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@@ -1,267 +1,267 @@
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#include "subghz_protocol_nice_flor_s.h"
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#include <furi.h>
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#include "file-worker.h"
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/*
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* https://phreakerclub.com/1615
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* https://phreakerclub.com/forum/showthread.php?t=2360
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* https://vrtp.ru/index.php?showtopic=27867
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*/
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struct SubGhzProtocolNiceFlorS {
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SubGhzProtocolCommon common;
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const char* rainbow_table_file_name;
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};
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typedef enum {
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NiceFlorSDecoderStepReset = 0,
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NiceFlorSDecoderStepCheckHeader,
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NiceFlorSDecoderStepFoundHeader,
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NiceFlorSDecoderStepSaveDuration,
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NiceFlorSDecoderStepCheckDuration,
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} NiceFlorSDecoderStep;
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SubGhzProtocolNiceFlorS* subghz_protocol_nice_flor_s_alloc() {
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SubGhzProtocolNiceFlorS* instance = furi_alloc(sizeof(SubGhzProtocolNiceFlorS));
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instance->common.name = "Nice FloR-S";
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instance->common.code_min_count_bit_for_found = 52;
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instance->common.te_short = 500;
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instance->common.te_long = 1000;
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instance->common.te_delta = 300;
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instance->common.type_protocol = SubGhzProtocolCommonTypeDynamic;
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instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nice_flor_s_to_str;
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instance->common.to_load_protocol =
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(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_nice_flor_s_to_load_protocol;
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return instance;
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}
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void subghz_protocol_nice_flor_s_free(SubGhzProtocolNiceFlorS* instance) {
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furi_assert(instance);
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free(instance);
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}
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void subghz_protocol_nice_flor_s_name_file(SubGhzProtocolNiceFlorS* instance, const char* name) {
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instance->rainbow_table_file_name = name;
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printf("Loading Nice FloR S rainbow table %s\r\n", name);
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}
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/** Send bit
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*
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* @param instance - SubGhzProtocolNiceFlorS instance
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* @param bit - bit
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*/
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void subghz_protocol_nice_flor_s_send_bit(SubGhzProtocolNiceFlorS* instance, uint8_t bit) {
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if(bit) {
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//send bit 1
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_long);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short);
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} else {
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//send bit 0
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_long);
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}
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}
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void subghz_protocol_nice_flor_s_send_key(
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SubGhzProtocolNiceFlorS* instance,
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uint64_t key,
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uint8_t bit,
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uint8_t repeat) {
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while(repeat--) {
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//Send header
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 34);
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//Send Start Bit
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 3);
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//Send key data
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for(uint8_t i = bit; i > 0; i--) {
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subghz_protocol_nice_flor_s_send_bit(instance, bit_read(key, i - 1));
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}
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//Send Stop Bit
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 3);
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}
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}
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/** Read bytes from rainbow table
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*
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* @param instance - SubGhzProtocolNiceFlorS* instance
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* @param address - address byte
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* @return byte data
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*/
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uint8_t subghz_nice_flor_s_get_byte_in_file(SubGhzProtocolNiceFlorS* instance, uint32_t address) {
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if(!instance->rainbow_table_file_name) return 0;
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uint8_t buffer = 0;
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FileWorker* file_worker = file_worker_alloc(true);
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if(file_worker_open(
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file_worker, instance->rainbow_table_file_name, FSAM_READ, FSOM_OPEN_EXISTING)) {
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file_worker_seek(file_worker, address, true);
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file_worker_read(file_worker, &buffer, 1);
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}
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return buffer;
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}
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/** Decrypt protocol Nice Flor S
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*
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* @param instance - SubGhzProtocolNiceFlorS* instance
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*/
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void subghz_nice_flor_s_decoder_decrypt(SubGhzProtocolNiceFlorS* instance) {
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/*
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* Packet format Nice Flor-s: START-P0-P1-P2-P3-P4-P5-P6-P7-STOP
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* P0 (4-bit) - button positional code - 1:0x1, 2:0x2, 3:0x4, 4:0x8;
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* P1 (4-bit) - batch repetition number, calculated by the formula:
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* P1 = 0xF ^ P0 ^ n; where n changes from 1 to 15, then 0, and then in a circle
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* key 1: {0xF,0xC,0xD,0xA,0xB,0x8,0x9,0x6,0x7,0x4,0x5,0x2,0x3,0x0,0x1,0xE};
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* key 2: {0xC,0xF,0xE,0x9,0x8,0xB,0xA,0x5,0x4,0x7,0x6,0x1,0x0,0x3,0x2,0xD};
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* key 3: {0xA,0x9,0x8,0xF,0xE,0xD,0xC,0x3,0x2,0x1,0x0,0x7,0x6,0x5,0x4,0xB};
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* P2 (4-bit) - part of the serial number, P2 = (K ^ S3) & 0xF;
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* P3 (byte) - the major part of the encrypted index
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* P4 (byte) - the low-order part of the encrypted index
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* P5 (byte) - part of the serial number, P5 = K ^ S2;
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* P6 (byte) - part of the serial number, P6 = K ^ S1;
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* P7 (byte) - part of the serial number, P7 = K ^ S0;
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* K (byte) - depends on P3 and P4, K = Fk(P3, P4);
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* S3,S2,S1,S0 - serial number of the console 28 bit.
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*/
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uint16_t p3p4 = (uint16_t)(instance->common.code_last_found >> 24);
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instance->common.cnt = subghz_nice_flor_s_get_byte_in_file(instance, p3p4 * 2) << 8 |
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subghz_nice_flor_s_get_byte_in_file(instance, p3p4 * 2 + 1);
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uint8_t k =
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(uint8_t)(p3p4 & 0x00FF) ^
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subghz_nice_flor_s_get_byte_in_file(instance, (0x20000 | (instance->common.cnt & 0x00ff)));
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uint8_t s3 = ((uint8_t)(instance->common.code_last_found >> 40) ^ k) & 0x0f;
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uint8_t s2 = ((uint8_t)(instance->common.code_last_found >> 16) ^ k);
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uint8_t s1 = ((uint8_t)(instance->common.code_last_found >> 8) ^ k);
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uint8_t s0 = ((uint8_t)(instance->common.code_last_found) ^ k);
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instance->common.serial = s3 << 24 | s2 << 16 | s1 << 8 | s0;
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instance->common.btn = (instance->common.code_last_found >> 48) & 0x0f;
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}
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void subghz_protocol_nice_flor_s_reset(SubGhzProtocolNiceFlorS* instance) {
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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}
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void subghz_protocol_nice_flor_s_parse(
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SubGhzProtocolNiceFlorS* instance,
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bool level,
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uint32_t duration) {
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switch(instance->common.parser_step) {
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case NiceFlorSDecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 38) <
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instance->common.te_delta * 38)) {
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//Found start header Nice Flor-S
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instance->common.parser_step = NiceFlorSDecoderStepCheckHeader;
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} else {
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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case NiceFlorSDecoderStepCheckHeader:
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if((level) && (DURATION_DIFF(duration, instance->common.te_short * 3) <
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instance->common.te_delta * 3)) {
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//Found next header Nice Flor-S
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instance->common.parser_step = NiceFlorSDecoderStepFoundHeader;
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} else {
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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case NiceFlorSDecoderStepFoundHeader:
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if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 3) <
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instance->common.te_delta * 3)) {
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//Found header Nice Flor-S
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instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
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instance->common.code_found = 0;
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instance->common.code_count_bit = 0;
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} else {
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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case NiceFlorSDecoderStepSaveDuration:
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if(level) {
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if(DURATION_DIFF(duration, instance->common.te_short * 3) <
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instance->common.te_delta) {
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//Found STOP bit
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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if(instance->common.code_count_bit >=
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instance->common.code_min_count_bit_for_found) {
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instance->common.code_last_found = instance->common.code_found;
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instance->common.code_last_count_bit = instance->common.code_count_bit;
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if(instance->common.callback)
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instance->common.callback(
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(SubGhzProtocolCommon*)instance, instance->common.context);
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}
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break;
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} else {
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//save interval
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instance->common.te_last = duration;
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instance->common.parser_step = NiceFlorSDecoderStepCheckDuration;
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}
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}
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break;
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case NiceFlorSDecoderStepCheckDuration:
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if(!level) {
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if((DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
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instance->common.te_delta) &&
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(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
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subghz_protocol_common_add_bit(&instance->common, 0);
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instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
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instance->common.te_delta) &&
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(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
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subghz_protocol_common_add_bit(&instance->common, 1);
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instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
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} else
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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} else {
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instance->common.parser_step = NiceFlorSDecoderStepReset;
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}
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break;
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}
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}
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void subghz_protocol_nice_flor_s_to_str(SubGhzProtocolNiceFlorS* instance, string_t output) {
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subghz_nice_flor_s_decoder_decrypt(instance);
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uint32_t code_found_hi = instance->common.code_last_found >> 32;
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uint32_t code_found_lo = instance->common.code_last_found & 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:0x%lX%08lX\r\n"
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"Sn:%05lX\r\n"
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"Cnt:%04X Btn:%02lX\r\n",
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instance->common.name,
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instance->common.code_last_count_bit,
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code_found_hi,
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code_found_lo,
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instance->common.serial,
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instance->common.cnt,
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instance->common.btn);
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}
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void subghz_decoder_nice_flor_s_to_load_protocol(SubGhzProtocolNiceFlorS* instance, void* context) {
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furi_assert(context);
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furi_assert(instance);
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SubGhzProtocolCommonLoad* data = context;
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instance->common.code_last_found = data->code_found;
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instance->common.code_last_count_bit = data->code_count_bit;
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subghz_nice_flor_s_decoder_decrypt(instance);
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#include "subghz_protocol_nice_flor_s.h"
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#include <furi.h>
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#include "file-worker.h"
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/*
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* https://phreakerclub.com/1615
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* https://phreakerclub.com/forum/showthread.php?t=2360
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* https://vrtp.ru/index.php?showtopic=27867
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*/
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struct SubGhzProtocolNiceFlorS {
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SubGhzProtocolCommon common;
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const char* rainbow_table_file_name;
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};
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typedef enum {
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NiceFlorSDecoderStepReset = 0,
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NiceFlorSDecoderStepCheckHeader,
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NiceFlorSDecoderStepFoundHeader,
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NiceFlorSDecoderStepSaveDuration,
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NiceFlorSDecoderStepCheckDuration,
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} NiceFlorSDecoderStep;
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SubGhzProtocolNiceFlorS* subghz_protocol_nice_flor_s_alloc() {
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SubGhzProtocolNiceFlorS* instance = furi_alloc(sizeof(SubGhzProtocolNiceFlorS));
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instance->common.name = "Nice FloR-S";
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instance->common.code_min_count_bit_for_found = 52;
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instance->common.te_short = 500;
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instance->common.te_long = 1000;
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instance->common.te_delta = 300;
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instance->common.type_protocol = SubGhzProtocolCommonTypeDynamic;
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instance->common.to_string = (SubGhzProtocolCommonToStr)subghz_protocol_nice_flor_s_to_str;
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instance->common.to_load_protocol =
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(SubGhzProtocolCommonLoadFromRAW)subghz_decoder_nice_flor_s_to_load_protocol;
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return instance;
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}
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void subghz_protocol_nice_flor_s_free(SubGhzProtocolNiceFlorS* instance) {
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furi_assert(instance);
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free(instance);
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}
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void subghz_protocol_nice_flor_s_name_file(SubGhzProtocolNiceFlorS* instance, const char* name) {
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instance->rainbow_table_file_name = name;
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printf("Loading Nice FloR S rainbow table %s\r\n", name);
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}
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/** Send bit
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*
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* @param instance - SubGhzProtocolNiceFlorS instance
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* @param bit - bit
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*/
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void subghz_protocol_nice_flor_s_send_bit(SubGhzProtocolNiceFlorS* instance, uint8_t bit) {
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if(bit) {
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//send bit 1
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_long);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short);
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} else {
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//send bit 0
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_long);
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}
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}
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void subghz_protocol_nice_flor_s_send_key(
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SubGhzProtocolNiceFlorS* instance,
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uint64_t key,
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uint8_t bit,
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uint8_t repeat) {
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while(repeat--) {
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//Send header
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 34);
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//Send Start Bit
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 3);
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//Send key data
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for(uint8_t i = bit; i > 0; i--) {
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subghz_protocol_nice_flor_s_send_bit(instance, bit_read(key, i - 1));
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}
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//Send Stop Bit
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SUBGHZ_TX_PIN_HIGH();
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delay_us(instance->common.te_short * 3);
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SUBGHZ_TX_PIN_LOW();
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delay_us(instance->common.te_short * 3);
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}
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}
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|
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/** Read bytes from rainbow table
|
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*
|
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* @param instance - SubGhzProtocolNiceFlorS* instance
|
||||
* @param address - address byte
|
||||
* @return byte data
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*/
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uint8_t subghz_nice_flor_s_get_byte_in_file(SubGhzProtocolNiceFlorS* instance, uint32_t address) {
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if(!instance->rainbow_table_file_name) return 0;
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uint8_t buffer = 0;
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FileWorker* file_worker = file_worker_alloc(true);
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if(file_worker_open(
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file_worker, instance->rainbow_table_file_name, FSAM_READ, FSOM_OPEN_EXISTING)) {
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file_worker_seek(file_worker, address, true);
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file_worker_read(file_worker, &buffer, 1);
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}
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file_worker_close(file_worker);
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file_worker_free(file_worker);
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return buffer;
|
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}
|
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|
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/** Decrypt protocol Nice Flor S
|
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*
|
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* @param instance - SubGhzProtocolNiceFlorS* instance
|
||||
*/
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void subghz_nice_flor_s_decoder_decrypt(SubGhzProtocolNiceFlorS* instance) {
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/*
|
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* Packet format Nice Flor-s: START-P0-P1-P2-P3-P4-P5-P6-P7-STOP
|
||||
* P0 (4-bit) - button positional code - 1:0x1, 2:0x2, 3:0x4, 4:0x8;
|
||||
* P1 (4-bit) - batch repetition number, calculated by the formula:
|
||||
* P1 = 0xF ^ P0 ^ n; where n changes from 1 to 15, then 0, and then in a circle
|
||||
* key 1: {0xF,0xC,0xD,0xA,0xB,0x8,0x9,0x6,0x7,0x4,0x5,0x2,0x3,0x0,0x1,0xE};
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* key 2: {0xC,0xF,0xE,0x9,0x8,0xB,0xA,0x5,0x4,0x7,0x6,0x1,0x0,0x3,0x2,0xD};
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* key 3: {0xA,0x9,0x8,0xF,0xE,0xD,0xC,0x3,0x2,0x1,0x0,0x7,0x6,0x5,0x4,0xB};
|
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* P2 (4-bit) - part of the serial number, P2 = (K ^ S3) & 0xF;
|
||||
* P3 (byte) - the major part of the encrypted index
|
||||
* P4 (byte) - the low-order part of the encrypted index
|
||||
* P5 (byte) - part of the serial number, P5 = K ^ S2;
|
||||
* P6 (byte) - part of the serial number, P6 = K ^ S1;
|
||||
* P7 (byte) - part of the serial number, P7 = K ^ S0;
|
||||
* K (byte) - depends on P3 and P4, K = Fk(P3, P4);
|
||||
* S3,S2,S1,S0 - serial number of the console 28 bit.
|
||||
*/
|
||||
|
||||
uint16_t p3p4 = (uint16_t)(instance->common.code_last_found >> 24);
|
||||
instance->common.cnt = subghz_nice_flor_s_get_byte_in_file(instance, p3p4 * 2) << 8 |
|
||||
subghz_nice_flor_s_get_byte_in_file(instance, p3p4 * 2 + 1);
|
||||
uint8_t k =
|
||||
(uint8_t)(p3p4 & 0x00FF) ^
|
||||
subghz_nice_flor_s_get_byte_in_file(instance, (0x20000 | (instance->common.cnt & 0x00ff)));
|
||||
|
||||
uint8_t s3 = ((uint8_t)(instance->common.code_last_found >> 40) ^ k) & 0x0f;
|
||||
uint8_t s2 = ((uint8_t)(instance->common.code_last_found >> 16) ^ k);
|
||||
uint8_t s1 = ((uint8_t)(instance->common.code_last_found >> 8) ^ k);
|
||||
uint8_t s0 = ((uint8_t)(instance->common.code_last_found) ^ k);
|
||||
instance->common.serial = s3 << 24 | s2 << 16 | s1 << 8 | s0;
|
||||
|
||||
instance->common.btn = (instance->common.code_last_found >> 48) & 0x0f;
|
||||
}
|
||||
|
||||
void subghz_protocol_nice_flor_s_reset(SubGhzProtocolNiceFlorS* instance) {
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
}
|
||||
|
||||
void subghz_protocol_nice_flor_s_parse(
|
||||
SubGhzProtocolNiceFlorS* instance,
|
||||
bool level,
|
||||
uint32_t duration) {
|
||||
switch(instance->common.parser_step) {
|
||||
case NiceFlorSDecoderStepReset:
|
||||
if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 38) <
|
||||
instance->common.te_delta * 38)) {
|
||||
//Found start header Nice Flor-S
|
||||
instance->common.parser_step = NiceFlorSDecoderStepCheckHeader;
|
||||
} else {
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
}
|
||||
break;
|
||||
case NiceFlorSDecoderStepCheckHeader:
|
||||
if((level) && (DURATION_DIFF(duration, instance->common.te_short * 3) <
|
||||
instance->common.te_delta * 3)) {
|
||||
//Found next header Nice Flor-S
|
||||
instance->common.parser_step = NiceFlorSDecoderStepFoundHeader;
|
||||
} else {
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
}
|
||||
break;
|
||||
case NiceFlorSDecoderStepFoundHeader:
|
||||
if((!level) && (DURATION_DIFF(duration, instance->common.te_short * 3) <
|
||||
instance->common.te_delta * 3)) {
|
||||
//Found header Nice Flor-S
|
||||
instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
|
||||
instance->common.code_found = 0;
|
||||
instance->common.code_count_bit = 0;
|
||||
} else {
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
}
|
||||
break;
|
||||
case NiceFlorSDecoderStepSaveDuration:
|
||||
if(level) {
|
||||
if(DURATION_DIFF(duration, instance->common.te_short * 3) <
|
||||
instance->common.te_delta) {
|
||||
//Found STOP bit
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
if(instance->common.code_count_bit >=
|
||||
instance->common.code_min_count_bit_for_found) {
|
||||
instance->common.code_last_found = instance->common.code_found;
|
||||
instance->common.code_last_count_bit = instance->common.code_count_bit;
|
||||
if(instance->common.callback)
|
||||
instance->common.callback(
|
||||
(SubGhzProtocolCommon*)instance, instance->common.context);
|
||||
}
|
||||
break;
|
||||
} else {
|
||||
//save interval
|
||||
instance->common.te_last = duration;
|
||||
instance->common.parser_step = NiceFlorSDecoderStepCheckDuration;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case NiceFlorSDecoderStepCheckDuration:
|
||||
if(!level) {
|
||||
if((DURATION_DIFF(instance->common.te_last, instance->common.te_short) <
|
||||
instance->common.te_delta) &&
|
||||
(DURATION_DIFF(duration, instance->common.te_long) < instance->common.te_delta)) {
|
||||
subghz_protocol_common_add_bit(&instance->common, 0);
|
||||
instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
|
||||
} else if(
|
||||
(DURATION_DIFF(instance->common.te_last, instance->common.te_long) <
|
||||
instance->common.te_delta) &&
|
||||
(DURATION_DIFF(duration, instance->common.te_short) < instance->common.te_delta)) {
|
||||
subghz_protocol_common_add_bit(&instance->common, 1);
|
||||
instance->common.parser_step = NiceFlorSDecoderStepSaveDuration;
|
||||
} else
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
} else {
|
||||
instance->common.parser_step = NiceFlorSDecoderStepReset;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void subghz_protocol_nice_flor_s_to_str(SubGhzProtocolNiceFlorS* instance, string_t output) {
|
||||
subghz_nice_flor_s_decoder_decrypt(instance);
|
||||
uint32_t code_found_hi = instance->common.code_last_found >> 32;
|
||||
uint32_t code_found_lo = instance->common.code_last_found & 0x00000000ffffffff;
|
||||
|
||||
string_cat_printf(
|
||||
output,
|
||||
"%s %dbit\r\n"
|
||||
"Key:0x%lX%08lX\r\n"
|
||||
"Sn:%05lX\r\n"
|
||||
"Cnt:%04X Btn:%02lX\r\n",
|
||||
instance->common.name,
|
||||
instance->common.code_last_count_bit,
|
||||
code_found_hi,
|
||||
code_found_lo,
|
||||
instance->common.serial,
|
||||
instance->common.cnt,
|
||||
instance->common.btn);
|
||||
}
|
||||
|
||||
void subghz_decoder_nice_flor_s_to_load_protocol(SubGhzProtocolNiceFlorS* instance, void* context) {
|
||||
furi_assert(context);
|
||||
furi_assert(instance);
|
||||
SubGhzProtocolCommonLoad* data = context;
|
||||
instance->common.code_last_found = data->code_found;
|
||||
instance->common.code_last_count_bit = data->code_count_bit;
|
||||
subghz_nice_flor_s_decoder_decrypt(instance);
|
||||
}
|
||||
Reference in New Issue
Block a user