flipperzero-firmware/lib/subghz/protocols/marantec.c
MX 9b13842467
Fix typos in subghz (#1588)
Co-authored-by: あく <alleteam@gmail.com>
2022-08-18 01:40:09 +09:00

394 lines
14 KiB
C

#include "marantec.h"
#include <lib/toolbox/manchester_decoder.h>
#include <lib/toolbox/manchester_encoder.h>
#include "../blocks/const.h"
#include "../blocks/decoder.h"
#include "../blocks/encoder.h"
#include "../blocks/generic.h"
#include "../blocks/math.h"
#define TAG "SubGhzProtocolMarantec"
static const SubGhzBlockConst subghz_protocol_marantec_const = {
.te_short = 1000,
.te_long = 2000,
.te_delta = 200,
.min_count_bit_for_found = 49,
};
struct SubGhzProtocolDecoderMarantec {
SubGhzProtocolDecoderBase base;
SubGhzBlockDecoder decoder;
SubGhzBlockGeneric generic;
ManchesterState manchester_saved_state;
uint16_t header_count;
};
struct SubGhzProtocolEncoderMarantec {
SubGhzProtocolEncoderBase base;
SubGhzProtocolBlockEncoder encoder;
SubGhzBlockGeneric generic;
};
typedef enum {
MarantecDecoderStepReset = 0,
MarantecDecoderFoundHeader,
MarantecDecoderStepDecoderData,
} MarantecDecoderStep;
const SubGhzProtocolDecoder subghz_protocol_marantec_decoder = {
.alloc = subghz_protocol_decoder_marantec_alloc,
.free = subghz_protocol_decoder_marantec_free,
.feed = subghz_protocol_decoder_marantec_feed,
.reset = subghz_protocol_decoder_marantec_reset,
.get_hash_data = subghz_protocol_decoder_marantec_get_hash_data,
.serialize = subghz_protocol_decoder_marantec_serialize,
.deserialize = subghz_protocol_decoder_marantec_deserialize,
.get_string = subghz_protocol_decoder_marantec_get_string,
};
const SubGhzProtocolEncoder subghz_protocol_marantec_encoder = {
.alloc = subghz_protocol_encoder_marantec_alloc,
.free = subghz_protocol_encoder_marantec_free,
.deserialize = subghz_protocol_encoder_marantec_deserialize,
.stop = subghz_protocol_encoder_marantec_stop,
.yield = subghz_protocol_encoder_marantec_yield,
};
const SubGhzProtocol subghz_protocol_marantec = {
.name = SUBGHZ_PROTOCOL_MARANTEC_NAME,
.type = SubGhzProtocolTypeStatic,
.flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
.decoder = &subghz_protocol_marantec_decoder,
.encoder = &subghz_protocol_marantec_encoder,
};
void* subghz_protocol_encoder_marantec_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolEncoderMarantec* instance = malloc(sizeof(SubGhzProtocolEncoderMarantec));
instance->base.protocol = &subghz_protocol_marantec;
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_running = false;
return instance;
}
void subghz_protocol_encoder_marantec_free(void* context) {
furi_assert(context);
SubGhzProtocolEncoderMarantec* instance = context;
free(instance->encoder.upload);
free(instance);
}
static LevelDuration
subghz_protocol_encoder_marantec_add_duration_to_upload(ManchesterEncoderResult result) {
LevelDuration data = {.duration = 0, .level = 0};
switch(result) {
case ManchesterEncoderResultShortLow:
data.duration = subghz_protocol_marantec_const.te_short;
data.level = false;
break;
case ManchesterEncoderResultLongLow:
data.duration = subghz_protocol_marantec_const.te_long;
data.level = false;
break;
case ManchesterEncoderResultLongHigh:
data.duration = subghz_protocol_marantec_const.te_long;
data.level = true;
break;
case ManchesterEncoderResultShortHigh:
data.duration = subghz_protocol_marantec_const.te_short;
data.level = true;
break;
default:
furi_crash("SubGhz: ManchesterEncoderResult is incorrect.");
break;
}
return level_duration_make(data.level, data.duration);
}
/**
* Generating an upload from data.
* @param instance Pointer to a SubGhzProtocolEncoderMarantec instance
*/
static void subghz_protocol_encoder_marantec_get_upload(SubGhzProtocolEncoderMarantec* instance) {
furi_assert(instance);
size_t index = 0;
ManchesterEncoderState enc_state;
manchester_encoder_reset(&enc_state);
ManchesterEncoderResult result;
if(!manchester_encoder_advance(
&enc_state,
bit_read(instance->generic.data, instance->generic.data_count_bit - 1),
&result)) {
instance->encoder.upload[index++] =
subghz_protocol_encoder_marantec_add_duration_to_upload(result);
manchester_encoder_advance(
&enc_state,
bit_read(instance->generic.data, instance->generic.data_count_bit - 1),
&result);
}
instance->encoder.upload[index++] =
level_duration_make(false, (uint32_t)subghz_protocol_marantec_const.te_long * 5);
for(uint8_t i = instance->generic.data_count_bit - 1; i > 0; i--) {
if(!manchester_encoder_advance(
&enc_state, bit_read(instance->generic.data, i - 1), &result)) {
instance->encoder.upload[index++] =
subghz_protocol_encoder_marantec_add_duration_to_upload(result);
manchester_encoder_advance(
&enc_state, bit_read(instance->generic.data, i - 1), &result);
}
instance->encoder.upload[index++] =
subghz_protocol_encoder_marantec_add_duration_to_upload(result);
}
instance->encoder.upload[index] = subghz_protocol_encoder_marantec_add_duration_to_upload(
manchester_encoder_finish(&enc_state));
if(level_duration_get_level(instance->encoder.upload[index])) {
index++;
}
instance->encoder.size_upload = index;
}
uint8_t subghz_protocol_marantec_crc8(uint8_t* data, size_t len) {
uint8_t crc = 0x08;
size_t i, j;
for(i = 0; i < len; i++) {
crc ^= data[i];
for(j = 0; j < 8; j++) {
if((crc & 0x80) != 0)
crc = (uint8_t)((crc << 1) ^ 0x1D);
else
crc <<= 1;
}
}
return crc;
}
/**
* Analysis of received data
* @param instance Pointer to a SubGhzBlockGeneric* instance
*/
static void subghz_protocol_marantec_remote_controller(SubGhzBlockGeneric* instance) {
instance->btn = (instance->data >> 16) & 0xF;
instance->serial = ((instance->data >> 12) & 0xFFFFFF00) | ((instance->data >> 8) & 0xFF);
}
bool subghz_protocol_encoder_marantec_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolEncoderMarantec* 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_marantec_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_marantec_remote_controller(&instance->generic);
subghz_protocol_encoder_marantec_get_upload(instance);
instance->encoder.is_running = true;
res = true;
} while(false);
return res;
}
void subghz_protocol_encoder_marantec_stop(void* context) {
SubGhzProtocolEncoderMarantec* instance = context;
instance->encoder.is_running = false;
}
LevelDuration subghz_protocol_encoder_marantec_yield(void* context) {
SubGhzProtocolEncoderMarantec* 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_marantec_alloc(SubGhzEnvironment* environment) {
UNUSED(environment);
SubGhzProtocolDecoderMarantec* instance = malloc(sizeof(SubGhzProtocolDecoderMarantec));
instance->base.protocol = &subghz_protocol_marantec;
instance->generic.protocol_name = instance->base.protocol->name;
return instance;
}
void subghz_protocol_decoder_marantec_free(void* context) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
free(instance);
}
void subghz_protocol_decoder_marantec_reset(void* context) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
manchester_advance(
instance->manchester_saved_state,
ManchesterEventReset,
&instance->manchester_saved_state,
NULL);
}
void subghz_protocol_decoder_marantec_feed(void* context, bool level, volatile uint32_t duration) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
ManchesterEvent event = ManchesterEventReset;
switch(instance->decoder.parser_step) {
case MarantecDecoderStepReset:
if((!level) && (DURATION_DIFF(duration, subghz_protocol_marantec_const.te_long * 5) <
subghz_protocol_marantec_const.te_delta * 8)) {
//Found header marantec
instance->decoder.parser_step = MarantecDecoderStepDecoderData;
instance->decoder.decode_data = 1;
instance->decoder.decode_count_bit = 1;
manchester_advance(
instance->manchester_saved_state,
ManchesterEventReset,
&instance->manchester_saved_state,
NULL);
}
break;
case MarantecDecoderStepDecoderData:
if(!level) {
if(DURATION_DIFF(duration, subghz_protocol_marantec_const.te_short) <
subghz_protocol_marantec_const.te_delta) {
event = ManchesterEventShortLow;
} else if(
DURATION_DIFF(duration, subghz_protocol_marantec_const.te_long) <
subghz_protocol_marantec_const.te_delta) {
event = ManchesterEventLongLow;
} else if(
duration >= ((uint32_t)subghz_protocol_marantec_const.te_long * 2 +
subghz_protocol_marantec_const.te_delta)) {
if(instance->decoder.decode_count_bit ==
subghz_protocol_marantec_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 = 1;
instance->decoder.decode_count_bit = 1;
manchester_advance(
instance->manchester_saved_state,
ManchesterEventReset,
&instance->manchester_saved_state,
NULL);
} else {
instance->decoder.parser_step = MarantecDecoderStepReset;
}
} else {
if(DURATION_DIFF(duration, subghz_protocol_marantec_const.te_short) <
subghz_protocol_marantec_const.te_delta) {
event = ManchesterEventShortHigh;
} else if(
DURATION_DIFF(duration, subghz_protocol_marantec_const.te_long) <
subghz_protocol_marantec_const.te_delta) {
event = ManchesterEventLongHigh;
} else {
instance->decoder.parser_step = MarantecDecoderStepReset;
}
}
if(event != ManchesterEventReset) {
bool data;
bool data_ok = manchester_advance(
instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
if(data_ok) {
instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
instance->decoder.decode_count_bit++;
}
}
break;
}
}
uint8_t subghz_protocol_decoder_marantec_get_hash_data(void* context) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
return subghz_protocol_blocks_get_hash_data(
&instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
}
bool subghz_protocol_decoder_marantec_serialize(
void* context,
FlipperFormat* flipper_format,
SubGhzPresetDefinition* preset) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
}
bool subghz_protocol_decoder_marantec_deserialize(void* context, FlipperFormat* flipper_format) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
bool ret = false;
do {
if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
break;
}
if(instance->generic.data_count_bit !=
subghz_protocol_marantec_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_marantec_get_string(void* context, string_t output) {
furi_assert(context);
SubGhzProtocolDecoderMarantec* instance = context;
subghz_protocol_marantec_remote_controller(&instance->generic);
string_cat_printf(
output,
"%s %db\r\n"
"Key:0x%lX%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),
(uint32_t)(instance->generic.data & 0xFFFFFFFF),
instance->generic.serial,
instance->generic.btn);
}