 72ca6b25e9
			
		
	
	
		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>
		
			
				
	
	
		
			240 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			240 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "acurite_606tx.h"
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| 
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| #define TAG "WSProtocolAcurite_606TX"
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| 
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| /*
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|  * Help
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|  * https://github.com/merbanan/rtl_433/blob/5bef4e43133ac4c0e2d18d36f87c52b4f9458453/src/devices/acurite.c#L1644
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|  * 
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|  *     0000 1111 | 0011 0000 | 0101 1100 | 1110 0111
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|  *     iiii iiii | buuu tttt | tttt tttt | cccc cccc
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|  * - i: identification; changes on battery switch
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|  * - c: lfsr_digest8;
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|  * - u: unknown;
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|  * - b: battery low; flag to indicate low battery voltage
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|  * - t: Temperature; in °C
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|  * 
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|  */
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| 
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| static const SubGhzBlockConst ws_protocol_acurite_606tx_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 = 32,
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| };
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| 
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| struct WSProtocolDecoderAcurite_606TX {
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|     SubGhzProtocolDecoderBase base;
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| 
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|     SubGhzBlockDecoder decoder;
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|     WSBlockGeneric generic;
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| };
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| 
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| struct WSProtocolEncoderAcurite_606TX {
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|     SubGhzProtocolEncoderBase base;
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| 
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|     SubGhzProtocolBlockEncoder encoder;
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|     WSBlockGeneric generic;
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| };
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| 
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| typedef enum {
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|     Acurite_606TXDecoderStepReset = 0,
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|     Acurite_606TXDecoderStepSaveDuration,
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|     Acurite_606TXDecoderStepCheckDuration,
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| } Acurite_606TXDecoderStep;
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| 
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| const SubGhzProtocolDecoder ws_protocol_acurite_606tx_decoder = {
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|     .alloc = ws_protocol_decoder_acurite_606tx_alloc,
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|     .free = ws_protocol_decoder_acurite_606tx_free,
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| 
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|     .feed = ws_protocol_decoder_acurite_606tx_feed,
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|     .reset = ws_protocol_decoder_acurite_606tx_reset,
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| 
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|     .get_hash_data = ws_protocol_decoder_acurite_606tx_get_hash_data,
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|     .serialize = ws_protocol_decoder_acurite_606tx_serialize,
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|     .deserialize = ws_protocol_decoder_acurite_606tx_deserialize,
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|     .get_string = ws_protocol_decoder_acurite_606tx_get_string,
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| };
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| 
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| const SubGhzProtocolEncoder ws_protocol_acurite_606tx_encoder = {
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|     .alloc = NULL,
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|     .free = NULL,
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| 
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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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| 
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| const SubGhzProtocol ws_protocol_acurite_606tx = {
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|     .name = WS_PROTOCOL_ACURITE_606TX_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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| 
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|     .decoder = &ws_protocol_acurite_606tx_decoder,
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|     .encoder = &ws_protocol_acurite_606tx_encoder,
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| };
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| 
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| void* ws_protocol_decoder_acurite_606tx_alloc(SubGhzEnvironment* environment) {
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|     UNUSED(environment);
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|     WSProtocolDecoderAcurite_606TX* instance = malloc(sizeof(WSProtocolDecoderAcurite_606TX));
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|     instance->base.protocol = &ws_protocol_acurite_606tx;
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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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| 
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| void ws_protocol_decoder_acurite_606tx_free(void* context) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* instance = context;
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|     free(instance);
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| }
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| 
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| void ws_protocol_decoder_acurite_606tx_reset(void* context) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* instance = context;
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|     instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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| }
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| 
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| static bool ws_protocol_acurite_606tx_check(WSProtocolDecoderAcurite_606TX* instance) {
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|     if(!instance->decoder.decode_data) return false;
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|     uint8_t msg[] = {
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|         instance->decoder.decode_data >> 24,
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|         instance->decoder.decode_data >> 16,
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|         instance->decoder.decode_data >> 8};
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| 
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|     uint8_t crc = subghz_protocol_blocks_lfsr_digest8(msg, 3, 0x98, 0xF1);
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|     return (crc == (instance->decoder.decode_data & 0xFF));
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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 WSBlockGeneric* instance
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|  */
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| static void ws_protocol_acurite_606tx_remote_controller(WSBlockGeneric* instance) {
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|     instance->id = (instance->data >> 24) & 0xFF;
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|     instance->battery_low = (instance->data >> 23) & 1;
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| 
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|     instance->channel = WS_NO_CHANNEL;
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| 
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|     if(!((instance->data >> 19) & 1)) {
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|         instance->temp = (float)((instance->data >> 8) & 0x07FF) / 10.0f;
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|     } else {
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|         instance->temp = (float)((~(instance->data >> 8) & 0x07FF) + 1) / -10.0f;
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|     }
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|     instance->btn = WS_NO_BTN;
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|     instance->humidity = WS_NO_HUMIDITY;
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| }
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| 
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| void ws_protocol_decoder_acurite_606tx_feed(void* context, bool level, uint32_t duration) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* instance = context;
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| 
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|     switch(instance->decoder.parser_step) {
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|     case Acurite_606TXDecoderStepReset:
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|         if((!level) && (DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_short * 17) <
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|                         ws_protocol_acurite_606tx_const.te_delta * 8)) {
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|             //Found syncPrefix
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|             instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration;
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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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| 
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|     case Acurite_606TXDecoderStepSaveDuration:
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|         if(level) {
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|             instance->decoder.te_last = duration;
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|             instance->decoder.parser_step = Acurite_606TXDecoderStepCheckDuration;
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|         } else {
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|             instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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|         }
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|         break;
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| 
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|     case Acurite_606TXDecoderStepCheckDuration:
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|         if(!level) {
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|             if(DURATION_DIFF(instance->decoder.te_last, ws_protocol_acurite_606tx_const.te_short) <
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|                ws_protocol_acurite_606tx_const.te_delta) {
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|                 if((DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_short) <
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|                     ws_protocol_acurite_606tx_const.te_delta) ||
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|                    (duration > ws_protocol_acurite_606tx_const.te_long * 3)) {
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|                     //Found syncPostfix
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|                     instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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|                     if((instance->decoder.decode_count_bit ==
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|                         ws_protocol_acurite_606tx_const.min_count_bit_for_found) &&
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|                        ws_protocol_acurite_606tx_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_acurite_606tx_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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|                     }
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|                     instance->decoder.decode_data = 0;
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|                     instance->decoder.decode_count_bit = 0;
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|                 } else if(
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|                     DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_long) <
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|                     ws_protocol_acurite_606tx_const.te_delta * 2) {
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|                     subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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|                     instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration;
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|                 } else if(
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|                     DURATION_DIFF(duration, ws_protocol_acurite_606tx_const.te_long * 2) <
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|                     ws_protocol_acurite_606tx_const.te_delta * 4) {
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|                     subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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|                     instance->decoder.parser_step = Acurite_606TXDecoderStepSaveDuration;
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|                 } else {
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|                     instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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|                 }
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|             } else {
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|                 instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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|             }
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|         } else {
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|             instance->decoder.parser_step = Acurite_606TXDecoderStepReset;
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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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| uint8_t ws_protocol_decoder_acurite_606tx_get_hash_data(void* context) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* 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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| 
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| SubGhzProtocolStatus ws_protocol_decoder_acurite_606tx_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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|     WSProtocolDecoderAcurite_606TX* instance = context;
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|     return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
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| }
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| 
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| SubGhzProtocolStatus
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|     ws_protocol_decoder_acurite_606tx_deserialize(void* context, FlipperFormat* flipper_format) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* instance = context;
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|     return ws_block_generic_deserialize_check_count_bit(
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|         &instance->generic,
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|         flipper_format,
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|         ws_protocol_acurite_606tx_const.min_count_bit_for_found);
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| }
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| 
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| void ws_protocol_decoder_acurite_606tx_get_string(void* context, FuriString* output) {
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|     furi_assert(context);
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|     WSProtocolDecoderAcurite_606TX* 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:%3.1f 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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|         (double)instance->generic.temp,
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|         instance->generic.humidity);
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| }
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