396 lines
14 KiB
C
396 lines
14 KiB
C
#include "power_smart.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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#define TAG "SubGhzProtocolPowerSmart"
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#define POWER_SMART_PACKET_HEADER 0xFD000000AA000000
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#define POWER_SMART_PACKET_HEADER_MASK 0xFF000000FF000000
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#define CHANNEL_PATTERN "%c%c%c%c%c%c"
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#define CNT_TO_CHANNEL(dip) \
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(dip & 0x0001 ? '*' : '-'), (dip & 0x0002 ? '*' : '-'), (dip & 0x0004 ? '*' : '-'), \
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(dip & 0x0008 ? '*' : '-'), (dip & 0x0010 ? '*' : '-'), (dip & 0x0020 ? '*' : '-')
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static const SubGhzBlockConst subghz_protocol_power_smart_const = {
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.te_short = 225,
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.te_long = 450,
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.te_delta = 100,
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.min_count_bit_for_found = 64,
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};
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struct SubGhzProtocolDecoderPowerSmart {
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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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uint16_t header_count;
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};
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struct SubGhzProtocolEncoderPowerSmart {
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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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PowerSmartDecoderStepReset = 0,
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PowerSmartDecoderFoundHeader,
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PowerSmartDecoderStepDecoderData,
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} PowerSmartDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_power_smart_decoder = {
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.alloc = subghz_protocol_decoder_power_smart_alloc,
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.free = subghz_protocol_decoder_power_smart_free,
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.feed = subghz_protocol_decoder_power_smart_feed,
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.reset = subghz_protocol_decoder_power_smart_reset,
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.get_hash_data = subghz_protocol_decoder_power_smart_get_hash_data,
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.serialize = subghz_protocol_decoder_power_smart_serialize,
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.deserialize = subghz_protocol_decoder_power_smart_deserialize,
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.get_string = subghz_protocol_decoder_power_smart_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_power_smart_encoder = {
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.alloc = subghz_protocol_encoder_power_smart_alloc,
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.free = subghz_protocol_encoder_power_smart_free,
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.deserialize = subghz_protocol_encoder_power_smart_deserialize,
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.stop = subghz_protocol_encoder_power_smart_stop,
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.yield = subghz_protocol_encoder_power_smart_yield,
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};
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const SubGhzProtocol subghz_protocol_power_smart = {
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.name = SUBGHZ_PROTOCOL_POWER_SMART_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_power_smart_decoder,
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.encoder = &subghz_protocol_power_smart_encoder,
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};
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void* subghz_protocol_encoder_power_smart_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolEncoderPowerSmart* instance = malloc(sizeof(SubGhzProtocolEncoderPowerSmart));
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instance->base.protocol = &subghz_protocol_power_smart;
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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 = 1024;
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instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
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instance->encoder.is_running = false;
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return instance;
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}
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void subghz_protocol_encoder_power_smart_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderPowerSmart* 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_power_smart_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_power_smart_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_power_smart_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_power_smart_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_power_smart_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 SubGhzProtocolEncoderPowerSmart instance
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*/
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static void
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subghz_protocol_encoder_power_smart_get_upload(SubGhzProtocolEncoderPowerSmart* 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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for(int i = 8; i > 0; 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(
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&enc_state, !bit_read(instance->generic.data, i - 1), &result)) {
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instance->encoder.upload[index++] =
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subghz_protocol_encoder_power_smart_add_duration_to_upload(result);
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manchester_encoder_advance(
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&enc_state, !bit_read(instance->generic.data, i - 1), &result);
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}
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instance->encoder.upload[index++] =
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subghz_protocol_encoder_power_smart_add_duration_to_upload(result);
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}
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}
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instance->encoder.upload[index] = subghz_protocol_encoder_power_smart_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_power_smart_const.te_long * 1111);
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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_power_smart_remote_controller(SubGhzBlockGeneric* instance) {
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/*
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* Protocol: Manchester encoding, symbol rate ~2222.
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* Packet Format:
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* 0xFDXXXXYYAAZZZZWW where 0xFD and 0xAA sync word
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* XXXX = ~ZZZZ, YY=(~WW)-1
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* Example:
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* SYNC1 K1 CHANNEL DATA1 K2 DATA2 SYNC2 ~K1 ~CHANNEL ~DATA2 ~K2 (~DATA2)-1
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* 0xFD2137ACAADEC852 => 11111101 0 010000 10011011 1 10101100 10101010 1 1011110 1100100 0 01010010
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* 0xFDA137ACAA5EC852 => 11111101 1 010000 10011011 1 10101100 10101010 0 1011110 1100100 0 01010010
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* 0xFDA136ACAA5EC952 => 11111101 1 010000 10011011 0 10101100 10101010 0 1011110 1100100 1 01010010
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*
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* Key:
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* K1K2
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* 0 0 - key_unknown
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* 0 1 - key_down
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* 1 0 - key_up
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* 1 1 - key_stop
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*
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*/
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instance->btn = ((instance->data >> 54) & 0x02) | ((instance->data >> 40) & 0x1);
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instance->serial = ((instance->data >> 33) & 0x3FFF00) | ((instance->data >> 32) & 0xFF);
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instance->cnt = ((instance->data >> 49) & 0x3F);
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}
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bool subghz_protocol_encoder_power_smart_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderPowerSmart* 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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if(instance->generic.data_count_bit !=
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subghz_protocol_power_smart_const.min_count_bit_for_found) {
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FURI_LOG_E(TAG, "Wrong number of bits in key");
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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_power_smart_remote_controller(&instance->generic);
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subghz_protocol_encoder_power_smart_get_upload(instance);
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instance->encoder.is_running = 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_power_smart_stop(void* context) {
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SubGhzProtocolEncoderPowerSmart* instance = context;
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instance->encoder.is_running = false;
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}
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LevelDuration subghz_protocol_encoder_power_smart_yield(void* context) {
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SubGhzProtocolEncoderPowerSmart* instance = context;
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if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
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instance->encoder.is_running = 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_power_smart_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolDecoderPowerSmart* instance = malloc(sizeof(SubGhzProtocolDecoderPowerSmart));
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instance->base.protocol = &subghz_protocol_power_smart;
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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_power_smart_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_power_smart_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* instance = context;
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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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bool subghz_protocol_power_smart_chek_valid(uint64_t packet) {
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uint32_t data_1 = (uint32_t)((packet >> 40) & 0xFFFF);
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uint32_t data_2 = (uint32_t)((~packet >> 8) & 0xFFFF);
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uint8_t data_3 = (uint8_t)(packet >> 32) & 0xFF;
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uint8_t data_4 = (uint8_t)(((~packet) & 0xFF) - 1);
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return (data_1 == data_2) && (data_3 == data_4);
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}
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void subghz_protocol_decoder_power_smart_feed(
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void* context,
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bool level,
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volatile uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* instance = context;
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ManchesterEvent event = ManchesterEventReset;
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if(!level) {
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if(DURATION_DIFF(duration, subghz_protocol_power_smart_const.te_short) <
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subghz_protocol_power_smart_const.te_delta) {
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event = ManchesterEventShortLow;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_power_smart_const.te_long) <
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subghz_protocol_power_smart_const.te_delta * 2) {
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event = ManchesterEventLongLow;
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}
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} else {
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if(DURATION_DIFF(duration, subghz_protocol_power_smart_const.te_short) <
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subghz_protocol_power_smart_const.te_delta) {
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event = ManchesterEventShortHigh;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_power_smart_const.te_long) <
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subghz_protocol_power_smart_const.te_delta * 2) {
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event = ManchesterEventLongHigh;
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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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}
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if((instance->decoder.decode_data & POWER_SMART_PACKET_HEADER_MASK) ==
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POWER_SMART_PACKET_HEADER) {
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if(subghz_protocol_power_smart_chek_valid(instance->decoder.decode_data)) {
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instance->decoder.decode_data = instance->decoder.decode_data;
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit =
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subghz_protocol_power_smart_const.min_count_bit_for_found;
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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}
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}
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} else {
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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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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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}
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}
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static const char* subghz_protocol_power_smart_get_name_button(uint8_t btn) {
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btn &= 0x3;
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const char* name_btn[0x4] = {"Unknown", "Down", "Up", "Stop"};
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return name_btn[btn];
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}
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uint8_t subghz_protocol_decoder_power_smart_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* 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_power_smart_serialize(
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void* context,
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FlipperFormat* flipper_format,
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SubGhzPresetDefinition* preset) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* 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_power_smart_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* instance = context;
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bool ret = false;
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do {
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if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
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break;
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}
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if(instance->generic.data_count_bit !=
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subghz_protocol_power_smart_const.min_count_bit_for_found) {
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FURI_LOG_E(TAG, "Wrong number of bits in key");
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break;
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}
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ret = true;
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} while(false);
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return ret;
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}
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void subghz_protocol_decoder_power_smart_get_string(void* context, string_t output) {
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furi_assert(context);
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SubGhzProtocolDecoderPowerSmart* instance = context;
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subghz_protocol_power_smart_remote_controller(&instance->generic);
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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%07lX \r\n"
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"Btn:%s\r\n"
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"Channel:" CHANNEL_PATTERN "\r\n",
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instance->generic.protocol_name,
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instance->generic.data_count_bit,
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(uint32_t)(instance->generic.data >> 32),
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(uint32_t)(instance->generic.data & 0xFFFFFFFF),
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instance->generic.serial,
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subghz_protocol_power_smart_get_name_button(instance->generic.btn),
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CNT_TO_CHANNEL(instance->generic.cnt));
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}
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