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unleashed-firmware/lib/subghz/protocols/raw.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

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#include "raw.h"
#include <lib/flipper_format/flipper_format.h>
#include "../subghz_file_encoder_worker.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#include <flipper_format/flipper_format_i.h>
#include <lib/toolbox/stream/stream.h>
#define TAG "SubGhzProtocolRAW"
#define SUBGHZ_DOWNLOAD_MAX_SIZE 512
static const SubGhzBlockConst subghz_protocol_raw_const = {
.te_short = 50,
.te_long = 32700,
.te_delta = 0,
.min_count_bit_for_found = 0,
};
struct SubGhzProtocolDecoderRAW {
SubGhzProtocolDecoderBase base;
int32_t* upload_raw;
uint16_t ind_write;
Storage* storage;
FlipperFormat* flipper_file;
uint32_t file_is_open;
FuriString* file_name;
size_t sample_write;
bool last_level;
bool pause;
};
struct SubGhzProtocolEncoderRAW {
SubGhzProtocolEncoderBase base;
bool is_running;
FuriString* file_name;
SubGhzFileEncoderWorker* file_worker_encoder;
};
typedef enum {
RAWFileIsOpenClose = 0,
RAWFileIsOpenWrite,
RAWFileIsOpenRead,
} RAWFilIsOpen;
const SubGhzProtocolDecoder subghz_protocol_raw_decoder = {
.alloc = subghz_protocol_decoder_raw_alloc,
.free = subghz_protocol_decoder_raw_free,
.feed = subghz_protocol_decoder_raw_feed,
.reset = subghz_protocol_decoder_raw_reset,
.get_hash_data = NULL,
.serialize = NULL,
.deserialize = subghz_protocol_decoder_raw_deserialize,
.get_string = subghz_protocol_decoder_raw_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_raw_encoder = {
.alloc = subghz_protocol_encoder_raw_alloc,
.free = subghz_protocol_encoder_raw_free,
.deserialize = subghz_protocol_encoder_raw_deserialize,
.stop = subghz_protocol_encoder_raw_stop,
.yield = subghz_protocol_encoder_raw_yield,
};
const SubGhzProtocol subghz_protocol_raw = {
.name = SUBGHZ_PROTOCOL_RAW_NAME,
.type = SubGhzProtocolTypeRAW,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_315 |
SubGhzProtocolFlag_AM | SubGhzProtocolFlag_FM | SubGhzProtocolFlag_RAW |
SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_raw_decoder,
.encoder = &subghz_protocol_raw_encoder,
};
bool subghz_protocol_raw_save_to_file_init(
SubGhzProtocolDecoderRAW* instance,
const char* dev_name,
SubGhzRadioPreset* preset) {
furi_assert(instance);
instance->storage = furi_record_open(RECORD_STORAGE);
instance->flipper_file = flipper_format_file_alloc(instance->storage);
FuriString* temp_str;
temp_str = furi_string_alloc();
bool init = false;
do {
// Create subghz folder directory if necessary
if(!storage_simply_mkdir(instance->storage, SUBGHZ_RAW_FOLDER)) {
break;
}
// Create saved directory if necessary
if(!storage_simply_mkdir(instance->storage, SUBGHZ_RAW_FOLDER)) {
break;
}
furi_string_set(instance->file_name, dev_name);
// First remove subghz device file if it was saved
furi_string_printf(temp_str, "%s/%s%s", SUBGHZ_RAW_FOLDER, dev_name, SUBGHZ_APP_EXTENSION);
if(!storage_simply_remove(instance->storage, furi_string_get_cstr(temp_str))) {
break;
}
// Open file
if(!flipper_format_file_open_always(
instance->flipper_file, furi_string_get_cstr(temp_str))) {
FURI_LOG_E(TAG, "Unable to open file for write: %s", furi_string_get_cstr(temp_str));
break;
}
if(!flipper_format_write_header_cstr(
instance->flipper_file, SUBGHZ_RAW_FILE_TYPE, SUBGHZ_RAW_FILE_VERSION)) {
FURI_LOG_E(TAG, "Unable to add header");
break;
}
if(!flipper_format_write_uint32(
instance->flipper_file, "Frequency", &preset->frequency, 1)) {
FURI_LOG_E(TAG, "Unable to add Frequency");
break;
}
subghz_block_generic_get_preset_name(furi_string_get_cstr(preset->name), temp_str);
if(!flipper_format_write_string_cstr(
instance->flipper_file, "Preset", furi_string_get_cstr(temp_str))) {
FURI_LOG_E(TAG, "Unable to add Preset");
break;
}
if(!strcmp(furi_string_get_cstr(temp_str), "FuriHalSubGhzPresetCustom")) {
if(!flipper_format_write_string_cstr(
instance->flipper_file, "Custom_preset_module", "CC1101")) {
FURI_LOG_E(TAG, "Unable to add Custom_preset_module");
break;
}
if(!flipper_format_write_hex(
instance->flipper_file, "Custom_preset_data", preset->data, preset->data_size)) {
FURI_LOG_E(TAG, "Unable to add Custom_preset_data");
break;
}
}
if(!flipper_format_write_string_cstr(
instance->flipper_file, "Protocol", instance->base.protocol->name)) {
FURI_LOG_E(TAG, "Unable to add Protocol");
break;
}
instance->upload_raw = malloc(SUBGHZ_DOWNLOAD_MAX_SIZE * sizeof(int32_t));
instance->file_is_open = RAWFileIsOpenWrite;
instance->sample_write = 0;
instance->last_level = false;
instance->pause = false;
init = true;
} while(0);
furi_string_free(temp_str);
return init;
}
static bool subghz_protocol_raw_save_to_file_write(SubGhzProtocolDecoderRAW* instance) {
furi_assert(instance);
bool is_write = false;
if(instance->file_is_open == RAWFileIsOpenWrite) {
if(!flipper_format_write_int32(
instance->flipper_file, "RAW_Data", instance->upload_raw, instance->ind_write)) {
FURI_LOG_E(TAG, "Unable to add RAW_Data");
} else {
instance->sample_write += instance->ind_write;
instance->ind_write = 0;
is_write = true;
}
}
return is_write;
}
void subghz_protocol_raw_save_to_file_stop(SubGhzProtocolDecoderRAW* instance) {
furi_assert(instance);
if(instance->file_is_open == RAWFileIsOpenWrite && instance->ind_write)
subghz_protocol_raw_save_to_file_write(instance);
if(instance->file_is_open != RAWFileIsOpenClose) {
free(instance->upload_raw);
instance->upload_raw = NULL;
flipper_format_file_close(instance->flipper_file);
flipper_format_free(instance->flipper_file);
furi_record_close(RECORD_STORAGE);
}
instance->file_is_open = RAWFileIsOpenClose;
}
void subghz_protocol_raw_save_to_file_pause(SubGhzProtocolDecoderRAW* instance, bool pause) {
furi_assert(instance);
if(instance->pause != pause) {
instance->pause = pause;
}
}
size_t subghz_protocol_raw_get_sample_write(SubGhzProtocolDecoderRAW* instance) {
return instance->sample_write + instance->ind_write;
}
void* subghz_protocol_decoder_raw_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolDecoderRAW* instance = malloc(sizeof(SubGhzProtocolDecoderRAW));
instance->base.protocol = &subghz_protocol_raw;
instance->upload_raw = NULL;
instance->ind_write = 0;
instance->last_level = false;
instance->file_is_open = RAWFileIsOpenClose;
instance->file_name = furi_string_alloc();
return instance;
}
void subghz_protocol_decoder_raw_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderRAW* instance = context;
furi_string_free(instance->file_name);
free(instance);
}
void subghz_protocol_decoder_raw_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderRAW* instance = context;
instance->ind_write = 0;
instance->last_level = false;
}
void subghz_protocol_decoder_raw_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderRAW* instance = context;
if(!instance->pause && (instance->upload_raw != NULL)) {
if(duration > subghz_protocol_raw_const.te_short) {
if(instance->last_level != level) {
instance->last_level = (level ? true : false);
instance->upload_raw[instance->ind_write++] = (level ? duration : -duration);
}
}
if(instance->ind_write == SUBGHZ_DOWNLOAD_MAX_SIZE) {
subghz_protocol_raw_save_to_file_write(instance);
}
}
}
SubGhzProtocolStatus
subghz_protocol_decoder_raw_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
UNUSED(context);
UNUSED(flipper_format);
//ToDo stub, for backwards compatibility
return SubGhzProtocolStatusOk;
}
void subghz_protocol_decoder_raw_get_string(void* context, FuriString* output) {
furi_assert(context);
//SubGhzProtocolDecoderRAW* instance = context;
UNUSED(context);
//ToDo no use
furi_string_cat_printf(output, "RAW Date");
}
void* subghz_protocol_encoder_raw_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolEncoderRAW* instance = malloc(sizeof(SubGhzProtocolEncoderRAW));
instance->base.protocol = &subghz_protocol_raw;
instance->file_name = furi_string_alloc();
instance->is_running = false;
return instance;
}
void subghz_protocol_encoder_raw_stop(void* context) {
SubGhzProtocolEncoderRAW* instance = context;
instance->is_running = false;
if(subghz_file_encoder_worker_is_running(instance->file_worker_encoder)) {
subghz_file_encoder_worker_stop(instance->file_worker_encoder);
subghz_file_encoder_worker_free(instance->file_worker_encoder);
}
}
void subghz_protocol_encoder_raw_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderRAW* instance = context;
subghz_protocol_encoder_raw_stop(instance);
furi_string_free(instance->file_name);
free(instance);
}
void subghz_protocol_raw_file_encoder_worker_set_callback_end(
SubGhzProtocolEncoderRAW* instance,
SubGhzProtocolEncoderRAWCallbackEnd callback_end,
void* context_end) {
furi_assert(instance);
furi_assert(callback_end);
subghz_file_encoder_worker_callback_end(
instance->file_worker_encoder, callback_end, context_end);
}
static bool subghz_protocol_encoder_raw_worker_init(SubGhzProtocolEncoderRAW* instance) {
furi_assert(instance);
instance->file_worker_encoder = subghz_file_encoder_worker_alloc();
if(subghz_file_encoder_worker_start(
instance->file_worker_encoder, furi_string_get_cstr(instance->file_name))) {
//the worker needs a file in order to open and read part of the file
furi_delay_ms(100);
instance->is_running = true;
} else {
subghz_protocol_encoder_raw_stop(instance);
}
return instance->is_running;
}
void subghz_protocol_raw_gen_fff_data(FlipperFormat* flipper_format, const char* file_path) {
do {
stream_clean(flipper_format_get_raw_stream(flipper_format));
if(!flipper_format_write_string_cstr(flipper_format, "Protocol", "RAW")) {
FURI_LOG_E(TAG, "Unable to add Protocol");
break;
}
if(!flipper_format_write_string_cstr(flipper_format, "File_name", file_path)) {
FURI_LOG_E(TAG, "Unable to add File_name");
break;
}
} while(false);
}
SubGhzProtocolStatus
subghz_protocol_encoder_raw_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderRAW* instance = context;
SubGhzProtocolStatus res = SubGhzProtocolStatusError;
FuriString* temp_str;
temp_str = furi_string_alloc();
do {
if(!flipper_format_rewind(flipper_format)) {
FURI_LOG_E(TAG, "Rewind error");
res = SubGhzProtocolStatusErrorParserOthers;
break;
}
if(!flipper_format_read_string(flipper_format, "File_name", temp_str)) {
FURI_LOG_E(TAG, "Missing File_name");
res = SubGhzProtocolStatusErrorParserOthers;
break;
}
furi_string_set(instance->file_name, temp_str);
if(!subghz_protocol_encoder_raw_worker_init(instance)) {
res = SubGhzProtocolStatusErrorEncoderGetUpload;
break;
}
res = SubGhzProtocolStatusOk;
} while(false);
furi_string_free(temp_str);
return res;
}
LevelDuration subghz_protocol_encoder_raw_yield(void* context) {
SubGhzProtocolEncoderRAW* instance = context;
if(!instance->is_running) return level_duration_reset();
return subghz_file_encoder_worker_get_level_duration(instance->file_worker_encoder);
}
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