[FL-2230] SubGhz: protocol API refactoring (#969)
* SubGhz: protocols library refactoring * SubGhz: new architecture and refactoring * SubGhz: simplify protocol structure, remove unused types * SubGhz: rename Subghz to SubGhz * SubGhz: add environment concept Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com> Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
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Skorpionm
GitHub
268
lib/subghz/protocols/kia.c
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268
lib/subghz/protocols/kia.c
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#include "kia.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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#define TAG "SubGhzProtocoKIA"
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static const SubGhzBlockConst subghz_protocol_kia_const = {
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.te_short = 250,
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.te_long = 500,
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.te_delta = 100,
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.min_count_bit_for_found = 60,
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};
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struct SubGhzProtocolDecoderKIA {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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uint16_t header_count;
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};
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struct SubGhzProtocolEncoderKIA {
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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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KIADecoderStepReset = 0,
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KIADecoderStepCheckPreambula,
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KIADecoderStepSaveDuration,
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KIADecoderStepCheckDuration,
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} KIADecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_kia_decoder = {
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.alloc = subghz_protocol_decoder_kia_alloc,
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.free = subghz_protocol_decoder_kia_free,
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.feed = subghz_protocol_decoder_kia_feed,
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.reset = subghz_protocol_decoder_kia_reset,
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.get_hash_data = subghz_protocol_decoder_kia_get_hash_data,
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.serialize = subghz_protocol_decoder_kia_serialize,
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.deserialize = subghz_protocol_decoder_kia_deserialize,
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.get_string = subghz_protocol_decoder_kia_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_kia_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_kia = {
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.name = SUBGHZ_PROTOCOL_KIA_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_FM | SubGhzProtocolFlag_Decodable,
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.decoder = &subghz_protocol_kia_decoder,
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.encoder = &subghz_protocol_kia_encoder,
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};
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void* subghz_protocol_decoder_kia_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolDecoderKIA* instance = malloc(sizeof(SubGhzProtocolDecoderKIA));
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instance->base.protocol = &subghz_protocol_kia;
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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_kia_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_kia_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* instance = context;
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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void subghz_protocol_decoder_kia_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* instance = context;
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switch(instance->decoder.parser_step) {
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case KIADecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta)) {
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instance->decoder.parser_step = KIADecoderStepCheckPreambula;
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instance->decoder.te_last = duration;
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instance->header_count = 0;
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}
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break;
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case KIADecoderStepCheckPreambula:
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if(!level) {
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if((DURATION_DIFF(duration, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta) ||
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(DURATION_DIFF(duration, subghz_protocol_kia_const.te_long) <
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subghz_protocol_kia_const.te_delta)) {
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instance->decoder.te_last = duration;
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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} else if(
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(DURATION_DIFF(duration, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta) &&
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta)) {
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// Found header
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instance->header_count++;
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break;
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} else if(
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(DURATION_DIFF(duration, subghz_protocol_kia_const.te_long) <
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subghz_protocol_kia_const.te_delta) &&
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_kia_const.te_long) <
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subghz_protocol_kia_const.te_delta)) {
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// Found start bit
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if(instance->header_count > 15) {
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instance->decoder.parser_step = KIADecoderStepSaveDuration;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 1;
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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break;
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case KIADecoderStepSaveDuration:
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if(!level) {
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if(duration >=
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(subghz_protocol_kia_const.te_long + subghz_protocol_kia_const.te_delta * 2)) {
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//Found stop bit
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instance->decoder.parser_step = KIADecoderStepReset;
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if(instance->decoder.decode_count_bit >=
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subghz_protocol_kia_const.min_count_bit_for_found) {
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instance->generic.data = instance->decoder.decode_data;
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instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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}
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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 {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = KIADecoderStepCheckDuration;
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}
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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break;
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case KIADecoderStepCheckDuration:
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if(level) {
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if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta) &&
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(DURATION_DIFF(duration, subghz_protocol_kia_const.te_short) <
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subghz_protocol_kia_const.te_delta)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 0);
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instance->decoder.parser_step = KIADecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_kia_const.te_long) <
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subghz_protocol_kia_const.te_delta) &&
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(DURATION_DIFF(duration, subghz_protocol_kia_const.te_long) <
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subghz_protocol_kia_const.te_delta)) {
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subghz_protocol_blocks_add_bit(&instance->decoder, 1);
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instance->decoder.parser_step = KIADecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = KIADecoderStepReset;
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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_kia_crc8(uint8_t* data, size_t len) {
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uint8_t crc = 0x08;
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size_t i, j;
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for(i = 0; i < len; i++) {
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crc ^= data[i];
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for(j = 0; j < 8; j++) {
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if((crc & 0x80) != 0)
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crc = (uint8_t)((crc << 1) ^ 0x7F);
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else
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crc <<= 1;
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}
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}
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return crc;
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}
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/** Analysis of received data
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*
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* @param instance SubGhzProtocolKIA instance
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*/
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static void subghz_protocol_kia_check_remote_controller(SubGhzBlockGeneric* instance) {
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/*
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* 0x0F 0112 43B04EC 1 7D
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* 0x0F 0113 43B04EC 1 DF
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* 0x0F 0114 43B04EC 1 30
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* 0x0F 0115 43B04EC 2 13
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* 0x0F 0116 43B04EC 3 F5
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* CNT Serial K CRC8 Kia (CRC8, poly 0x7f, start_crc 0x08)
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*/
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instance->serial = (uint32_t)((instance->data >> 12) & 0x0FFFFFFF);
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instance->btn = (instance->data >> 8) & 0x0F;
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instance->cnt = (instance->data >> 40) & 0xFFFF;
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}
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uint8_t subghz_protocol_decoder_kia_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* 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_kia_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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SubGhzProtocolDecoderKIA* 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_kia_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* 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_kia_get_string(void* context, string_t output) {
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furi_assert(context);
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SubGhzProtocolDecoderKIA* instance = context;
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subghz_protocol_kia_check_remote_controller(&instance->generic);
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uint32_t code_found_hi = instance->generic.data >> 32;
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uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
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string_cat_printf(
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output,
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"%s %dbit\r\n"
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"Key:%08lX%08lX\r\n"
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"Sn:%07lX Btn:%lX Cnt:%04X\r\n",
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instance->generic.protocol_name,
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instance->generic.data_count_bit,
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code_found_hi,
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code_found_lo,
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instance->generic.serial,
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instance->generic.btn,
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instance->generic.cnt);
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}
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