mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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c1bb10a694
* WS: add protocol Acurite-606TX * WS: history, added display of the channel (if any) in the general list * WS: added display of the button state if it is on the transmitter, and displaying the data that is in the signal * WS: fix batt info * WS: add protocol LaCrosse_TX141THBv2 * WS; fix syntax * Furi: bump api_symbols version Co-authored-by: あく <alleteam@gmail.com>
262 lines
9.5 KiB
C
262 lines
9.5 KiB
C
#include "nexus_th.h"
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#define TAG "WSProtocolNexus_TH"
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/*
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* Help
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* https://github.com/merbanan/rtl_433/blob/ef2d37cf51e3264d11cde9149ef87de2f0a4d37a/src/devices/nexus.c
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*
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* Nexus sensor protocol with ID, temperature and optional humidity
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* also FreeTec (Pearl) NC-7345 sensors for FreeTec Weatherstation NC-7344,
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* also infactory/FreeTec (Pearl) NX-3980 sensors for infactory/FreeTec NX-3974 station,
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* also Solight TE82S sensors for Solight TE76/TE82/TE83/TE84 stations,
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* also TFA 30.3209.02 temperature/humidity sensor.
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* The sensor sends 36 bits 12 times,
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* the packets are ppm modulated (distance coding) with a pulse of ~500 us
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* followed by a short gap of ~1000 us for a 0 bit or a long ~2000 us gap for a
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* 1 bit, the sync gap is ~4000 us.
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* The data is grouped in 9 nibbles:
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* [id0] [id1] [flags] [temp0] [temp1] [temp2] [const] [humi0] [humi1]
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* - The 8-bit id changes when the battery is changed in the sensor.
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* - flags are 4 bits B 0 C C, where B is the battery status: 1=OK, 0=LOW
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* - and CC is the channel: 0=CH1, 1=CH2, 2=CH3
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* - temp is 12 bit signed scaled by 10
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* - const is always 1111 (0x0F)
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* - humidity is 8 bits
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* The sensors can be bought at Clas Ohlsen (Nexus) and Pearl (infactory/FreeTec).
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*
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*/
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#define NEXUS_TH_CONST_DATA 0b1111
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static const SubGhzBlockConst ws_protocol_nexus_th_const = {
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.te_short = 500,
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.te_long = 2000,
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.te_delta = 150,
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.min_count_bit_for_found = 36,
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};
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struct WSProtocolDecoderNexus_TH {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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WSBlockGeneric generic;
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};
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struct WSProtocolEncoderNexus_TH {
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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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Nexus_THDecoderStepReset = 0,
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Nexus_THDecoderStepSaveDuration,
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Nexus_THDecoderStepCheckDuration,
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} Nexus_THDecoderStep;
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const SubGhzProtocolDecoder ws_protocol_nexus_th_decoder = {
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.alloc = ws_protocol_decoder_nexus_th_alloc,
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.free = ws_protocol_decoder_nexus_th_free,
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.feed = ws_protocol_decoder_nexus_th_feed,
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.reset = ws_protocol_decoder_nexus_th_reset,
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.get_hash_data = ws_protocol_decoder_nexus_th_get_hash_data,
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.serialize = ws_protocol_decoder_nexus_th_serialize,
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.deserialize = ws_protocol_decoder_nexus_th_deserialize,
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.get_string = ws_protocol_decoder_nexus_th_get_string,
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};
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const SubGhzProtocolEncoder ws_protocol_nexus_th_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_nexus_th = {
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.name = WS_PROTOCOL_NEXUS_TH_NAME,
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.type = SubGhzProtocolWeatherStation,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
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SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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.decoder = &ws_protocol_nexus_th_decoder,
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.encoder = &ws_protocol_nexus_th_encoder,
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};
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void* ws_protocol_decoder_nexus_th_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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WSProtocolDecoderNexus_TH* instance = malloc(sizeof(WSProtocolDecoderNexus_TH));
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instance->base.protocol = &ws_protocol_nexus_th;
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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_nexus_th_free(void* context) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* instance = context;
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free(instance);
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}
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void ws_protocol_decoder_nexus_th_reset(void* context) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* instance = context;
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instance->decoder.parser_step = Nexus_THDecoderStepReset;
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}
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static bool ws_protocol_nexus_th_check(WSProtocolDecoderNexus_TH* instance) {
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uint8_t type = (instance->decoder.decode_data >> 8) & 0x0F;
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if((type == NEXUS_TH_CONST_DATA) && ((instance->decoder.decode_data >> 4) != 0xffffffff)) {
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return true;
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} else {
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return false;
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}
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return true;
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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_nexus_th_remote_controller(WSBlockGeneric* instance) {
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instance->id = (instance->data >> 28) & 0xFF;
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instance->battery_low = !((instance->data >> 27) & 1);
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instance->channel = ((instance->data >> 24) & 0x03) + 1;
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instance->btn = WS_NO_BTN;
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if(!((instance->data >> 23) & 1)) {
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instance->temp = (float)((instance->data >> 12) & 0x07FF) / 10.0f;
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} else {
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instance->temp = (float)((~(instance->data >> 12) & 0x07FF) + 1) / -10.0f;
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}
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instance->humidity = instance->data & 0xFF;
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}
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void ws_protocol_decoder_nexus_th_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* instance = context;
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switch(instance->decoder.parser_step) {
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case Nexus_THDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, ws_protocol_nexus_th_const.te_short * 8) <
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ws_protocol_nexus_th_const.te_delta * 4)) {
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//Found sync
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instance->decoder.parser_step = Nexus_THDecoderStepSaveDuration;
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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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break;
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case Nexus_THDecoderStepSaveDuration:
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if(level) {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = Nexus_THDecoderStepCheckDuration;
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} else {
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instance->decoder.parser_step = Nexus_THDecoderStepReset;
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}
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break;
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case Nexus_THDecoderStepCheckDuration:
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if(!level) {
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if(DURATION_DIFF(duration, ws_protocol_nexus_th_const.te_short * 8) <
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ws_protocol_nexus_th_const.te_delta * 4) {
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//Found sync
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instance->decoder.parser_step = Nexus_THDecoderStepReset;
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if((instance->decoder.decode_count_bit ==
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ws_protocol_nexus_th_const.min_count_bit_for_found) &&
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ws_protocol_nexus_th_check(instance)) {
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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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ws_protocol_nexus_th_remote_controller(&instance->generic);
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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.parser_step = Nexus_THDecoderStepCheckDuration;
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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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break;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, ws_protocol_nexus_th_const.te_short) <
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ws_protocol_nexus_th_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_nexus_th_const.te_short * 2) <
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ws_protocol_nexus_th_const.te_delta * 2)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = Nexus_THDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, ws_protocol_nexus_th_const.te_short) <
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ws_protocol_nexus_th_const.te_delta) &&
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(DURATION_DIFF(duration, ws_protocol_nexus_th_const.te_short * 4) <
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ws_protocol_nexus_th_const.te_delta * 4)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = Nexus_THDecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = Nexus_THDecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = Nexus_THDecoderStepReset;
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}
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break;
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}
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}
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uint8_t ws_protocol_decoder_nexus_th_get_hash_data(void* context) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* 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 ws_protocol_decoder_nexus_th_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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WSProtocolDecoderNexus_TH* instance = context;
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return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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bool ws_protocol_decoder_nexus_th_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* instance = context;
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bool ret = false;
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do {
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if(!ws_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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ws_protocol_nexus_th_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 ws_protocol_decoder_nexus_th_get_string(void* context, FuriString* output) {
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furi_assert(context);
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WSProtocolDecoderNexus_TH* instance = context;
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furi_string_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%lX Ch:%d Bat:%d\r\n"
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"Temp:%d.%d C Hum:%d%%",
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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),
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instance->generic.id,
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instance->generic.channel,
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instance->generic.battery_low,
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(int16_t)instance->generic.temp,
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abs(((int16_t)(instance->generic.temp * 10) - (((int16_t)instance->generic.temp) * 10))),
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instance->generic.humidity);
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}
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