mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-20 20:01:54 +03:00
4d6b170769
* Fixing compiler warnings with -Wextra * More warnings suppression, WIP * Even more warning fixes * Added new lines at end of text files. * Padding fix * Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline * Fixes for Secplus v1 * -additional warnings * +-Wredundant-decls fixes * FuriHal: print stack overflow task name in console * FuriHal: add missing include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
340 lines
12 KiB
C
340 lines
12 KiB
C
#include "came_atomo.h"
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#include <lib/toolbox/manchester_decoder.h>
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#include "../blocks/const.h"
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#include "../blocks/decoder.h"
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#include "../blocks/encoder.h"
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#include "../blocks/generic.h"
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#include "../blocks/math.h"
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#define TAG "SubGhzProtocoCameAtomo"
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#define SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE 0xFFFFFFFFFFFFFFFF
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static const SubGhzBlockConst subghz_protocol_came_atomo_const = {
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.te_short = 600,
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.te_long = 1200,
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.te_delta = 250,
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.min_count_bit_for_found = 62,
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};
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struct SubGhzProtocolDecoderCameAtomo {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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ManchesterState manchester_saved_state;
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const char* came_atomo_rainbow_table_file_name;
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};
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struct SubGhzProtocolEncoderCameAtomo {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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};
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typedef enum {
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CameAtomoDecoderStepReset = 0,
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CameAtomoDecoderStepDecoderData,
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} CameAtomoDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_came_atomo_decoder = {
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.alloc = subghz_protocol_decoder_came_atomo_alloc,
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.free = subghz_protocol_decoder_came_atomo_free,
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.feed = subghz_protocol_decoder_came_atomo_feed,
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.reset = subghz_protocol_decoder_came_atomo_reset,
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.get_hash_data = subghz_protocol_decoder_came_atomo_get_hash_data,
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.serialize = subghz_protocol_decoder_came_atomo_serialize,
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.deserialize = subghz_protocol_decoder_came_atomo_deserialize,
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.get_string = subghz_protocol_decoder_came_atomo_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_came_atomo_encoder = {
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.alloc = NULL,
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.free = NULL,
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.deserialize = NULL,
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.stop = NULL,
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.yield = NULL,
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};
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const SubGhzProtocol subghz_protocol_came_atomo = {
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.name = SUBGHZ_PROTOCOL_CAME_ATOMO_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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.decoder = &subghz_protocol_came_atomo_decoder,
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.encoder = &subghz_protocol_came_atomo_encoder,
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};
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void* subghz_protocol_decoder_came_atomo_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolDecoderCameAtomo* instance = malloc(sizeof(SubGhzProtocolDecoderCameAtomo));
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instance->base.protocol = &subghz_protocol_came_atomo;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->came_atomo_rainbow_table_file_name =
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subghz_environment_get_came_atomo_rainbow_table_file_name(environment);
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if(instance->came_atomo_rainbow_table_file_name) {
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FURI_LOG_I(
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TAG, "Loading rainbow table from %s", instance->came_atomo_rainbow_table_file_name);
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}
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return instance;
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}
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void subghz_protocol_decoder_came_atomo_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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instance->came_atomo_rainbow_table_file_name = NULL;
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free(instance);
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}
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void subghz_protocol_decoder_came_atomo_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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instance->decoder.parser_step = CameAtomoDecoderStepReset;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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}
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void subghz_protocol_decoder_came_atomo_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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ManchesterEvent event = ManchesterEventReset;
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switch(instance->decoder.parser_step) {
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case CameAtomoDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long * 65) <
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subghz_protocol_came_atomo_const.te_delta * 20)) {
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//Found header CAME
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instance->decoder.parser_step = CameAtomoDecoderStepDecoderData;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 1;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventShortLow,
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&instance->manchester_saved_state,
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NULL);
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}
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break;
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case CameAtomoDecoderStepDecoderData:
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if(!level) {
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if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
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subghz_protocol_came_atomo_const.te_delta) {
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event = ManchesterEventShortLow;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
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subghz_protocol_came_atomo_const.te_delta) {
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event = ManchesterEventLongLow;
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} else if(
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duration >= ((uint32_t)subghz_protocol_came_atomo_const.te_long * 2 +
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subghz_protocol_came_atomo_const.te_delta)) {
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_came_atomo_const.min_count_bit_for_found) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 1;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventShortLow,
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&instance->manchester_saved_state,
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NULL);
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} else {
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instance->decoder.parser_step = CameAtomoDecoderStepReset;
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}
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} else {
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if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
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subghz_protocol_came_atomo_const.te_delta) {
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event = ManchesterEventShortHigh;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
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subghz_protocol_came_atomo_const.te_delta) {
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event = ManchesterEventLongHigh;
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} else {
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instance->decoder.parser_step = CameAtomoDecoderStepReset;
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}
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}
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if(event != ManchesterEventReset) {
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bool data;
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bool data_ok = manchester_advance(
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instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
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if(data_ok) {
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instance->decoder.decode_data = (instance->decoder.decode_data << 1) | !data;
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instance->decoder.decode_count_bit++;
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}
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}
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break;
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}
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}
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/**
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* Read bytes from rainbow table
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* @param file_name Full path to rainbow table the file
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* @param number_atomo_magic_xor Сell number in the array
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* @return atomo_magic_xor
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*/
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static uint64_t subghz_protocol_came_atomo_get_magic_xor_in_file(
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const char* file_name,
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uint8_t number_atomo_magic_xor) {
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if(!strcmp(file_name, "")) return SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
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uint8_t buffer[sizeof(uint64_t)] = {0};
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uint32_t address = number_atomo_magic_xor * sizeof(uint64_t);
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uint64_t atomo_magic_xor = 0;
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if(subghz_keystore_raw_get_data(file_name, address, buffer, sizeof(uint64_t))) {
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for(size_t i = 0; i < sizeof(uint64_t); i++) {
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atomo_magic_xor = (atomo_magic_xor << 8) | buffer[i];
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}
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} else {
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atomo_magic_xor = SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
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}
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return atomo_magic_xor;
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}
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/**
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* Analysis of received data
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* @param instance Pointer to a SubGhzBlockGeneric* instance
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* @param file_name Full path to rainbow table the file
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*/
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static void subghz_protocol_came_atomo_remote_controller(
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SubGhzBlockGeneric* instance,
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const char* file_name) {
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/*
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* 0x1fafef3ed0f7d9ef
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* 0x185fcc1531ee86e7
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* 0x184fa96912c567ff
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* 0x187f8a42f3dc38f7
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* 0x186f63915492a5cd
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* 0x181f40bab58bfac5
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* 0x180f25c696a01bdd
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* 0x183f06ed77b944d5
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* 0x182ef661d83d21a9
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* 0x18ded54a39247ea1
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* 0x18ceb0361a0f9fb9
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* 0x18fe931dfb16c0b1
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* 0x18ee7ace5c585d8b
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* ........
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* transmission consists of 99 parcels with increasing counter while holding down the button
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* with each new press, the counter in the encrypted part increases
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*
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* 0x1FAFF13ED0F7D9EF
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* 0x1FAFF11ED0F7D9EF
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* 0x1FAFF10ED0F7D9EF
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* 0x1FAFF0FED0F7D9EF
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* 0x1FAFF0EED0F7D9EF
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* 0x1FAFF0DED0F7D9EF
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* 0x1FAFF0CED0F7D9EF
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* 0x1FAFF0BED0F7D9EF
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* 0x1FAFF0AED0F7D9EF
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*
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* where 0x1FAF - parcel counter, 0хF0A - button press counter,
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* 0xED0F7D9E - serial number, 0хF - key
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* 0x1FAF parcel counter - 1 in the parcel queue ^ 0x185F = 0x07F0
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* 0x185f ^ 0x185F = 0x0000
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* 0x184f ^ 0x185F = 0x0010
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* 0x187f ^ 0x185F = 0x0020
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* .....
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* 0x182e ^ 0x185F = 0x0071
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* 0x18de ^ 0x185F = 0x0081
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* .....
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* 0x1e43 ^ 0x185F = 0x061C
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* where the last nibble is incremented every 8 samples
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*
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* Decode
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*
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* 0x1cf6931dfb16c0b1 => 0x1cf6
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* 0x1cf6 ^ 0x185F = 0x04A9
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* 0x04A9 => 0x04A = 74 (dec)
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* 74+1 % 32(atomo_magic_xor) = 11
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* GET atomo_magic_xor[11] = 0xXXXXXXXXXXXXXXXX
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* 0x931dfb16c0b1 ^ 0xXXXXXXXXXXXXXXXX = 0xEF3ED0F7D9EF
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* 0xEF3 ED0F7D9E F => 0xEF3 - CNT, 0xED0F7D9E - SN, 0xF - key
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*
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* */
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uint16_t parcel_counter = instance->data >> 48;
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parcel_counter = parcel_counter ^ 0x185F;
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parcel_counter >>= 4;
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uint8_t ind = (parcel_counter + 1) % 32;
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uint64_t temp_data = instance->data & 0x0000FFFFFFFFFFFF;
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uint64_t atomo_magic_xor = subghz_protocol_came_atomo_get_magic_xor_in_file(file_name, ind);
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if(atomo_magic_xor != SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE) {
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temp_data = temp_data ^ atomo_magic_xor;
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instance->cnt = temp_data >> 36;
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instance->serial = (temp_data >> 4) & 0x000FFFFFFFF;
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instance->btn = temp_data & 0xF;
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} else {
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instance->cnt = 0;
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instance->serial = 0;
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instance->btn = 0;
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}
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}
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uint8_t subghz_protocol_decoder_came_atomo_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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return subghz_protocol_blocks_get_hash_data(
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&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
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}
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bool subghz_protocol_decoder_came_atomo_serialize(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t frequency,
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FuriHalSubGhzPreset preset) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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return subghz_block_generic_serialize(&instance->generic, flipper_format, frequency, preset);
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}
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bool subghz_protocol_decoder_came_atomo_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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return subghz_block_generic_deserialize(&instance->generic, flipper_format);
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}
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void subghz_protocol_decoder_came_atomo_get_string(void* context, string_t output) {
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furi_assert(context);
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SubGhzProtocolDecoderCameAtomo* instance = context;
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subghz_protocol_came_atomo_remote_controller(
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&instance->generic, instance->came_atomo_rainbow_table_file_name);
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uint32_t code_found_hi = instance->generic.data >> 32;
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uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
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string_cat_printf(
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output,
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"%s %db\r\n"
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"Key:0x%lX%08lX\r\n"
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"Sn:0x%08lX Btn:0x%01X\r\n"
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"Cnt:0x%03X\r\n",
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instance->generic.protocol_name,
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instance->generic.data_count_bit,
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code_found_hi,
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code_found_lo,
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instance->generic.serial,
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instance->generic.btn,
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instance->generic.cnt);
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}
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