72ca6b25e9
* SubGhz: add error protocol * WS: add error protocol * SubGhz: error processing * SubGhz: more stringent CAME protocol restrictions * SubGhz: fix header duration CAME protocol * SubGhz: delete comments * SubGhz: sync SubGhzProtocolStatus with FuriStatus * SubGhz: update documentation and bump api_version Co-authored-by: あく <alleteam@gmail.com>
365 lines
13 KiB
C
365 lines
13 KiB
C
#include "holtek.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://pdf1.alldatasheet.com/datasheet-pdf/view/82103/HOLTEK/HT640.html
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* https://fccid.io/OJM-CMD-HHLR-XXXA
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*
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*/
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#define TAG "SubGhzProtocolHoltek"
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#define HOLTEK_HEADER_MASK 0xF000000000
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#define HOLTEK_HEADER 0x5000000000
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static const SubGhzBlockConst subghz_protocol_holtek_const = {
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.te_short = 430,
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.te_long = 870,
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.te_delta = 100,
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.min_count_bit_for_found = 40,
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};
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struct SubGhzProtocolDecoderHoltek {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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};
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struct SubGhzProtocolEncoderHoltek {
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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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HoltekDecoderStepReset = 0,
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HoltekDecoderStepFoundStartBit,
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HoltekDecoderStepSaveDuration,
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HoltekDecoderStepCheckDuration,
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} HoltekDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_holtek_decoder = {
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.alloc = subghz_protocol_decoder_holtek_alloc,
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.free = subghz_protocol_decoder_holtek_free,
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.feed = subghz_protocol_decoder_holtek_feed,
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.reset = subghz_protocol_decoder_holtek_reset,
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.get_hash_data = subghz_protocol_decoder_holtek_get_hash_data,
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.serialize = subghz_protocol_decoder_holtek_serialize,
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.deserialize = subghz_protocol_decoder_holtek_deserialize,
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.get_string = subghz_protocol_decoder_holtek_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_holtek_encoder = {
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.alloc = subghz_protocol_encoder_holtek_alloc,
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.free = subghz_protocol_encoder_holtek_free,
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.deserialize = subghz_protocol_encoder_holtek_deserialize,
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.stop = subghz_protocol_encoder_holtek_stop,
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.yield = subghz_protocol_encoder_holtek_yield,
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};
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const SubGhzProtocol subghz_protocol_holtek = {
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.name = SUBGHZ_PROTOCOL_HOLTEK_NAME,
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.type = SubGhzProtocolTypeStatic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_315 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load |
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SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_holtek_decoder,
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.encoder = &subghz_protocol_holtek_encoder,
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};
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void* subghz_protocol_encoder_holtek_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolEncoderHoltek* instance = malloc(sizeof(SubGhzProtocolEncoderHoltek));
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instance->base.protocol = &subghz_protocol_holtek;
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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 = 128;
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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_holtek_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderHoltek* instance = context;
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free(instance->encoder.upload);
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free(instance);
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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 SubGhzProtocolEncoderHoltek instance
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* @return true On success
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*/
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static bool subghz_protocol_encoder_holtek_get_upload(SubGhzProtocolEncoderHoltek* instance) {
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furi_assert(instance);
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size_t index = 0;
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size_t size_upload = (instance->generic.data_count_bit * 2) + 2;
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if(size_upload > instance->encoder.size_upload) {
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FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
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return false;
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} else {
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instance->encoder.size_upload = size_upload;
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}
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//Send header
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_holtek_const.te_short * 36);
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//Send start bit
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_holtek_const.te_short);
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//Send key data
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for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
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if(bit_read(instance->generic.data, i - 1)) {
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//send bit 1
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_holtek_const.te_long);
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_holtek_const.te_short);
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} else {
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//send bit 0
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instance->encoder.upload[index++] =
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level_duration_make(false, (uint32_t)subghz_protocol_holtek_const.te_short);
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instance->encoder.upload[index++] =
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level_duration_make(true, (uint32_t)subghz_protocol_holtek_const.te_long);
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}
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}
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return true;
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}
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SubGhzProtocolStatus
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subghz_protocol_encoder_holtek_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderHoltek* instance = context;
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SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
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do {
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ret = subghz_block_generic_deserialize_check_count_bit(
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&instance->generic,
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flipper_format,
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subghz_protocol_holtek_const.min_count_bit_for_found);
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if(ret != SubGhzProtocolStatusOk) {
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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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if(!subghz_protocol_encoder_holtek_get_upload(instance)) {
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ret = SubGhzProtocolStatusErrorEncoderGetUpload;
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break;
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}
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instance->encoder.is_running = true;
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} while(false);
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return ret;
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}
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void subghz_protocol_encoder_holtek_stop(void* context) {
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SubGhzProtocolEncoderHoltek* instance = context;
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instance->encoder.is_running = false;
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}
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LevelDuration subghz_protocol_encoder_holtek_yield(void* context) {
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SubGhzProtocolEncoderHoltek* 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_holtek_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolDecoderHoltek* instance = malloc(sizeof(SubGhzProtocolDecoderHoltek));
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instance->base.protocol = &subghz_protocol_holtek;
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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_holtek_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_holtek_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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instance->decoder.parser_step = HoltekDecoderStepReset;
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}
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void subghz_protocol_decoder_holtek_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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switch(instance->decoder.parser_step) {
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case HoltekDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_holtek_const.te_short * 36) <
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subghz_protocol_holtek_const.te_delta * 36)) {
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//Found Preambula
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instance->decoder.parser_step = HoltekDecoderStepFoundStartBit;
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}
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break;
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case HoltekDecoderStepFoundStartBit:
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if((level) && (DURATION_DIFF(duration, subghz_protocol_holtek_const.te_short) <
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subghz_protocol_holtek_const.te_delta)) {
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//Found StartBit
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instance->decoder.parser_step = HoltekDecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else {
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instance->decoder.parser_step = HoltekDecoderStepReset;
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}
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break;
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case HoltekDecoderStepSaveDuration:
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//save duration
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if(!level) {
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if(duration >= ((uint32_t)subghz_protocol_holtek_const.te_short * 10 +
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subghz_protocol_holtek_const.te_delta)) {
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_holtek_const.min_count_bit_for_found) {
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if((instance->decoder.decode_data & HOLTEK_HEADER_MASK) == HOLTEK_HEADER) {
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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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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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instance->decoder.parser_step = HoltekDecoderStepFoundStartBit;
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break;
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} else {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = HoltekDecoderStepCheckDuration;
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}
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} else {
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instance->decoder.parser_step = HoltekDecoderStepReset;
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}
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break;
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case HoltekDecoderStepCheckDuration:
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if(level) {
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if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_holtek_const.te_short) <
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subghz_protocol_holtek_const.te_delta) &&
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(DURATION_DIFF(duration, subghz_protocol_holtek_const.te_long) <
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subghz_protocol_holtek_const.te_delta * 2)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = HoltekDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_holtek_const.te_long) <
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subghz_protocol_holtek_const.te_delta * 2) &&
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(DURATION_DIFF(duration, subghz_protocol_holtek_const.te_short) <
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subghz_protocol_holtek_const.te_delta)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = HoltekDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = HoltekDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = HoltekDecoderStepReset;
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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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* 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_holtek_check_remote_controller(SubGhzBlockGeneric* instance) {
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if((instance->data & HOLTEK_HEADER_MASK) == HOLTEK_HEADER) {
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instance->serial =
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subghz_protocol_blocks_reverse_key((instance->data >> 16) & 0xFFFFF, 20);
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uint16_t btn = instance->data & 0xFFFF;
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if((btn & 0xf) != 0xA) {
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instance->btn = 0x1 << 4 | (btn & 0xF);
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} else if(((btn >> 4) & 0xF) != 0xA) {
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instance->btn = 0x2 << 4 | ((btn >> 4) & 0xF);
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} else if(((btn >> 8) & 0xF) != 0xA) {
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instance->btn = 0x3 << 4 | ((btn >> 8) & 0xF);
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} else if(((btn >> 12) & 0xF) != 0xA) {
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instance->btn = 0x4 << 4 | ((btn >> 12) & 0xF);
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} else {
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instance->btn = 0;
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}
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} else {
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instance->serial = 0;
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instance->btn = 0;
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instance->cnt = 0;
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}
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}
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uint8_t subghz_protocol_decoder_holtek_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* 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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SubGhzProtocolStatus subghz_protocol_decoder_holtek_serialize(
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void* context,
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FlipperFormat* flipper_format,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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SubGhzProtocolStatus
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subghz_protocol_decoder_holtek_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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return subghz_block_generic_deserialize_check_count_bit(
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&instance->generic, flipper_format, subghz_protocol_holtek_const.min_count_bit_for_found);
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}
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void subghz_protocol_decoder_holtek_get_string(void* context, FuriString* output) {
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furi_assert(context);
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SubGhzProtocolDecoderHoltek* instance = context;
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subghz_protocol_holtek_check_remote_controller(&instance->generic);
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furi_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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"Sn:0x%05lX Btn:%X ",
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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) & 0xFFFFFFFF),
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(uint32_t)(instance->generic.data & 0xFFFFFFFF),
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instance->generic.serial,
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instance->generic.btn >> 4);
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if((instance->generic.btn & 0xF) == 0xE) {
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furi_string_cat_printf(output, "ON\r\n");
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} else if(((instance->generic.btn & 0xF) == 0xB)) {
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furi_string_cat_printf(output, "OFF\r\n");
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}
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}
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