mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-27 23:10:22 +00:00
4000f0cac5
* Furi strings: printf attribute * Logs: printf attribute * Plugins: adapt * Plugins: accommodate * Unit tests: accommodate Co-authored-by: あく <alleteam@gmail.com>
350 lines
12 KiB
C
350 lines
12 KiB
C
#include "came_atomo.h"
|
||
#include <lib/toolbox/manchester_decoder.h>
|
||
#include "../blocks/const.h"
|
||
#include "../blocks/decoder.h"
|
||
#include "../blocks/encoder.h"
|
||
#include "../blocks/generic.h"
|
||
#include "../blocks/math.h"
|
||
|
||
#define TAG "SubGhzProtocoCameAtomo"
|
||
|
||
#define SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE 0xFFFFFFFFFFFFFFFF
|
||
|
||
static const SubGhzBlockConst subghz_protocol_came_atomo_const = {
|
||
.te_short = 600,
|
||
.te_long = 1200,
|
||
.te_delta = 250,
|
||
.min_count_bit_for_found = 62,
|
||
};
|
||
|
||
struct SubGhzProtocolDecoderCameAtomo {
|
||
SubGhzProtocolDecoderBase base;
|
||
|
||
SubGhzBlockDecoder decoder;
|
||
SubGhzBlockGeneric generic;
|
||
|
||
ManchesterState manchester_saved_state;
|
||
const char* came_atomo_rainbow_table_file_name;
|
||
};
|
||
|
||
struct SubGhzProtocolEncoderCameAtomo {
|
||
SubGhzProtocolEncoderBase base;
|
||
|
||
SubGhzProtocolBlockEncoder encoder;
|
||
SubGhzBlockGeneric generic;
|
||
};
|
||
|
||
typedef enum {
|
||
CameAtomoDecoderStepReset = 0,
|
||
CameAtomoDecoderStepDecoderData,
|
||
} CameAtomoDecoderStep;
|
||
|
||
const SubGhzProtocolDecoder subghz_protocol_came_atomo_decoder = {
|
||
.alloc = subghz_protocol_decoder_came_atomo_alloc,
|
||
.free = subghz_protocol_decoder_came_atomo_free,
|
||
|
||
.feed = subghz_protocol_decoder_came_atomo_feed,
|
||
.reset = subghz_protocol_decoder_came_atomo_reset,
|
||
|
||
.get_hash_data = subghz_protocol_decoder_came_atomo_get_hash_data,
|
||
.serialize = subghz_protocol_decoder_came_atomo_serialize,
|
||
.deserialize = subghz_protocol_decoder_came_atomo_deserialize,
|
||
.get_string = subghz_protocol_decoder_came_atomo_get_string,
|
||
};
|
||
|
||
const SubGhzProtocolEncoder subghz_protocol_came_atomo_encoder = {
|
||
.alloc = NULL,
|
||
.free = NULL,
|
||
|
||
.deserialize = NULL,
|
||
.stop = NULL,
|
||
.yield = NULL,
|
||
};
|
||
|
||
const SubGhzProtocol subghz_protocol_came_atomo = {
|
||
.name = SUBGHZ_PROTOCOL_CAME_ATOMO_NAME,
|
||
.type = SubGhzProtocolTypeDynamic,
|
||
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
|
||
|
||
.decoder = &subghz_protocol_came_atomo_decoder,
|
||
.encoder = &subghz_protocol_came_atomo_encoder,
|
||
};
|
||
|
||
void* subghz_protocol_decoder_came_atomo_alloc(SubGhzEnvironment* environment) {
|
||
SubGhzProtocolDecoderCameAtomo* instance = malloc(sizeof(SubGhzProtocolDecoderCameAtomo));
|
||
instance->base.protocol = &subghz_protocol_came_atomo;
|
||
instance->generic.protocol_name = instance->base.protocol->name;
|
||
instance->came_atomo_rainbow_table_file_name =
|
||
subghz_environment_get_came_atomo_rainbow_table_file_name(environment);
|
||
if(instance->came_atomo_rainbow_table_file_name) {
|
||
FURI_LOG_I(
|
||
TAG, "Loading rainbow table from %s", instance->came_atomo_rainbow_table_file_name);
|
||
}
|
||
return instance;
|
||
}
|
||
|
||
void subghz_protocol_decoder_came_atomo_free(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
instance->came_atomo_rainbow_table_file_name = NULL;
|
||
free(instance);
|
||
}
|
||
|
||
void subghz_protocol_decoder_came_atomo_reset(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
instance->decoder.parser_step = CameAtomoDecoderStepReset;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
|
||
void subghz_protocol_decoder_came_atomo_feed(void* context, bool level, uint32_t duration) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
|
||
ManchesterEvent event = ManchesterEventReset;
|
||
switch(instance->decoder.parser_step) {
|
||
case CameAtomoDecoderStepReset:
|
||
if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long * 60) <
|
||
subghz_protocol_came_atomo_const.te_delta * 40)) {
|
||
//Found header CAME
|
||
instance->decoder.parser_step = CameAtomoDecoderStepDecoderData;
|
||
instance->decoder.decode_data = 0;
|
||
instance->decoder.decode_count_bit = 1;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventShortLow,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
break;
|
||
case CameAtomoDecoderStepDecoderData:
|
||
if(!level) {
|
||
if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
|
||
subghz_protocol_came_atomo_const.te_delta) {
|
||
event = ManchesterEventShortLow;
|
||
} else if(
|
||
DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
|
||
subghz_protocol_came_atomo_const.te_delta) {
|
||
event = ManchesterEventLongLow;
|
||
} else if(
|
||
duration >= ((uint32_t)subghz_protocol_came_atomo_const.te_long * 2 +
|
||
subghz_protocol_came_atomo_const.te_delta)) {
|
||
if(instance->decoder.decode_count_bit ==
|
||
subghz_protocol_came_atomo_const.min_count_bit_for_found) {
|
||
instance->generic.data = instance->decoder.decode_data;
|
||
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
|
||
if(instance->base.callback)
|
||
instance->base.callback(&instance->base, instance->base.context);
|
||
}
|
||
instance->decoder.decode_data = 0;
|
||
instance->decoder.decode_count_bit = 1;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventShortLow,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
} else {
|
||
instance->decoder.parser_step = CameAtomoDecoderStepReset;
|
||
}
|
||
} else {
|
||
if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
|
||
subghz_protocol_came_atomo_const.te_delta) {
|
||
event = ManchesterEventShortHigh;
|
||
} else if(
|
||
DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
|
||
subghz_protocol_came_atomo_const.te_delta) {
|
||
event = ManchesterEventLongHigh;
|
||
} else {
|
||
instance->decoder.parser_step = CameAtomoDecoderStepReset;
|
||
}
|
||
}
|
||
if(event != ManchesterEventReset) {
|
||
bool data;
|
||
bool data_ok = manchester_advance(
|
||
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
|
||
|
||
if(data_ok) {
|
||
instance->decoder.decode_data = (instance->decoder.decode_data << 1) | !data;
|
||
instance->decoder.decode_count_bit++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Read bytes from rainbow table
|
||
* @param file_name Full path to rainbow table the file
|
||
* @param number_atomo_magic_xor Сell number in the array
|
||
* @return atomo_magic_xor
|
||
*/
|
||
static uint64_t subghz_protocol_came_atomo_get_magic_xor_in_file(
|
||
const char* file_name,
|
||
uint8_t number_atomo_magic_xor) {
|
||
if(!strcmp(file_name, "")) return SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
|
||
|
||
uint8_t buffer[sizeof(uint64_t)] = {0};
|
||
uint32_t address = number_atomo_magic_xor * sizeof(uint64_t);
|
||
uint64_t atomo_magic_xor = 0;
|
||
|
||
if(subghz_keystore_raw_get_data(file_name, address, buffer, sizeof(uint64_t))) {
|
||
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
||
atomo_magic_xor = (atomo_magic_xor << 8) | buffer[i];
|
||
}
|
||
} else {
|
||
atomo_magic_xor = SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
|
||
}
|
||
return atomo_magic_xor;
|
||
}
|
||
|
||
/**
|
||
* Analysis of received data
|
||
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
||
* @param file_name Full path to rainbow table the file
|
||
*/
|
||
static void subghz_protocol_came_atomo_remote_controller(
|
||
SubGhzBlockGeneric* instance,
|
||
const char* file_name) {
|
||
/*
|
||
* 0x1fafef3ed0f7d9ef
|
||
* 0x185fcc1531ee86e7
|
||
* 0x184fa96912c567ff
|
||
* 0x187f8a42f3dc38f7
|
||
* 0x186f63915492a5cd
|
||
* 0x181f40bab58bfac5
|
||
* 0x180f25c696a01bdd
|
||
* 0x183f06ed77b944d5
|
||
* 0x182ef661d83d21a9
|
||
* 0x18ded54a39247ea1
|
||
* 0x18ceb0361a0f9fb9
|
||
* 0x18fe931dfb16c0b1
|
||
* 0x18ee7ace5c585d8b
|
||
* ........
|
||
* transmission consists of 99 parcels with increasing counter while holding down the button
|
||
* with each new press, the counter in the encrypted part increases
|
||
*
|
||
* 0x1FAFF13ED0F7D9EF
|
||
* 0x1FAFF11ED0F7D9EF
|
||
* 0x1FAFF10ED0F7D9EF
|
||
* 0x1FAFF0FED0F7D9EF
|
||
* 0x1FAFF0EED0F7D9EF
|
||
* 0x1FAFF0DED0F7D9EF
|
||
* 0x1FAFF0CED0F7D9EF
|
||
* 0x1FAFF0BED0F7D9EF
|
||
* 0x1FAFF0AED0F7D9EF
|
||
*
|
||
* where 0x1FAF - parcel counter, 0хF0A - button press counter,
|
||
* 0xED0F7D9E - serial number, 0хF - key
|
||
* 0x1FAF parcel counter - 1 in the parcel queue ^ 0x185F = 0x07F0
|
||
* 0x185f ^ 0x185F = 0x0000
|
||
* 0x184f ^ 0x185F = 0x0010
|
||
* 0x187f ^ 0x185F = 0x0020
|
||
* .....
|
||
* 0x182e ^ 0x185F = 0x0071
|
||
* 0x18de ^ 0x185F = 0x0081
|
||
* .....
|
||
* 0x1e43 ^ 0x185F = 0x061C
|
||
* where the last nibble is incremented every 8 samples
|
||
*
|
||
* Decode
|
||
*
|
||
* 0x1cf6931dfb16c0b1 => 0x1cf6
|
||
* 0x1cf6 ^ 0x185F = 0x04A9
|
||
* 0x04A9 => 0x04A = 74 (dec)
|
||
* 74+1 % 32(atomo_magic_xor) = 11
|
||
* GET atomo_magic_xor[11] = 0xXXXXXXXXXXXXXXXX
|
||
* 0x931dfb16c0b1 ^ 0xXXXXXXXXXXXXXXXX = 0xEF3ED0F7D9EF
|
||
* 0xEF3 ED0F7D9E F => 0xEF3 - CNT, 0xED0F7D9E - SN, 0xF - key
|
||
*
|
||
* */
|
||
|
||
uint16_t parcel_counter = instance->data >> 48;
|
||
parcel_counter = parcel_counter ^ 0x185F;
|
||
parcel_counter >>= 4;
|
||
uint8_t ind = (parcel_counter + 1) % 32;
|
||
uint64_t temp_data = instance->data & 0x0000FFFFFFFFFFFF;
|
||
uint64_t atomo_magic_xor = subghz_protocol_came_atomo_get_magic_xor_in_file(file_name, ind);
|
||
|
||
if(atomo_magic_xor != SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE) {
|
||
temp_data = temp_data ^ atomo_magic_xor;
|
||
instance->cnt = temp_data >> 36;
|
||
instance->serial = (temp_data >> 4) & 0x000FFFFFFFF;
|
||
instance->btn = temp_data & 0xF;
|
||
} else {
|
||
instance->cnt = 0;
|
||
instance->serial = 0;
|
||
instance->btn = 0;
|
||
}
|
||
}
|
||
|
||
uint8_t subghz_protocol_decoder_came_atomo_get_hash_data(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
return subghz_protocol_blocks_get_hash_data(
|
||
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
||
}
|
||
|
||
bool subghz_protocol_decoder_came_atomo_serialize(
|
||
void* context,
|
||
FlipperFormat* flipper_format,
|
||
SubGhzPresetDefinition* preset) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
||
}
|
||
|
||
bool subghz_protocol_decoder_came_atomo_deserialize(void* context, FlipperFormat* flipper_format) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
bool ret = false;
|
||
do {
|
||
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
||
break;
|
||
}
|
||
if(instance->generic.data_count_bit !=
|
||
subghz_protocol_came_atomo_const.min_count_bit_for_found) {
|
||
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
||
break;
|
||
}
|
||
ret = true;
|
||
} while(false);
|
||
return ret;
|
||
}
|
||
|
||
void subghz_protocol_decoder_came_atomo_get_string(void* context, FuriString* output) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderCameAtomo* instance = context;
|
||
subghz_protocol_came_atomo_remote_controller(
|
||
&instance->generic, instance->came_atomo_rainbow_table_file_name);
|
||
uint32_t code_found_hi = instance->generic.data >> 32;
|
||
uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
|
||
|
||
furi_string_cat_printf(
|
||
output,
|
||
"%s %db\r\n"
|
||
"Key:0x%lX%08lX\r\n"
|
||
"Sn:0x%08lX Btn:0x%01X\r\n"
|
||
"Cnt:0x%03lX\r\n",
|
||
|
||
instance->generic.protocol_name,
|
||
instance->generic.data_count_bit,
|
||
code_found_hi,
|
||
code_found_lo,
|
||
instance->generic.serial,
|
||
instance->generic.btn,
|
||
instance->generic.cnt);
|
||
}
|