");
|
|
|
|
result = true;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
bool protocol_idteck_encoder_start(ProtocolIdteck* protocol) {
|
|
memset(protocol->encoded_data, 0, IDTECK_ENCODED_DATA_SIZE);
|
|
*(uint32_t*)&protocol->encoded_data[0] = 0b01001011010101000100010001001001;
|
|
bit_lib_copy_bits(protocol->encoded_data, 32, 32, protocol->data, 32);
|
|
|
|
protocol->encoder.last_bit =
|
|
bit_lib_get_bit(protocol->encoded_data, IDTECK_ENCODED_BIT_SIZE - 1);
|
|
protocol->encoder.data_index = 0;
|
|
protocol->encoder.current_polarity = true;
|
|
protocol->encoder.pulse_phase = true;
|
|
protocol->encoder.bit_clock_index = 0;
|
|
|
|
return true;
|
|
};
|
|
|
|
LevelDuration protocol_idteck_encoder_yield(ProtocolIdteck* protocol) {
|
|
LevelDuration level_duration;
|
|
ProtocolIdteckEncoder* encoder = &protocol->encoder;
|
|
|
|
if(encoder->pulse_phase) {
|
|
level_duration = level_duration_make(encoder->current_polarity, 1);
|
|
encoder->pulse_phase = false;
|
|
} else {
|
|
level_duration = level_duration_make(!encoder->current_polarity, 1);
|
|
encoder->pulse_phase = true;
|
|
|
|
encoder->bit_clock_index++;
|
|
if(encoder->bit_clock_index >= IDTECK_ENCODER_PULSES_PER_BIT) {
|
|
encoder->bit_clock_index = 0;
|
|
|
|
bool current_bit = bit_lib_get_bit(protocol->encoded_data, encoder->data_index);
|
|
|
|
if(current_bit != encoder->last_bit) {
|
|
encoder->current_polarity = !encoder->current_polarity;
|
|
}
|
|
|
|
encoder->last_bit = current_bit;
|
|
|
|
bit_lib_increment_index(encoder->data_index, IDTECK_ENCODED_BIT_SIZE);
|
|
}
|
|
}
|
|
|
|
return level_duration;
|
|
};
|
|
|
|
// factory code
|
|
static uint32_t get_fc(const uint8_t* data) {
|
|
uint32_t fc = 0;
|
|
fc = bit_lib_get_bits_32(data, 0, 32);
|
|
return fc;
|
|
}
|
|
|
|
// card number
|
|
static uint32_t get_card(const uint8_t* data) {
|
|
uint32_t cn = 0;
|
|
cn = bit_lib_get_bits_32(data, 32, 32);
|
|
return cn;
|
|
}
|
|
|
|
void protocol_idteck_render_data_internal(ProtocolIdteck* protocol, FuriString* result, bool brief) {
|
|
const uint32_t fc = get_fc(protocol->data);
|
|
const uint32_t card = get_card(protocol->data);
|
|
|
|
if(brief) {
|
|
furi_string_printf(result, "FC: %08lX\r\nCard: %08lX", fc, card);
|
|
} else {
|
|
furi_string_printf(
|
|
result,
|
|
"FC: %08lX\r\n"
|
|
"Card: %08lX\r\n",
|
|
fc,
|
|
card);
|
|
}
|
|
}
|
|
void protocol_idteck_render_data(ProtocolIdteck* protocol, FuriString* result) {
|
|
protocol_idteck_render_data_internal(protocol, result, false);
|
|
}
|
|
void protocol_idteck_render_brief_data(ProtocolIdteck* protocol, FuriString* result) {
|
|
protocol_idteck_render_data_internal(protocol, result, true);
|
|
}
|
|
|
|
bool protocol_idteck_write_data(ProtocolIdteck* protocol, void* data) {
|
|
LFRFIDWriteRequest* request = (LFRFIDWriteRequest*)data;
|
|
bool result = false;
|
|
|
|
protocol_idteck_encoder_start(protocol);
|
|
|
|
if(request->write_type == LFRFIDWriteTypeT5577) {
|
|
request->t5577.block[0] = LFRFID_T5577_BITRATE_RF_32 | LFRFID_T5577_MODULATION_PSK1 |
|
|
(2 << LFRFID_T5577_MAXBLOCK_SHIFT);
|
|
request->t5577.block[1] = bit_lib_get_bits_32(protocol->encoded_data, 0, 32);
|
|
request->t5577.block[2] = bit_lib_get_bits_32(protocol->encoded_data, 32, 32);
|
|
request->t5577.blocks_to_write = 3;
|
|
result = true;
|
|
}
|
|
return result;
|
|
};
|
|
|
|
const ProtocolBase protocol_idteck = {
|
|
.name = "Idteck",
|
|
.manufacturer = "IDTECK",
|
|
.data_size = IDTECK_DECODED_DATA_SIZE,
|
|
.features = LFRFIDFeaturePSK,
|
|
.validate_count = 6,
|
|
.alloc = (ProtocolAlloc)protocol_idteck_alloc,
|
|
.free = (ProtocolFree)protocol_idteck_free,
|
|
.get_data = (ProtocolGetData)protocol_idteck_get_data,
|
|
.decoder =
|
|
{
|
|
.start = (ProtocolDecoderStart)protocol_idteck_decoder_start,
|
|
.feed = (ProtocolDecoderFeed)protocol_idteck_decoder_feed,
|
|
},
|
|
.encoder =
|
|
{
|
|
.start = (ProtocolEncoderStart)protocol_idteck_encoder_start,
|
|
.yield = (ProtocolEncoderYield)protocol_idteck_encoder_yield,
|
|
},
|
|
.render_data = (ProtocolRenderData)protocol_idteck_render_data,
|
|
.render_brief_data = (ProtocolRenderData)protocol_idteck_render_brief_data,
|
|
.write_data = (ProtocolWriteData)protocol_idteck_write_data,
|
|
}; |