4000f0cac5
* Furi strings: printf attribute * Logs: printf attribute * Plugins: adapt * Plugins: accommodate * Unit tests: accommodate Co-authored-by: あく <alleteam@gmail.com>
288 lines
11 KiB
C
288 lines
11 KiB
C
#include "scher_khan.h"
|
|
|
|
#include "../blocks/const.h"
|
|
#include "../blocks/decoder.h"
|
|
#include "../blocks/encoder.h"
|
|
#include "../blocks/generic.h"
|
|
#include "../blocks/math.h"
|
|
|
|
//https://phreakerclub.com/72
|
|
//https://phreakerclub.com/forum/showthread.php?t=7&page=2
|
|
//https://phreakerclub.com/forum/showthread.php?t=274&highlight=magicar
|
|
//!!! https://phreakerclub.com/forum/showthread.php?t=489&highlight=magicar&page=5
|
|
|
|
#define TAG "SubGhzProtocolScherKhan"
|
|
|
|
static const SubGhzBlockConst subghz_protocol_scher_khan_const = {
|
|
.te_short = 750,
|
|
.te_long = 1100,
|
|
.te_delta = 150,
|
|
.min_count_bit_for_found = 35,
|
|
};
|
|
|
|
struct SubGhzProtocolDecoderScherKhan {
|
|
SubGhzProtocolDecoderBase base;
|
|
|
|
SubGhzBlockDecoder decoder;
|
|
SubGhzBlockGeneric generic;
|
|
|
|
uint16_t header_count;
|
|
const char* protocol_name;
|
|
};
|
|
|
|
struct SubGhzProtocolEncoderScherKhan {
|
|
SubGhzProtocolEncoderBase base;
|
|
|
|
SubGhzProtocolBlockEncoder encoder;
|
|
SubGhzBlockGeneric generic;
|
|
};
|
|
|
|
typedef enum {
|
|
ScherKhanDecoderStepReset = 0,
|
|
ScherKhanDecoderStepCheckPreambula,
|
|
ScherKhanDecoderStepSaveDuration,
|
|
ScherKhanDecoderStepCheckDuration,
|
|
} ScherKhanDecoderStep;
|
|
|
|
const SubGhzProtocolDecoder subghz_protocol_scher_khan_decoder = {
|
|
.alloc = subghz_protocol_decoder_scher_khan_alloc,
|
|
.free = subghz_protocol_decoder_scher_khan_free,
|
|
|
|
.feed = subghz_protocol_decoder_scher_khan_feed,
|
|
.reset = subghz_protocol_decoder_scher_khan_reset,
|
|
|
|
.get_hash_data = subghz_protocol_decoder_scher_khan_get_hash_data,
|
|
.serialize = subghz_protocol_decoder_scher_khan_serialize,
|
|
.deserialize = subghz_protocol_decoder_scher_khan_deserialize,
|
|
.get_string = subghz_protocol_decoder_scher_khan_get_string,
|
|
};
|
|
|
|
const SubGhzProtocolEncoder subghz_protocol_scher_khan_encoder = {
|
|
.alloc = NULL,
|
|
.free = NULL,
|
|
|
|
.deserialize = NULL,
|
|
.stop = NULL,
|
|
.yield = NULL,
|
|
};
|
|
|
|
const SubGhzProtocol subghz_protocol_scher_khan = {
|
|
.name = SUBGHZ_PROTOCOL_SCHER_KHAN_NAME,
|
|
.type = SubGhzProtocolTypeDynamic,
|
|
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_FM | SubGhzProtocolFlag_Decodable,
|
|
|
|
.decoder = &subghz_protocol_scher_khan_decoder,
|
|
.encoder = &subghz_protocol_scher_khan_encoder,
|
|
};
|
|
|
|
void* subghz_protocol_decoder_scher_khan_alloc(SubGhzEnvironment* environment) {
|
|
UNUSED(environment);
|
|
SubGhzProtocolDecoderScherKhan* instance = malloc(sizeof(SubGhzProtocolDecoderScherKhan));
|
|
instance->base.protocol = &subghz_protocol_scher_khan;
|
|
instance->generic.protocol_name = instance->base.protocol->name;
|
|
|
|
return instance;
|
|
}
|
|
|
|
void subghz_protocol_decoder_scher_khan_free(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
free(instance);
|
|
}
|
|
|
|
void subghz_protocol_decoder_scher_khan_reset(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
|
|
void subghz_protocol_decoder_scher_khan_feed(void* context, bool level, uint32_t duration) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
|
|
switch(instance->decoder.parser_step) {
|
|
case ScherKhanDecoderStepReset:
|
|
if((level) && (DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short * 2) <
|
|
subghz_protocol_scher_khan_const.te_delta)) {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepCheckPreambula;
|
|
instance->decoder.te_last = duration;
|
|
instance->header_count = 0;
|
|
}
|
|
break;
|
|
case ScherKhanDecoderStepCheckPreambula:
|
|
if(level) {
|
|
if((DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short * 2) <
|
|
subghz_protocol_scher_khan_const.te_delta) ||
|
|
(DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short) <
|
|
subghz_protocol_scher_khan_const.te_delta)) {
|
|
instance->decoder.te_last = duration;
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
} else if(
|
|
(DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short * 2) <
|
|
subghz_protocol_scher_khan_const.te_delta) ||
|
|
(DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short) <
|
|
subghz_protocol_scher_khan_const.te_delta)) {
|
|
if(DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_scher_khan_const.te_short * 2) <
|
|
subghz_protocol_scher_khan_const.te_delta) {
|
|
// Found header
|
|
instance->header_count++;
|
|
break;
|
|
} else if(
|
|
DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_scher_khan_const.te_short) <
|
|
subghz_protocol_scher_khan_const.te_delta) {
|
|
// Found start bit
|
|
if(instance->header_count >= 2) {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepSaveDuration;
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 1;
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
break;
|
|
case ScherKhanDecoderStepSaveDuration:
|
|
if(level) {
|
|
if(duration >= (uint32_t)(subghz_protocol_scher_khan_const.te_long +
|
|
subghz_protocol_scher_khan_const.te_delta * 2)) {
|
|
//Found stop bit
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
if(instance->decoder.decode_count_bit >=
|
|
subghz_protocol_scher_khan_const.min_count_bit_for_found) {
|
|
instance->generic.data = instance->decoder.decode_data;
|
|
instance->generic.data_count_bit = instance->decoder.decode_count_bit;
|
|
if(instance->base.callback)
|
|
instance->base.callback(&instance->base, instance->base.context);
|
|
}
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
break;
|
|
} else {
|
|
instance->decoder.te_last = duration;
|
|
instance->decoder.parser_step = ScherKhanDecoderStepCheckDuration;
|
|
}
|
|
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
break;
|
|
case ScherKhanDecoderStepCheckDuration:
|
|
if(!level) {
|
|
if((DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_scher_khan_const.te_short) <
|
|
subghz_protocol_scher_khan_const.te_delta) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_short) <
|
|
subghz_protocol_scher_khan_const.te_delta)) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
|
|
instance->decoder.parser_step = ScherKhanDecoderStepSaveDuration;
|
|
} else if(
|
|
(DURATION_DIFF(
|
|
instance->decoder.te_last, subghz_protocol_scher_khan_const.te_long) <
|
|
subghz_protocol_scher_khan_const.te_delta) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_scher_khan_const.te_long) <
|
|
subghz_protocol_scher_khan_const.te_delta)) {
|
|
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
|
|
instance->decoder.parser_step = ScherKhanDecoderStepSaveDuration;
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
} else {
|
|
instance->decoder.parser_step = ScherKhanDecoderStepReset;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Analysis of received data
|
|
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
|
* @param protocol_name
|
|
*/
|
|
static void subghz_protocol_scher_khan_check_remote_controller(
|
|
SubGhzBlockGeneric* instance,
|
|
const char** protocol_name) {
|
|
/*
|
|
* MAGICAR 51 bit 00000001A99121DE83C3 MAGIC CODE, Dynamic
|
|
* 0E8C1619E830C -> 000011101000110000010110 0001 1001 1110 1000001100001100
|
|
* 0E8C1629D830D -> 000011101000110000010110 0010 1001 1101 1000001100001101
|
|
* 0E8C1649B830E -> 000011101000110000010110 0100 1001 1011 1000001100001110
|
|
* 0E8C16897830F -> 000011101000110000010110 1000 1001 0111 1000001100001111
|
|
* Serial Key Ser ~Key CNT
|
|
*/
|
|
|
|
switch(instance->data_count_bit) {
|
|
// case 35: //MAGIC CODE, Static
|
|
// instance->protocol_name = "MAGIC CODE, Static";
|
|
// break;
|
|
case 51: //MAGIC CODE, Dynamic
|
|
*protocol_name = "MAGIC CODE, Dynamic";
|
|
instance->serial = ((instance->data >> 24) & 0xFFFFFF0) | ((instance->data >> 20) & 0x0F);
|
|
instance->btn = (instance->data >> 24) & 0x0F;
|
|
instance->cnt = instance->data & 0xFFFF;
|
|
break;
|
|
// case 57: //MAGIC CODE PRO / PRO2
|
|
// instance->protocol_name = "MAGIC CODE PRO / PRO2";
|
|
// break;
|
|
|
|
default:
|
|
*protocol_name = "Unknown";
|
|
instance->serial = 0;
|
|
instance->btn = 0;
|
|
instance->cnt = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
uint8_t subghz_protocol_decoder_scher_khan_get_hash_data(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
return subghz_protocol_blocks_get_hash_data(
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_scher_khan_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
SubGhzPresetDefinition* preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_scher_khan_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
return subghz_block_generic_deserialize(&instance->generic, flipper_format);
|
|
}
|
|
|
|
void subghz_protocol_decoder_scher_khan_get_string(void* context, FuriString* output) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderScherKhan* instance = context;
|
|
|
|
subghz_protocol_scher_khan_check_remote_controller(
|
|
&instance->generic, &instance->protocol_name);
|
|
|
|
furi_string_cat_printf(
|
|
output,
|
|
"%s %dbit\r\n"
|
|
"Key:0x%lX%08lX\r\n"
|
|
"Sn:%07lX Btn:%X Cnt:%04lX\r\n"
|
|
"Pt: %s\r\n",
|
|
instance->generic.protocol_name,
|
|
instance->generic.data_count_bit,
|
|
(uint32_t)(instance->generic.data >> 32),
|
|
(uint32_t)instance->generic.data,
|
|
instance->generic.serial,
|
|
instance->generic.btn,
|
|
instance->generic.cnt,
|
|
instance->protocol_name);
|
|
}
|