flipperzero-firmware/lib/subghz/protocols/phoenix_v2.c

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#include "phoenix_v2.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocolPhoenix_V2"
//transmission only static mode
static const SubGhzBlockConst subghz_protocol_phoenix_v2_const = {
.te_short = 427,
.te_long = 853,
.te_delta = 100,
.min_count_bit_for_found = 52,
};
struct SubGhzProtocolDecoderPhoenix_V2 {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
};
struct SubGhzProtocolEncoderPhoenix_V2 {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
Phoenix_V2DecoderStepReset = 0,
Phoenix_V2DecoderStepFoundStartBit,
Phoenix_V2DecoderStepSaveDuration,
Phoenix_V2DecoderStepCheckDuration,
} Phoenix_V2DecoderStep;
const SubGhzProtocolDecoder subghz_protocol_phoenix_v2_decoder = {
.alloc = subghz_protocol_decoder_phoenix_v2_alloc,
.free = subghz_protocol_decoder_phoenix_v2_free,
.feed = subghz_protocol_decoder_phoenix_v2_feed,
.reset = subghz_protocol_decoder_phoenix_v2_reset,
.get_hash_data = subghz_protocol_decoder_phoenix_v2_get_hash_data,
.serialize = subghz_protocol_decoder_phoenix_v2_serialize,
.deserialize = subghz_protocol_decoder_phoenix_v2_deserialize,
.get_string = subghz_protocol_decoder_phoenix_v2_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_phoenix_v2_encoder = {
.alloc = subghz_protocol_encoder_phoenix_v2_alloc,
.free = subghz_protocol_encoder_phoenix_v2_free,
.deserialize = subghz_protocol_encoder_phoenix_v2_deserialize,
.stop = subghz_protocol_encoder_phoenix_v2_stop,
.yield = subghz_protocol_encoder_phoenix_v2_yield,
};
const SubGhzProtocol subghz_protocol_phoenix_v2 = {
.name = SUBGHZ_PROTOCOL_PHOENIX_V2_NAME,
.type = SubGhzProtocolTypeStatic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_phoenix_v2_decoder,
.encoder = &subghz_protocol_phoenix_v2_encoder,
};
void* subghz_protocol_encoder_phoenix_v2_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolEncoderPhoenix_V2* instance = malloc(sizeof(SubGhzProtocolEncoderPhoenix_V2));
instance->base.protocol = &subghz_protocol_phoenix_v2;
instance->generic.protocol_name = instance->base.protocol->name;
instance->encoder.repeat = 10;
instance->encoder.size_upload = 128;
instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
instance->encoder.is_running = false;
return instance;
}
void subghz_protocol_encoder_phoenix_v2_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderPhoenix_V2* instance = context;
free(instance->encoder.upload);
free(instance);
}
/**
* Generating an upload from data.
* @param instance Pointer to a SubGhzProtocolEncoderPhoenix_V2 instance
* @return true On success
*/
static bool
subghz_protocol_encoder_phoenix_v2_get_upload(SubGhzProtocolEncoderPhoenix_V2* instance) {
furi_assert(instance);
size_t index = 0;
size_t size_upload = (instance->generic.data_count_bit * 2) + 2;
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;
}
//Send header
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_phoenix_v2_const.te_short * 60);
//Send start bit
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_phoenix_v2_const.te_short * 6);
//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(false, (uint32_t)subghz_protocol_phoenix_v2_const.te_long);
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_phoenix_v2_const.te_short);
} else {
//send bit 0
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_phoenix_v2_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_phoenix_v2_const.te_long);
}
}
return true;
}
bool subghz_protocol_encoder_phoenix_v2_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderPhoenix_V2* 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_phoenix_v2_const.min_count_bit_for_found) {
FURI_LOG_E(TAG, "Wrong number of bits in key");
break;
}
//optional parameter parameter
flipper_format_read_uint32(
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
subghz_protocol_encoder_phoenix_v2_get_upload(instance);
instance->encoder.is_running = true;
res = true;
} while(false);
return res;
}
void subghz_protocol_encoder_phoenix_v2_stop(void* context) {
SubGhzProtocolEncoderPhoenix_V2* instance = context;
instance->encoder.is_running = false;
}
LevelDuration subghz_protocol_encoder_phoenix_v2_yield(void* context) {
SubGhzProtocolEncoderPhoenix_V2* 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_phoenix_v2_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolDecoderPhoenix_V2* instance = malloc(sizeof(SubGhzProtocolDecoderPhoenix_V2));
instance->base.protocol = &subghz_protocol_phoenix_v2;
instance->generic.protocol_name = instance->base.protocol->name;
return instance;
}
void subghz_protocol_decoder_phoenix_v2_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
free(instance);
}
void subghz_protocol_decoder_phoenix_v2_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
instance->decoder.parser_step = Phoenix_V2DecoderStepReset;
}
void subghz_protocol_decoder_phoenix_v2_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
switch(instance->decoder.parser_step) {
case Phoenix_V2DecoderStepReset:
if((!level) && (DURATION_DIFF(duration, subghz_protocol_phoenix_v2_const.te_short * 60) <
subghz_protocol_phoenix_v2_const.te_delta * 30)) {
//Found Preambula
instance->decoder.parser_step = Phoenix_V2DecoderStepFoundStartBit;
}
break;
case Phoenix_V2DecoderStepFoundStartBit:
if(level && ((DURATION_DIFF(duration, (subghz_protocol_phoenix_v2_const.te_short * 6)) <
subghz_protocol_phoenix_v2_const.te_delta * 4))) {
//Found start bit
instance->decoder.parser_step = Phoenix_V2DecoderStepSaveDuration;
instance->decoder.decode_data = 0;
instance->decoder.decode_count_bit = 0;
} else {
instance->decoder.parser_step = Phoenix_V2DecoderStepReset;
}
break;
case Phoenix_V2DecoderStepSaveDuration:
if(!level) {
if(duration >= ((uint32_t)subghz_protocol_phoenix_v2_const.te_short * 10 +
subghz_protocol_phoenix_v2_const.te_delta)) {
instance->decoder.parser_step = Phoenix_V2DecoderStepFoundStartBit;
if(instance->decoder.decode_count_bit ==
subghz_protocol_phoenix_v2_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 = Phoenix_V2DecoderStepCheckDuration;
}
}
break;
case Phoenix_V2DecoderStepCheckDuration:
if(level) {
if((DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_phoenix_v2_const.te_short) <
subghz_protocol_phoenix_v2_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_phoenix_v2_const.te_long) <
subghz_protocol_phoenix_v2_const.te_delta * 3)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
instance->decoder.parser_step = Phoenix_V2DecoderStepSaveDuration;
} else if(
(DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_phoenix_v2_const.te_long) <
subghz_protocol_phoenix_v2_const.te_delta * 3) &&
(DURATION_DIFF(duration, subghz_protocol_phoenix_v2_const.te_short) <
subghz_protocol_phoenix_v2_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
instance->decoder.parser_step = Phoenix_V2DecoderStepSaveDuration;
} else {
instance->decoder.parser_step = Phoenix_V2DecoderStepReset;
}
} else {
instance->decoder.parser_step = Phoenix_V2DecoderStepReset;
}
break;
}
}
/**
* Analysis of received data
* @param instance Pointer to a SubGhzBlockGeneric* instance
*/
static void subghz_protocol_phoenix_v2_check_remote_controller(SubGhzBlockGeneric* instance) {
uint64_t data_rev =
subghz_protocol_blocks_reverse_key(instance->data, instance->data_count_bit + 4);
instance->serial = data_rev & 0xFFFFFFFF;
instance->cnt = (data_rev >> 40) & 0xFFFF;
instance->btn = (data_rev >> 32) & 0xF;
}
uint8_t subghz_protocol_decoder_phoenix_v2_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
bool subghz_protocol_decoder_phoenix_v2_serialize(
void* context,
FlipperFormat* flipper_format,
SubGhzPresetDefinition* preset) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
}
bool subghz_protocol_decoder_phoenix_v2_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
bool ret = false;
do {
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
break;
}
if(instance->generic.data_count_bit !=
subghz_protocol_phoenix_v2_const.min_count_bit_for_found) {
FURI_LOG_E(TAG, "Wrong number of bits in key");
break;
}
ret = true;
} while(false);
return ret;
}
void subghz_protocol_decoder_phoenix_v2_get_string(void* context, string_t output) {
furi_assert(context);
SubGhzProtocolDecoderPhoenix_V2* instance = context;
subghz_protocol_phoenix_v2_check_remote_controller(&instance->generic);
string_cat_printf(
output,
"%s %dbit\r\n"
"Key:%02lX%08lX\r\n"
"Sn:0x%07lX \r\n"
"Btn:%lX\r\n",
instance->generic.protocol_name,
instance->generic.data_count_bit,
(uint32_t)(instance->generic.data >> 32) & 0xFFFFFFFF,
(uint32_t)(instance->generic.data & 0xFFFFFFFF),
instance->generic.serial,
instance->generic.btn);
}