mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-24 05:23:06 +00:00
3164184bbc
* SubGhz: protocols library refactoring * SubGhz: new architecture and refactoring * SubGhz: simplify protocol structure, remove unused types * SubGhz: rename Subghz to SubGhz * SubGhz: add environment concept Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com> Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
366 lines
13 KiB
C
366 lines
13 KiB
C
#include "somfy_telis.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 "SubGhzProtocolSomfyTelis"
|
|
|
|
static const SubGhzBlockConst subghz_protocol_somfy_telis_const = {
|
|
.te_short = 640,
|
|
.te_long = 1280,
|
|
.te_delta = 250,
|
|
.min_count_bit_for_found = 56,
|
|
};
|
|
|
|
struct SubGhzProtocolDecoderSomfyTelis {
|
|
SubGhzProtocolDecoderBase base;
|
|
|
|
SubGhzBlockDecoder decoder;
|
|
SubGhzBlockGeneric generic;
|
|
|
|
uint16_t header_count;
|
|
ManchesterState manchester_saved_state;
|
|
};
|
|
|
|
struct SubGhzProtocolEncoderSomfyTelis {
|
|
SubGhzProtocolEncoderBase base;
|
|
|
|
SubGhzProtocolBlockEncoder encoder;
|
|
SubGhzBlockGeneric generic;
|
|
};
|
|
|
|
typedef enum {
|
|
SomfyTelisDecoderStepReset = 0,
|
|
SomfyTelisDecoderStepCheckPreambula,
|
|
SomfyTelisDecoderStepFoundPreambula,
|
|
SomfyTelisDecoderStepStartDecode,
|
|
SomfyTelisDecoderStepDecoderData,
|
|
} SomfyTelisDecoderStep;
|
|
|
|
const SubGhzProtocolDecoder subghz_protocol_somfy_telis_decoder = {
|
|
.alloc = subghz_protocol_decoder_somfy_telis_alloc,
|
|
.free = subghz_protocol_decoder_somfy_telis_free,
|
|
|
|
.feed = subghz_protocol_decoder_somfy_telis_feed,
|
|
.reset = subghz_protocol_decoder_somfy_telis_reset,
|
|
|
|
.get_hash_data = subghz_protocol_decoder_somfy_telis_get_hash_data,
|
|
.serialize = subghz_protocol_decoder_somfy_telis_serialize,
|
|
.deserialize = subghz_protocol_decoder_somfy_telis_deserialize,
|
|
.get_string = subghz_protocol_decoder_somfy_telis_get_string,
|
|
};
|
|
|
|
const SubGhzProtocolEncoder subghz_protocol_somfy_telis_encoder = {
|
|
.alloc = NULL,
|
|
.free = NULL,
|
|
|
|
.deserialize = NULL,
|
|
.stop = NULL,
|
|
.yield = NULL,
|
|
};
|
|
|
|
const SubGhzProtocol subghz_protocol_somfy_telis = {
|
|
.name = SUBGHZ_PROTOCOL_SOMFY_TELIS_NAME,
|
|
.type = SubGhzProtocolTypeDynamic,
|
|
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_AM |
|
|
SubGhzProtocolFlag_Decodable,
|
|
|
|
.decoder = &subghz_protocol_somfy_telis_decoder,
|
|
.encoder = &subghz_protocol_somfy_telis_encoder,
|
|
};
|
|
|
|
void* subghz_protocol_decoder_somfy_telis_alloc(SubGhzEnvironment* environment) {
|
|
SubGhzProtocolDecoderSomfyTelis* instance = malloc(sizeof(SubGhzProtocolDecoderSomfyTelis));
|
|
instance->base.protocol = &subghz_protocol_somfy_telis;
|
|
instance->generic.protocol_name = instance->base.protocol->name;
|
|
|
|
return instance;
|
|
}
|
|
|
|
void subghz_protocol_decoder_somfy_telis_free(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
free(instance);
|
|
}
|
|
|
|
void subghz_protocol_decoder_somfy_telis_reset(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepReset;
|
|
manchester_advance(
|
|
instance->manchester_saved_state,
|
|
ManchesterEventReset,
|
|
&instance->manchester_saved_state,
|
|
NULL);
|
|
}
|
|
|
|
static uint8_t subghz_protocol_somfy_telis_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_telis_feed(void* context, bool level, uint32_t duration) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
|
|
ManchesterEvent event = ManchesterEventReset;
|
|
switch(instance->decoder.parser_step) {
|
|
case SomfyTelisDecoderStepReset:
|
|
if((level) && DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
|
|
subghz_protocol_somfy_telis_const.te_delta * 4) {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepFoundPreambula;
|
|
instance->header_count++;
|
|
}
|
|
break;
|
|
case SomfyTelisDecoderStepFoundPreambula:
|
|
if((!level) && (DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
|
|
subghz_protocol_somfy_telis_const.te_delta * 4)) {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepCheckPreambula;
|
|
} else {
|
|
instance->header_count = 0;
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepReset;
|
|
}
|
|
break;
|
|
case SomfyTelisDecoderStepCheckPreambula:
|
|
if(level) {
|
|
if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 4) <
|
|
subghz_protocol_somfy_telis_const.te_delta * 4) {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepFoundPreambula;
|
|
instance->header_count++;
|
|
} else if(
|
|
(instance->header_count > 1) &&
|
|
(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short * 7) <
|
|
subghz_protocol_somfy_telis_const.te_delta * 4)) {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepDecoderData;
|
|
instance->decoder.decode_data = 0;
|
|
instance->decoder.decode_count_bit = 0;
|
|
instance->header_count = 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 SomfyTelisDecoderStepDecoderData:
|
|
if(!level) {
|
|
if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short) <
|
|
subghz_protocol_somfy_telis_const.te_delta) {
|
|
event = ManchesterEventShortLow;
|
|
} else if(
|
|
DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_long) <
|
|
subghz_protocol_somfy_telis_const.te_delta) {
|
|
event = ManchesterEventLongLow;
|
|
} else if(
|
|
duration >= (subghz_protocol_somfy_telis_const.te_long +
|
|
subghz_protocol_somfy_telis_const.te_delta)) {
|
|
if(instance->decoder.decode_count_bit ==
|
|
subghz_protocol_somfy_telis_const.min_count_bit_for_found) {
|
|
//check crc
|
|
uint64_t data_tmp = instance->decoder.decode_data ^
|
|
(instance->decoder.decode_data >> 8);
|
|
if(((data_tmp >> 40) & 0xF) == subghz_protocol_somfy_telis_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 = SomfyTelisDecoderStepReset;
|
|
} else {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepReset;
|
|
}
|
|
} else {
|
|
if(DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_short) <
|
|
subghz_protocol_somfy_telis_const.te_delta) {
|
|
event = ManchesterEventShortHigh;
|
|
} else if(
|
|
DURATION_DIFF(duration, subghz_protocol_somfy_telis_const.te_long) <
|
|
subghz_protocol_somfy_telis_const.te_delta) {
|
|
event = ManchesterEventLongHigh;
|
|
} else {
|
|
instance->decoder.parser_step = SomfyTelisDecoderStepReset;
|
|
}
|
|
}
|
|
if(event != ManchesterEventReset) {
|
|
bool data;
|
|
bool data_ok = manchester_advance(
|
|
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
|
|
|
|
if(data_ok) {
|
|
instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
|
|
instance->decoder.decode_count_bit++;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/** Analysis of received data
|
|
*
|
|
* @param instance SubGhzProtocolSomfyTelis instance
|
|
*/
|
|
static void subghz_protocol_somfy_telis_check_remote_controller(SubGhzBlockGeneric* instance) {
|
|
//https://pushstack.wordpress.com/somfy-rts-protocol/
|
|
/*
|
|
* 604 us
|
|
* /
|
|
* | 2416us | 2416us | 2416us | 2416us | 4550 us | | 67648 us | 30415 us |
|
|
*
|
|
* +--------+ +--------+ +---...---+
|
|
* + +--------+ +--------+ +--+XXXX...XXX+-----...-----
|
|
*
|
|
* | hw. sync. | soft. | | Inter-frame
|
|
* | | sync. | data | gap
|
|
*
|
|
*
|
|
* encrypt | decrypt
|
|
*
|
|
* package 56 bit cnt key btn|crc cnt serial
|
|
* 0xA7232323312222 - 0 => A7 8 0 | 00 00 | 12 13 00
|
|
* 0xA7222223312222 - 1 => A7 8 5 | 00 01 | 12 13 00
|
|
* 0xA7212123312222 - 2 => A7 8 6 | 00 02 | 12 13 00
|
|
*
|
|
* 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);
|
|
*
|
|
* Btn
|
|
*
|
|
* Value Button(s) Description
|
|
* 0x1 My Stop or move to favourite position
|
|
* 0x2 Up Move up
|
|
* 0x3 My + Up Set upper motor limit in initial programming mode
|
|
* 0x4 Down Move down
|
|
* 0x5 My + Down Set lower motor limit in initial programming mode
|
|
* 0x6 Up + Down Change motor limit and initial programming mode
|
|
* 0x8 Prog Used for (de-)registering remotes, see below
|
|
* 0x9 Sun + Flag Enable sun and wind detector (SUN and FLAG symbol on the Telis Soliris RC)
|
|
* 0xA Flag Disable sun detector (FLAG symbol on the Telis Soliris RC)
|
|
*
|
|
* CRC
|
|
*
|
|
* uint8_t frame[7];
|
|
* for (i=0; i < 7; i++) {
|
|
* cksum = cksum ^ frame[i] ^ (frame[i] >> 4);
|
|
* }
|
|
* cksum = cksum & 0xf;
|
|
*
|
|
*/
|
|
|
|
uint64_t data = instance->data ^ (instance->data >> 8);
|
|
instance->btn = (data >> 44) & 0xF;
|
|
instance->cnt = (data >> 24) & 0xFFFF;
|
|
instance->serial = data & 0xFFFFFF;
|
|
}
|
|
|
|
static const char* subghz_protocol_somfy_telis_get_name_button(uint8_t btn) {
|
|
const char* name_btn[0x10] = {
|
|
"Unknown",
|
|
"My",
|
|
"Up",
|
|
"My+Up",
|
|
"Down",
|
|
"My+Down",
|
|
"Up+Down",
|
|
"0x07",
|
|
"Prog",
|
|
"Sun+Flag",
|
|
"Flag",
|
|
"0x0B",
|
|
"0x0C",
|
|
"0x0D",
|
|
"0x0E",
|
|
"0x0F"};
|
|
return btn <= 0xf ? name_btn[btn] : name_btn[0];
|
|
}
|
|
|
|
uint8_t subghz_protocol_decoder_somfy_telis_get_hash_data(void* context) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
return subghz_protocol_blocks_get_hash_data(
|
|
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_somfy_telis_serialize(
|
|
void* context,
|
|
FlipperFormat* flipper_format,
|
|
uint32_t frequency,
|
|
FuriHalSubGhzPreset preset) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
return subghz_block_generic_serialize(&instance->generic, flipper_format, frequency, preset);
|
|
}
|
|
|
|
bool subghz_protocol_decoder_somfy_telis_deserialize(void* context, FlipperFormat* flipper_format) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
return subghz_block_generic_deserialize(&instance->generic, flipper_format);
|
|
}
|
|
|
|
void subghz_protocol_decoder_somfy_telis_get_string(void* context, string_t output) {
|
|
furi_assert(context);
|
|
SubGhzProtocolDecoderSomfyTelis* instance = context;
|
|
|
|
subghz_protocol_somfy_telis_check_remote_controller(&instance->generic);
|
|
|
|
string_cat_printf(
|
|
output,
|
|
"%s %db\r\n"
|
|
"Key:0x%lX%08lX\r\n"
|
|
"Sn:0x%06lX \r\n"
|
|
"Cnt:0x%04X\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->generic.serial,
|
|
instance->generic.cnt,
|
|
subghz_protocol_somfy_telis_get_name_button(instance->generic.btn));
|
|
}
|