* SubGhz: load custom -preset * SubGhz: fix error prt=0 * SubGhz: load custom preset * SubGhz: code refactoring to support custom preset * SubGhz: add custom presert refactoring * SubGhz: fix alloc history alloc preset * SubGhz: fix error load file * SubGhz: fix start custom preset * SubGhz: fix delete custom preset * SubGhz: add description Custom_preset_data for CC1101 * SubGhz: debug logging and buffer size rounding Co-authored-by: あく <alleteam@gmail.com> Co-authored-by: Aleksandr Kutuzov <aku@plooks.com>
		
			
				
	
	
		
			339 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			339 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "came_atomo.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 "SubGhzProtocoCameAtomo"
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#define SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE 0xFFFFFFFFFFFFFFFF
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static const SubGhzBlockConst subghz_protocol_came_atomo_const = {
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    .te_short = 600,
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    .te_long = 1200,
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    .te_delta = 250,
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    .min_count_bit_for_found = 62,
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};
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struct SubGhzProtocolDecoderCameAtomo {
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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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    const char* came_atomo_rainbow_table_file_name;
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};
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struct SubGhzProtocolEncoderCameAtomo {
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    SubGhzProtocolEncoderBase base;
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    SubGhzProtocolBlockEncoder encoder;
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    SubGhzBlockGeneric generic;
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};
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typedef enum {
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    CameAtomoDecoderStepReset = 0,
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    CameAtomoDecoderStepDecoderData,
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} CameAtomoDecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_came_atomo_decoder = {
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    .alloc = subghz_protocol_decoder_came_atomo_alloc,
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    .free = subghz_protocol_decoder_came_atomo_free,
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    .feed = subghz_protocol_decoder_came_atomo_feed,
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    .reset = subghz_protocol_decoder_came_atomo_reset,
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    .get_hash_data = subghz_protocol_decoder_came_atomo_get_hash_data,
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    .serialize = subghz_protocol_decoder_came_atomo_serialize,
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    .deserialize = subghz_protocol_decoder_came_atomo_deserialize,
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    .get_string = subghz_protocol_decoder_came_atomo_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_came_atomo_encoder = {
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    .alloc = NULL,
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    .free = NULL,
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    .deserialize = NULL,
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    .stop = NULL,
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    .yield = NULL,
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};
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const SubGhzProtocol subghz_protocol_came_atomo = {
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    .name = SUBGHZ_PROTOCOL_CAME_ATOMO_NAME,
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    .type = SubGhzProtocolTypeDynamic,
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    .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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    .decoder = &subghz_protocol_came_atomo_decoder,
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    .encoder = &subghz_protocol_came_atomo_encoder,
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};
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void* subghz_protocol_decoder_came_atomo_alloc(SubGhzEnvironment* environment) {
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    SubGhzProtocolDecoderCameAtomo* instance = malloc(sizeof(SubGhzProtocolDecoderCameAtomo));
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    instance->base.protocol = &subghz_protocol_came_atomo;
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    instance->generic.protocol_name = instance->base.protocol->name;
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    instance->came_atomo_rainbow_table_file_name =
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        subghz_environment_get_came_atomo_rainbow_table_file_name(environment);
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    if(instance->came_atomo_rainbow_table_file_name) {
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        FURI_LOG_I(
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            TAG, "Loading rainbow table from %s", instance->came_atomo_rainbow_table_file_name);
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    }
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    return instance;
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}
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void subghz_protocol_decoder_came_atomo_free(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    instance->came_atomo_rainbow_table_file_name = NULL;
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    free(instance);
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}
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void subghz_protocol_decoder_came_atomo_reset(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    instance->decoder.parser_step = CameAtomoDecoderStepReset;
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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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void subghz_protocol_decoder_came_atomo_feed(void* context, bool level, uint32_t duration) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    ManchesterEvent event = ManchesterEventReset;
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    switch(instance->decoder.parser_step) {
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    case CameAtomoDecoderStepReset:
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        if((!level) && (DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long * 60) <
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                        subghz_protocol_came_atomo_const.te_delta * 40)) {
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            //Found header CAME
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            instance->decoder.parser_step = CameAtomoDecoderStepDecoderData;
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            instance->decoder.decode_data = 0;
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            instance->decoder.decode_count_bit = 1;
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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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                ManchesterEventShortLow,
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                &instance->manchester_saved_state,
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                NULL);
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        }
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        break;
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    case CameAtomoDecoderStepDecoderData:
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        if(!level) {
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            if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
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               subghz_protocol_came_atomo_const.te_delta) {
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                event = ManchesterEventShortLow;
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            } else if(
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                DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
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                subghz_protocol_came_atomo_const.te_delta) {
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                event = ManchesterEventLongLow;
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            } else if(
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                duration >= ((uint32_t)subghz_protocol_came_atomo_const.te_long * 2 +
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                             subghz_protocol_came_atomo_const.te_delta)) {
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                if(instance->decoder.decode_count_bit ==
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                   subghz_protocol_came_atomo_const.min_count_bit_for_found) {
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                    instance->generic.data = instance->decoder.decode_data;
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                    instance->generic.data_count_bit = instance->decoder.decode_count_bit;
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                    if(instance->base.callback)
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                        instance->base.callback(&instance->base, instance->base.context);
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                }
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                instance->decoder.decode_data = 0;
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                instance->decoder.decode_count_bit = 1;
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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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                    ManchesterEventShortLow,
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                    &instance->manchester_saved_state,
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                    NULL);
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            } else {
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                instance->decoder.parser_step = CameAtomoDecoderStepReset;
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            }
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        } else {
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            if(DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_short) <
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               subghz_protocol_came_atomo_const.te_delta) {
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                event = ManchesterEventShortHigh;
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            } else if(
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                DURATION_DIFF(duration, subghz_protocol_came_atomo_const.te_long) <
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                subghz_protocol_came_atomo_const.te_delta) {
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                event = ManchesterEventLongHigh;
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            } else {
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                instance->decoder.parser_step = CameAtomoDecoderStepReset;
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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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/** 
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 * Read bytes from rainbow table
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 * @param file_name Full path to rainbow table the file 
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 * @param number_atomo_magic_xor Сell number in the array
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 * @return atomo_magic_xor
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 */
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static uint64_t subghz_protocol_came_atomo_get_magic_xor_in_file(
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    const char* file_name,
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    uint8_t number_atomo_magic_xor) {
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    if(!strcmp(file_name, "")) return SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
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    uint8_t buffer[sizeof(uint64_t)] = {0};
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    uint32_t address = number_atomo_magic_xor * sizeof(uint64_t);
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    uint64_t atomo_magic_xor = 0;
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    if(subghz_keystore_raw_get_data(file_name, address, buffer, sizeof(uint64_t))) {
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        for(size_t i = 0; i < sizeof(uint64_t); i++) {
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            atomo_magic_xor = (atomo_magic_xor << 8) | buffer[i];
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        }
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    } else {
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        atomo_magic_xor = SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE;
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    }
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    return atomo_magic_xor;
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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 file_name Full path to rainbow table the file
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 */
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static void subghz_protocol_came_atomo_remote_controller(
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    SubGhzBlockGeneric* instance,
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    const char* file_name) {
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    /* 
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    * 0x1fafef3ed0f7d9ef
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    * 0x185fcc1531ee86e7
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    * 0x184fa96912c567ff
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    * 0x187f8a42f3dc38f7
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    * 0x186f63915492a5cd
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    * 0x181f40bab58bfac5
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    * 0x180f25c696a01bdd
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    * 0x183f06ed77b944d5
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    * 0x182ef661d83d21a9
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    * 0x18ded54a39247ea1
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    * 0x18ceb0361a0f9fb9
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    * 0x18fe931dfb16c0b1
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    * 0x18ee7ace5c585d8b
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    * ........ 
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    * transmission consists of 99 parcels with increasing counter while holding down the button
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    * with each new press, the counter in the encrypted part increases
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    * 
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    * 0x1FAFF13ED0F7D9EF
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    * 0x1FAFF11ED0F7D9EF
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    * 0x1FAFF10ED0F7D9EF
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    * 0x1FAFF0FED0F7D9EF
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    * 0x1FAFF0EED0F7D9EF
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    * 0x1FAFF0DED0F7D9EF
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    * 0x1FAFF0CED0F7D9EF
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    * 0x1FAFF0BED0F7D9EF
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    * 0x1FAFF0AED0F7D9EF 
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    * 
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    *                   where     0x1FAF - parcel counter, 0хF0A - button press counter,
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    *                           0xED0F7D9E - serial number, 0хF -  key
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    * 0x1FAF parcel counter - 1 in the parcel queue ^ 0x185F =  0x07F0
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    * 0x185f ^ 0x185F = 0x0000
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    * 0x184f ^ 0x185F = 0x0010
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    * 0x187f ^ 0x185F = 0x0020
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    * .....
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    * 0x182e ^ 0x185F = 0x0071 
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    * 0x18de ^ 0x185F = 0x0081
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    * .....
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    * 0x1e43 ^ 0x185F = 0x061C
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    *                           where the last nibble is incremented every 8 samples
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    * 
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    * Decode
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    * 
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    * 0x1cf6931dfb16c0b1 => 0x1cf6
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    * 0x1cf6 ^ 0x185F = 0x04A9
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    * 0x04A9 => 0x04A = 74 (dec)
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    * 74+1 % 32(atomo_magic_xor) = 11
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    * GET atomo_magic_xor[11] = 0xXXXXXXXXXXXXXXXX
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    * 0x931dfb16c0b1 ^ 0xXXXXXXXXXXXXXXXX =  0xEF3ED0F7D9EF
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    * 0xEF3 ED0F7D9E F  => 0xEF3 - CNT, 0xED0F7D9E - SN, 0xF - key
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    * 
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    * */
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    uint16_t parcel_counter = instance->data >> 48;
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    parcel_counter = parcel_counter ^ 0x185F;
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    parcel_counter >>= 4;
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    uint8_t ind = (parcel_counter + 1) % 32;
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    uint64_t temp_data = instance->data & 0x0000FFFFFFFFFFFF;
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    uint64_t atomo_magic_xor = subghz_protocol_came_atomo_get_magic_xor_in_file(file_name, ind);
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    if(atomo_magic_xor != SUBGHZ_NO_CAME_ATOMO_RAINBOW_TABLE) {
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        temp_data = temp_data ^ atomo_magic_xor;
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        instance->cnt = temp_data >> 36;
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        instance->serial = (temp_data >> 4) & 0x000FFFFFFFF;
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        instance->btn = temp_data & 0xF;
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    } else {
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        instance->cnt = 0;
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        instance->serial = 0;
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        instance->btn = 0;
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    }
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}
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uint8_t subghz_protocol_decoder_came_atomo_get_hash_data(void* context) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    return subghz_protocol_blocks_get_hash_data(
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        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
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}
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bool subghz_protocol_decoder_came_atomo_serialize(
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    void* context,
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    FlipperFormat* flipper_format,
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    SubGhzPesetDefinition* preset) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
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}
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bool subghz_protocol_decoder_came_atomo_deserialize(void* context, FlipperFormat* flipper_format) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    return subghz_block_generic_deserialize(&instance->generic, flipper_format);
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}
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void subghz_protocol_decoder_came_atomo_get_string(void* context, string_t output) {
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    furi_assert(context);
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    SubGhzProtocolDecoderCameAtomo* instance = context;
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    subghz_protocol_came_atomo_remote_controller(
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        &instance->generic, instance->came_atomo_rainbow_table_file_name);
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    uint32_t code_found_hi = instance->generic.data >> 32;
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    uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
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    string_cat_printf(
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        output,
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        "%s %db\r\n"
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        "Key:0x%lX%08lX\r\n"
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        "Sn:0x%08lX  Btn:0x%01X\r\n"
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        "Cnt:0x%03X\r\n",
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        instance->generic.protocol_name,
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        instance->generic.data_count_bit,
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        code_found_hi,
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        code_found_lo,
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        instance->generic.serial,
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        instance->generic.btn,
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        instance->generic.cnt);
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}
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