mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-27 23:10:22 +00:00
617 lines
22 KiB
C
617 lines
22 KiB
C
#include "somfy_telis.h"
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#include <lib/toolbox/manchester_decoder.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 "SubGhzProtocolSomfyTelis"
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static const SubGhzBlockConst subghz_protocol_somfy_telis_const = {
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.te_short = 604,
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.te_long = 1208,
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.te_delta = 250,
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.min_count_bit_for_found = 56,
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};
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struct SubGhzProtocolDecoderSomfyTelis {
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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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ManchesterState manchester_saved_state;
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};
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struct SubGhzProtocolEncoderSomfyTelis {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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SubGhzKeystore* keystore;
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};
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typedef enum {
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SomfyTelisDecoderStepReset = 0,
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SomfyTelisDecoderStepCheckPreambula,
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SomfyTelisDecoderStepFoundPreambula,
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SomfyTelisDecoderStepStartDecode,
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SomfyTelisDecoderStepDecoderData,
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} SomfyTelisDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_somfy_telis_decoder = {
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.alloc = subghz_protocol_decoder_somfy_telis_alloc,
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.free = subghz_protocol_decoder_somfy_telis_free,
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.feed = subghz_protocol_decoder_somfy_telis_feed,
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.reset = subghz_protocol_decoder_somfy_telis_reset,
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.get_hash_data = subghz_protocol_decoder_somfy_telis_get_hash_data,
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.serialize = subghz_protocol_decoder_somfy_telis_serialize,
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.deserialize = subghz_protocol_decoder_somfy_telis_deserialize,
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.get_string = subghz_protocol_decoder_somfy_telis_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_somfy_telis_encoder = {
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.alloc = subghz_protocol_encoder_somfy_telis_alloc,
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.free = subghz_protocol_encoder_somfy_telis_free,
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.deserialize = subghz_protocol_encoder_somfy_telis_deserialize,
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.stop = subghz_protocol_encoder_somfy_telis_stop,
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.yield = subghz_protocol_encoder_somfy_telis_yield,
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};
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const SubGhzProtocol subghz_protocol_somfy_telis = {
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.name = SUBGHZ_PROTOCOL_SOMFY_TELIS_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_AM |
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SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_somfy_telis_decoder,
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.encoder = &subghz_protocol_somfy_telis_encoder,
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};
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void* subghz_protocol_encoder_somfy_telis_alloc(SubGhzEnvironment* environment) {
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SubGhzProtocolEncoderSomfyTelis* instance = malloc(sizeof(SubGhzProtocolEncoderSomfyTelis));
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instance->base.protocol = &subghz_protocol_somfy_telis;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->keystore = subghz_environment_get_keystore(environment);
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instance->encoder.repeat = 10;
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instance->encoder.size_upload = 400;
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instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
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instance->encoder.is_running = false;
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return instance;
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}
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void subghz_protocol_encoder_somfy_telis_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderSomfyTelis* instance = context;
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free(instance->encoder.upload);
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free(instance);
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}
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static bool
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subghz_protocol_somfy_telis_gen_data(SubGhzProtocolEncoderSomfyTelis* instance, uint8_t btn) {
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UNUSED(btn);
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uint64_t data = instance->generic.data ^ (instance->generic.data >> 8);
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instance->generic.btn = (data >> 44) & 0xF; // ctrl
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instance->generic.cnt = (data >> 24) & 0xFFFF; // rolling code
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instance->generic.serial = data & 0xFFFFFF; // address
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if(instance->generic.cnt < 0xFFFF) {
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instance->generic.cnt++;
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} else if(instance->generic.cnt >= 0xFFFF) {
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instance->generic.cnt = 0;
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}
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uint8_t frame[7];
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frame[0] = data >> 48;
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frame[1] = instance->generic.btn << 4;
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frame[2] = instance->generic.cnt >> 8;
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frame[3] = instance->generic.cnt;
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frame[4] = instance->generic.serial >> 16;
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frame[5] = instance->generic.serial >> 8;
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frame[6] = instance->generic.serial;
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uint8_t checksum = 0;
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for(uint8_t i = 0; i < 7; i++) {
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checksum = checksum ^ frame[i] ^ (frame[i] >> 4);
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}
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checksum &= 0xF;
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frame[1] |= checksum;
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for(uint8_t i = 1; i < 7; i++) {
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frame[i] ^= frame[i - 1];
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}
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data = 0;
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for(uint8_t i = 0; i < 7; ++i) {
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data <<= 8;
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data |= frame[i];
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}
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instance->generic.data = data;
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FURI_LOG_D(TAG, "New data: %llx", instance->generic.data);
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return true;
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}
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bool subghz_protocol_somfy_telis_create_data(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t serial,
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uint8_t btn,
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uint16_t cnt,
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SubGhzRadioPreset* preset) {
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furi_assert(context);
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SubGhzProtocolEncoderSomfyTelis* instance = context;
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instance->generic.serial = serial;
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instance->generic.cnt = cnt;
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instance->generic.data_count_bit = 56;
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bool res = subghz_protocol_somfy_telis_gen_data(instance, btn);
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if(res) {
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res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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return res;
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}
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/**
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* Generating an upload from data.
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* @param instance Pointer to a SubGhzProtocolEncoderKeeloq instance
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* @return true On success
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*/
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static bool subghz_protocol_encoder_somfy_telis_get_upload(
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SubGhzProtocolEncoderSomfyTelis* instance,
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uint8_t btn) {
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furi_assert(instance);
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//gen new key
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if(subghz_protocol_somfy_telis_gen_data(instance, btn)) {
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//ToDo if you need to add a callback to automatically update the data on the display
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} else {
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return false;
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}
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size_t index = 0;
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//Send header
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// Wake-up
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instance->encoder.upload[index++] = level_duration_make(true, 9415); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 89565); // 0
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//Hardware sync
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for(uint8_t i = 0; i < 2; ++i) {
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instance->encoder.upload[index++] = level_duration_make(true, 4 * 640); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 4 * 640); // 0
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}
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//Software sync
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instance->encoder.upload[index++] = level_duration_make(true, 4550); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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//Send key data MSB manchester
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for(uint8_t i = 0; i < instance->generic.data_count_bit; ++i) {
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if(bit_read(instance->generic.data, i)) {
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//send bit 1: 01 = 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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instance->encoder.upload[index++] = level_duration_make(true, 640); // 1
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} else {
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//send bit 0: 10 = 0
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instance->encoder.upload[index++] = level_duration_make(true, 640); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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}
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}
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//Inter-frame silence
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instance->encoder.upload[index++] = level_duration_make(false, 30415);
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for(uint8_t j = 0; j < 2; ++j) {
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//Hardware sync
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for(uint8_t i = 0; i < 7; ++i) {
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instance->encoder.upload[index++] = level_duration_make(true, 4 * 640); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 4 * 640); // 0
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}
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//Software sync
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instance->encoder.upload[index++] = level_duration_make(true, 4550); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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//Send key data MSB manchester
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for(uint8_t i = 0; i < instance->generic.data_count_bit; ++i) {
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if(bit_read(instance->generic.data, i)) {
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//send bit 1: 01 = 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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instance->encoder.upload[index++] = level_duration_make(true, 640); // 1
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} else {
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//send bit 0: 10 = 0
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instance->encoder.upload[index++] = level_duration_make(true, 640); // 1
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instance->encoder.upload[index++] = level_duration_make(false, 640); // 0
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}
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}
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//Inter-frame silence
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instance->encoder.upload[index++] = level_duration_make(false, 30415);
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}
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size_t size_upload = index;
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if(size_upload > instance->encoder.size_upload) {
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FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
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return false;
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} else {
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instance->encoder.size_upload = size_upload;
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}
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return true;
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}
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bool subghz_protocol_encoder_somfy_telis_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolEncoderSomfyTelis* instance = context;
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bool res = false;
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do {
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if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
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FURI_LOG_E(TAG, "Deserialize error");
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break;
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}
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//optional parameter parameter
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flipper_format_read_uint32(
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flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
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subghz_protocol_encoder_somfy_telis_get_upload(instance, instance->generic.btn);
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if(!flipper_format_rewind(flipper_format)) {
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FURI_LOG_E(TAG, "Rewind error");
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break;
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}
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uint8_t key_data[sizeof(uint64_t)] = {0};
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for(size_t i = 0; i < sizeof(uint64_t); i++) {
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key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> i * 8) & 0xFF;
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}
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if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
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FURI_LOG_E(TAG, "Unable to add Key");
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break;
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}
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instance->encoder.is_running = true;
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res = true;
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} while(false);
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return res;
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}
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void subghz_protocol_encoder_somfy_telis_stop(void* context) {
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SubGhzProtocolEncoderSomfyTelis* instance = context;
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instance->encoder.is_running = false;
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}
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LevelDuration subghz_protocol_encoder_somfy_telis_yield(void* context) {
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SubGhzProtocolEncoderSomfyTelis* instance = context;
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if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
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instance->encoder.is_running = false;
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return level_duration_reset();
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}
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LevelDuration ret = instance->encoder.upload[instance->encoder.front];
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if(++instance->encoder.front == instance->encoder.size_upload) {
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instance->encoder.repeat--;
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instance->encoder.front = 0;
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}
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return ret;
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}
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void* subghz_protocol_decoder_somfy_telis_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolDecoderSomfyTelis* instance = malloc(sizeof(SubGhzProtocolDecoderSomfyTelis));
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instance->base.protocol = &subghz_protocol_somfy_telis;
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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_somfy_telis_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderSomfyTelis* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_somfy_telis_reset(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderSomfyTelis* instance = context;
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instance->decoder.parser_step = SomfyTelisDecoderStepReset;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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}
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/**
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* Сhecksum calculation.
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* @param data Вata for checksum calculation
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* @return CRC
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*/
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static uint8_t subghz_protocol_somfy_telis_crc(uint64_t data) {
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uint8_t crc = 0;
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data &= 0xFFF0FFFFFFFFFF;
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for(uint8_t i = 0; i < 56; i += 8) {
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crc = crc ^ data >> i ^ (data >> (i + 4));
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}
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return crc & 0xf;
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}
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void subghz_protocol_decoder_somfy_telis_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderSomfyTelis* instance = context;
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ManchesterEvent event = ManchesterEventReset;
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switch(instance->decoder.parser_step) {
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case SomfyTelisDecoderStepReset:
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if((level) && DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
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subghz_protocol_somfy_telis_const.te_delta * 4) {
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instance->decoder.parser_step = SomfyTelisDecoderStepFoundPreambula;
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instance->header_count++;
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}
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break;
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case SomfyTelisDecoderStepFoundPreambula:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
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subghz_protocol_somfy_telis_const.te_delta * 4)) {
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instance->decoder.parser_step = SomfyTelisDecoderStepCheckPreambula;
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} else {
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instance->header_count = 0;
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instance->decoder.parser_step = SomfyTelisDecoderStepReset;
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}
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break;
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case SomfyTelisDecoderStepCheckPreambula:
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if(level) {
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if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
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subghz_protocol_somfy_telis_const.te_delta * 4) {
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instance->decoder.parser_step = SomfyTelisDecoderStepFoundPreambula;
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instance->header_count++;
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} else if(
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(instance->header_count > 1) &&
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(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 7) <
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subghz_protocol_somfy_telis_const.te_delta * 4)) {
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instance->decoder.parser_step = SomfyTelisDecoderStepDecoderData;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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instance->header_count = 0;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventLongHigh,
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&instance->manchester_saved_state,
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NULL);
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}
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}
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break;
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case SomfyTelisDecoderStepDecoderData:
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if(!level) {
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if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short) <
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subghz_protocol_somfy_telis_const.te_delta) {
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event = ManchesterEventShortLow;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_long) <
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subghz_protocol_somfy_telis_const.te_delta) {
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event = ManchesterEventLongLow;
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} else if(
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duration >= (subghz_protocol_somfy_telis_const.te_long +
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subghz_protocol_somfy_telis_const.te_delta)) {
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_somfy_telis_const.min_count_bit_for_found) {
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//check crc
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uint64_t data_tmp = instance->decoder.decode_data ^
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(instance->decoder.decode_data >> 8);
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if(((data_tmp >> 40) & 0xF) == subghz_protocol_somfy_telis_crc(data_tmp)) {
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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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}
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventReset,
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&instance->manchester_saved_state,
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NULL);
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manchester_advance(
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instance->manchester_saved_state,
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ManchesterEventLongHigh,
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&instance->manchester_saved_state,
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NULL);
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instance->decoder.parser_step = SomfyTelisDecoderStepReset;
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} else {
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instance->decoder.parser_step = SomfyTelisDecoderStepReset;
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}
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} else {
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if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short) <
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subghz_protocol_somfy_telis_const.te_delta) {
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event = ManchesterEventShortHigh;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_long) <
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subghz_protocol_somfy_telis_const.te_delta) {
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event = ManchesterEventLongHigh;
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} else {
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instance->decoder.parser_step = SomfyTelisDecoderStepReset;
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}
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}
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if(event != ManchesterEventReset) {
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bool data;
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bool data_ok = manchester_advance(
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instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
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if(data_ok) {
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instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
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instance->decoder.decode_count_bit++;
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}
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}
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break;
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}
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}
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||
/**
|
||
* Analysis of received data
|
||
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
||
*/
|
||
static void subghz_protocol_somfy_telis_check_remote_controller(SubGhzBlockGeneric* instance) {
|
||
//https://pushstack.wordpress.com/somfy-rts-protocol/
|
||
/*
|
||
* 604 us
|
||
* /
|
||
* | 2416us | 2416us | 2416us | 2416us | 4550 us | | 67648 us | 30415 us |
|
||
*
|
||
* +--------+ +--------+ +---...---+
|
||
* + +--------+ +--------+ +--+XXXX...XXX+-----...-----
|
||
*
|
||
* | hw. sync. | soft. | | Inter-frame
|
||
* | | sync. | data | gap
|
||
*
|
||
*
|
||
* encrypt | decrypt
|
||
*
|
||
* package 56 bit cnt key btn|crc cnt serial
|
||
* 0xA7232323312222 - 0 => A7 8 0 | 00 00 | 12 13 00
|
||
* 0xA7222223312222 - 1 => A7 8 5 | 00 01 | 12 13 00
|
||
* 0xA7212123312222 - 2 => A7 8 6 | 00 02 | 12 13 00
|
||
*
|
||
* Key: “Encryption Key”, Most significant 4-bit are always 0xA, Least Significant bits is
|
||
* a linear counter. In the Smoove Origin this counter is increased together with the
|
||
* rolling code. But leaving this on a constant value also works. Gerardwr notes that
|
||
* for some other types of remotes the MSB is not constant.
|
||
* Btn: 4-bit Control codes, this indicates the button that is pressed
|
||
* CRC: 4-bit Checksum.
|
||
* Ctn: 16-bit rolling code (big-endian) increased with every button press.
|
||
* Serial: 24-bit identifier of sending device (little-endian)
|
||
*
|
||
*
|
||
* Decrypt
|
||
*
|
||
* uint8_t frame[7];
|
||
* for (i=1; i < 7; i++) {
|
||
* frame[i] = frame[i] ^ frame[i-1];
|
||
* }
|
||
* or
|
||
* uint64 Decrypt = frame ^ (frame>>8);
|
||
*
|
||
* Btn
|
||
*
|
||
* Value Button(s) Description
|
||
* 0x1 My Stop or move to favourite position
|
||
* 0x2 Up Move up
|
||
* 0x3 My + Up Set upper motor limit in initial programming mode
|
||
* 0x4 Down Move down
|
||
* 0x5 My + Down Set lower motor limit in initial programming mode
|
||
* 0x6 Up + Down Change motor limit and initial programming mode
|
||
* 0x8 Prog Used for (de-)registering remotes, see below
|
||
* 0x9 Sun + Flag Enable sun and wind detector (SUN and FLAG symbol on the Telis Soliris RC)
|
||
* 0xA Flag Disable sun detector (FLAG symbol on the Telis Soliris RC)
|
||
*
|
||
* CRC
|
||
*
|
||
* uint8_t frame[7];
|
||
* for (i=0; i < 7; i++) {
|
||
* cksum = cksum ^ frame[i] ^ (frame[i] >> 4);
|
||
* }
|
||
* cksum = cksum & 0xf;
|
||
*
|
||
*/
|
||
|
||
uint64_t data = instance->data ^ (instance->data >> 8);
|
||
instance->btn = (data >> 44) & 0xF; // ctrl
|
||
instance->cnt = (data >> 24) & 0xFFFF; // rolling code
|
||
instance->serial = data & 0xFFFFFF; // address
|
||
}
|
||
|
||
/**
|
||
* Get button name.
|
||
* @param btn Button number, 4 bit
|
||
*/
|
||
static const char* subghz_protocol_somfy_telis_get_name_button(uint8_t btn) {
|
||
const char* name_btn[16] = {
|
||
"Unknown",
|
||
"My",
|
||
"Up",
|
||
"My+Up",
|
||
"Down",
|
||
"My+Down",
|
||
"Up+Down",
|
||
"0x07",
|
||
"Prog",
|
||
"Sun+Flag",
|
||
"Flag",
|
||
"0x0B",
|
||
"0x0C",
|
||
"0x0D",
|
||
"0x0E",
|
||
"0x0F"};
|
||
return btn <= 0xf ? name_btn[btn] : name_btn[0];
|
||
}
|
||
|
||
uint8_t subghz_protocol_decoder_somfy_telis_get_hash_data(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
||
return subghz_protocol_blocks_get_hash_data(
|
||
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
||
}
|
||
|
||
bool subghz_protocol_decoder_somfy_telis_serialize(
|
||
void* context,
|
||
FlipperFormat* flipper_format,
|
||
SubGhzRadioPreset* preset) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
||
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
||
}
|
||
|
||
bool subghz_protocol_decoder_somfy_telis_deserialize(void* context, FlipperFormat* flipper_format) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
||
bool ret = false;
|
||
do {
|
||
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
||
break;
|
||
}
|
||
if(instance->generic.data_count_bit !=
|
||
subghz_protocol_somfy_telis_const.min_count_bit_for_found) {
|
||
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
||
break;
|
||
}
|
||
ret = true;
|
||
} while(false);
|
||
return ret;
|
||
}
|
||
|
||
void subghz_protocol_decoder_somfy_telis_get_string(void* context, FuriString* output) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
||
|
||
subghz_protocol_somfy_telis_check_remote_controller(&instance->generic);
|
||
FURI_LOG_D(TAG, "Data: %llx", instance->generic.data);
|
||
furi_string_cat_printf(
|
||
output,
|
||
"%s %db\r\n"
|
||
"Key:0x%X\r\n"
|
||
"Address:0x%03lX \r\n"
|
||
"Cnt:0x%04lX\r\n"
|
||
"Btn:%s\r\n",
|
||
|
||
instance->generic.protocol_name,
|
||
instance->generic.data_count_bit,
|
||
(uint16_t)(instance->generic.data >> 48),
|
||
instance->generic.serial,
|
||
instance->generic.cnt,
|
||
subghz_protocol_somfy_telis_get_name_button(instance->generic.btn));
|
||
}
|