mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-30 16:29:12 +00:00
833 lines
28 KiB
C
833 lines
28 KiB
C
#include "secplus_v2.h"
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#include <lib/toolbox/manchester_decoder.h>
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#include <lib/toolbox/manchester_encoder.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_v2.c
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*/
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#define TAG "SubGhzProtocoSecPlus_v2"
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#define SECPLUS_V2_HEADER 0x3C0000000000
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#define SECPLUS_V2_HEADER_MASK 0xFFFF3C0000000000
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#define SECPLUS_V2_PACKET_1 0x000000000000
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#define SECPLUS_V2_PACKET_2 0x010000000000
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#define SECPLUS_V2_PACKET_MASK 0x30000000000
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static const SubGhzBlockConst subghz_protocol_secplus_v2_const = {
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.te_short = 250,
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.te_long = 500,
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.te_delta = 110,
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.min_count_bit_for_found = 62,
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};
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struct SubGhzProtocolDecoderSecPlus_v2 {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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ManchesterState manchester_saved_state;
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uint64_t secplus_packet_1;
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};
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struct SubGhzProtocolEncoderSecPlus_v2 {
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SubGhzProtocolEncoderBase base;
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SubGhzProtocolBlockEncoder encoder;
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SubGhzBlockGeneric generic;
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uint64_t secplus_packet_1;
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};
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typedef enum {
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SecPlus_v2DecoderStepReset = 0,
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SecPlus_v2DecoderStepDecoderData,
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} SecPlus_v2DecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_secplus_v2_decoder = {
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.alloc = subghz_protocol_decoder_secplus_v2_alloc,
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.free = subghz_protocol_decoder_secplus_v2_free,
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.feed = subghz_protocol_decoder_secplus_v2_feed,
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.reset = subghz_protocol_decoder_secplus_v2_reset,
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.get_hash_data = subghz_protocol_decoder_secplus_v2_get_hash_data,
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.serialize = subghz_protocol_decoder_secplus_v2_serialize,
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.deserialize = subghz_protocol_decoder_secplus_v2_deserialize,
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.get_string = subghz_protocol_decoder_secplus_v2_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_secplus_v2_encoder = {
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.alloc = subghz_protocol_encoder_secplus_v2_alloc,
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.free = subghz_protocol_encoder_secplus_v2_free,
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.deserialize = subghz_protocol_encoder_secplus_v2_deserialize,
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.stop = subghz_protocol_encoder_secplus_v2_stop,
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.yield = subghz_protocol_encoder_secplus_v2_yield,
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};
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const SubGhzProtocol subghz_protocol_secplus_v2 = {
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.name = SUBGHZ_PROTOCOL_SECPLUS_V2_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_315 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
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SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
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.decoder = &subghz_protocol_secplus_v2_decoder,
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.encoder = &subghz_protocol_secplus_v2_encoder,
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};
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void* subghz_protocol_encoder_secplus_v2_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolEncoderSecPlus_v2* instance = malloc(sizeof(SubGhzProtocolEncoderSecPlus_v2));
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instance->base.protocol = &subghz_protocol_secplus_v2;
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instance->generic.protocol_name = instance->base.protocol->name;
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instance->encoder.repeat = 10;
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instance->encoder.size_upload = 256;
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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_secplus_v2_free(void* context) {
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furi_assert(context);
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SubGhzProtocolEncoderSecPlus_v2* 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 subghz_protocol_secplus_v2_mix_invet(uint8_t invert, uint16_t p[]) {
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// selectively invert buffers
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switch(invert) {
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case 0x00: // 0b0000 (True, True, False),
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p[0] = ~p[0] & 0x03FF;
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p[1] = ~p[1] & 0x03FF;
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break;
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case 0x01: // 0b0001 (False, True, False),
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p[1] = ~p[1] & 0x03FF;
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break;
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case 0x02: // 0b0010 (False, False, True),
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p[2] = ~p[2] & 0x03FF;
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break;
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case 0x04: // 0b0100 (True, True, True),
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p[0] = ~p[0] & 0x03FF;
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p[1] = ~p[1] & 0x03FF;
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p[2] = ~p[2] & 0x03FF;
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break;
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case 0x05: // 0b0101 (True, False, True),
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case 0x0a: // 0b1010 (True, False, True),
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p[0] = ~p[0] & 0x03FF;
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p[2] = ~p[2] & 0x03FF;
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break;
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case 0x06: // 0b0110 (False, True, True),
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p[1] = ~p[1] & 0x03FF;
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p[2] = ~p[2] & 0x03FF;
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break;
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case 0x08: // 0b1000 (True, False, False),
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p[0] = ~p[0] & 0x03FF;
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break;
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case 0x09: // 0b1001 (False, False, False),
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break;
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default:
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FURI_LOG_E(TAG, "Invert FAIL");
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return false;
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}
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return true;
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}
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static bool subghz_protocol_secplus_v2_mix_order_decode(uint8_t order, uint16_t p[]) {
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uint16_t a = p[0], b = p[1], c = p[2];
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// selectively reorder buffers
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switch(order) {
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case 0x06: // 0b0110 2, 1, 0],
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case 0x09: // 0b1001 2, 1, 0],
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p[2] = a;
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// p[1]: no change
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p[0] = c;
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break;
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case 0x08: // 0b1000 1, 2, 0],
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case 0x04: // 0b0100 1, 2, 0],
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p[1] = a;
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p[2] = b;
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p[0] = c;
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break;
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case 0x01: // 0b0001 2, 0, 1],
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p[2] = a;
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p[0] = b;
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p[1] = c;
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break;
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case 0x00: // 0b0000 0, 2, 1],
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// p[0]: no change
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p[2] = b;
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p[1] = c;
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break;
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case 0x05: // 0b0101 1, 0, 2],
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p[1] = a;
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p[0] = b;
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// p[2]: no change
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break;
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case 0x02: // 0b0010 0, 1, 2],
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case 0x0A: // 0b1010 0, 1, 2],
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// no reordering
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break;
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default:
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FURI_LOG_E(TAG, "Order FAIL");
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return false;
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}
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return true;
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}
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static bool subghz_protocol_secplus_v2_mix_order_encode(uint8_t order, uint16_t p[]) {
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uint16_t a, b, c;
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// selectively reorder buffers
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switch(order) {
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case 0x06: // 0b0110 2, 1, 0],
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case 0x09: // 0b1001 2, 1, 0],
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a = p[2];
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b = p[1];
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c = p[0];
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break;
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case 0x08: // 0b1000 1, 2, 0],
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case 0x04: // 0b0100 1, 2, 0],
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a = p[1];
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b = p[2];
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c = p[0];
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break;
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case 0x01: // 0b0001 2, 0, 1],
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a = p[2];
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b = p[0];
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c = p[1];
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break;
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case 0x00: // 0b0000 0, 2, 1],
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a = p[0];
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b = p[2];
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c = p[1];
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break;
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case 0x05: // 0b0101 1, 0, 2],
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a = p[1];
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b = p[0];
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c = p[2];
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break;
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case 0x02: // 0b0010 0, 1, 2],
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case 0x0A: // 0b1010 0, 1, 2],
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a = p[0];
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b = p[1];
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c = p[2];
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break;
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default:
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FURI_LOG_E(TAG, "Order FAIL");
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return false;
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}
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p[0] = a;
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p[1] = b;
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p[2] = c;
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return true;
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}
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/**
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* Security+ 2.0 half-message decoding
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* @param data data
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* @param roll_array[] return roll_array part
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* @param fixed[] return fixed part
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* @return true On success
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*/
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static bool
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subghz_protocol_secplus_v2_decode_half(uint64_t data, uint8_t roll_array[], uint32_t* fixed) {
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uint8_t order = (data >> 34) & 0x0f;
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uint8_t invert = (data >> 30) & 0x0f;
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uint16_t p[3] = {0};
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for(int i = 29; i >= 0; i -= 3) {
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p[0] = p[0] << 1 | bit_read(data, i);
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p[1] = p[1] << 1 | bit_read(data, i - 1);
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p[2] = p[2] << 1 | bit_read(data, i - 2);
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}
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if(!subghz_protocol_secplus_v2_mix_invet(invert, p)) return false;
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if(!subghz_protocol_secplus_v2_mix_order_decode(order, p)) return false;
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data = order << 4 | invert;
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int k = 0;
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for(int i = 6; i >= 0; i -= 2) {
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roll_array[k++] = (data >> i) & 0x03;
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if(roll_array[k] == 3) {
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FURI_LOG_E(TAG, "Roll_Array FAIL");
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return false;
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}
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}
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for(int i = 8; i >= 0; i -= 2) {
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roll_array[k++] = (p[2] >> i) & 0x03;
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if(roll_array[k] == 3) {
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FURI_LOG_E(TAG, "Roll_Array FAIL");
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return false;
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}
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}
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fixed[0] = p[0] << 10 | p[1];
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return true;
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}
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/**
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* Analysis of received data
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* @param instance Pointer to a SubGhzBlockGeneric* instance
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* @param packet_1 first part of the message
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*/
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static void
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subghz_protocol_secplus_v2_remote_controller(SubGhzBlockGeneric* instance, uint64_t packet_1) {
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uint32_t fixed_1[1];
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uint8_t roll_1[9] = {0};
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uint32_t fixed_2[1];
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uint8_t roll_2[9] = {0};
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uint8_t rolling_digits[18] = {0};
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if(subghz_protocol_secplus_v2_decode_half(packet_1, roll_1, fixed_1) &&
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subghz_protocol_secplus_v2_decode_half(instance->data, roll_2, fixed_2)) {
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rolling_digits[0] = roll_2[8];
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rolling_digits[1] = roll_1[8];
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rolling_digits[2] = roll_2[4];
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rolling_digits[3] = roll_2[5];
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rolling_digits[4] = roll_2[6];
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rolling_digits[5] = roll_2[7];
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rolling_digits[6] = roll_1[4];
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rolling_digits[7] = roll_1[5];
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rolling_digits[8] = roll_1[6];
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rolling_digits[9] = roll_1[7];
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rolling_digits[10] = roll_2[0];
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rolling_digits[11] = roll_2[1];
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rolling_digits[12] = roll_2[2];
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rolling_digits[13] = roll_2[3];
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rolling_digits[14] = roll_1[0];
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rolling_digits[15] = roll_1[1];
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rolling_digits[16] = roll_1[2];
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rolling_digits[17] = roll_1[3];
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uint32_t rolling = 0;
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for(int i = 0; i < 18; i++) {
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rolling = (rolling * 3) + rolling_digits[i];
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}
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// Max value = 2^28 (268435456)
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if(rolling >= 0x10000000) {
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FURI_LOG_E(TAG, "Rolling FAIL");
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instance->cnt = 0;
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instance->btn = 0;
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instance->serial = 0;
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} else {
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instance->cnt = subghz_protocol_blocks_reverse_key(rolling, 28);
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instance->btn = fixed_1[0] >> 12;
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instance->serial = fixed_1[0] << 20 | fixed_2[0];
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}
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} else {
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instance->cnt = 0;
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instance->btn = 0;
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instance->serial = 0;
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}
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}
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/**
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* Security+ 2.0 half-message encoding
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* @param roll_array[] roll_array part
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* @param fixed[] fixed part
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* @return return data
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*/
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static uint64_t subghz_protocol_secplus_v2_encode_half(uint8_t roll_array[], uint32_t fixed) {
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uint64_t data = 0;
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uint16_t p[3] = {(fixed >> 10) & 0x3FF, fixed & 0x3FF, 0};
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uint8_t order = roll_array[0] << 2 | roll_array[1];
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uint8_t invert = roll_array[2] << 2 | roll_array[3];
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p[2] = (uint16_t)roll_array[4] << 8 | roll_array[5] << 6 | roll_array[6] << 4 |
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roll_array[7] << 2 | roll_array[8];
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if(!subghz_protocol_secplus_v2_mix_order_encode(order, p)) return 0;
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if(!subghz_protocol_secplus_v2_mix_invet(invert, p)) return 0;
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for(int i = 0; i < 10; i++) {
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data <<= 3;
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data |= bit_read(p[0], 9 - i) << 2 | bit_read(p[1], 9 - i) << 1 | bit_read(p[2], 9 - i);
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}
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data |= ((uint64_t)order) << 34 | ((uint64_t)invert) << 30;
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return data;
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}
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/**
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* Security+ 2.0 message encoding
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* @param instance SubGhzProtocolEncoderSecPlus_v2*
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*/
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static void subghz_protocol_secplus_v2_encode(SubGhzProtocolEncoderSecPlus_v2* instance) {
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uint32_t fixed_1[1] = {instance->generic.btn << 12 | instance->generic.serial >> 20};
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uint32_t fixed_2[1] = {instance->generic.serial & 0xFFFFF};
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uint8_t rolling_digits[18] = {0};
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uint8_t roll_1[9] = {0};
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uint8_t roll_2[9] = {0};
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instance->generic.cnt++;
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//ToDo it is not known what value the counter starts
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if(instance->generic.cnt > 0xFFFFFFF) instance->generic.cnt = 0xE500000;
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uint32_t rolling = subghz_protocol_blocks_reverse_key(instance->generic.cnt, 28);
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for(int8_t i = 17; i > -1; i--) {
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rolling_digits[i] = rolling % 3;
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rolling /= 3;
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}
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roll_2[8] = rolling_digits[0];
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roll_1[8] = rolling_digits[1];
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roll_2[4] = rolling_digits[2];
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roll_2[5] = rolling_digits[3];
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roll_2[6] = rolling_digits[4];
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roll_2[7] = rolling_digits[5];
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roll_1[4] = rolling_digits[6];
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roll_1[5] = rolling_digits[7];
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roll_1[6] = rolling_digits[8];
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roll_1[7] = rolling_digits[9];
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roll_2[0] = rolling_digits[10];
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roll_2[1] = rolling_digits[11];
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roll_2[2] = rolling_digits[12];
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roll_2[3] = rolling_digits[13];
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roll_1[0] = rolling_digits[14];
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roll_1[1] = rolling_digits[15];
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roll_1[2] = rolling_digits[16];
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roll_1[3] = rolling_digits[17];
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instance->secplus_packet_1 = SECPLUS_V2_HEADER | SECPLUS_V2_PACKET_1 |
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subghz_protocol_secplus_v2_encode_half(roll_1, fixed_1[0]);
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instance->generic.data = SECPLUS_V2_HEADER | SECPLUS_V2_PACKET_2 |
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subghz_protocol_secplus_v2_encode_half(roll_2, fixed_2[0]);
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}
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static LevelDuration
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subghz_protocol_encoder_secplus_v2_add_duration_to_upload(ManchesterEncoderResult result) {
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LevelDuration data = {.duration = 0, .level = 0};
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switch(result) {
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case ManchesterEncoderResultShortLow:
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data.duration = subghz_protocol_secplus_v2_const.te_short;
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data.level = false;
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break;
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case ManchesterEncoderResultLongLow:
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data.duration = subghz_protocol_secplus_v2_const.te_long;
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data.level = false;
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break;
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case ManchesterEncoderResultLongHigh:
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data.duration = subghz_protocol_secplus_v2_const.te_long;
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data.level = true;
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break;
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case ManchesterEncoderResultShortHigh:
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data.duration = subghz_protocol_secplus_v2_const.te_short;
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data.level = true;
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break;
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default:
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furi_crash("SubGhz: ManchesterEncoderResult is incorrect.");
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break;
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}
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return level_duration_make(data.level, data.duration);
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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 SubGhzProtocolEncoderSecPlus_v2 instance
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*/
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static void
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subghz_protocol_encoder_secplus_v2_get_upload(SubGhzProtocolEncoderSecPlus_v2* instance) {
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furi_assert(instance);
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size_t index = 0;
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ManchesterEncoderState enc_state;
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manchester_encoder_reset(&enc_state);
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ManchesterEncoderResult result;
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|
//Send data packet 1
|
|
for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
|
|
if(!manchester_encoder_advance(
|
|
&enc_state, bit_read(instance->secplus_packet_1, i - 1), &result)) {
|
|
instance->encoder.upload[index++] =
|
|
subghz_protocol_encoder_secplus_v2_add_duration_to_upload(result);
|
|
manchester_encoder_advance(
|
|
&enc_state, bit_read(instance->secplus_packet_1, i - 1), &result);
|
|
}
|
|
instance->encoder.upload[index++] =
|
|
subghz_protocol_encoder_secplus_v2_add_duration_to_upload(result);
|
|
}
|
|
instance->encoder.upload[index] = subghz_protocol_encoder_secplus_v2_add_duration_to_upload(
|
|
manchester_encoder_finish(&enc_state));
|
|
if(level_duration_get_level(instance->encoder.upload[index])) {
|
|
index++;
|
|
}
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_secplus_v2_const.te_long * 136);
|
|
|
|
//Send data packet 2
|
|
manchester_encoder_reset(&enc_state);
|
|
for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
|
|
if(!manchester_encoder_advance(
|
|
&enc_state, bit_read(instance->generic.data, i - 1), &result)) {
|
|
instance->encoder.upload[index++] =
|
|
subghz_protocol_encoder_secplus_v2_add_duration_to_upload(result);
|
|
manchester_encoder_advance(
|
|
&enc_state, bit_read(instance->generic.data, i - 1), &result);
|
|
}
|
|
instance->encoder.upload[index++] =
|
|
subghz_protocol_encoder_secplus_v2_add_duration_to_upload(result);
|
|
}
|
|
instance->encoder.upload[index] = subghz_protocol_encoder_secplus_v2_add_duration_to_upload(
|
|
manchester_encoder_finish(&enc_state));
|
|
if(level_duration_get_level(instance->encoder.upload[index])) {
|
|
index++;
|
|
}
|
|
instance->encoder.upload[index++] =
|
|
level_duration_make(false, (uint32_t)subghz_protocol_secplus_v2_const.te_long * 136);
|
|
|
|
instance->encoder.size_upload = index;
|
|
}
|
|
|
|
bool subghz_protocol_encoder_secplus_v2_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolEncoderSecPlus_v2* instance = context;
|
|
bool res = false;
|
|
do {
|
|
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
|
FURI_LOG_E(TAG, "Deserialize error");
|
|
break;
|
|
}
|
|
if(instance->generic.data_count_bit !=
|
|
subghz_protocol_secplus_v2_const.min_count_bit_for_found) {
|
|
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
|
break;
|
|
}
|
|
uint8_t key_data[sizeof(uint64_t)] = {0};
|
|
if(!flipper_format_read_hex(
|
|
flipper_format, "Secplus_packet_1", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Secplus_packet_1");
|
|
break;
|
|
}
|
|
for(uint8_t i = 0; i < sizeof(uint64_t); i++) {
|
|
instance->secplus_packet_1 = instance->secplus_packet_1 << 8 | key_data[i];
|
|
}
|
|
|
|
subghz_protocol_secplus_v2_remote_controller(
|
|
&instance->generic, instance->secplus_packet_1);
|
|
subghz_protocol_secplus_v2_encode(instance);
|
|
//optional parameter parameter
|
|
flipper_format_read_uint32(
|
|
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
|
|
subghz_protocol_encoder_secplus_v2_get_upload(instance);
|
|
|
|
//update data
|
|
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
|
key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> (i * 8)) & 0xFF;
|
|
}
|
|
if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Unable to add Key");
|
|
break;
|
|
}
|
|
|
|
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
|
key_data[sizeof(uint64_t) - i - 1] = (instance->secplus_packet_1 >> (i * 8)) & 0xFF;
|
|
}
|
|
if(!flipper_format_update_hex(
|
|
flipper_format, "Secplus_packet_1", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Unable to add Secplus_packet_1");
|
|
break;
|
|
}
|
|
|
|
instance->encoder.is_running = true;
|
|
|
|
res = true;
|
|
} while(false);
|
|
|
|
return res;
|
|
}
|
|
|
|
void subghz_protocol_encoder_secplus_v2_stop(void* context) {
|
|
SubGhzProtocolEncoderSecPlus_v2* instance = context;
|
|
instance->encoder.is_running = false;
|
|
}
|
|
|
|
LevelDuration subghz_protocol_encoder_secplus_v2_yield(void* context) {
|
|
SubGhzProtocolEncoderSecPlus_v2* instance = context;
|
|
|
|
if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
|
|
instance->encoder.is_running = false;
|
|
return level_duration_reset();
|
|
}
|
|
|
|
LevelDuration ret = instance->encoder.upload[instance->encoder.front];
|
|
|
|
if(++instance->encoder.front == instance->encoder.size_upload) {
|
|
instance->encoder.repeat--;
|
|
instance->encoder.front = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool subghz_protocol_secplus_v2_create_data(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
uint32_t serial,
|
|
uint8_t btn,
|
|
uint32_t cnt,
|
|
SubGhzRadioPreset* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolEncoderSecPlus_v2* instance = context;
|
|
instance->generic.serial = serial;
|
|
instance->generic.cnt = cnt;
|
|
instance->generic.btn = btn;
|
|
instance->generic.data_count_bit =
|
|
(uint8_t)subghz_protocol_secplus_v2_const.min_count_bit_for_found;
|
|
subghz_protocol_secplus_v2_encode(instance);
|
|
bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
|
|
uint8_t key_data[sizeof(uint64_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
|
key_data[sizeof(uint64_t) - i - 1] = (instance->secplus_packet_1 >> (i * 8)) & 0xFF;
|
|
}
|
|
|
|
if(res &&
|
|
!flipper_format_write_hex(flipper_format, "Secplus_packet_1", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Unable to add Secplus_packet_1");
|
|
res = false;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
void* subghz_protocol_decoder_secplus_v2_alloc(SubGhzEnvironment* environment) {
|
|
UNUSED(environment);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = malloc(sizeof(SubGhzProtocolDecoderSecPlus_v2));
|
|
instance->base.protocol = &subghz_protocol_secplus_v2;
|
|
instance->generic.protocol_name = instance->base.protocol->name;
|
|
|
|
return instance;
|
|
}
|
|
|
|
void subghz_protocol_decoder_secplus_v2_free(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
free(instance);
|
|
}
|
|
|
|
void subghz_protocol_decoder_secplus_v2_reset(void* context) {
|
|
furi_assert(context);
|
|
// SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
// does not reset the decoder because you need to get 2 parts of the package
|
|
}
|
|
|
|
static bool subghz_protocol_secplus_v2_check_packet(SubGhzProtocolDecoderSecPlus_v2* instance) {
|
|
if((instance->decoder.decode_data & SECPLUS_V2_HEADER_MASK) == SECPLUS_V2_HEADER) {
|
|
if((instance->decoder.decode_data & SECPLUS_V2_PACKET_MASK) == SECPLUS_V2_PACKET_1) {
|
|
instance->secplus_packet_1 = instance->decoder.decode_data;
|
|
} else if(
|
|
((instance->decoder.decode_data & SECPLUS_V2_PACKET_MASK) == SECPLUS_V2_PACKET_2) &&
|
|
(instance->secplus_packet_1)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void subghz_protocol_decoder_secplus_v2_feed(void* context, bool level, uint32_t duration) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
|
|
ManchesterEvent event = ManchesterEventReset;
|
|
switch(instance->decoder.parser_step) {
|
|
case SecPlus_v2DecoderStepReset:
|
|
if((!level) && (DURATION_DIFF(duration, subghz_protocol_secplus_v2_const.te_long * 130) <
|
|
subghz_protocol_secplus_v2_const.te_delta * 100)) {
|
|
//Found header Security+ 2.0
|
|
instance->decoder.parser_step = SecPlus_v2DecoderStepDecoderData;
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
instance->secplus_packet_1 = 0;
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventReset,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventLongHigh,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventShortLow,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
}
|
|
break;
|
|
case SecPlus_v2DecoderStepDecoderData:
|
|
if(!level) {
|
|
if(DURATION_DIFF(duration, subghz_protocol_secplus_v2_const.te_short) <
|
|
subghz_protocol_secplus_v2_const.te_delta) {
|
|
event = ManchesterEventShortLow;
|
|
} else if(
|
|
DURATION_DIFF(duration, subghz_protocol_secplus_v2_const.te_long) <
|
|
subghz_protocol_secplus_v2_const.te_delta) {
|
|
event = ManchesterEventLongLow;
|
|
} else if(
|
|
duration >= (subghz_protocol_secplus_v2_const.te_long * 2UL +
|
|
subghz_protocol_secplus_v2_const.te_delta)) {
|
|
if(instance->decoder.decode_count_bit ==
|
|
subghz_protocol_secplus_v2_const.min_count_bit_for_found) {
|
|
instance->generic.data = instance->decoder.decode_data;
|
|
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
|
|
if(subghz_protocol_secplus_v2_check_packet(instance)) {
|
|
if(instance->base.callback)
|
|
instance->base.callback(&instance->base, instance->base.context);
|
|
instance->decoder.parser_step = SecPlus_v2DecoderStepReset;
|
|
}
|
|
}
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventReset,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventLongHigh,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventShortLow,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
} else {
|
|
instance->decoder.parser_step = SecPlus_v2DecoderStepReset;
|
|
}
|
|
} else {
|
|
if(DURATION_DIFF(duration, subghz_protocol_secplus_v2_const.te_short) <
|
|
subghz_protocol_secplus_v2_const.te_delta) {
|
|
event = ManchesterEventShortHigh;
|
|
} else if(
|
|
DURATION_DIFF(duration, subghz_protocol_secplus_v2_const.te_long) <
|
|
subghz_protocol_secplus_v2_const.te_delta) {
|
|
event = ManchesterEventLongHigh;
|
|
} else {
|
|
instance->decoder.parser_step = SecPlus_v2DecoderStepReset;
|
|
}
|
|
}
|
|
if(event != ManchesterEventReset) {
|
|
bool data;
|
|
bool data_ok = manchester_advance(
|
|
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
|
|
|
|
if(data_ok) {
|
|
instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
|
|
instance->decoder.decode_count_bit++;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint8_t subghz_protocol_decoder_secplus_v2_get_hash_data(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
return subghz_protocol_blocks_get_hash_data(
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_secplus_v2_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
SubGhzRadioPreset* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
|
|
uint8_t key_data[sizeof(uint64_t)] = {0};
|
|
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
|
key_data[sizeof(uint64_t) - i - 1] = (instance->secplus_packet_1 >> (i * 8)) & 0xFF;
|
|
}
|
|
|
|
if(res &&
|
|
!flipper_format_write_hex(flipper_format, "Secplus_packet_1", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Unable to add Secplus_packet_1");
|
|
res = false;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
bool subghz_protocol_decoder_secplus_v2_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
bool res = false;
|
|
do {
|
|
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
|
FURI_LOG_E(TAG, "Deserialize error");
|
|
break;
|
|
}
|
|
if(instance->generic.data_count_bit !=
|
|
subghz_protocol_secplus_v2_const.min_count_bit_for_found) {
|
|
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
|
break;
|
|
}
|
|
if(!flipper_format_rewind(flipper_format)) {
|
|
FURI_LOG_E(TAG, "Rewind error");
|
|
break;
|
|
}
|
|
uint8_t key_data[sizeof(uint64_t)] = {0};
|
|
if(!flipper_format_read_hex(
|
|
flipper_format, "Secplus_packet_1", key_data, sizeof(uint64_t))) {
|
|
FURI_LOG_E(TAG, "Missing Secplus_packet_1");
|
|
break;
|
|
}
|
|
for(uint8_t i = 0; i < sizeof(uint64_t); i++) {
|
|
instance->secplus_packet_1 = instance->secplus_packet_1 << 8 | key_data[i];
|
|
}
|
|
res = true;
|
|
} while(false);
|
|
|
|
return res;
|
|
}
|
|
|
|
void subghz_protocol_decoder_secplus_v2_get_string(void* context, FuriString* output) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSecPlus_v2* instance = context;
|
|
subghz_protocol_secplus_v2_remote_controller(&instance->generic, instance->secplus_packet_1);
|
|
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %db\r\n"
|
|
"Pk1:0x%lX%08lX\r\n"
|
|
"Pk2:0x%lX%08lX\r\n"
|
|
"Sn:0x%08lX Btn:0x%01X\r\n"
|
|
"Cnt:0x%03lX\r\n",
|
|
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
(uint32_t)(instance->secplus_packet_1 >> 32),
|
|
(uint32_t)instance->secplus_packet_1,
|
|
(uint32_t)(instance->generic.data >> 32),
|
|
(uint32_t)instance->generic.data,
|
|
instance->generic.serial,
|
|
instance->generic.btn,
|
|
instance->generic.cnt);
|
|
}
|