mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
synced 2024-12-18 19:01:47 +03:00
802 lines
31 KiB
C
802 lines
31 KiB
C
#include "somfy_keytis.h"
|
||
#include <lib/toolbox/manchester_decoder.h>
|
||
|
||
#include "../blocks/const.h"
|
||
#include "../blocks/decoder.h"
|
||
#include "../blocks/encoder.h"
|
||
#include "../blocks/generic.h"
|
||
#include "../blocks/math.h"
|
||
|
||
#define TAG "SubGhzProtocolSomfyKeytis"
|
||
|
||
static const SubGhzBlockConst subghz_protocol_somfy_keytis_const = {
|
||
.te_short = 640,
|
||
.te_long = 1280,
|
||
.te_delta = 250,
|
||
.min_count_bit_for_found = 80,
|
||
};
|
||
|
||
struct SubGhzProtocolDecoderSomfyKeytis {
|
||
SubGhzProtocolDecoderBase base;
|
||
|
||
SubGhzBlockDecoder decoder;
|
||
SubGhzBlockGeneric generic;
|
||
|
||
uint16_t header_count;
|
||
ManchesterState manchester_saved_state;
|
||
uint32_t press_duration_counter;
|
||
};
|
||
|
||
struct SubGhzProtocolEncoderSomfyKeytis {
|
||
SubGhzProtocolEncoderBase base;
|
||
|
||
SubGhzProtocolBlockEncoder encoder;
|
||
SubGhzBlockGeneric generic;
|
||
};
|
||
|
||
typedef enum {
|
||
SomfyKeytisDecoderStepReset = 0,
|
||
SomfyKeytisDecoderStepCheckPreambula,
|
||
SomfyKeytisDecoderStepFoundPreambula,
|
||
SomfyKeytisDecoderStepStartDecode,
|
||
SomfyKeytisDecoderStepDecoderData,
|
||
} SomfyKeytisDecoderStep;
|
||
|
||
const SubGhzProtocolDecoder subghz_protocol_somfy_keytis_decoder = {
|
||
.alloc = subghz_protocol_decoder_somfy_keytis_alloc,
|
||
.free = subghz_protocol_decoder_somfy_keytis_free,
|
||
|
||
.feed = subghz_protocol_decoder_somfy_keytis_feed,
|
||
.reset = subghz_protocol_decoder_somfy_keytis_reset,
|
||
|
||
.get_hash_data = subghz_protocol_decoder_somfy_keytis_get_hash_data,
|
||
.serialize = subghz_protocol_decoder_somfy_keytis_serialize,
|
||
.deserialize = subghz_protocol_decoder_somfy_keytis_deserialize,
|
||
.get_string = subghz_protocol_decoder_somfy_keytis_get_string,
|
||
};
|
||
|
||
const SubGhzProtocol subghz_protocol_somfy_keytis = {
|
||
.name = SUBGHZ_PROTOCOL_SOMFY_KEYTIS_NAME,
|
||
.type = SubGhzProtocolTypeDynamic,
|
||
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_AM |
|
||
SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
|
||
|
||
.decoder = &subghz_protocol_somfy_keytis_decoder,
|
||
.encoder = &subghz_protocol_somfy_keytis_encoder,
|
||
};
|
||
|
||
const SubGhzProtocolEncoder subghz_protocol_somfy_keytis_encoder = {
|
||
.alloc = subghz_protocol_encoder_somfy_keytis_alloc,
|
||
.free = subghz_protocol_encoder_somfy_keytis_free,
|
||
|
||
.deserialize = subghz_protocol_encoder_somfy_keytis_deserialize,
|
||
.stop = subghz_protocol_encoder_somfy_keytis_stop,
|
||
.yield = subghz_protocol_encoder_somfy_keytis_yield,
|
||
};
|
||
|
||
void* subghz_protocol_encoder_somfy_keytis_alloc(SubGhzEnvironment* environment) {
|
||
UNUSED(environment);
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = malloc(sizeof(SubGhzProtocolEncoderSomfyKeytis));
|
||
|
||
instance->base.protocol = &subghz_protocol_somfy_keytis;
|
||
instance->generic.protocol_name = instance->base.protocol->name;
|
||
|
||
instance->encoder.repeat = 10;
|
||
instance->encoder.size_upload = 512;
|
||
instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
|
||
instance->encoder.is_running = false;
|
||
|
||
return instance;
|
||
}
|
||
|
||
void* subghz_protocol_decoder_somfy_keytis_alloc(SubGhzEnvironment* environment) {
|
||
UNUSED(environment);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = malloc(sizeof(SubGhzProtocolDecoderSomfyKeytis));
|
||
instance->base.protocol = &subghz_protocol_somfy_keytis;
|
||
instance->generic.protocol_name = instance->base.protocol->name;
|
||
|
||
return instance;
|
||
}
|
||
|
||
void subghz_protocol_encoder_somfy_keytis_free(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = context;
|
||
free(instance->encoder.upload);
|
||
free(instance);
|
||
}
|
||
|
||
void subghz_protocol_decoder_somfy_keytis_free(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
free(instance);
|
||
}
|
||
|
||
void subghz_protocol_decoder_somfy_keytis_reset(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepReset;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
|
||
static bool
|
||
subghz_protocol_somfy_keytis_gen_data(SubGhzProtocolEncoderSomfyKeytis* instance, uint8_t btn) {
|
||
UNUSED(btn);
|
||
uint64_t data = instance->generic.data ^ (instance->generic.data >> 8);
|
||
instance->generic.btn = (data >> 48) & 0xF;
|
||
instance->generic.cnt = (data >> 24) & 0xFFFF;
|
||
instance->generic.serial = data & 0xFFFFFF;
|
||
|
||
if(instance->generic.cnt < 0xFFFF) {
|
||
if((instance->generic.cnt + furi_hal_subghz_get_rolling_counter_mult()) >= 0xFFFF) {
|
||
instance->generic.cnt = 0;
|
||
} else {
|
||
instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
|
||
}
|
||
} else if(instance->generic.cnt >= 0xFFFF) {
|
||
instance->generic.cnt = 0;
|
||
}
|
||
|
||
uint8_t frame[10];
|
||
frame[0] = (0xA << 4) | instance->generic.btn;
|
||
frame[1] = 0xF << 4;
|
||
frame[2] = instance->generic.cnt >> 8;
|
||
frame[3] = instance->generic.cnt;
|
||
frame[4] = instance->generic.serial >> 16;
|
||
frame[5] = instance->generic.serial >> 8;
|
||
frame[6] = instance->generic.serial;
|
||
frame[7] = 0xC4;
|
||
frame[8] = 0x00;
|
||
frame[9] = 0x19;
|
||
|
||
uint8_t checksum = 0;
|
||
for(uint8_t i = 0; i < 7; i++) {
|
||
checksum = checksum ^ frame[i] ^ (frame[i] >> 4);
|
||
}
|
||
checksum &= 0xF;
|
||
|
||
frame[1] |= checksum;
|
||
|
||
for(uint8_t i = 1; i < 7; i++) {
|
||
frame[i] ^= frame[i - 1];
|
||
}
|
||
data = 0;
|
||
for(uint8_t i = 0; i < 7; ++i) {
|
||
data <<= 8;
|
||
data |= frame[i];
|
||
}
|
||
instance->generic.data = data;
|
||
data = 0;
|
||
for(uint8_t i = 7; i < 10; ++i) {
|
||
data <<= 8;
|
||
data |= frame[i];
|
||
}
|
||
instance->generic.data_2 = data;
|
||
return true;
|
||
}
|
||
|
||
bool subghz_protocol_somfy_keytis_create_data(
|
||
void* context,
|
||
FlipperFormat* flipper_format,
|
||
uint32_t serial,
|
||
uint8_t btn,
|
||
uint16_t cnt,
|
||
SubGhzRadioPreset* preset) {
|
||
furi_assert(context);
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = context;
|
||
instance->generic.serial = serial;
|
||
instance->generic.cnt = cnt;
|
||
instance->generic.data_count_bit = 80;
|
||
bool res = subghz_protocol_somfy_keytis_gen_data(instance, btn);
|
||
if(res) {
|
||
res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
||
}
|
||
return res;
|
||
}
|
||
|
||
/**
|
||
* Generating an upload from data.
|
||
* @param instance Pointer to a SubGhzProtocolEncoderKeeloq instance
|
||
* @return true On success
|
||
*/
|
||
static bool subghz_protocol_encoder_somfy_keytis_get_upload(
|
||
SubGhzProtocolEncoderSomfyKeytis* instance,
|
||
uint8_t btn) {
|
||
furi_assert(instance);
|
||
|
||
//gen new key
|
||
if(subghz_protocol_somfy_keytis_gen_data(instance, btn)) {
|
||
//ToDo if you need to add a callback to automatically update the data on the display
|
||
} else {
|
||
return false;
|
||
}
|
||
|
||
size_t index = 0;
|
||
|
||
//Send header
|
||
//Wake up
|
||
instance->encoder.upload[index++] = level_duration_make(true, (uint32_t)9415); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(false, (uint32_t)89565); // 0
|
||
//Hardware sync
|
||
for(uint8_t i = 0; i < 12; ++i) {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 4); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 4); // 0
|
||
}
|
||
//Software sync
|
||
instance->encoder.upload[index++] = level_duration_make(true, (uint32_t)4550); // 1
|
||
instance->encoder.upload[index++] =
|
||
level_duration_make(false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
|
||
//Send key data MSB manchester
|
||
|
||
for(uint8_t i = instance->generic.data_count_bit - 24; i > 0; i--) {
|
||
if(bit_read(instance->generic.data, i - 1)) {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 00
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
}
|
||
|
||
} else {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_HIGH) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 11
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
}
|
||
}
|
||
}
|
||
|
||
for(uint8_t i = 24; i > 0; i--) {
|
||
if(bit_read(instance->generic.data_2, i - 1)) {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 00
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
}
|
||
|
||
} else {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_HIGH) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 11
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
}
|
||
}
|
||
}
|
||
|
||
//Inter-frame silence
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration +=
|
||
(uint32_t)subghz_protocol_somfy_keytis_const.te_short * 3;
|
||
} else {
|
||
instance->encoder.upload[index++] =
|
||
level_duration_make(false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 3);
|
||
}
|
||
|
||
for(uint8_t i = 0; i < 2; ++i) {
|
||
//Hardware sync
|
||
for(uint8_t i = 0; i < 6; ++i) {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 4); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 4); // 0
|
||
}
|
||
//Software sync
|
||
instance->encoder.upload[index++] = level_duration_make(true, (uint32_t)4550); // 1
|
||
instance->encoder.upload[index++] =
|
||
level_duration_make(false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
|
||
//Send key data MSB manchester
|
||
|
||
for(uint8_t i = instance->generic.data_count_bit - 24; i > 0; i--) {
|
||
if(bit_read(instance->generic.data, i - 1)) {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 00
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
}
|
||
|
||
} else {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_HIGH) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 11
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
}
|
||
}
|
||
}
|
||
|
||
for(uint8_t i = 24; i > 0; i--) {
|
||
if(bit_read(instance->generic.data_2, i - 1)) {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 00
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
}
|
||
|
||
} else {
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_HIGH) {
|
||
instance->encoder.upload[index - 1].duration *= 2; // 11
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
true, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 1
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short); // 0
|
||
}
|
||
}
|
||
}
|
||
//Inter-frame silence
|
||
if(instance->encoder.upload[index - 1].level == LEVEL_DURATION_LEVEL_LOW) {
|
||
instance->encoder.upload[index - 1].duration +=
|
||
(uint32_t)subghz_protocol_somfy_keytis_const.te_short * 3;
|
||
} else {
|
||
instance->encoder.upload[index++] = level_duration_make(
|
||
false, (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 3);
|
||
}
|
||
}
|
||
|
||
//Inter-frame silence
|
||
instance->encoder.upload[index - 1].duration +=
|
||
(uint32_t)30415 - (uint32_t)subghz_protocol_somfy_keytis_const.te_short * 3;
|
||
|
||
size_t size_upload = index;
|
||
|
||
if(size_upload > instance->encoder.size_upload) {
|
||
FURI_LOG_E(TAG, "Size upload exceeds allocated encoder buffer.");
|
||
return false;
|
||
} else {
|
||
instance->encoder.size_upload = size_upload;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
bool subghz_protocol_encoder_somfy_keytis_deserialize(void* context, FlipperFormat* flipper_format) {
|
||
furi_assert(context);
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = context;
|
||
bool res = false;
|
||
do {
|
||
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
||
FURI_LOG_E(TAG, "Deserialize error");
|
||
break;
|
||
}
|
||
|
||
//optional parameter parameter
|
||
flipper_format_read_uint32(
|
||
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
|
||
|
||
subghz_protocol_encoder_somfy_keytis_get_upload(instance, instance->generic.btn);
|
||
|
||
if(!flipper_format_rewind(flipper_format)) {
|
||
FURI_LOG_E(TAG, "Rewind error");
|
||
break;
|
||
}
|
||
uint8_t key_data[sizeof(uint64_t)] = {0};
|
||
for(size_t i = 0; i < sizeof(uint64_t); i++) {
|
||
key_data[sizeof(uint64_t) - i - 1] = (instance->generic.data >> i * 8) & 0xFF;
|
||
}
|
||
if(!flipper_format_update_hex(flipper_format, "Key", key_data, sizeof(uint64_t))) {
|
||
FURI_LOG_E(TAG, "Unable to add Key");
|
||
break;
|
||
}
|
||
|
||
instance->encoder.is_running = true;
|
||
|
||
res = true;
|
||
} while(false);
|
||
|
||
return res;
|
||
}
|
||
|
||
void subghz_protocol_encoder_somfy_keytis_stop(void* context) {
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = context;
|
||
instance->encoder.is_running = false;
|
||
}
|
||
|
||
LevelDuration subghz_protocol_encoder_somfy_keytis_yield(void* context) {
|
||
SubGhzProtocolEncoderSomfyKeytis* instance = context;
|
||
|
||
if(instance->encoder.repeat == 0 || !instance->encoder.is_running) {
|
||
instance->encoder.is_running = false;
|
||
return level_duration_reset();
|
||
}
|
||
|
||
LevelDuration ret = instance->encoder.upload[instance->encoder.front];
|
||
|
||
if(++instance->encoder.front == instance->encoder.size_upload) {
|
||
instance->encoder.repeat--;
|
||
instance->encoder.front = 0;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* Сhecksum calculation.
|
||
* @param data Вata for checksum calculation
|
||
* @return CRC
|
||
*/
|
||
static uint8_t subghz_protocol_somfy_keytis_crc(uint64_t data) {
|
||
uint8_t crc = 0;
|
||
data &= 0xFFF0FFFFFFFFFF;
|
||
for(uint8_t i = 0; i < 56; i += 8) {
|
||
crc = crc ^ data >> i ^ (data >> (i + 4));
|
||
}
|
||
return crc & 0xf;
|
||
}
|
||
|
||
void subghz_protocol_decoder_somfy_keytis_feed(void* context, bool level, uint32_t duration) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
|
||
ManchesterEvent event = ManchesterEventReset;
|
||
switch(instance->decoder.parser_step) {
|
||
case SomfyKeytisDecoderStepReset:
|
||
if((level) && DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short * 4) <
|
||
subghz_protocol_somfy_keytis_const.te_delta * 4) {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepFoundPreambula;
|
||
instance->header_count++;
|
||
}
|
||
break;
|
||
case SomfyKeytisDecoderStepFoundPreambula:
|
||
if((!level) && (DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short * 4) <
|
||
subghz_protocol_somfy_keytis_const.te_delta * 4)) {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepCheckPreambula;
|
||
} else {
|
||
instance->header_count = 0;
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepReset;
|
||
}
|
||
break;
|
||
case SomfyKeytisDecoderStepCheckPreambula:
|
||
if(level) {
|
||
if(DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short * 4) <
|
||
subghz_protocol_somfy_keytis_const.te_delta * 4) {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepFoundPreambula;
|
||
instance->header_count++;
|
||
} else if(
|
||
(instance->header_count > 1) &&
|
||
(DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short * 7) <
|
||
subghz_protocol_somfy_keytis_const.te_delta * 4)) {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepDecoderData;
|
||
instance->decoder.decode_data = 0;
|
||
instance->decoder.decode_count_bit = 0;
|
||
instance->press_duration_counter = 0;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventLongHigh,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
}
|
||
}
|
||
|
||
break;
|
||
|
||
case SomfyKeytisDecoderStepDecoderData:
|
||
if(!level) {
|
||
if(DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short) <
|
||
subghz_protocol_somfy_keytis_const.te_delta) {
|
||
event = ManchesterEventShortLow;
|
||
} else if(
|
||
DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_long) <
|
||
subghz_protocol_somfy_keytis_const.te_delta) {
|
||
event = ManchesterEventLongLow;
|
||
} else if(
|
||
duration >= (subghz_protocol_somfy_keytis_const.te_long +
|
||
subghz_protocol_somfy_keytis_const.te_delta)) {
|
||
if(instance->decoder.decode_count_bit ==
|
||
subghz_protocol_somfy_keytis_const.min_count_bit_for_found) {
|
||
//check crc
|
||
uint64_t data_tmp = instance->generic.data ^ (instance->generic.data >> 8);
|
||
if(((data_tmp >> 40) & 0xF) == subghz_protocol_somfy_keytis_crc(data_tmp)) {
|
||
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;
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventReset,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
manchester_advance(
|
||
instance->manchester_saved_state,
|
||
ManchesterEventLongHigh,
|
||
&instance->manchester_saved_state,
|
||
NULL);
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepReset;
|
||
} else {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepReset;
|
||
}
|
||
} else {
|
||
if(DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_short) <
|
||
subghz_protocol_somfy_keytis_const.te_delta) {
|
||
event = ManchesterEventShortHigh;
|
||
} else if(
|
||
DURATION_DIFF(duration, subghz_protocol_somfy_keytis_const.te_long) <
|
||
subghz_protocol_somfy_keytis_const.te_delta) {
|
||
event = ManchesterEventLongHigh;
|
||
} else {
|
||
instance->decoder.parser_step = SomfyKeytisDecoderStepReset;
|
||
}
|
||
}
|
||
if(event != ManchesterEventReset) {
|
||
bool data;
|
||
bool data_ok = manchester_advance(
|
||
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
|
||
|
||
if(data_ok) {
|
||
if(instance->decoder.decode_count_bit < 56) {
|
||
instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
|
||
} else {
|
||
instance->press_duration_counter = (instance->press_duration_counter << 1) |
|
||
data;
|
||
}
|
||
|
||
instance->decoder.decode_count_bit++;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Analysis of received data
|
||
* @param instance Pointer to a SubGhzBlockGeneric* instance
|
||
*/
|
||
static void subghz_protocol_somfy_keytis_check_remote_controller(SubGhzBlockGeneric* instance) {
|
||
//https://pushstack.wordpress.com/somfy-rts-protocol/
|
||
/*
|
||
* 604 us
|
||
* /
|
||
* | 2416us | 2416us | 2416us | 2416us | 4550 us | |
|
||
*
|
||
* +--------+ +--------+ +---...---+
|
||
* + +--------+ +--------+ +--+XXXX...XXX+
|
||
*
|
||
* | hw. sync. | soft. | |
|
||
* | | sync. | data |
|
||
*
|
||
*
|
||
* encrypt | decrypt
|
||
*
|
||
* package 80 bit pdc key btn crc cnt serial
|
||
*
|
||
* 0xA453537C4B9855 C40019 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 C80026 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 CC0033 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 D00049 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 D4005C => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 D80063 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 DC0076 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 E00086 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 E40093 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 E800AC => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 EC00B9 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 F000C3 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 F400D6 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 F800E9 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 FC00FC => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 FC0102 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 FC0113 => 0xA 4 F 7 002F 37D3CD
|
||
* 0xA453537C4B9855 FC0120 => 0xA 4 F 7 002F 37D3CD
|
||
* ..........
|
||
* 0xA453537C4B9855 FC048F => 0xA 4 F 7 002F 37D3CD
|
||
*
|
||
* Pdc: "Press Duration Counter" the total delay of the button is sent 72 parcels,
|
||
* pdc cnt4b cnt8b pdc_crc
|
||
* C40019 => 11 0001 00 0000 00000001 1001
|
||
* C80026 => 11 0010 00 0000 00000010 0110
|
||
* CC0033 => 11 0011 00 0000 00000011 0011
|
||
* D00049 => 11 0100 00 0000 00000100 1001
|
||
* D4005C => 11 0101 00 0000 00000101 1100
|
||
* D80063 => 11 0110 00 0000 00000110 0011
|
||
* DC0076 => 11 0111 00 0000 00000111 0110
|
||
* E00086 => 11 1000 00 0000 00001000 0110
|
||
* E40093 => 11 1001 00 0000 00001001 0011
|
||
* E800AC => 11 1010 00 0000 00001010 1100
|
||
* EC00B9 => 11 1011 00 0000 00001011 1001
|
||
* F000C3 => 11 1100 00 0000 00001100 0011
|
||
* F400D6 => 11 1101 00 0000 00001101 0110
|
||
* F800E9 => 11 1110 00 0000 00001110 1001
|
||
* FC00FC => 11 1111 00 0000 00001111 1100
|
||
* FC0102 => 11 1111 00 0000 00010000 0010
|
||
* FC0113 => 11 1111 00 0000 00010001 0011
|
||
* FC0120 => 11 1111 00 0000 00010010 0000
|
||
*
|
||
* Cnt4b: 4-bit counter changes from 1 to 15 then always equals 15
|
||
* Cnt8b: 8-bit counter changes from 1 to 72 (0x48)
|
||
* Ppdc_crc:
|
||
* uint8_t crc=0;
|
||
* for(i=4; i<24; i+=4){
|
||
* crc ^=(pdc>>i);
|
||
* }
|
||
* return crc;
|
||
* example: crc = 1^0^0^4^C = 9
|
||
* 11, 00, 0000: const
|
||
*
|
||
* Key: “Encryption Key”, Most significant 4-bit are always 0xA, Least Significant bits is
|
||
* a linear counter. In the Smoove Origin this counter is increased together with the
|
||
* rolling code. But leaving this on a constant value also works. Gerardwr notes that
|
||
* for some other types of remotes the MSB is not constant.
|
||
* Btn: 4-bit Control codes, this indicates the button that is pressed
|
||
* CRC: 4-bit Checksum.
|
||
* Ctn: 16-bit rolling code (big-endian) increased with every button press.
|
||
* Serial: 24-bit identifier of sending device (little-endian)
|
||
*
|
||
*
|
||
* Decrypt
|
||
*
|
||
* uint8_t frame[7];
|
||
* for (i=1; i < 7; i++) {
|
||
* frame[i] = frame[i] ^ frame[i-1];
|
||
* }
|
||
* or
|
||
* uint64 Decrypt = frame ^ (frame>>8);
|
||
*
|
||
* CRC
|
||
*
|
||
* uint8_t frame[7];
|
||
* for (i=0; i < 7; i++) {
|
||
* crc = crc ^ frame[i] ^ (frame[i] >> 4);
|
||
* }
|
||
* crc = crc & 0xf;
|
||
*
|
||
*/
|
||
|
||
uint64_t data = instance->data ^ (instance->data >> 8);
|
||
instance->btn = (data >> 48) & 0xF;
|
||
instance->cnt = (data >> 24) & 0xFFFF;
|
||
instance->serial = data & 0xFFFFFF;
|
||
}
|
||
|
||
/**
|
||
* Get button name.
|
||
* @param btn Button number, 4 bit
|
||
*/
|
||
static const char* subghz_protocol_somfy_keytis_get_name_button(uint8_t btn) {
|
||
const char* name_btn[0x10] = {
|
||
"Unknown",
|
||
"0x01",
|
||
"0x02",
|
||
"Prog",
|
||
"Key_1",
|
||
"0x05",
|
||
"0x06",
|
||
"0x07",
|
||
"0x08",
|
||
"0x09",
|
||
"0x0A",
|
||
"0x0B",
|
||
"0x0C",
|
||
"0x0D",
|
||
"0x0E",
|
||
"0x0F"};
|
||
return btn <= 0xf ? name_btn[btn] : name_btn[0];
|
||
}
|
||
|
||
uint8_t subghz_protocol_decoder_somfy_keytis_get_hash_data(void* context) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
return subghz_protocol_blocks_get_hash_data(
|
||
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
||
}
|
||
|
||
bool subghz_protocol_decoder_somfy_keytis_serialize(
|
||
void* context,
|
||
FlipperFormat* flipper_format,
|
||
SubGhzRadioPreset* preset) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
|
||
if(res && !flipper_format_write_uint32(
|
||
flipper_format, "Duration_Counter", &instance->press_duration_counter, 1)) {
|
||
FURI_LOG_E(TAG, "Unable to add Duration_Counter");
|
||
res = false;
|
||
}
|
||
return res;
|
||
}
|
||
|
||
bool subghz_protocol_decoder_somfy_keytis_deserialize(void* context, FlipperFormat* flipper_format) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
bool res = false;
|
||
do {
|
||
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
|
||
FURI_LOG_E(TAG, "Deserialize error");
|
||
break;
|
||
}
|
||
if(instance->generic.data_count_bit !=
|
||
subghz_protocol_somfy_keytis_const.min_count_bit_for_found) {
|
||
FURI_LOG_E(TAG, "Wrong number of bits in key");
|
||
break;
|
||
}
|
||
if(!flipper_format_rewind(flipper_format)) {
|
||
FURI_LOG_E(TAG, "Rewind error");
|
||
break;
|
||
}
|
||
if(!flipper_format_read_uint32(
|
||
flipper_format,
|
||
"Duration_Counter",
|
||
(uint32_t*)&instance->press_duration_counter,
|
||
1)) {
|
||
FURI_LOG_E(TAG, "Missing Duration_Counter");
|
||
break;
|
||
}
|
||
res = true;
|
||
} while(false);
|
||
|
||
return res;
|
||
}
|
||
|
||
void subghz_protocol_decoder_somfy_keytis_get_string(void* context, FuriString* output) {
|
||
furi_assert(context);
|
||
SubGhzProtocolDecoderSomfyKeytis* instance = context;
|
||
|
||
subghz_protocol_somfy_keytis_check_remote_controller(&instance->generic);
|
||
|
||
furi_string_cat_printf(
|
||
output,
|
||
"%s %db\r\n"
|
||
"%lX%08lX%06lX\r\n"
|
||
"Sn:0x%06lX \r\n"
|
||
"Cnt:0x%04lX\r\n"
|
||
"Btn:%s\r\n",
|
||
|
||
instance->generic.protocol_name,
|
||
instance->generic.data_count_bit,
|
||
(uint32_t)(instance->generic.data >> 32),
|
||
(uint32_t)instance->generic.data,
|
||
instance->press_duration_counter,
|
||
instance->generic.serial,
|
||
instance->generic.cnt,
|
||
subghz_protocol_somfy_keytis_get_name_button(instance->generic.btn));
|
||
}
|