SubGhz: add protocol Security+ 1.0 (#1197)
* SubGhz: add protocol Security+ 1.0 * SubGhz: Fix unit_test Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
		@@ -210,6 +210,7 @@ void subghz_protocol_decoder_princeton_reset(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderPrinceton* instance = context;
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    instance->decoder.parser_step = PrincetonDecoderStepReset;
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    instance->last_data = 0;
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}
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void subghz_protocol_decoder_princeton_feed(void* context, bool level, uint32_t duration) {
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@@ -8,6 +8,7 @@ const SubGhzProtocol* subghz_protocol_registry[] = {
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    &subghz_protocol_hormann,      &subghz_protocol_nero_radio, &subghz_protocol_somfy_telis,
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    &subghz_protocol_somfy_keytis, &subghz_protocol_scher_khan, &subghz_protocol_gate_tx,
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    &subghz_protocol_raw,          &subghz_protocol_firefly,    &subghz_protocol_secplus_v2,
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    &subghz_protocol_secplus_v1,
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};
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@@ -23,6 +23,7 @@
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#include "raw.h"
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#include "firefly.h"
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#include "secplus_v2.h"
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#include "secplus_v1.h"
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/**
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 * Registration by name SubGhzProtocol.
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										369
									
								
								lib/subghz/protocols/secplus_v1.c
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										369
									
								
								lib/subghz/protocols/secplus_v1.c
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,369 @@
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#include "secplus_v1.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://github.com/argilo/secplus
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* https://github.com/merbanan/rtl_433/blob/master/src/devices/secplus_v1.c
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*/
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#define TAG "SubGhzProtocoSecPlus_v1"
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#define SECPLUS_V1_BIT_ERR -1 //0b0000
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#define SECPLUS_V1_BIT_0 0 //0b0001
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#define SECPLUS_V1_BIT_1 1 //0b0011
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#define SECPLUS_V1_BIT_2 2 //0b0111
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#define SECPLUS_V1_PACKET_1_HEADER 0x00
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#define SECPLUS_V1_PACKET_2_HEADER 0x02
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#define SECPLUS_V1_PACKET_1_INDEX_BASE 0
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#define SECPLUS_V1_PACKET_2_INDEX_BASE 21
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#define SECPLUS_V1_PACKET_1_ACCEPTED (1 << 0)
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#define SECPLUS_V1_PACKET_2_ACCEPTED (1 << 1)
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static const SubGhzBlockConst subghz_protocol_secplus_v1_const = {
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    .te_short = 500,
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    .te_long = 1500,
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    .te_delta = 100,
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    .min_count_bit_for_found = 21,
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};
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struct SubGhzProtocolDecoderSecPlus_v1 {
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    SubGhzProtocolDecoderBase base;
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    SubGhzBlockDecoder decoder;
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    SubGhzBlockGeneric generic;
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    uint8_t packet_accepted;
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    uint8_t base_packet_index;
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    uint8_t data_array[44];
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};
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struct SubGhzProtocolEncoderSecPlus_v1 {
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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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    SecPlus_v1DecoderStepReset = 0,
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    SecPlus_v1DecoderStepSearchStartBit,
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    SecPlus_v1DecoderStepSaveDuration,
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    SecPlus_v1DecoderStepDecoderData,
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} SecPlus_v1DecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_secplus_v1_decoder = {
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    .alloc = subghz_protocol_decoder_secplus_v1_alloc,
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    .free = subghz_protocol_decoder_secplus_v1_free,
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    .feed = subghz_protocol_decoder_secplus_v1_feed,
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    .reset = subghz_protocol_decoder_secplus_v1_reset,
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    .get_hash_data = subghz_protocol_decoder_secplus_v1_get_hash_data,
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    .serialize = subghz_protocol_decoder_secplus_v1_serialize,
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    .deserialize = subghz_protocol_decoder_secplus_v1_deserialize,
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    .get_string = subghz_protocol_decoder_secplus_v1_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_secplus_v1_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 subghz_protocol_secplus_v1 = {
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    .name = SUBGHZ_PROTOCOL_SECPLUS_V1_NAME,
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    .type = SubGhzProtocolTypeDynamic,
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    .flag = SubGhzProtocolFlag_315 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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    .decoder = &subghz_protocol_secplus_v1_decoder,
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    .encoder = &subghz_protocol_secplus_v1_encoder,
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};
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void* subghz_protocol_decoder_secplus_v1_alloc(SubGhzEnvironment* environment) {
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    SubGhzProtocolDecoderSecPlus_v1* instance = malloc(sizeof(SubGhzProtocolDecoderSecPlus_v1));
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    instance->base.protocol = &subghz_protocol_secplus_v1;
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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_secplus_v1_free(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    free(instance);
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}
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void subghz_protocol_decoder_secplus_v1_reset(void* context) {
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    furi_assert(context);
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    // SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    // does not reset the decoder because you need to get 2 parts of the package
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}
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/** 
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 * Security+ 1.0 half-message decoding
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 * @param instance SubGhzProtocolDecoderSecPlus_v1* 
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 */
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static void subghz_protocol_secplus_v1_decode(SubGhzProtocolDecoderSecPlus_v1* instance) {
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    uint32_t rolling = 0;
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    uint32_t fixed = 0;
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    uint32_t acc = 0;
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    uint8_t digit = 0;
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    //decode packet 1
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    for(uint8_t i = 1; i < 21; i += 2) {
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        digit = instance->data_array[i];
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        rolling = (rolling * 3) + digit;
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        acc += digit;
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        digit = (60 + instance->data_array[i + 1] - acc) % 3;
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        fixed = (fixed * 3) + digit;
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        acc += digit;
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    }
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    acc = 0;
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    //decode packet 2
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    for(uint8_t i = 22; i < 42; i += 2) {
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        digit = instance->data_array[i];
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        rolling = (rolling * 3) + digit;
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        acc += digit;
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        digit = (60 + instance->data_array[i + 1] - acc) % 3;
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        fixed = (fixed * 3) + digit;
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        acc += digit;
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    }
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    rolling = subghz_protocol_blocks_reverse_key(rolling, 32);
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    instance->generic.data = (uint64_t)fixed << 32 | rolling;
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    instance->generic.data_count_bit =
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        subghz_protocol_secplus_v1_const.min_count_bit_for_found * 2;
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}
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void subghz_protocol_decoder_secplus_v1_feed(void* context, bool level, uint32_t duration) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    switch(instance->decoder.parser_step) {
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    case SecPlus_v1DecoderStepReset:
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        if((!level) && (DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 120) <
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                        subghz_protocol_secplus_v1_const.te_delta * 120)) {
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            //Found header Security+ 1.0
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            instance->decoder.parser_step = SecPlus_v1DecoderStepSearchStartBit;
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            instance->decoder.decode_data = 0;
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            instance->decoder.decode_count_bit = 0;
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            instance->packet_accepted = 0;
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            memset(instance->data_array, 0, sizeof(instance->data_array));
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        }
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        break;
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    case SecPlus_v1DecoderStepSearchStartBit:
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        if(level) {
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            if(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short) <
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               subghz_protocol_secplus_v1_const.te_delta) {
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                instance->base_packet_index = SECPLUS_V1_PACKET_1_INDEX_BASE;
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                instance
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                    ->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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                    SECPLUS_V1_BIT_0;
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                instance->decoder.decode_count_bit++;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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            } else if(
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                DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_long) <
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                subghz_protocol_secplus_v1_const.te_delta) {
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                instance->base_packet_index = SECPLUS_V1_PACKET_2_INDEX_BASE;
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                instance
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                    ->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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                    SECPLUS_V1_BIT_2;
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                instance->decoder.decode_count_bit++;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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            } else {
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                instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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            }
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        } else {
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            instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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        }
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        break;
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    case SecPlus_v1DecoderStepSaveDuration:
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        if(!level) { //save interval
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            if(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 120) <
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               subghz_protocol_secplus_v1_const.te_delta * 120) {
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                if(instance->decoder.decode_count_bit ==
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                   subghz_protocol_secplus_v1_const.min_count_bit_for_found) {
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                    if(instance->base_packet_index == SECPLUS_V1_PACKET_1_INDEX_BASE)
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                        instance->packet_accepted |= SECPLUS_V1_PACKET_1_ACCEPTED;
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                    if(instance->base_packet_index == SECPLUS_V1_PACKET_2_INDEX_BASE)
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                        instance->packet_accepted |= SECPLUS_V1_PACKET_2_ACCEPTED;
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                    if(instance->packet_accepted ==
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                       (SECPLUS_V1_PACKET_1_ACCEPTED | SECPLUS_V1_PACKET_2_ACCEPTED)) {
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                        subghz_protocol_secplus_v1_decode(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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                        instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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                    }
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                }
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSearchStartBit;
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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.te_last = duration;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepDecoderData;
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            }
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        } else {
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            instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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        }
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        break;
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    case SecPlus_v1DecoderStepDecoderData:
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        if(level && (instance->decoder.decode_count_bit <=
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                     subghz_protocol_secplus_v1_const.min_count_bit_for_found)) {
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            if((DURATION_DIFF(
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                    instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short * 3) <
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                subghz_protocol_secplus_v1_const.te_delta * 3) &&
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               (DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short) <
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                subghz_protocol_secplus_v1_const.te_delta)) {
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                instance
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                    ->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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                    SECPLUS_V1_BIT_0;
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                instance->decoder.decode_count_bit++;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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            } else if(
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                (DURATION_DIFF(
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                     instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short * 2) <
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                 subghz_protocol_secplus_v1_const.te_delta * 2) &&
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                (DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 2) <
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                 subghz_protocol_secplus_v1_const.te_delta * 2)) {
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                instance
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                    ->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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                    SECPLUS_V1_BIT_1;
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                instance->decoder.decode_count_bit++;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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            } else if(
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                (DURATION_DIFF(
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                     instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short) <
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                 subghz_protocol_secplus_v1_const.te_delta) &&
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                (DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 3) <
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                 subghz_protocol_secplus_v1_const.te_delta * 3)) {
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                instance
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                    ->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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                    SECPLUS_V1_BIT_2;
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                instance->decoder.decode_count_bit++;
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                instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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            } else {
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                instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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            }
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        } else {
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            instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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        }
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        break;
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    }
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}
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uint8_t subghz_protocol_decoder_secplus_v1_get_hash_data(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    return subghz_protocol_blocks_get_hash_data(
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        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
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}
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bool subghz_protocol_decoder_secplus_v1_serialize(
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    void* context,
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    FlipperFormat* flipper_format,
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    uint32_t frequency,
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    FuriHalSubGhzPreset preset) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    return subghz_block_generic_serialize(&instance->generic, flipper_format, frequency, preset);
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}
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bool subghz_protocol_decoder_secplus_v1_deserialize(void* context, FlipperFormat* flipper_format) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    return subghz_block_generic_deserialize(&instance->generic, flipper_format);
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}
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void subghz_protocol_decoder_secplus_v1_get_string(void* context, string_t output) {
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    furi_assert(context);
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    SubGhzProtocolDecoderSecPlus_v1* instance = context;
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    uint32_t fixed = (instance->generic.data >> 32) & 0xFFFFFFFF;
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    instance->generic.cnt = instance->generic.data & 0xFFFFFFFF;
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    instance->generic.btn = fixed % 3;
 | 
			
		||||
    uint8_t id0 = (fixed / 3) % 3;
 | 
			
		||||
    uint8_t id1 = (fixed / 9) % 3;
 | 
			
		||||
    uint16_t pin = 0;
 | 
			
		||||
 | 
			
		||||
    string_cat_printf(
 | 
			
		||||
        output,
 | 
			
		||||
        "%s %db\r\n"
 | 
			
		||||
        "Key:0x%lX%08lX\r\n"
 | 
			
		||||
        "id1:%d id0:%d",
 | 
			
		||||
        instance->generic.protocol_name,
 | 
			
		||||
        instance->generic.data_count_bit,
 | 
			
		||||
        (uint32_t)(instance->generic.data >> 32),
 | 
			
		||||
        (uint32_t)instance->generic.data,
 | 
			
		||||
        id1,
 | 
			
		||||
        id0);
 | 
			
		||||
 | 
			
		||||
    if(id1 == 0) {
 | 
			
		||||
        // (fixed // 3**3) % (3**7)    3^3=27  3^73=72187
 | 
			
		||||
 | 
			
		||||
        instance->generic.serial = (fixed / 27) % 2187;
 | 
			
		||||
        // pin = (fixed // 3**10) % (3**9)  3^10=59049 3^9=19683
 | 
			
		||||
        pin = (fixed / 59049) % 19683;
 | 
			
		||||
 | 
			
		||||
        if(0 <= pin && pin <= 9999) {
 | 
			
		||||
            string_cat_printf(output, " pin:%d", pin);
 | 
			
		||||
        } else if(10000 <= pin && pin <= 11029) {
 | 
			
		||||
            string_cat_printf(output, " pin:enter");
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        int pin_suffix = 0;
 | 
			
		||||
        // pin_suffix = (fixed // 3**19) % 3   3^19=1162261467
 | 
			
		||||
        pin_suffix = (fixed / 1162261467) % 3;
 | 
			
		||||
 | 
			
		||||
        if(pin_suffix == 1) {
 | 
			
		||||
            string_cat_printf(output, " #\r\n");
 | 
			
		||||
        } else if(pin_suffix == 2) {
 | 
			
		||||
            string_cat_printf(output, " *\r\n");
 | 
			
		||||
        } else {
 | 
			
		||||
            string_cat_printf(output, "\r\n");
 | 
			
		||||
        }
 | 
			
		||||
        string_cat_printf(
 | 
			
		||||
            output,
 | 
			
		||||
            "Sn:0x%08lX\r\n"
 | 
			
		||||
            "Cnt:0x%03X\r\n"
 | 
			
		||||
            "Sw_id:0x%X\r\n",
 | 
			
		||||
            instance->generic.serial,
 | 
			
		||||
            instance->generic.cnt,
 | 
			
		||||
            instance->generic.btn);
 | 
			
		||||
    } else {
 | 
			
		||||
        //id = fixed / 27;
 | 
			
		||||
        instance->generic.serial = fixed / 27;
 | 
			
		||||
        if(instance->generic.btn == 1) {
 | 
			
		||||
            string_cat_printf(output, " Btn:left\r\n");
 | 
			
		||||
        } else if(instance->generic.btn == 0) {
 | 
			
		||||
            string_cat_printf(output, " Btn:middle\r\n");
 | 
			
		||||
        } else if(instance->generic.btn == 2) {
 | 
			
		||||
            string_cat_printf(output, " Btn:right\r\n");
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        string_cat_printf(
 | 
			
		||||
            output,
 | 
			
		||||
            "Sn:0x%08lX\r\n"
 | 
			
		||||
            "Cnt:0x%03X\r\n"
 | 
			
		||||
            "Sw_id:0x%X\r\n",
 | 
			
		||||
            instance->generic.serial,
 | 
			
		||||
            instance->generic.cnt,
 | 
			
		||||
            instance->generic.btn);
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
							
								
								
									
										74
									
								
								lib/subghz/protocols/secplus_v1.h
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										74
									
								
								lib/subghz/protocols/secplus_v1.h
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,74 @@
 | 
			
		||||
#pragma once
 | 
			
		||||
#include "base.h"
 | 
			
		||||
 | 
			
		||||
#define SUBGHZ_PROTOCOL_SECPLUS_V1_NAME "Security+ 1.0"
 | 
			
		||||
 | 
			
		||||
typedef struct SubGhzProtocolDecoderSecPlus_v1 SubGhzProtocolDecoderSecPlus_v1;
 | 
			
		||||
typedef struct SubGhzProtocolEncoderSecPlus_v1 SubGhzProtocolEncoderSecPlus_v1;
 | 
			
		||||
 | 
			
		||||
extern const SubGhzProtocolDecoder subghz_protocol_secplus_v1_decoder;
 | 
			
		||||
extern const SubGhzProtocolEncoder subghz_protocol_secplus_v1_encoder;
 | 
			
		||||
extern const SubGhzProtocol subghz_protocol_secplus_v1;
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Allocate SubGhzProtocolDecoderSecPlus_v1.
 | 
			
		||||
 * @param environment Pointer to a SubGhzEnvironment instance
 | 
			
		||||
 * @return SubGhzProtocolDecoderSecPlus_v1* pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 */
 | 
			
		||||
void* subghz_protocol_decoder_secplus_v1_alloc(SubGhzEnvironment* environment);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Free SubGhzProtocolDecoderSecPlus_v1.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 */
 | 
			
		||||
void subghz_protocol_decoder_secplus_v1_free(void* context);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Reset decoder SubGhzProtocolDecoderSecPlus_v1.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 */
 | 
			
		||||
void subghz_protocol_decoder_secplus_v1_reset(void* context);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Parse a raw sequence of levels and durations received from the air.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 * @param level Signal level true-high false-low
 | 
			
		||||
 * @param duration Duration of this level in, us
 | 
			
		||||
 */
 | 
			
		||||
void subghz_protocol_decoder_secplus_v1_feed(void* context, bool level, uint32_t duration);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Getting the hash sum of the last randomly received parcel.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 * @return hash Hash sum
 | 
			
		||||
 */
 | 
			
		||||
uint8_t subghz_protocol_decoder_secplus_v1_get_hash_data(void* context);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Serialize data SubGhzProtocolDecoderSecPlus_v1.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 * @param flipper_format Pointer to a FlipperFormat instance
 | 
			
		||||
 * @param frequency The frequency at which the signal was received, Hz
 | 
			
		||||
 * @param preset The modulation on which the signal was received, FuriHalSubGhzPreset
 | 
			
		||||
 * @return true On success
 | 
			
		||||
 */
 | 
			
		||||
bool subghz_protocol_decoder_secplus_v1_serialize(
 | 
			
		||||
    void* context,
 | 
			
		||||
    FlipperFormat* flipper_format,
 | 
			
		||||
    uint32_t frequency,
 | 
			
		||||
    FuriHalSubGhzPreset preset);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Deserialize data SubGhzProtocolDecoderSecPlus_v1.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 * @param flipper_format Pointer to a FlipperFormat instance
 | 
			
		||||
 * @return true On success
 | 
			
		||||
 */
 | 
			
		||||
bool subghz_protocol_decoder_secplus_v1_deserialize(void* context, FlipperFormat* flipper_format);
 | 
			
		||||
 | 
			
		||||
/**
 | 
			
		||||
 * Getting a textual representation of the received data.
 | 
			
		||||
 * @param context Pointer to a SubGhzProtocolDecoderSecPlus_v1 instance
 | 
			
		||||
 * @param output Resulting text
 | 
			
		||||
 */
 | 
			
		||||
void subghz_protocol_decoder_secplus_v1_get_string(void* context, string_t output);
 | 
			
		||||
		Reference in New Issue
	
	Block a user