ec19c11dbe
* SubGhz: load custom -preset * SubGhz: fix error prt=0 * SubGhz: load custom preset * SubGhz: code refactoring to support custom preset * SubGhz: add custom presert refactoring * SubGhz: fix alloc history alloc preset * SubGhz: fix error load file * SubGhz: fix start custom preset * SubGhz: fix delete custom preset * SubGhz: add description Custom_preset_data for CC1101 * SubGhz: debug logging and buffer size rounding Co-authored-by: あく <alleteam@gmail.com> Co-authored-by: Aleksandr Kutuzov <aku@plooks.com>
453 lines
16 KiB
C
453 lines
16 KiB
C
#include "came_twee.h"
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#include <lib/toolbox/manchester_decoder.h>
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#include <lib/toolbox/manchester_encoder.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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/*
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* Help
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* https://phreakerclub.com/forum/showthread.php?t=635&highlight=came+twin
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*
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*/
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#define TAG "SubGhzProtocolCAME_Twee"
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#define DIP_PATTERN "%c%c%c%c%c%c%c%c%c%c"
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#define CNT_TO_DIP(dip) \
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(dip & 0x0200 ? '1' : '0'), (dip & 0x0100 ? '1' : '0'), (dip & 0x0080 ? '1' : '0'), \
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(dip & 0x0040 ? '1' : '0'), (dip & 0x0020 ? '1' : '0'), (dip & 0x0010 ? '1' : '0'), \
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(dip & 0x0008 ? '1' : '0'), (dip & 0x0004 ? '1' : '0'), (dip & 0x0002 ? '1' : '0'), \
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(dip & 0x0001 ? '1' : '0')
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/**
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* Rainbow table Came Twee.
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*/
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static const uint32_t came_twee_magic_numbers_xor[15] = {
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0x0E0E0E00,
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0x1D1D1D11,
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0x2C2C2C22,
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0x3B3B3B33,
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0x4A4A4A44,
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0x59595955,
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0x68686866,
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0x77777777,
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0x86868688,
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0x95959599,
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0xA4A4A4AA,
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0xB3B3B3BB,
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0xC2C2C2CC,
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0xD1D1D1DD,
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0xE0E0E0EE,
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};
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static const SubGhzBlockConst subghz_protocol_came_twee_const = {
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.te_short = 500,
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.te_long = 1000,
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.te_delta = 250,
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.min_count_bit_for_found = 54,
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};
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struct SubGhzProtocolDecoderCameTwee {
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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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};
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struct SubGhzProtocolEncoderCameTwee {
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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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CameTweeDecoderStepReset = 0,
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CameTweeDecoderStepDecoderData,
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} CameTweeDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_came_twee_decoder = {
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.alloc = subghz_protocol_decoder_came_twee_alloc,
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.free = subghz_protocol_decoder_came_twee_free,
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.feed = subghz_protocol_decoder_came_twee_feed,
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.reset = subghz_protocol_decoder_came_twee_reset,
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.get_hash_data = subghz_protocol_decoder_came_twee_get_hash_data,
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.serialize = subghz_protocol_decoder_came_twee_serialize,
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.deserialize = subghz_protocol_decoder_came_twee_deserialize,
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.get_string = subghz_protocol_decoder_came_twee_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_came_twee_encoder = {
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.alloc = subghz_protocol_encoder_came_twee_alloc,
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.free = subghz_protocol_encoder_came_twee_free,
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.deserialize = subghz_protocol_encoder_came_twee_deserialize,
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.stop = subghz_protocol_encoder_came_twee_stop,
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.yield = subghz_protocol_encoder_came_twee_yield,
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};
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const SubGhzProtocol subghz_protocol_came_twee = {
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.name = SUBGHZ_PROTOCOL_CAME_TWEE_NAME,
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.type = SubGhzProtocolTypeStatic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
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SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_came_twee_decoder,
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.encoder = &subghz_protocol_came_twee_encoder,
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};
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void* subghz_protocol_encoder_came_twee_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolEncoderCameTwee* instance = malloc(sizeof(SubGhzProtocolEncoderCameTwee));
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instance->base.protocol = &subghz_protocol_came_twee;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->encoder.repeat = 10;
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instance->encoder.size_upload = 1536; //max upload 92*14 = 1288 !!!!
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instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
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instance->encoder.is_runing = false;
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return instance;
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}
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void subghz_protocol_encoder_came_twee_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderCameTwee* instance = context;
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free(instance->encoder.upload);
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free(instance);
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}
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static LevelDuration
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subghz_protocol_encoder_came_twee_add_duration_to_upload(ManchesterEncoderResult result) {
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LevelDuration data = {.duration = 0, .level = 0};
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switch(result) {
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case ManchesterEncoderResultShortLow:
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data.duration = subghz_protocol_came_twee_const.te_short;
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data.level = false;
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break;
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case ManchesterEncoderResultLongLow:
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data.duration = subghz_protocol_came_twee_const.te_long;
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data.level = false;
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break;
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case ManchesterEncoderResultLongHigh:
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data.duration = subghz_protocol_came_twee_const.te_long;
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data.level = true;
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break;
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case ManchesterEncoderResultShortHigh:
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data.duration = subghz_protocol_came_twee_const.te_short;
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data.level = true;
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break;
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default:
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furi_crash("SubGhz: ManchesterEncoderResult is incorrect.");
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break;
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}
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return level_duration_make(data.level, data.duration);
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}
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/**
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* Generating an upload from data.
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* @param instance Pointer to a SubGhzProtocolEncoderCameTwee instance
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*/
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static void subghz_protocol_encoder_came_twee_get_upload(SubGhzProtocolEncoderCameTwee* instance) {
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furi_assert(instance);
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size_t index = 0;
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ManchesterEncoderState enc_state;
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manchester_encoder_reset(&enc_state);
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ManchesterEncoderResult result;
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uint64_t temp_parcel = 0x003FFF7200000000; //parcel mask
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for(int i = 14; i >= 0; i--) {
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temp_parcel = (temp_parcel & 0xFFFFFFFF00000000) |
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(instance->generic.serial ^ came_twee_magic_numbers_xor[i]);
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for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
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if(!manchester_encoder_advance(&enc_state, !bit_read(temp_parcel, i - 1), &result)) {
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instance->encoder.upload[index++] =
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subghz_protocol_encoder_came_twee_add_duration_to_upload(result);
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manchester_encoder_advance(&enc_state, !bit_read(temp_parcel, i - 1), &result);
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}
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instance->encoder.upload[index++] =
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subghz_protocol_encoder_came_twee_add_duration_to_upload(result);
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}
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instance->encoder.upload[index] = subghz_protocol_encoder_came_twee_add_duration_to_upload(
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manchester_encoder_finish(&enc_state));
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if(level_duration_get_level(instance->encoder.upload[index])) {
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index++;
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}
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_came_twee_const.te_long * 51);
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}
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instance->encoder.size_upload = index;
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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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*/
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static void subghz_protocol_came_twee_remote_controller(SubGhzBlockGeneric* instance) {
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/* Came Twee 54 bit, rolling code 15 parcels with
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* a decreasing counter from 0xE to 0x0
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* with originally coded dip switches on the console 10 bit code
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*
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* 0x003FFF72E04A6FEE
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* 0x003FFF72D17B5EDD
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* 0x003FFF72C2684DCC
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* 0x003FFF72B3193CBB
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* 0x003FFF72A40E2BAA
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* 0x003FFF72953F1A99
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* 0x003FFF72862C0988
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* 0x003FFF7277DDF877
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* 0x003FFF7268C2E766
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* 0x003FFF7259F3D655
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* 0x003FFF724AE0C544
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* 0x003FFF723B91B433
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* 0x003FFF722C86A322
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* 0x003FFF721DB79211
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* 0x003FFF720EA48100
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*
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* decryption
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* the last 32 bits, do XOR by the desired number, divide the result by 4,
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* convert the first 16 bits of the resulting 32-bit number to bin and do
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* bit-by-bit mirroring, adding up to 10 bits
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*
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* Example
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* Step 1. 0x003FFF721DB79211 => 0x1DB79211
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* Step 4. 0x1DB79211 xor 0x1D1D1D11 => 0x00AA8F00
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* Step 4. 0x00AA8F00 / 4 => 0x002AA3C0
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* Step 5. 0x002AA3C0 => 0x002A
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* Step 6. 0x002A bin => b101010
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* Step 7. b101010 => b0101010000
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* Step 8. b0101010000 => (Dip) Off ON Off ON Off ON Off Off Off Off
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*/
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uint8_t cnt_parcel = (uint8_t)(instance->data & 0xF);
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uint32_t data = (uint32_t)(instance->data & 0x0FFFFFFFF);
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data = (data ^ came_twee_magic_numbers_xor[cnt_parcel]);
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instance->serial = data;
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data /= 4;
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instance->btn = (data >> 4) & 0x0F;
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data >>= 16;
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data = (uint16_t)subghz_protocol_blocks_reverse_key(data, 16);
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instance->cnt = data >> 6;
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}
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bool subghz_protocol_encoder_came_twee_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderCameTwee* instance = context;
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bool res = false;
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do {
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if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
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FURI_LOG_E(TAG, "Deserialize error");
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break;
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}
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//optional parameter parameter
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flipper_format_read_uint32(
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flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
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subghz_protocol_came_twee_remote_controller(&instance->generic);
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subghz_protocol_encoder_came_twee_get_upload(instance);
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instance->encoder.is_runing = true;
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res = true;
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} while(false);
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return res;
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}
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void subghz_protocol_encoder_came_twee_stop(void* context) {
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SubGhzProtocolEncoderCameTwee* instance = context;
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instance->encoder.is_runing = false;
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}
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LevelDuration subghz_protocol_encoder_came_twee_yield(void* context) {
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SubGhzProtocolEncoderCameTwee* instance = context;
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if(instance->encoder.repeat == 0 || !instance->encoder.is_runing) {
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instance->encoder.is_runing = false;
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return level_duration_reset();
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}
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LevelDuration ret = instance->encoder.upload[instance->encoder.front];
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if(++instance->encoder.front == instance->encoder.size_upload) {
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instance->encoder.repeat--;
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instance->encoder.front = 0;
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}
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return ret;
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}
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void* subghz_protocol_decoder_came_twee_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolDecoderCameTwee* instance = malloc(sizeof(SubGhzProtocolDecoderCameTwee));
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instance->base.protocol = &subghz_protocol_came_twee;
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instance->generic.protocol_name = instance->base.protocol->name;
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return instance;
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}
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void subghz_protocol_decoder_came_twee_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_came_twee_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* instance = context;
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instance->decoder.parser_step = CameTweeDecoderStepReset;
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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_twee_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* instance = context;
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ManchesterEvent event = ManchesterEventReset;
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switch(instance->decoder.parser_step) {
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case CameTweeDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_twee_const.te_long * 51) <
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subghz_protocol_came_twee_const.te_delta * 20)) {
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//Found header CAME
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instance->decoder.parser_step = CameTweeDecoderStepDecoderData;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventLongLow,
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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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ManchesterEventLongHigh,
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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 CameTweeDecoderStepDecoderData:
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if(!level) {
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if(DURATION_DIFF(duration, subghz_protocol_came_twee_const.te_short) <
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subghz_protocol_came_twee_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_twee_const.te_long) <
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subghz_protocol_came_twee_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_twee_const.te_long * 2 +
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subghz_protocol_came_twee_const.te_delta)) {
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_came_twee_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 = 0;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventLongLow,
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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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ManchesterEventLongHigh,
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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 = CameTweeDecoderStepReset;
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}
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} else {
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if(DURATION_DIFF(duration, subghz_protocol_came_twee_const.te_short) <
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subghz_protocol_came_twee_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_twee_const.te_long) <
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subghz_protocol_came_twee_const.te_delta) {
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event = ManchesterEventLongHigh;
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} else {
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instance->decoder.parser_step = CameTweeDecoderStepReset;
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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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uint8_t subghz_protocol_decoder_came_twee_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* 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_twee_serialize(
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void* context,
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FlipperFormat* flipper_format,
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SubGhzPesetDefinition* preset) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* instance = context;
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return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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bool subghz_protocol_decoder_came_twee_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* 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_twee_get_string(void* context, string_t output) {
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furi_assert(context);
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SubGhzProtocolDecoderCameTwee* instance = context;
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subghz_protocol_came_twee_remote_controller(&instance->generic);
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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 %dbit\r\n"
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"Key:0x%lX%08lX\r\n"
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"Btn:%lX\r\n"
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|
"DIP:" DIP_PATTERN "\r\n",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
code_found_hi,
|
|
code_found_lo,
|
|
instance->generic.btn,
|
|
CNT_TO_DIP(instance->generic.cnt));
|
|
}
|