[FL-3068] SubGhz: add Holtek_ht12x protocol (#2187)

* SubGhz: add Holtek_ht12x protocol
* SubGhz: add unit_test holtek_ht12x
* SubGhz: correct string formatting

Co-authored-by: あく <alleteam@gmail.com>

applications/debug/unit_tests/subghz/subghz_test.c

@@ -13,7 +13,7 @@
 #define CAME_ATOMO_DIR_NAME EXT_PATH("subghz/assets/came_atomo")
 #define NICE_FLOR_S_DIR_NAME EXT_PATH("subghz/assets/nice_flor_s")
 #define TEST_RANDOM_DIR_NAME EXT_PATH("unit_tests/subghz/test_random_raw.sub")
-#define TEST_RANDOM_COUNT_PARSE 253
+#define TEST_RANDOM_COUNT_PARSE 273
 #define TEST_TIMEOUT 10000
 
 static SubGhzEnvironment* environment_handler;
@@ -597,6 +597,13 @@ MU_TEST(subghz_decoder_smc5326_test) {
         "Test decoder " SUBGHZ_PROTOCOL_SMC5326_NAME " error\r\n");
 }
 
+MU_TEST(subghz_decoder_holtek_ht12x_test) {
+    mu_assert(
+        subghz_decoder_test(
+            EXT_PATH("unit_tests/subghz/holtek_ht12x_raw.sub"), SUBGHZ_PROTOCOL_HOLTEK_HT12X_NAME),
+        "Test decoder " SUBGHZ_PROTOCOL_HOLTEK_HT12X_NAME " error\r\n");
+}
+
 //test encoders
 MU_TEST(subghz_encoder_princeton_test) {
     mu_assert(
@@ -730,6 +737,12 @@ MU_TEST(subghz_encoder_smc5326_test) {
         "Test encoder " SUBGHZ_PROTOCOL_SMC5326_NAME " error\r\n");
 }
 
+MU_TEST(subghz_encoder_holtek_ht12x_test) {
+    mu_assert(
+        subghz_encoder_test(EXT_PATH("unit_tests/subghz/holtek_ht12x.sub")),
+        "Test encoder " SUBGHZ_PROTOCOL_HOLTEK_HT12X_NAME " error\r\n");
+}
+
 MU_TEST(subghz_random_test) {
     mu_assert(subghz_decode_random_test(TEST_RANDOM_DIR_NAME), "Random test error\r\n");
 }
@@ -774,6 +787,7 @@ MU_TEST_SUITE(subghz) {
     MU_RUN_TEST(subghz_decoder_clemsa_test);
     MU_RUN_TEST(subghz_decoder_ansonic_test);
     MU_RUN_TEST(subghz_decoder_smc5326_test);
+    MU_RUN_TEST(subghz_decoder_holtek_ht12x_test);
 
     MU_RUN_TEST(subghz_encoder_princeton_test);
     MU_RUN_TEST(subghz_encoder_came_test);
@@ -797,6 +811,7 @@ MU_TEST_SUITE(subghz) {
     MU_RUN_TEST(subghz_encoder_clemsa_test);
     MU_RUN_TEST(subghz_encoder_ansonic_test);
     MU_RUN_TEST(subghz_encoder_smc5326_test);
+    MU_RUN_TEST(subghz_encoder_holtek_ht12x_test);
 
     MU_RUN_TEST(subghz_random_test);
     subghz_test_deinit();

assets/unit_tests/subghz/holtek_ht12x.sub

@@ -0,0 +1,8 @@
+Filetype: Flipper SubGhz Key File
+Version: 1
+Frequency: 433920000
+Preset: FuriHalSubGhzPresetOok650Async
+Protocol: Holtek_HT12X
+Bit: 12
+Key: 00 00 00 00 00 00 0F FB
+TE: 205

lib/subghz/protocols/holtek_ht12x.c

@@ -0,0 +1,400 @@
+#include "holtek_ht12x.h"
+
+#include "../blocks/const.h"
+#include "../blocks/decoder.h"
+#include "../blocks/encoder.h"
+#include "../blocks/generic.h"
+#include "../blocks/math.h"
+
+/*
+ * Help
+ * https://www.holtek.com/documents/10179/116711/HT12A_Ev130.pdf
+ *
+ */
+
+#define TAG "SubGhzProtocolHoltek_HT12X"
+
+#define DIP_PATTERN "%c%c%c%c%c%c%c%c"
+#define CNT_TO_DIP(dip)                                                                     \
+    (dip & 0x0080 ? '0' : '1'), (dip & 0x0040 ? '0' : '1'), (dip & 0x0020 ? '0' : '1'),     \
+        (dip & 0x0010 ? '0' : '1'), (dip & 0x0008 ? '0' : '1'), (dip & 0x0004 ? '0' : '1'), \
+        (dip & 0x0002 ? '0' : '1'), (dip & 0x0001 ? '0' : '1')
+
+static const SubGhzBlockConst subghz_protocol_holtek_th12x_const = {
+    .te_short = 320,
+    .te_long = 640,
+    .te_delta = 200,
+    .min_count_bit_for_found = 12,
+};
+
+struct SubGhzProtocolDecoderHoltek_HT12X {
+    SubGhzProtocolDecoderBase base;
+
+    SubGhzBlockDecoder decoder;
+    SubGhzBlockGeneric generic;
+
+    uint32_t te;
+    uint32_t last_data;
+};
+
+struct SubGhzProtocolEncoderHoltek_HT12X {
+    SubGhzProtocolEncoderBase base;
+
+    SubGhzProtocolBlockEncoder encoder;
+    SubGhzBlockGeneric generic;
+
+    uint32_t te;
+};
+
+typedef enum {
+    Holtek_HT12XDecoderStepReset = 0,
+    Holtek_HT12XDecoderStepFoundStartBit,
+    Holtek_HT12XDecoderStepSaveDuration,
+    Holtek_HT12XDecoderStepCheckDuration,
+} Holtek_HT12XDecoderStep;
+
+const SubGhzProtocolDecoder subghz_protocol_holtek_th12x_decoder = {
+    .alloc = subghz_protocol_decoder_holtek_th12x_alloc,
+    .free = subghz_protocol_decoder_holtek_th12x_free,
+
+    .feed = subghz_protocol_decoder_holtek_th12x_feed,
+    .reset = subghz_protocol_decoder_holtek_th12x_reset,
+
+    .get_hash_data = subghz_protocol_decoder_holtek_th12x_get_hash_data,
+    .serialize = subghz_protocol_decoder_holtek_th12x_serialize,
+    .deserialize = subghz_protocol_decoder_holtek_th12x_deserialize,
+    .get_string = subghz_protocol_decoder_holtek_th12x_get_string,
+};
+
+const SubGhzProtocolEncoder subghz_protocol_holtek_th12x_encoder = {
+    .alloc = subghz_protocol_encoder_holtek_th12x_alloc,
+    .free = subghz_protocol_encoder_holtek_th12x_free,
+
+    .deserialize = subghz_protocol_encoder_holtek_th12x_deserialize,
+    .stop = subghz_protocol_encoder_holtek_th12x_stop,
+    .yield = subghz_protocol_encoder_holtek_th12x_yield,
+};
+
+const SubGhzProtocol subghz_protocol_holtek_th12x = {
+    .name = SUBGHZ_PROTOCOL_HOLTEK_HT12X_NAME,
+    .type = SubGhzProtocolTypeStatic,
+    .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_868 | SubGhzProtocolFlag_315 |
+            SubGhzProtocolFlag_AM | SubGhzProtocolFlag_FM | SubGhzProtocolFlag_Decodable |
+            SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
+
+    .decoder = &subghz_protocol_holtek_th12x_decoder,
+    .encoder = &subghz_protocol_holtek_th12x_encoder,
+};
+
+void* subghz_protocol_encoder_holtek_th12x_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolEncoderHoltek_HT12X* instance =
+        malloc(sizeof(SubGhzProtocolEncoderHoltek_HT12X));
+
+    instance->base.protocol = &subghz_protocol_holtek_th12x;
+    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_holtek_th12x_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolEncoderHoltek_HT12X* instance = context;
+    free(instance->encoder.upload);
+    free(instance);
+}
+
+/**
+ * Generating an upload from data.
+ * @param instance Pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ * @return true On success
+ */
+static bool
+    subghz_protocol_encoder_holtek_th12x_get_upload(SubGhzProtocolEncoderHoltek_HT12X* 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)instance->te * 36);
+    //Send start bit
+    instance->encoder.upload[index++] = level_duration_make(true, (uint32_t)instance->te);
+    //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)instance->te * 2);
+            instance->encoder.upload[index++] = level_duration_make(true, (uint32_t)instance->te);
+        } else {
+            //send bit 0
+            instance->encoder.upload[index++] = level_duration_make(false, (uint32_t)instance->te);
+            instance->encoder.upload[index++] =
+                level_duration_make(true, (uint32_t)instance->te * 2);
+        }
+    }
+    return true;
+}
+
+bool subghz_protocol_encoder_holtek_th12x_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolEncoderHoltek_HT12X* instance = context;
+    bool res = false;
+    do {
+        if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
+            FURI_LOG_E(TAG, "Deserialize error");
+            break;
+        }
+        if(!flipper_format_rewind(flipper_format)) {
+            FURI_LOG_E(TAG, "Rewind error");
+            break;
+        }
+        if(!flipper_format_read_uint32(flipper_format, "TE", (uint32_t*)&instance->te, 1)) {
+            FURI_LOG_E(TAG, "Missing TE");
+            break;
+        }
+        if(instance->generic.data_count_bit !=
+           subghz_protocol_holtek_th12x_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);
+
+        if(!subghz_protocol_encoder_holtek_th12x_get_upload(instance)) break;
+        instance->encoder.is_running = true;
+
+        res = true;
+    } while(false);
+
+    return res;
+}
+
+void subghz_protocol_encoder_holtek_th12x_stop(void* context) {
+    SubGhzProtocolEncoderHoltek_HT12X* instance = context;
+    instance->encoder.is_running = false;
+}
+
+LevelDuration subghz_protocol_encoder_holtek_th12x_yield(void* context) {
+    SubGhzProtocolEncoderHoltek_HT12X* 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_holtek_th12x_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolDecoderHoltek_HT12X* instance =
+        malloc(sizeof(SubGhzProtocolDecoderHoltek_HT12X));
+    instance->base.protocol = &subghz_protocol_holtek_th12x;
+    instance->generic.protocol_name = instance->base.protocol->name;
+    return instance;
+}
+
+void subghz_protocol_decoder_holtek_th12x_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    free(instance);
+}
+
+void subghz_protocol_decoder_holtek_th12x_reset(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    instance->decoder.parser_step = Holtek_HT12XDecoderStepReset;
+}
+
+void subghz_protocol_decoder_holtek_th12x_feed(void* context, bool level, uint32_t duration) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+
+    switch(instance->decoder.parser_step) {
+    case Holtek_HT12XDecoderStepReset:
+        if((!level) && (DURATION_DIFF(duration, subghz_protocol_holtek_th12x_const.te_short * 36) <
+                        subghz_protocol_holtek_th12x_const.te_delta * 36)) {
+            //Found Preambula
+            instance->decoder.parser_step = Holtek_HT12XDecoderStepFoundStartBit;
+        }
+        break;
+    case Holtek_HT12XDecoderStepFoundStartBit:
+        if((level) && (DURATION_DIFF(duration, subghz_protocol_holtek_th12x_const.te_short) <
+                       subghz_protocol_holtek_th12x_const.te_delta)) {
+            //Found StartBit
+            instance->decoder.parser_step = Holtek_HT12XDecoderStepSaveDuration;
+            instance->decoder.decode_data = 0;
+            instance->decoder.decode_count_bit = 0;
+            instance->te = duration;
+        } else {
+            instance->decoder.parser_step = Holtek_HT12XDecoderStepReset;
+        }
+        break;
+    case Holtek_HT12XDecoderStepSaveDuration:
+        //save duration
+        if(!level) {
+            if(duration >= ((uint32_t)subghz_protocol_holtek_th12x_const.te_short * 10 +
+                            subghz_protocol_holtek_th12x_const.te_delta)) {
+                if(instance->decoder.decode_count_bit ==
+                   subghz_protocol_holtek_th12x_const.min_count_bit_for_found) {
+                    if((instance->last_data == instance->decoder.decode_data) &&
+                       instance->last_data) {
+                        instance->te /= (instance->decoder.decode_count_bit * 3 + 1);
+
+                        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->last_data = instance->decoder.decode_data;
+                }
+                instance->decoder.decode_data = 0;
+                instance->decoder.decode_count_bit = 0;
+                instance->te = 0;
+                instance->decoder.parser_step = Holtek_HT12XDecoderStepFoundStartBit;
+                break;
+            } else {
+                instance->decoder.te_last = duration;
+                instance->te += duration;
+                instance->decoder.parser_step = Holtek_HT12XDecoderStepCheckDuration;
+            }
+        } else {
+            instance->decoder.parser_step = Holtek_HT12XDecoderStepReset;
+        }
+        break;
+    case Holtek_HT12XDecoderStepCheckDuration:
+        if(level) {
+            instance->te += duration;
+            if((DURATION_DIFF(
+                    instance->decoder.te_last, subghz_protocol_holtek_th12x_const.te_long) <
+                subghz_protocol_holtek_th12x_const.te_delta * 2) &&
+               (DURATION_DIFF(duration, subghz_protocol_holtek_th12x_const.te_short) <
+                subghz_protocol_holtek_th12x_const.te_delta)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 1);
+                instance->decoder.parser_step = Holtek_HT12XDecoderStepSaveDuration;
+            } else if(
+                (DURATION_DIFF(
+                     instance->decoder.te_last, subghz_protocol_holtek_th12x_const.te_short) <
+                 subghz_protocol_holtek_th12x_const.te_delta) &&
+                (DURATION_DIFF(duration, subghz_protocol_holtek_th12x_const.te_long) <
+                 subghz_protocol_holtek_th12x_const.te_delta * 2)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 0);
+                instance->decoder.parser_step = Holtek_HT12XDecoderStepSaveDuration;
+            } else {
+                instance->decoder.parser_step = Holtek_HT12XDecoderStepReset;
+            }
+        } else {
+            instance->decoder.parser_step = Holtek_HT12XDecoderStepReset;
+        }
+        break;
+    }
+}
+
+/** 
+ * Analysis of received data
+ * @param instance Pointer to a SubGhzBlockGeneric* instance
+ */
+static void subghz_protocol_holtek_th12x_check_remote_controller(SubGhzBlockGeneric* instance) {
+    instance->btn = instance->data & 0x0F;
+    instance->cnt = (instance->data >> 4) & 0xFF;
+}
+
+uint8_t subghz_protocol_decoder_holtek_th12x_get_hash_data(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    return subghz_protocol_blocks_get_hash_data(
+        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
+}
+
+bool subghz_protocol_decoder_holtek_th12x_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    bool res = subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
+    if(res && !flipper_format_write_uint32(flipper_format, "TE", &instance->te, 1)) {
+        FURI_LOG_E(TAG, "Unable to add TE");
+        res = false;
+    }
+    return res;
+}
+
+bool subghz_protocol_decoder_holtek_th12x_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    bool ret = false;
+    do {
+        if(!subghz_block_generic_deserialize(&instance->generic, flipper_format)) {
+            break;
+        }
+        if(instance->generic.data_count_bit !=
+           subghz_protocol_holtek_th12x_const.min_count_bit_for_found) {
+            FURI_LOG_E(TAG, "Wrong number of bits in key");
+            break;
+        }
+        if(!flipper_format_rewind(flipper_format)) {
+            FURI_LOG_E(TAG, "Rewind error");
+            break;
+        }
+        if(!flipper_format_read_uint32(flipper_format, "TE", (uint32_t*)&instance->te, 1)) {
+            FURI_LOG_E(TAG, "Missing TE");
+            break;
+        }
+        ret = true;
+    } while(false);
+    return ret;
+}
+
+static void subghz_protocol_holtek_th12x_event_serialize(uint8_t event, FuriString* output) {
+    furi_string_cat_printf(
+        output,
+        "%s%s%s%s\r\n",
+        (((event >> 3) & 0x1) == 0x0 ? "B1 " : ""),
+        (((event >> 2) & 0x1) == 0x0 ? "B2 " : ""),
+        (((event >> 1) & 0x1) == 0x0 ? "B3 " : ""),
+        (((event >> 0) & 0x1) == 0x0 ? "B4 " : ""));
+}
+
+void subghz_protocol_decoder_holtek_th12x_get_string(void* context, FuriString* output) {
+    furi_assert(context);
+    SubGhzProtocolDecoderHoltek_HT12X* instance = context;
+    subghz_protocol_holtek_th12x_check_remote_controller(&instance->generic);
+
+    furi_string_cat_printf(
+        output,
+        "%s %db\r\n"
+        "Key:0x%03lX\r\n"
+        "Btn: ",
+        instance->generic.protocol_name,
+        instance->generic.data_count_bit,
+        (uint32_t)(instance->generic.data & 0xFFF));
+    subghz_protocol_holtek_th12x_event_serialize(instance->generic.btn, output);
+    furi_string_cat_printf(
+        output,
+        "DIP:" DIP_PATTERN "\r\n"
+        "Te:%luus\r\n",
+        CNT_TO_DIP(instance->generic.cnt),
+        instance->te);
+}

lib/subghz/protocols/holtek_ht12x.h

@@ -0,0 +1,107 @@
+#pragma once
+
+#include "base.h"
+
+#define SUBGHZ_PROTOCOL_HOLTEK_HT12X_NAME "Holtek_HT12X"
+
+typedef struct SubGhzProtocolDecoderHoltek_HT12X SubGhzProtocolDecoderHoltek_HT12X;
+typedef struct SubGhzProtocolEncoderHoltek_HT12X SubGhzProtocolEncoderHoltek_HT12X;
+
+extern const SubGhzProtocolDecoder subghz_protocol_holtek_th12x_decoder;
+extern const SubGhzProtocolEncoder subghz_protocol_holtek_th12x_encoder;
+extern const SubGhzProtocol subghz_protocol_holtek_th12x;
+
+/**
+ * Allocate SubGhzProtocolEncoderHoltek_HT12X.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolEncoderHoltek_HT12X* pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ */
+void* subghz_protocol_encoder_holtek_th12x_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolEncoderHoltek_HT12X.
+ * @param context Pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ */
+void subghz_protocol_encoder_holtek_th12x_free(void* context);
+
+/**
+ * Deserialize and generating an upload to send.
+ * @param context Pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return true On success
+ */
+bool subghz_protocol_encoder_holtek_th12x_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Forced transmission stop.
+ * @param context Pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ */
+void subghz_protocol_encoder_holtek_th12x_stop(void* context);
+
+/**
+ * Getting the level and duration of the upload to be loaded into DMA.
+ * @param context Pointer to a SubGhzProtocolEncoderHoltek_HT12X instance
+ * @return LevelDuration 
+ */
+LevelDuration subghz_protocol_encoder_holtek_th12x_yield(void* context);
+
+/**
+ * Allocate SubGhzProtocolDecoderHoltek_HT12X.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolDecoderHoltek_HT12X* pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ */
+void* subghz_protocol_decoder_holtek_th12x_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolDecoderHoltek_HT12X.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ */
+void subghz_protocol_decoder_holtek_th12x_free(void* context);
+
+/**
+ * Reset decoder SubGhzProtocolDecoderHoltek_HT12X.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ */
+void subghz_protocol_decoder_holtek_th12x_reset(void* context);
+
+/**
+ * Parse a raw sequence of levels and durations received from the air.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ * @param level Signal level true-high false-low
+ * @param duration Duration of this level in, us
+ */
+void subghz_protocol_decoder_holtek_th12x_feed(void* context, bool level, uint32_t duration);
+
+/**
+ * Getting the hash sum of the last randomly received parcel.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ * @return hash Hash sum
+ */
+uint8_t subghz_protocol_decoder_holtek_th12x_get_hash_data(void* context);
+
+/**
+ * Serialize data SubGhzProtocolDecoderHoltek_HT12X.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @param preset The modulation on which the signal was received, SubGhzRadioPreset
+ * @return true On success
+ */
+bool subghz_protocol_decoder_holtek_th12x_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset);
+
+/**
+ * Deserialize data SubGhzProtocolDecoderHoltek_HT12X.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return true On success
+ */
+bool subghz_protocol_decoder_holtek_th12x_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Getting a textual representation of the received data.
+ * @param context Pointer to a SubGhzProtocolDecoderHoltek_HT12X instance
+ * @param output Resulting text
+ */
+void subghz_protocol_decoder_holtek_th12x_get_string(void* context, FuriString* output);

lib/subghz/protocols/protocol_items.c

@@ -13,6 +13,7 @@ const SubGhzProtocol* subghz_protocol_registry_items[] = {
     &subghz_protocol_bett,          &subghz_protocol_doitrand,    &subghz_protocol_phoenix_v2,
     &subghz_protocol_honeywell_wdb, &subghz_protocol_magellan,    &subghz_protocol_intertechno_v3,
     &subghz_protocol_clemsa,        &subghz_protocol_ansonic,     &subghz_protocol_smc5326,
+    &subghz_protocol_holtek_th12x,
 };
 
 const SubGhzProtocolRegistry subghz_protocol_registry = {

lib/subghz/protocols/protocol_items.h

@@ -37,5 +37,6 @@
 #include "clemsa.h"
 #include "ansonic.h"
 #include "smc5326.h"
+#include "holtek_ht12x.h"
 
 extern const SubGhzProtocolRegistry subghz_protocol_registry;