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unleashed-firmware/lib/subghz/protocols/hormann.c
Skorpionm 72ca6b25e9
[FL-3106] SubGhz: better and more verbose error handling in protocols, stricter CAME validation (#2443) 
* SubGhz: add error protocol
* WS: add error protocol
* SubGhz: error processing
* SubGhz: more stringent CAME protocol restrictions
* SubGhz: fix header duration CAME protocol
* SubGhz: delete comments
* SubGhz: sync SubGhzProtocolStatus with FuriStatus
* SubGhz: update documentation and bump api_version

Co-authored-by: あく <alleteam@gmail.com>
2023-03-04 00:09:13 +09:00

332 lines
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#include "hormann.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocolHormannHSM"
#define HORMANN_HSM_PATTERN 0xFF000000003
static const SubGhzBlockConst subghz_protocol_hormann_const = {
.te_short = 500,
.te_long = 1000,
.te_delta = 200,
.min_count_bit_for_found = 44,
};
struct SubGhzProtocolDecoderHormann {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
};
struct SubGhzProtocolEncoderHormann {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
HormannDecoderStepReset = 0,
HormannDecoderStepFoundStartHeader,
HormannDecoderStepFoundHeader,
HormannDecoderStepFoundStartBit,
HormannDecoderStepSaveDuration,
HormannDecoderStepCheckDuration,
} HormannDecoderStep;
const SubGhzProtocolDecoder subghz_protocol_hormann_decoder = {
.alloc = subghz_protocol_decoder_hormann_alloc,
.free = subghz_protocol_decoder_hormann_free,
.feed = subghz_protocol_decoder_hormann_feed,
.reset = subghz_protocol_decoder_hormann_reset,
.get_hash_data = subghz_protocol_decoder_hormann_get_hash_data,
.serialize = subghz_protocol_decoder_hormann_serialize,
.deserialize = subghz_protocol_decoder_hormann_deserialize,
.get_string = subghz_protocol_decoder_hormann_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_hormann_encoder = {
.alloc = subghz_protocol_encoder_hormann_alloc,
.free = subghz_protocol_encoder_hormann_free,
.deserialize = subghz_protocol_encoder_hormann_deserialize,
.stop = subghz_protocol_encoder_hormann_stop,
.yield = subghz_protocol_encoder_hormann_yield,
};
const SubGhzProtocol subghz_protocol_hormann = {
.name = SUBGHZ_PROTOCOL_HORMANN_HSM_NAME,
.type = SubGhzProtocolTypeStatic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_AM |
SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save |
SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_hormann_decoder,
.encoder = &subghz_protocol_hormann_encoder,
};
void* subghz_protocol_encoder_hormann_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolEncoderHormann* instance = malloc(sizeof(SubGhzProtocolEncoderHormann));
instance->base.protocol = &subghz_protocol_hormann;
instance->generic.protocol_name = instance->base.protocol->name;
instance->encoder.repeat = 10;
instance->encoder.size_upload = 2048;
instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
instance->encoder.is_running = false;
return instance;
}
void subghz_protocol_encoder_hormann_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderHormann* instance = context;
free(instance->encoder.upload);
free(instance);
}
/**
* Generating an upload from data.
* @param instance Pointer to a SubGhzProtocolEncoderHormann instance
* @return true On success
*/
static bool subghz_protocol_encoder_hormann_get_upload(SubGhzProtocolEncoderHormann* instance) {
furi_assert(instance);
size_t index = 0;
size_t size_upload = (instance->generic.data_count_bit * 2 + 2) * 20 + 1;
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;
}
instance->encoder.repeat = 10; //original remote does 10 repeats
for(size_t repeat = 0; repeat < 20; repeat++) {
//Send start bit
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_hormann_const.te_short * 24);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_hormann_const.te_short);
//Send key data
for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
if(bit_read(instance->generic.data, i - 1)) {
//send bit 1
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_hormann_const.te_long);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_hormann_const.te_short);
} else {
//send bit 0
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_hormann_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_hormann_const.te_long);
}
}
}
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_hormann_const.te_short * 24);
return true;
}
SubGhzProtocolStatus
subghz_protocol_encoder_hormann_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderHormann* instance = context;
SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
do {
ret = subghz_block_generic_deserialize_check_count_bit(
&instance->generic,
flipper_format,
subghz_protocol_hormann_const.min_count_bit_for_found);
if(ret != SubGhzProtocolStatusOk) {
break;
}
//optional parameter parameter
flipper_format_read_uint32(
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
if(!subghz_protocol_encoder_hormann_get_upload(instance)) {
ret = SubGhzProtocolStatusErrorEncoderGetUpload;
break;
}
instance->encoder.is_running = true;
} while(false);
return ret;
}
void subghz_protocol_encoder_hormann_stop(void* context) {
SubGhzProtocolEncoderHormann* instance = context;
instance->encoder.is_running = false;
}
LevelDuration subghz_protocol_encoder_hormann_yield(void* context) {
SubGhzProtocolEncoderHormann* 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;
}
void* subghz_protocol_decoder_hormann_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolDecoderHormann* instance = malloc(sizeof(SubGhzProtocolDecoderHormann));
instance->base.protocol = &subghz_protocol_hormann;
instance->generic.protocol_name = instance->base.protocol->name;
return instance;
}
void subghz_protocol_decoder_hormann_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
free(instance);
}
static bool subghz_protocol_decoder_hormann_check_pattern(SubGhzProtocolDecoderHormann* instance) {
return (instance->decoder.decode_data & HORMANN_HSM_PATTERN) == HORMANN_HSM_PATTERN;
}
void subghz_protocol_decoder_hormann_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
instance->decoder.parser_step = HormannDecoderStepReset;
}
void subghz_protocol_decoder_hormann_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
switch(instance->decoder.parser_step) {
case HormannDecoderStepReset:
if((level) && (DURATION_DIFF(duration, subghz_protocol_hormann_const.te_short * 24) <
subghz_protocol_hormann_const.te_delta * 24)) {
instance->decoder.parser_step = HormannDecoderStepFoundStartBit;
}
break;
case HormannDecoderStepFoundStartBit:
if((!level) && (DURATION_DIFF(duration, subghz_protocol_hormann_const.te_short) <
subghz_protocol_hormann_const.te_delta)) {
instance->decoder.parser_step = HormannDecoderStepSaveDuration;
instance->decoder.decode_data = 0;
instance->decoder.decode_count_bit = 0;
} else {
instance->decoder.parser_step = HormannDecoderStepReset;
}
break;
case HormannDecoderStepSaveDuration:
if(level) { //save interval
if(duration >= (subghz_protocol_hormann_const.te_short * 5) &&
subghz_protocol_decoder_hormann_check_pattern(instance)) {
instance->decoder.parser_step = HormannDecoderStepFoundStartBit;
if(instance->decoder.decode_count_bit >=
subghz_protocol_hormann_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);
}
break;
}
instance->decoder.te_last = duration;
instance->decoder.parser_step = HormannDecoderStepCheckDuration;
} else {
instance->decoder.parser_step = HormannDecoderStepReset;
}
break;
case HormannDecoderStepCheckDuration:
if(!level) {
if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_hormann_const.te_short) <
subghz_protocol_hormann_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_hormann_const.te_long) <
subghz_protocol_hormann_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
instance->decoder.parser_step = HormannDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_hormann_const.te_long) <
subghz_protocol_hormann_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_hormann_const.te_short) <
subghz_protocol_hormann_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
instance->decoder.parser_step = HormannDecoderStepSaveDuration;
} else
instance->decoder.parser_step = HormannDecoderStepReset;
} else {
instance->decoder.parser_step = HormannDecoderStepReset;
}
break;
}
}
/**
* Analysis of received data
* @param instance Pointer to a SubGhzBlockGeneric* instance
*/
static void subghz_protocol_hormann_check_remote_controller(SubGhzBlockGeneric* instance) {
instance->btn = (instance->data >> 4) & 0xF;
}
uint8_t subghz_protocol_decoder_hormann_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
SubGhzProtocolStatus subghz_protocol_decoder_hormann_serialize(
void* context,
FlipperFormat* flipper_format,
SubGhzRadioPreset* preset) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
}
SubGhzProtocolStatus
subghz_protocol_decoder_hormann_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
return subghz_block_generic_deserialize_check_count_bit(
&instance->generic, flipper_format, subghz_protocol_hormann_const.min_count_bit_for_found);
}
void subghz_protocol_decoder_hormann_get_string(void* context, FuriString* output) {
furi_assert(context);
SubGhzProtocolDecoderHormann* instance = context;
subghz_protocol_hormann_check_remote_controller(&instance->generic);
furi_string_cat_printf(
output,
"%s\r\n"
"%dbit\r\n"
"Key:0x%03lX%08lX\r\n"
"Btn:0x%01X\r\n",
instance->generic.protocol_name,
instance->generic.data_count_bit,
(uint32_t)(instance->generic.data >> 32),
(uint32_t)instance->generic.data,
instance->generic.btn);
}
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