add revers rb2 subghz protocol

lib/subghz/protocols/marantec24.c

@@ -214,6 +214,9 @@ void subghz_protocol_decoder_marantec24_feed(void* context, bool level, volatile
     furi_assert(context);
     SubGhzProtocolDecoderMarantec24* instance = context;
 
+    // Marantec24 Decoder
+    // 2024 - @xMasterX (MMX)
+
     // Key samples
     // 101011000000010111001000 = AC05C8
     // 101011000000010111000100 = AC05C4

lib/subghz/protocols/protocol_items.c

@@ -51,6 +51,7 @@ const SubGhzProtocol* subghz_protocol_registry_items[] = {
     &subghz_protocol_marantec24,
     &subghz_protocol_hollarm,
     &subghz_protocol_hay21,
+    &subghz_protocol_revers_rb2,
 };
 
 const SubGhzProtocolRegistry subghz_protocol_registry = {

lib/subghz/protocols/protocol_items.h

@@ -52,3 +52,4 @@
 #include "marantec24.h"
 #include "hollarm.h"
 #include "hay21.h"
+#include "revers_rb2.h"

lib/subghz/protocols/revers_rb2.c

@@ -0,0 +1,408 @@
+#include "revers_rb2.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 "SubGhzProtocolRevers_RB2"
+
+static const SubGhzBlockConst subghz_protocol_revers_rb2_const = {
+    .te_short = 250,
+    .te_long = 500,
+    .te_delta = 160,
+    .min_count_bit_for_found = 64,
+};
+
+struct SubGhzProtocolDecoderRevers_RB2 {
+    SubGhzProtocolDecoderBase base;
+
+    SubGhzBlockDecoder decoder;
+    SubGhzBlockGeneric generic;
+    ManchesterState manchester_saved_state;
+    uint16_t header_count;
+};
+
+struct SubGhzProtocolEncoderRevers_RB2 {
+    SubGhzProtocolEncoderBase base;
+
+    SubGhzProtocolBlockEncoder encoder;
+    SubGhzBlockGeneric generic;
+};
+
+typedef enum {
+    Revers_RB2DecoderStepReset = 0,
+    Revers_RB2DecoderStepHeader,
+    Revers_RB2DecoderStepDecoderData,
+} Revers_RB2DecoderStep;
+
+const SubGhzProtocolDecoder subghz_protocol_revers_rb2_decoder = {
+    .alloc = subghz_protocol_decoder_revers_rb2_alloc,
+    .free = subghz_protocol_decoder_revers_rb2_free,
+
+    .feed = subghz_protocol_decoder_revers_rb2_feed,
+    .reset = subghz_protocol_decoder_revers_rb2_reset,
+
+    .get_hash_data = subghz_protocol_decoder_revers_rb2_get_hash_data,
+    .serialize = subghz_protocol_decoder_revers_rb2_serialize,
+    .deserialize = subghz_protocol_decoder_revers_rb2_deserialize,
+    .get_string = subghz_protocol_decoder_revers_rb2_get_string,
+};
+
+const SubGhzProtocolEncoder subghz_protocol_revers_rb2_encoder = {
+    .alloc = subghz_protocol_encoder_revers_rb2_alloc,
+    .free = subghz_protocol_encoder_revers_rb2_free,
+
+    .deserialize = subghz_protocol_encoder_revers_rb2_deserialize,
+    .stop = subghz_protocol_encoder_revers_rb2_stop,
+    .yield = subghz_protocol_encoder_revers_rb2_yield,
+};
+
+const SubGhzProtocol subghz_protocol_revers_rb2 = {
+    .name = SUBGHZ_PROTOCOL_REVERSRB2_NAME,
+    .type = SubGhzProtocolTypeStatic,
+    .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
+            SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
+
+    .decoder = &subghz_protocol_revers_rb2_decoder,
+    .encoder = &subghz_protocol_revers_rb2_encoder,
+};
+
+void* subghz_protocol_encoder_revers_rb2_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolEncoderRevers_RB2* instance = malloc(sizeof(SubGhzProtocolEncoderRevers_RB2));
+
+    instance->base.protocol = &subghz_protocol_revers_rb2;
+    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_revers_rb2_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolEncoderRevers_RB2* instance = context;
+    free(instance->encoder.upload);
+    free(instance);
+}
+
+static LevelDuration
+    subghz_protocol_encoder_revers_rb2_add_duration_to_upload(ManchesterEncoderResult result) {
+    LevelDuration data = {.duration = 0, .level = 0};
+    switch(result) {
+    case ManchesterEncoderResultShortLow:
+        data.duration = subghz_protocol_revers_rb2_const.te_short;
+        data.level = false;
+        break;
+    case ManchesterEncoderResultLongLow:
+        data.duration = subghz_protocol_revers_rb2_const.te_long;
+        data.level = false;
+        break;
+    case ManchesterEncoderResultLongHigh:
+        data.duration = subghz_protocol_revers_rb2_const.te_long;
+        data.level = true;
+        break;
+    case ManchesterEncoderResultShortHigh:
+        data.duration = subghz_protocol_revers_rb2_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 SubGhzProtocolEncoderRevers_RB2 instance
+ */
+static void
+    subghz_protocol_encoder_revers_rb2_get_upload(SubGhzProtocolEncoderRevers_RB2* instance) {
+    furi_assert(instance);
+    size_t index = 0;
+
+    ManchesterEncoderState enc_state;
+    manchester_encoder_reset(&enc_state);
+    ManchesterEncoderResult result;
+
+    for(uint8_t i = instance->generic.data_count_bit; i > 0; i--) {
+        if(!manchester_encoder_advance(
+               &enc_state, bit_read(instance->generic.data, i - 1), &result)) {
+            instance->encoder.upload[index++] =
+                subghz_protocol_encoder_revers_rb2_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_revers_rb2_add_duration_to_upload(result);
+    }
+    instance->encoder.upload[index] = subghz_protocol_encoder_revers_rb2_add_duration_to_upload(
+        manchester_encoder_finish(&enc_state));
+    if(level_duration_get_level(instance->encoder.upload[index])) {
+        index++;
+    }
+    instance->encoder.upload[index++] = level_duration_make(false, (uint32_t)320);
+    instance->encoder.size_upload = index;
+}
+
+/** 
+ * Analysis of received data
+ * @param instance Pointer to a SubGhzBlockGeneric* instance
+ */
+static void subghz_protocol_revers_rb2_remote_controller(SubGhzBlockGeneric* instance) {
+    // Revers RB2 / RB2M Decoder
+    // 02.2025 - @xMasterX (MMX)
+    instance->serial = (((instance->data << 16) >> 16) >> 10);
+}
+
+SubGhzProtocolStatus
+    subghz_protocol_encoder_revers_rb2_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolEncoderRevers_RB2* instance = context;
+    SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
+    do {
+        ret = subghz_block_generic_deserialize_check_count_bit(
+            &instance->generic,
+            flipper_format,
+            subghz_protocol_revers_rb2_const.min_count_bit_for_found);
+        if(ret != SubGhzProtocolStatusOk) {
+            break;
+        }
+        //optional parameter parameter
+        flipper_format_read_uint32(
+            flipper_format, "Repeat", (uint32_t*)&instance->encoder.repeat, 1);
+
+        subghz_protocol_revers_rb2_remote_controller(&instance->generic);
+        subghz_protocol_encoder_revers_rb2_get_upload(instance);
+        instance->encoder.is_running = true;
+    } while(false);
+
+    return ret;
+}
+
+void subghz_protocol_encoder_revers_rb2_stop(void* context) {
+    SubGhzProtocolEncoderRevers_RB2* instance = context;
+    instance->encoder.is_running = false;
+}
+
+LevelDuration subghz_protocol_encoder_revers_rb2_yield(void* context) {
+    SubGhzProtocolEncoderRevers_RB2* 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_revers_rb2_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolDecoderRevers_RB2* instance = malloc(sizeof(SubGhzProtocolDecoderRevers_RB2));
+    instance->base.protocol = &subghz_protocol_revers_rb2;
+    instance->generic.protocol_name = instance->base.protocol->name;
+    return instance;
+}
+
+void subghz_protocol_decoder_revers_rb2_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    free(instance);
+}
+
+void subghz_protocol_decoder_revers_rb2_reset(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    manchester_advance(
+        instance->manchester_saved_state,
+        ManchesterEventReset,
+        &instance->manchester_saved_state,
+        NULL);
+}
+
+void subghz_protocol_decoder_revers_rb2_addbit(void* context, bool data) {
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    instance->decoder.decode_data = (instance->decoder.decode_data << 1) | data;
+    instance->decoder.decode_count_bit++;
+
+    if(instance->decoder.decode_count_bit >= 65) {
+        instance->decoder.decode_data = 0;
+        instance->decoder.decode_count_bit = 0;
+        return;
+    }
+
+    if(instance->decoder.decode_count_bit <
+       subghz_protocol_revers_rb2_const.min_count_bit_for_found) {
+        return;
+    }
+
+    // Revers RB2 / RB2M Decoder
+    // 02.2025 - @xMasterX (MMX)
+
+    uint16_t preamble = (instance->decoder.decode_data >> 48) & 0xFF;
+    uint16_t stop_code = (instance->decoder.decode_data & 0x3FF);
+
+    if(preamble == 0xFF && stop_code == 0x200) {
+        //Found header and stop code
+        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;
+        manchester_advance(
+            instance->manchester_saved_state,
+            ManchesterEventReset,
+            &instance->manchester_saved_state,
+            NULL);
+    }
+}
+
+void subghz_protocol_decoder_revers_rb2_feed(void* context, bool level, volatile uint32_t duration) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    ManchesterEvent event = ManchesterEventReset;
+
+    switch(instance->decoder.parser_step) {
+    case Revers_RB2DecoderStepReset:
+        if((!level) &&
+           (DURATION_DIFF(duration, 600) < subghz_protocol_revers_rb2_const.te_delta)) {
+            instance->decoder.parser_step = Revers_RB2DecoderStepHeader;
+            instance->decoder.decode_data = 0;
+            instance->decoder.decode_count_bit = 0;
+            manchester_advance(
+                instance->manchester_saved_state,
+                ManchesterEventReset,
+                &instance->manchester_saved_state,
+                NULL);
+        }
+        break;
+    case Revers_RB2DecoderStepHeader:
+        if(!level) {
+            if(DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_short) <
+               subghz_protocol_revers_rb2_const.te_delta) {
+                if(instance->decoder.te_last == 1) {
+                    instance->header_count++;
+                }
+                instance->decoder.te_last = level;
+            } else {
+                instance->header_count = 0;
+                instance->decoder.te_last = 0;
+                instance->decoder.parser_step = Revers_RB2DecoderStepReset;
+            }
+        } else {
+            if(DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_short) <
+               subghz_protocol_revers_rb2_const.te_delta) {
+                if(instance->decoder.te_last == 0) {
+                    instance->header_count++;
+                }
+                instance->decoder.te_last = level;
+            } else {
+                instance->header_count = 0;
+                instance->decoder.te_last = 0;
+                instance->decoder.parser_step = Revers_RB2DecoderStepReset;
+            }
+        }
+
+        if(instance->header_count == 4) {
+            instance->header_count = 0;
+            instance->decoder.decode_data = 0xF;
+            instance->decoder.decode_count_bit = 4;
+            instance->decoder.parser_step = Revers_RB2DecoderStepDecoderData;
+        }
+        break;
+    case Revers_RB2DecoderStepDecoderData:
+        if(!level) {
+            if(DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_short) <
+               subghz_protocol_revers_rb2_const.te_delta) {
+                event = ManchesterEventShortLow;
+            } else if(
+                DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_long) <
+                subghz_protocol_revers_rb2_const.te_delta) {
+                event = ManchesterEventLongLow;
+            } else {
+                instance->decoder.parser_step = Revers_RB2DecoderStepReset;
+            }
+        } else {
+            if(DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_short) <
+               subghz_protocol_revers_rb2_const.te_delta) {
+                event = ManchesterEventShortHigh;
+            } else if(
+                DURATION_DIFF(duration, subghz_protocol_revers_rb2_const.te_long) <
+                subghz_protocol_revers_rb2_const.te_delta) {
+                event = ManchesterEventLongHigh;
+            } else {
+                instance->decoder.parser_step = Revers_RB2DecoderStepReset;
+            }
+        }
+        if(event != ManchesterEventReset) {
+            bool data;
+            bool data_ok = manchester_advance(
+                instance->manchester_saved_state, event, &instance->manchester_saved_state, &data);
+
+            if(data_ok) {
+                subghz_protocol_decoder_revers_rb2_addbit(instance, data);
+            }
+        }
+        break;
+    }
+}
+
+uint8_t subghz_protocol_decoder_revers_rb2_get_hash_data(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    return subghz_protocol_blocks_get_hash_data(
+        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
+}
+
+SubGhzProtocolStatus subghz_protocol_decoder_revers_rb2_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
+}
+
+SubGhzProtocolStatus
+    subghz_protocol_decoder_revers_rb2_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    return subghz_block_generic_deserialize_check_count_bit(
+        &instance->generic,
+        flipper_format,
+        subghz_protocol_revers_rb2_const.min_count_bit_for_found);
+}
+
+void subghz_protocol_decoder_revers_rb2_get_string(void* context, FuriString* output) {
+    furi_assert(context);
+    SubGhzProtocolDecoderRevers_RB2* instance = context;
+    subghz_protocol_revers_rb2_remote_controller(&instance->generic);
+
+    furi_string_cat_printf(
+        output,
+        "%s %db\r\n"
+        "Key:%lX%08lX\r\n"
+        "Sn:0x%08lX \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);
+}

lib/subghz/protocols/revers_rb2.h

@@ -0,0 +1,109 @@
+#pragma once
+
+#include "base.h"
+
+#define SUBGHZ_PROTOCOL_REVERSRB2_NAME "Revers_RB2"
+
+typedef struct SubGhzProtocolDecoderRevers_RB2 SubGhzProtocolDecoderRevers_RB2;
+typedef struct SubGhzProtocolEncoderRevers_RB2 SubGhzProtocolEncoderRevers_RB2;
+
+extern const SubGhzProtocolDecoder subghz_protocol_revers_rb2_decoder;
+extern const SubGhzProtocolEncoder subghz_protocol_revers_rb2_encoder;
+extern const SubGhzProtocol subghz_protocol_revers_rb2;
+
+/**
+ * Allocate SubGhzProtocolEncoderRevers_RB2.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolEncoderRevers_RB2* pointer to a SubGhzProtocolEncoderRevers_RB2 instance
+ */
+void* subghz_protocol_encoder_revers_rb2_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolEncoderRevers_RB2.
+ * @param context Pointer to a SubGhzProtocolEncoderRevers_RB2 instance
+ */
+void subghz_protocol_encoder_revers_rb2_free(void* context);
+
+/**
+ * Deserialize and generating an upload to send.
+ * @param context Pointer to a SubGhzProtocolEncoderRevers_RB2 instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return status
+ */
+SubGhzProtocolStatus
+    subghz_protocol_encoder_revers_rb2_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Forced transmission stop.
+ * @param context Pointer to a SubGhzProtocolEncoderRevers_RB2 instance
+ */
+void subghz_protocol_encoder_revers_rb2_stop(void* context);
+
+/**
+ * Getting the level and duration of the upload to be loaded into DMA.
+ * @param context Pointer to a SubGhzProtocolEncoderRevers_RB2 instance
+ * @return LevelDuration 
+ */
+LevelDuration subghz_protocol_encoder_revers_rb2_yield(void* context);
+
+/**
+ * Allocate SubGhzProtocolDecoderRevers_RB2.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolDecoderRevers_RB2* pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ */
+void* subghz_protocol_decoder_revers_rb2_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolDecoderRevers_RB2.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ */
+void subghz_protocol_decoder_revers_rb2_free(void* context);
+
+/**
+ * Reset decoder SubGhzProtocolDecoderRevers_RB2.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ */
+void subghz_protocol_decoder_revers_rb2_reset(void* context);
+
+/**
+ * Parse a raw sequence of levels and durations received from the air.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ * @param level Signal level true-high false-low
+ * @param duration Duration of this level in, us
+ */
+void subghz_protocol_decoder_revers_rb2_feed(void* context, bool level, uint32_t duration);
+
+/**
+ * Getting the hash sum of the last randomly received parcel.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ * @return hash Hash sum
+ */
+uint8_t subghz_protocol_decoder_revers_rb2_get_hash_data(void* context);
+
+/**
+ * Serialize data SubGhzProtocolDecoderRevers_RB2.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @param preset The modulation on which the signal was received, SubGhzRadioPreset
+ * @return status
+ */
+SubGhzProtocolStatus subghz_protocol_decoder_revers_rb2_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset);
+
+/**
+ * Deserialize data SubGhzProtocolDecoderRevers_RB2.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return status
+ */
+SubGhzProtocolStatus
+    subghz_protocol_decoder_revers_rb2_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Getting a textual representation of the received data.
+ * @param context Pointer to a SubGhzProtocolDecoderRevers_RB2 instance
+ * @param output Resulting text
+ */
+void subghz_protocol_decoder_revers_rb2_get_string(void* context, FuriString* output);