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unleashed-firmware/lib/subghz/protocols/ansonic.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 "ansonic.h"
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocolAnsonic"
#define DIP_PATTERN "%c%c%c%c%c%c%c%c%c%c"
#define CNT_TO_DIP(dip) \
(dip & 0x0800 ? '1' : '0'), (dip & 0x0400 ? '1' : '0'), (dip & 0x0200 ? '1' : '0'), \
(dip & 0x0100 ? '1' : '0'), (dip & 0x0080 ? '1' : '0'), (dip & 0x0040 ? '1' : '0'), \
(dip & 0x0020 ? '1' : '0'), (dip & 0x0010 ? '1' : '0'), (dip & 0x0001 ? '1' : '0'), \
(dip & 0x0008 ? '1' : '0')
static const SubGhzBlockConst subghz_protocol_ansonic_const = {
.te_short = 555,
.te_long = 1111,
.te_delta = 120,
.min_count_bit_for_found = 12,
};
struct SubGhzProtocolDecoderAnsonic {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
};
struct SubGhzProtocolEncoderAnsonic {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
AnsonicDecoderStepReset = 0,
AnsonicDecoderStepFoundStartBit,
AnsonicDecoderStepSaveDuration,
AnsonicDecoderStepCheckDuration,
} AnsonicDecoderStep;
const SubGhzProtocolDecoder subghz_protocol_ansonic_decoder = {
.alloc = subghz_protocol_decoder_ansonic_alloc,
.free = subghz_protocol_decoder_ansonic_free,
.feed = subghz_protocol_decoder_ansonic_feed,
.reset = subghz_protocol_decoder_ansonic_reset,
.get_hash_data = subghz_protocol_decoder_ansonic_get_hash_data,
.serialize = subghz_protocol_decoder_ansonic_serialize,
.deserialize = subghz_protocol_decoder_ansonic_deserialize,
.get_string = subghz_protocol_decoder_ansonic_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_ansonic_encoder = {
.alloc = subghz_protocol_encoder_ansonic_alloc,
.free = subghz_protocol_encoder_ansonic_free,
.deserialize = subghz_protocol_encoder_ansonic_deserialize,
.stop = subghz_protocol_encoder_ansonic_stop,
.yield = subghz_protocol_encoder_ansonic_yield,
};
const SubGhzProtocol subghz_protocol_ansonic = {
.name = SUBGHZ_PROTOCOL_ANSONIC_NAME,
.type = SubGhzProtocolTypeStatic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_FM |
SubGhzProtocolFlag_Decodable | SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save |
SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_ansonic_decoder,
.encoder = &subghz_protocol_ansonic_encoder,
};
void* subghz_protocol_encoder_ansonic_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolEncoderAnsonic* instance = malloc(sizeof(SubGhzProtocolEncoderAnsonic));
instance->base.protocol = &subghz_protocol_ansonic;
instance->generic.protocol_name = instance->base.protocol->name;
instance->encoder.repeat = 10;
instance->encoder.size_upload = 52;
instance->encoder.upload = malloc(instance->encoder.size_upload * sizeof(LevelDuration));
instance->encoder.is_running = false;
return instance;
}
void subghz_protocol_encoder_ansonic_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderAnsonic* instance = context;
free(instance->encoder.upload);
free(instance);
}
/**
* Generating an upload from data.
* @param instance Pointer to a SubGhzProtocolEncoderAnsonic instance
* @return true On success
*/
static bool subghz_protocol_encoder_ansonic_get_upload(SubGhzProtocolEncoderAnsonic* 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_ansonic_const.te_short * 35);
//Send start bit
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_ansonic_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(false, (uint32_t)subghz_protocol_ansonic_const.te_short);
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_ansonic_const.te_long);
} else {
//send bit 0
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_ansonic_const.te_long);
instance->encoder.upload[index++] =
level_duration_make(true, (uint32_t)subghz_protocol_ansonic_const.te_short);
}
}
return true;
}
SubGhzProtocolStatus
subghz_protocol_encoder_ansonic_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderAnsonic* instance = context;
SubGhzProtocolStatus res = SubGhzProtocolStatusError;
do {
res = subghz_block_generic_deserialize_check_count_bit(
&instance->generic,
flipper_format,
subghz_protocol_ansonic_const.min_count_bit_for_found);
if(res != SubGhzProtocolStatusOk) {
FURI_LOG_E(TAG, "Deserialize error");
break;
}
//optional parameter parameter
flipper_format_read_uint32(
flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
if(!subghz_protocol_encoder_ansonic_get_upload(instance)) {
res = SubGhzProtocolStatusErrorEncoderGetUpload;
break;
}
instance->encoder.is_running = true;
} while(false);
return res;
}
void subghz_protocol_encoder_ansonic_stop(void* context) {
SubGhzProtocolEncoderAnsonic* instance = context;
instance->encoder.is_running = false;
}
LevelDuration subghz_protocol_encoder_ansonic_yield(void* context) {
SubGhzProtocolEncoderAnsonic* 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_ansonic_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolDecoderAnsonic* instance = malloc(sizeof(SubGhzProtocolDecoderAnsonic));
instance->base.protocol = &subghz_protocol_ansonic;
instance->generic.protocol_name = instance->base.protocol->name;
return instance;
}
void subghz_protocol_decoder_ansonic_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
free(instance);
}
void subghz_protocol_decoder_ansonic_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
instance->decoder.parser_step = AnsonicDecoderStepReset;
}
void subghz_protocol_decoder_ansonic_feed(void* context, bool level, uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
switch(instance->decoder.parser_step) {
case AnsonicDecoderStepReset:
if((!level) && (DURATION_DIFF(duration, subghz_protocol_ansonic_const.te_short * 35) <
subghz_protocol_ansonic_const.te_delta * 35)) {
//Found header Ansonic
instance->decoder.parser_step = AnsonicDecoderStepFoundStartBit;
}
break;
case AnsonicDecoderStepFoundStartBit:
if(!level) {
break;
} else if(
DURATION_DIFF(duration, subghz_protocol_ansonic_const.te_short) <
subghz_protocol_ansonic_const.te_delta) {
//Found start bit Ansonic
instance->decoder.parser_step = AnsonicDecoderStepSaveDuration;
instance->decoder.decode_data = 0;
instance->decoder.decode_count_bit = 0;
} else {
instance->decoder.parser_step = AnsonicDecoderStepReset;
}
break;
case AnsonicDecoderStepSaveDuration:
if(!level) { //save interval
if(duration >= (subghz_protocol_ansonic_const.te_short * 4)) {
instance->decoder.parser_step = AnsonicDecoderStepFoundStartBit;
if(instance->decoder.decode_count_bit >=
subghz_protocol_ansonic_const.min_count_bit_for_found) {
instance->generic.serial = 0x0;
instance->generic.btn = 0x0;
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 = AnsonicDecoderStepCheckDuration;
} else {
instance->decoder.parser_step = AnsonicDecoderStepReset;
}
break;
case AnsonicDecoderStepCheckDuration:
if(level) {
if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_ansonic_const.te_short) <
subghz_protocol_ansonic_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_ansonic_const.te_long) <
subghz_protocol_ansonic_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 1);
instance->decoder.parser_step = AnsonicDecoderStepSaveDuration;
} else if(
(DURATION_DIFF(instance->decoder.te_last, subghz_protocol_ansonic_const.te_long) <
subghz_protocol_ansonic_const.te_delta) &&
(DURATION_DIFF(duration, subghz_protocol_ansonic_const.te_short) <
subghz_protocol_ansonic_const.te_delta)) {
subghz_protocol_blocks_add_bit(&instance->decoder, 0);
instance->decoder.parser_step = AnsonicDecoderStepSaveDuration;
} else
instance->decoder.parser_step = AnsonicDecoderStepReset;
} else {
instance->decoder.parser_step = AnsonicDecoderStepReset;
}
break;
}
}
/**
* Analysis of received data
* @param instance Pointer to a SubGhzBlockGeneric* instance
*/
static void subghz_protocol_ansonic_check_remote_controller(SubGhzBlockGeneric* instance) {
/*
* 12345678(10) k 9
* AAA => 10101010 1 01 0
*
* 1...10 - DIP
* k- KEY
*/
instance->cnt = instance->data & 0xFFF;
instance->btn = ((instance->data >> 1) & 0x3);
}
uint8_t subghz_protocol_decoder_ansonic_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
SubGhzProtocolStatus subghz_protocol_decoder_ansonic_serialize(
void* context,
FlipperFormat* flipper_format,
SubGhzRadioPreset* preset) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
}
SubGhzProtocolStatus
subghz_protocol_decoder_ansonic_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
return subghz_block_generic_deserialize_check_count_bit(
&instance->generic, flipper_format, subghz_protocol_ansonic_const.min_count_bit_for_found);
}
void subghz_protocol_decoder_ansonic_get_string(void* context, FuriString* output) {
furi_assert(context);
SubGhzProtocolDecoderAnsonic* instance = context;
subghz_protocol_ansonic_check_remote_controller(&instance->generic);
furi_string_cat_printf(
output,
"%s %dbit\r\n"
"Key:%03lX\r\n"
"Btn:%X\r\n"
"DIP:" DIP_PATTERN "\r\n",
instance->generic.protocol_name,
instance->generic.data_count_bit,
(uint32_t)(instance->generic.data & 0xFFFFFFFF),
instance->generic.btn,
CNT_TO_DIP(instance->generic.cnt));
}
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