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flipperzero-firmware/lib/subghz/protocols/nero_radio.c
Skorpionm 3164184bbc
[FL-2230] SubGhz: protocol API refactoring (#969) 
* 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>
2022-03-03 12:48:56 +03:00

376 lines
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#include "nero_radio.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocolNeroRadio"
static const SubGhzBlockConst subghz_protocol_nero_radio_const = {
.te_short = 200,
.te_long = 400,
.te_delta = 80,
.min_count_bit_for_found = 56,
};
struct SubGhzProtocolDecoderNeroRadio {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
uint16_t header_count;
};
struct SubGhzProtocolEncoderNeroRadio {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
NeroRadioDecoderStepReset = 0,
NeroRadioDecoderStepCheckPreambula,
NeroRadioDecoderStepSaveDuration,
NeroRadioDecoderStepCheckDuration,
} NeroRadioDecoderStep;
const SubGhzProtocolDecoder subghz_protocol_nero_radio_decoder = {
.alloc = subghz_protocol_decoder_nero_radio_alloc,
.free = subghz_protocol_decoder_nero_radio_free,
.feed = subghz_protocol_decoder_nero_radio_feed,
.reset = subghz_protocol_decoder_nero_radio_reset,
.get_hash_data = subghz_protocol_decoder_nero_radio_get_hash_data,
.serialize = subghz_protocol_decoder_nero_radio_serialize,
.deserialize = subghz_protocol_decoder_nero_radio_deserialize,
.get_string = subghz_protocol_decoder_nero_radio_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_nero_radio_encoder = {
.alloc = subghz_protocol_encoder_nero_radio_alloc,
.free = subghz_protocol_encoder_nero_radio_free,
.deserialize = subghz_protocol_encoder_nero_radio_deserialize,
.stop = subghz_protocol_encoder_nero_radio_stop,
.yield = subghz_protocol_encoder_nero_radio_yield,
};
const SubGhzProtocol subghz_protocol_nero_radio = {
.name = SUBGHZ_PROTOCOL_NERO_RADIO_NAME,
.type = SubGhzProtocolTypeStatic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_nero_radio_decoder,
.encoder = &subghz_protocol_nero_radio_encoder,
};
void* subghz_protocol_encoder_nero_radio_alloc(SubGhzEnvironment* environment) {
SubGhzProtocolEncoderNeroRadio* instance = malloc(sizeof(SubGhzProtocolEncoderNeroRadio));
instance->base.protocol = &subghz_protocol_nero_radio;
instance->generic.protocol_name = instance->base.protocol->name;
instance->encoder.repeat = 10;
instance->encoder.size_upload = 256;
instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
instance->encoder.is_runing = false;
return instance;
}
void subghz_protocol_encoder_nero_radio_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderNeroRadio* instance = context;
free(instance->encoder.upload);
free(instance);
}
static bool
subghz_protocol_encoder_nero_radio_get_upload(SubGhzProtocolEncoderNeroRadio* instance) {
furi_assert(instance);
size_t index = 0;
size_t size_upload = 49 * 2 + 2 + (instance->generic.data_count_bit * 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
for(uint8_t i = 0; i < 49; i++) {
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_short);
}
//Send start bit
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_short * 4);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_short);
//Send key data
for(uint8_t i = instance->generic.data_count_bit; i > 1; i--) {
if(bit_read(instance->generic.data, i - 1)) {
//send bit 1
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_long);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_short);
} else {
//send bit 0
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_long);
}
}
if(bit_read(instance->generic.data, 0)) {
//send bit 1
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_long);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_short * 37);
} else {
//send bit 0
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_nero_radio_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_nero_radio_const.te_short * 37);
}
return true;
}
bool subghz_protocol_encoder_nero_radio_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderNeroRadio* 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_nero_radio_get_upload(instance);
instance->encoder.is_runing = true;
res = true;
} while(false);
return res;
}
void subghz_protocol_encoder_nero_radio_stop(void* context) {
SubGhzProtocolEncoderNeroRadio* instance = context;
instance->encoder.is_runing = false;
}
LevelDuration subghz_protocol_encoder_nero_radio_yield(void* context) {
SubGhzProtocolEncoderNeroRadio* instance = context;
if(instance->encoder.repeat == 0 || !instance->encoder.is_runing) {
instance->encoder.is_runing = 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_nero_radio_alloc(SubGhzEnvironment* environment) {
SubGhzProtocolDecoderNeroRadio* instance = malloc(sizeof(SubGhzProtocolDecoderNeroRadio));
instance->base.protocol = &subghz_protocol_nero_radio;
instance->generic.protocol_name = instance->base.protocol->name;
return instance;
}
void subghz_protocol_decoder_nero_radio_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
free(instance);
}
void subghz_protocol_decoder_nero_radio_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
void subghz_protocol_decoder_nero_radio_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
switch(instance->decoder.parser_step) {
case NeroRadioDecoderStepReset:
if((level) && (DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta)) {
instance->decoder.parser_step = NeroRadioDecoderStepCheckPreambula;
instance->decoder.te_last = duration;
instance->header_count = 0;
}
break;
case NeroRadioDecoderStepCheckPreambula:
if(level) {
if((DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta) ||
(DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_short * 4) <
subghz_protocol_nero_radio_const.te_delta)) {
instance->decoder.te_last = duration;
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
} else if(
DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta) {
if(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta) {
// Found header
instance->header_count++;
break;
} else if(
DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_nero_radio_const.te_short * 4) <
subghz_protocol_nero_radio_const.te_delta) {
// Found start bit
if(instance->header_count > 40) {
instance->decoder.parser_step = NeroRadioDecoderStepSaveDuration;
instance->decoder.decode_data = 0;
instance->decoder.decode_count_bit = 0;
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
break;
case NeroRadioDecoderStepSaveDuration:
if(level) {
instance->decoder.te_last = duration;
instance->decoder.parser_step = NeroRadioDecoderStepCheckDuration;
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
break;
case NeroRadioDecoderStepCheckDuration:
if(!level) {
if(duration >= (subghz_protocol_nero_radio_const.te_short * 10 +
subghz_protocol_nero_radio_const.te_delta * 2)) {
//Found stop bit
if(DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
} else if(
DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_nero_radio_const.te_long) <
subghz_protocol_nero_radio_const.te_delta) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
}
instance->decoder.parser_step = NeroRadioDecoderStepReset;
if(instance->decoder.decode_count_bit >=
subghz_protocol_nero_radio_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;
instance->decoder.parser_step = NeroRadioDecoderStepReset;
break;
} else if(
(DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_long) <
subghz_protocol_nero_radio_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
instance->decoder.parser_step = NeroRadioDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(
instance->decoder.te_last, subghz_protocol_nero_radio_const.te_long) <
subghz_protocol_nero_radio_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_nero_radio_const.te_short) <
subghz_protocol_nero_radio_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
instance->decoder.parser_step = NeroRadioDecoderStepSaveDuration;
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
} else {
instance->decoder.parser_step = NeroRadioDecoderStepReset;
}
break;
}
}
uint8_t subghz_protocol_decoder_nero_radio_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
bool subghz_protocol_decoder_nero_radio_serialize(
void* context,
FlipperFormat* flipper_format,
uint32_t frequency,
FuriHalSubGhzPreset preset) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
return subghz_block_generic_serialize(&instance->generic, flipper_format, frequency, preset);
}
bool subghz_protocol_decoder_nero_radio_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
return subghz_block_generic_deserialize(&instance->generic, flipper_format);
}
void subghz_protocol_decoder_nero_radio_get_string(void* context, string_t output) {
furi_assert(context);
SubGhzProtocolDecoderNeroRadio* instance = context;
uint32_t code_found_hi = instance->generic.data >> 32;
uint32_t code_found_lo = instance->generic.data & 0x00000000ffffffff;
uint64_t code_found_reverse = subghz_protocol_blocks_reverse_key(
instance->generic.data, instance->generic.data_count_bit);
uint32_t code_found_reverse_hi = code_found_reverse >> 32;
uint32_t code_found_reverse_lo = code_found_reverse & 0x00000000ffffffff;
string_cat_printf(
output,
"%s %dbit\r\n"
"Key:0x%lX%08lX\r\n"
"Yek:0x%lX%08lX\r\n",
instance->generic.protocol_name,
instance->generic.data_count_bit,
code_found_hi,
code_found_lo,
code_found_reverse_hi,
code_found_reverse_lo);
}
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