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https://github.com/Next-Flip/Momentum-Firmware.git
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29df6adb34
* Added EmosE601x and Acurite 5in1 WS * fix descr * Add string_brief placeholder * Keep close to other WS protocols * Update changelog * Format --------- Co-authored-by: Willy-JL <49810075+Willy-JL@users.noreply.github.com>
270 lines
9.6 KiB
C
270 lines
9.6 KiB
C
#include "emos_e601x.h"
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#define TAG "WSProtocolEmosE601x"
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/*
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* Help
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* https://github.com/merbanan/rtl_433/blob/master/src/devices/emos_e6016.c
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*
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* Data Layout:
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*
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* PP PP PP II ?K KK KK KK CT TT HH SS DF XX RR
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*
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* - P: (24 bit) preamble
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* - I: (8 bit) ID
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* - ?: (2 bit) unknown
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* - K: (32 bit) datetime, fields are 6d-4d-5d 5d:6d:6d
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* - C: (2 bit) channel
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* - T: (12 bit) temperature, signed, scale 10
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* - H: (8 bit) humidity
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* - S: (8 bit) wind speed
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* - D: (4 bit) wind direction
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* - F: (4 bit) flags of (?B??), B is battery good indication
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* - X: (8 bit) checksum
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* - R: (8 bit) repeat counter
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*/
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static const SubGhzBlockConst ws_protocol_emose601x_const = {
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.te_short = 260,
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.te_long = 800,
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.te_delta = 100,
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.min_count_bit_for_found = 24,
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};
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#define MAGIC_HEADER 0xaaa583
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struct WSProtocolDecoderEmosE601x {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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WSBlockGeneric generic;
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uint64_t upper_decode_data;
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};
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struct WSProtocolEncoderEmosE601x {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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WSBlockGeneric generic;
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};
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typedef enum {
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EmosE601xDecoderStepReset = 0,
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EmosE601xDecoderStepCheckPreamble,
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EmosE601xDecoderStepSaveDuration,
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EmosE601xDecoderStepCheckDuration,
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} EmosE601xDecoderStep;
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const SubGhzProtocolDecoder ws_protocol_emose601x_decoder = {
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.alloc = ws_protocol_decoder_emose601x_alloc,
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.free = ws_protocol_decoder_emose601x_free,
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.feed = ws_protocol_decoder_emose601x_feed,
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.reset = ws_protocol_decoder_emose601x_reset,
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.get_hash_data = NULL,
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.get_hash_data_long = ws_protocol_decoder_emose601x_get_hash_data,
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.serialize = ws_protocol_decoder_emose601x_serialize,
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.deserialize = ws_protocol_decoder_emose601x_deserialize,
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.get_string = ws_protocol_decoder_emose601x_get_string,
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.get_string_brief = NULL,
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};
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const SubGhzProtocolEncoder ws_protocol_emose601x_encoder = {
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.alloc = NULL,
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.free = NULL,
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.deserialize = NULL,
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.stop = NULL,
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.yield = NULL,
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};
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const SubGhzProtocol ws_protocol_emose601x = {
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.name = WS_PROTOCOL_EMOSE601X_NAME,
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.type = SubGhzProtocolTypeStatic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load |
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SubGhzProtocolFlag_Save,
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.decoder = &ws_protocol_emose601x_decoder,
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.encoder = &ws_protocol_emose601x_encoder,
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.filter = SubGhzProtocolFilter_Weather,
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};
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void* ws_protocol_decoder_emose601x_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderEmosE601x* instance = malloc(sizeof(WSProtocolDecoderEmosE601x));
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instance->base.protocol = &ws_protocol_emose601x;
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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 ws_protocol_decoder_emose601x_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_emose601x_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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instance->decoder.parser_step = EmosE601xDecoderStepReset;
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}
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static bool ws_protocol_emose601x_check(WSProtocolDecoderEmosE601x* instance) {
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uint8_t msg[] = {
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instance->upper_decode_data >> 48,
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instance->upper_decode_data >> 40,
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instance->upper_decode_data >> 32,
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instance->upper_decode_data >> 24,
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instance->upper_decode_data >> 16,
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instance->upper_decode_data >> 8,
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instance->upper_decode_data,
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instance->decoder.decode_data >> 56,
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instance->decoder.decode_data >> 48,
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instance->decoder.decode_data >> 40,
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instance->decoder.decode_data >> 32,
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instance->decoder.decode_data >> 24,
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instance->decoder.decode_data >> 16};
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uint8_t sum = subghz_protocol_blocks_add_bytes(msg, 13);
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return (sum == ((instance->decoder.decode_data >> 8) & 0xff));
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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 WSBlockGeneric* instance
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*/
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static void ws_protocol_emose601x_extract_data(WSProtocolDecoderEmosE601x* instance) {
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instance->generic.id = (instance->upper_decode_data >> 24) & 0xff;
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instance->generic.battery_low = (instance->decoder.decode_data >> 10) & 1;
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instance->generic.btn = WS_NO_BTN;
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int16_t temp = (instance->decoder.decode_data >> 40) & 0xfff;
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/* Handle signed data */
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if(temp & 0x800) {
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temp |= 0xf000;
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}
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instance->generic.temp = (float)temp / 10.0;
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instance->generic.humidity = (instance->decoder.decode_data >> 32) & 0xff;
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instance->generic.channel = (instance->decoder.decode_data >> 52) & 0x03;
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instance->generic.data = (instance->decoder.decode_data >> 16);
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}
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void ws_protocol_decoder_emose601x_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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switch(instance->decoder.parser_step) {
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case EmosE601xDecoderStepReset:
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if((level) && (DURATION_DIFF(duration, ws_protocol_emose601x_const.te_short * 7) <
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ws_protocol_emose601x_const.te_delta * 2)) {
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instance->decoder.parser_step = EmosE601xDecoderStepCheckPreamble;
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instance->decoder.te_last = duration;
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}
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break;
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case EmosE601xDecoderStepCheckPreamble:
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if(level) {
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instance->decoder.te_last = duration;
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} else {
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if((DURATION_DIFF(instance->decoder.te_last, ws_protocol_emose601x_const.te_short * 7) <
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ws_protocol_emose601x_const.te_delta * 2) &&
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(DURATION_DIFF(duration, ws_protocol_emose601x_const.te_short) <
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ws_protocol_emose601x_const.te_delta)) {
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//Found preamble
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instance->decoder.parser_step = EmosE601xDecoderStepSaveDuration;
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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 = EmosE601xDecoderStepReset;
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}
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}
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break;
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case EmosE601xDecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = EmosE601xDecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = EmosE601xDecoderStepReset;
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}
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break;
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case EmosE601xDecoderStepCheckDuration:
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if(!level) {
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if((DURATION_DIFF(instance->decoder.te_last, ws_protocol_emose601x_const.te_short) <
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ws_protocol_emose601x_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_emose601x_const.te_long) <
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ws_protocol_emose601x_const.te_delta)) {
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subghz_protocol_blocks_add_to_128_bit(
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&instance->decoder, 0, &instance->upper_decode_data);
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instance->decoder.parser_step = EmosE601xDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, ws_protocol_emose601x_const.te_long) <
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ws_protocol_emose601x_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_emose601x_const.te_short) <
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ws_protocol_emose601x_const.te_delta)) {
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subghz_protocol_blocks_add_to_128_bit(
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&instance->decoder, 1, &instance->upper_decode_data);
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instance->decoder.parser_step = EmosE601xDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = EmosE601xDecoderStepReset;
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break;
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}
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/* Bail out if the header doesn't match */
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if(instance->decoder.decode_count_bit ==
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ws_protocol_emose601x_const.min_count_bit_for_found) {
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if(instance->decoder.decode_data != MAGIC_HEADER) {
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instance->decoder.parser_step = EmosE601xDecoderStepReset;
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break;
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}
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}
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if(instance->decoder.decode_count_bit == 120) {
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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if(ws_protocol_emose601x_check(instance)) {
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ws_protocol_emose601x_extract_data(instance);
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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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break;
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}
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} else {
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instance->decoder.parser_step = EmosE601xDecoderStepReset;
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}
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break;
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}
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}
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uint32_t ws_protocol_decoder_emose601x_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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return subghz_protocol_blocks_get_hash_data_long(
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&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
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}
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SubGhzProtocolStatus ws_protocol_decoder_emose601x_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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WSProtocolDecoderEmosE601x* instance = context;
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return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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SubGhzProtocolStatus
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ws_protocol_decoder_emose601x_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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return ws_block_generic_deserialize_check_count_bit(
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&instance->generic, flipper_format, ws_protocol_emose601x_const.min_count_bit_for_found);
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}
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void ws_protocol_decoder_emose601x_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderEmosE601x* instance = context;
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ws_block_generic_get_string(&instance->generic, output);
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}
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