4d6b170769
* Fixing compiler warnings with -Wextra * More warnings suppression, WIP * Even more warning fixes * Added new lines at end of text files. * Padding fix * Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline * Fixes for Secplus v1 * -additional warnings * +-Wredundant-decls fixes * FuriHal: print stack overflow task name in console * FuriHal: add missing include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
371 lines
14 KiB
C
371 lines
14 KiB
C
#include "secplus_v1.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_v1.c
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*/
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#define TAG "SubGhzProtocoSecPlus_v1"
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#define SECPLUS_V1_BIT_ERR -1 //0b0000
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#define SECPLUS_V1_BIT_0 0 //0b0001
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#define SECPLUS_V1_BIT_1 1 //0b0011
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#define SECPLUS_V1_BIT_2 2 //0b0111
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#define SECPLUS_V1_PACKET_1_HEADER 0x00
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#define SECPLUS_V1_PACKET_2_HEADER 0x02
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#define SECPLUS_V1_PACKET_1_INDEX_BASE 0
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#define SECPLUS_V1_PACKET_2_INDEX_BASE 21
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#define SECPLUS_V1_PACKET_1_ACCEPTED (1 << 0)
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#define SECPLUS_V1_PACKET_2_ACCEPTED (1 << 1)
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static const SubGhzBlockConst subghz_protocol_secplus_v1_const = {
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.te_short = 500,
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.te_long = 1500,
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.te_delta = 100,
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.min_count_bit_for_found = 21,
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};
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struct SubGhzProtocolDecoderSecPlus_v1 {
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SubGhzProtocolDecoderBase base;
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SubGhzBlockDecoder decoder;
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SubGhzBlockGeneric generic;
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uint8_t packet_accepted;
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uint8_t base_packet_index;
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uint8_t data_array[44];
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};
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struct SubGhzProtocolEncoderSecPlus_v1 {
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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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SecPlus_v1DecoderStepReset = 0,
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SecPlus_v1DecoderStepSearchStartBit,
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SecPlus_v1DecoderStepSaveDuration,
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SecPlus_v1DecoderStepDecoderData,
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} SecPlus_v1DecoderStep;
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const SubGhzProtocolDecoder subghz_protocol_secplus_v1_decoder = {
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.alloc = subghz_protocol_decoder_secplus_v1_alloc,
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.free = subghz_protocol_decoder_secplus_v1_free,
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.feed = subghz_protocol_decoder_secplus_v1_feed,
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.reset = subghz_protocol_decoder_secplus_v1_reset,
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.get_hash_data = subghz_protocol_decoder_secplus_v1_get_hash_data,
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.serialize = subghz_protocol_decoder_secplus_v1_serialize,
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.deserialize = subghz_protocol_decoder_secplus_v1_deserialize,
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.get_string = subghz_protocol_decoder_secplus_v1_get_string,
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};
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const SubGhzProtocolEncoder subghz_protocol_secplus_v1_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_secplus_v1 = {
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.name = SUBGHZ_PROTOCOL_SECPLUS_V1_NAME,
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.type = SubGhzProtocolTypeDynamic,
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.flag = SubGhzProtocolFlag_315 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
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.decoder = &subghz_protocol_secplus_v1_decoder,
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.encoder = &subghz_protocol_secplus_v1_encoder,
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};
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void* subghz_protocol_decoder_secplus_v1_alloc(SubGhzEnvironment* environment) {
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UNUSED(environment);
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SubGhzProtocolDecoderSecPlus_v1* instance = malloc(sizeof(SubGhzProtocolDecoderSecPlus_v1));
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instance->base.protocol = &subghz_protocol_secplus_v1;
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instance->generic.protocol_name = instance->base.protocol->name;
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return instance;
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}
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void subghz_protocol_decoder_secplus_v1_free(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* instance = context;
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free(instance);
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}
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void subghz_protocol_decoder_secplus_v1_reset(void* context) {
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furi_assert(context);
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// SubGhzProtocolDecoderSecPlus_v1* instance = context;
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// does not reset the decoder because you need to get 2 parts of the package
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}
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/**
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* Security+ 1.0 half-message decoding
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* @param instance SubGhzProtocolDecoderSecPlus_v1*
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*/
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static void subghz_protocol_secplus_v1_decode(SubGhzProtocolDecoderSecPlus_v1* instance) {
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uint32_t rolling = 0;
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uint32_t fixed = 0;
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uint32_t acc = 0;
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uint8_t digit = 0;
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//decode packet 1
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for(uint8_t i = 1; i < 21; i += 2) {
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digit = instance->data_array[i];
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rolling = (rolling * 3) + digit;
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acc += digit;
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digit = (60 + instance->data_array[i + 1] - acc) % 3;
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fixed = (fixed * 3) + digit;
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acc += digit;
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}
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acc = 0;
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//decode packet 2
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for(uint8_t i = 22; i < 42; i += 2) {
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digit = instance->data_array[i];
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rolling = (rolling * 3) + digit;
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acc += digit;
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digit = (60 + instance->data_array[i + 1] - acc) % 3;
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fixed = (fixed * 3) + digit;
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acc += digit;
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}
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rolling = subghz_protocol_blocks_reverse_key(rolling, 32);
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instance->generic.data = (uint64_t)fixed << 32 | rolling;
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instance->generic.data_count_bit =
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subghz_protocol_secplus_v1_const.min_count_bit_for_found * 2;
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}
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void subghz_protocol_decoder_secplus_v1_feed(void* context, bool level, uint32_t duration) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* instance = context;
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switch(instance->decoder.parser_step) {
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case SecPlus_v1DecoderStepReset:
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if((!level) && (DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 120) <
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subghz_protocol_secplus_v1_const.te_delta * 120)) {
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//Found header Security+ 1.0
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instance->decoder.parser_step = SecPlus_v1DecoderStepSearchStartBit;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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instance->packet_accepted = 0;
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memset(instance->data_array, 0, sizeof(instance->data_array));
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}
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break;
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case SecPlus_v1DecoderStepSearchStartBit:
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if(level) {
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if(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short) <
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subghz_protocol_secplus_v1_const.te_delta) {
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instance->base_packet_index = SECPLUS_V1_PACKET_1_INDEX_BASE;
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instance
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->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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SECPLUS_V1_BIT_0;
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instance->decoder.decode_count_bit++;
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instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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} else if(
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DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_long) <
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subghz_protocol_secplus_v1_const.te_delta) {
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instance->base_packet_index = SECPLUS_V1_PACKET_2_INDEX_BASE;
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instance
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->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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SECPLUS_V1_BIT_2;
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instance->decoder.decode_count_bit++;
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instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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break;
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case SecPlus_v1DecoderStepSaveDuration:
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if(!level) { //save interval
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if(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 120) <
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subghz_protocol_secplus_v1_const.te_delta * 120) {
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if(instance->decoder.decode_count_bit ==
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subghz_protocol_secplus_v1_const.min_count_bit_for_found) {
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if(instance->base_packet_index == SECPLUS_V1_PACKET_1_INDEX_BASE)
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instance->packet_accepted |= SECPLUS_V1_PACKET_1_ACCEPTED;
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if(instance->base_packet_index == SECPLUS_V1_PACKET_2_INDEX_BASE)
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instance->packet_accepted |= SECPLUS_V1_PACKET_2_ACCEPTED;
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if(instance->packet_accepted ==
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(SECPLUS_V1_PACKET_1_ACCEPTED | SECPLUS_V1_PACKET_2_ACCEPTED)) {
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subghz_protocol_secplus_v1_decode(instance);
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if(instance->base.callback)
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instance->base.callback(&instance->base, instance->base.context);
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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}
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instance->decoder.parser_step = SecPlus_v1DecoderStepSearchStartBit;
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instance->decoder.decode_data = 0;
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instance->decoder.decode_count_bit = 0;
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} else {
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instance->decoder.te_last = duration;
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instance->decoder.parser_step = SecPlus_v1DecoderStepDecoderData;
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}
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} else {
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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break;
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case SecPlus_v1DecoderStepDecoderData:
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if(level && (instance->decoder.decode_count_bit <=
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subghz_protocol_secplus_v1_const.min_count_bit_for_found)) {
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if((DURATION_DIFF(
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instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short * 3) <
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subghz_protocol_secplus_v1_const.te_delta * 3) &&
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(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short) <
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subghz_protocol_secplus_v1_const.te_delta)) {
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instance
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->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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SECPLUS_V1_BIT_0;
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instance->decoder.decode_count_bit++;
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instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(
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instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short * 2) <
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subghz_protocol_secplus_v1_const.te_delta * 2) &&
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(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 2) <
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subghz_protocol_secplus_v1_const.te_delta * 2)) {
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instance
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->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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SECPLUS_V1_BIT_1;
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instance->decoder.decode_count_bit++;
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instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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} else if(
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(DURATION_DIFF(
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instance->decoder.te_last, subghz_protocol_secplus_v1_const.te_short) <
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subghz_protocol_secplus_v1_const.te_delta) &&
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(DURATION_DIFF(duration, subghz_protocol_secplus_v1_const.te_short * 3) <
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subghz_protocol_secplus_v1_const.te_delta * 3)) {
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instance
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->data_array[instance->decoder.decode_count_bit + instance->base_packet_index] =
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SECPLUS_V1_BIT_2;
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instance->decoder.decode_count_bit++;
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instance->decoder.parser_step = SecPlus_v1DecoderStepSaveDuration;
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} else {
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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} else {
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instance->decoder.parser_step = SecPlus_v1DecoderStepReset;
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}
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break;
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}
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}
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uint8_t subghz_protocol_decoder_secplus_v1_get_hash_data(void* context) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* 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_secplus_v1_serialize(
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void* context,
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FlipperFormat* flipper_format,
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uint32_t frequency,
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FuriHalSubGhzPreset preset) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* instance = context;
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return subghz_block_generic_serialize(&instance->generic, flipper_format, frequency, preset);
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}
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bool subghz_protocol_decoder_secplus_v1_deserialize(void* context, FlipperFormat* flipper_format) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* 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_secplus_v1_get_string(void* context, string_t output) {
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furi_assert(context);
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SubGhzProtocolDecoderSecPlus_v1* instance = context;
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uint32_t fixed = (instance->generic.data >> 32) & 0xFFFFFFFF;
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instance->generic.cnt = instance->generic.data & 0xFFFFFFFF;
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instance->generic.btn = fixed % 3;
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uint8_t id0 = (fixed / 3) % 3;
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uint8_t id1 = (fixed / 9) % 3;
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uint16_t pin = 0;
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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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"id1:%d id0:%d",
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instance->generic.protocol_name,
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instance->generic.data_count_bit,
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(uint32_t)(instance->generic.data >> 32),
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(uint32_t)instance->generic.data,
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id1,
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id0);
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if(id1 == 0) {
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// (fixed // 3**3) % (3**7) 3^3=27 3^73=72187
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instance->generic.serial = (fixed / 27) % 2187;
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// pin = (fixed // 3**10) % (3**9) 3^10=59049 3^9=19683
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pin = (fixed / 59049) % 19683;
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if(pin <= 9999) {
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string_cat_printf(output, " pin:%d", pin);
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} else if(10000 <= pin && pin <= 11029) {
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string_cat_printf(output, " pin:enter");
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}
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int pin_suffix = 0;
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// pin_suffix = (fixed // 3**19) % 3 3^19=1162261467
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pin_suffix = (fixed / 1162261467) % 3;
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if(pin_suffix == 1) {
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string_cat_printf(output, " #\r\n");
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} else if(pin_suffix == 2) {
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string_cat_printf(output, " *\r\n");
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} else {
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string_cat_printf(output, "\r\n");
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}
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string_cat_printf(
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output,
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"Sn:0x%08lX\r\n"
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"Cnt:0x%03X\r\n"
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"Sw_id:0x%X\r\n",
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instance->generic.serial,
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instance->generic.cnt,
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instance->generic.btn);
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} else {
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//id = fixed / 27;
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instance->generic.serial = fixed / 27;
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if(instance->generic.btn == 1) {
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string_cat_printf(output, " Btn:left\r\n");
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} else if(instance->generic.btn == 0) {
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string_cat_printf(output, " Btn:middle\r\n");
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} else if(instance->generic.btn == 2) {
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string_cat_printf(output, " Btn:right\r\n");
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}
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string_cat_printf(
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output,
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"Sn:0x%08lX\r\n"
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"Cnt:0x%03X\r\n"
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"Sw_id:0x%X\r\n",
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instance->generic.serial,
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instance->generic.cnt,
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instance->generic.btn);
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}
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}
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