Merge remote-tracking branch 'ul/dev' into mntm-dev

lib/nfc/protocols/mf_ultralight/mf_ultralight.h

@@ -38,6 +38,7 @@ extern "C" {
 #define MF_ULTRALIGHT_TEARING_FLAG_NUM   (3)
 #define MF_ULTRALIGHT_AUTH_PASSWORD_SIZE (4)
 #define MF_ULTRALIGHT_AUTH_PACK_SIZE     (2)
+#define MF_ULTRALIGHT_DEFAULT_PASSWORD   (0xffffffffUL)
 
 #define MF_ULTRALIGHT_C_AUTH_RESPONSE_SIZE      (9)
 #define MF_ULTRALIGHT_C_AUTH_DES_KEY_SIZE       (16)
@@ -47,6 +48,11 @@ extern "C" {
 #define MF_ULTRALIGHT_C_AUTH_RND_A_BLOCK_OFFSET (0)
 #define MF_ULTRALIGHT_C_AUTH_RND_B_BLOCK_OFFSET (8)
 #define MF_ULTRALIGHT_C_ENCRYPTED_PACK_SIZE     (MF_ULTRALIGHT_C_AUTH_DATA_SIZE + 1)
+#define MF_ULTRALIGHT_C_DEFAULT_KEY                                                               \
+    (uint8_t[]) {                                                                                 \
+        0x49, 0x45, 0x4D, 0x4B, 0x41, 0x45, 0x52, 0x42, 0x21, 0x4E, 0x41, 0x43, 0x55, 0x4F, 0x59, \
+            0x46                                                                                  \
+    }
 
 typedef enum {
     MfUltralightErrorNone,

lib/nfc/protocols/mf_ultralight/mf_ultralight_poller_i.h

@@ -11,8 +11,6 @@ extern "C" {
 #define MF_ULTRALIGHT_POLLER_STANDARD_FWT_FC (60000)
 #define MF_ULTRALIGHT_MAX_BUFF_SIZE          (64)
 
-#define MF_ULTRALIGHT_DEFAULT_PASSWORD (0xffffffffUL)
-
 #define MF_ULTRALIGHT_IS_NTAG_I2C(type)                                                \
     (((type) == MfUltralightTypeNTAGI2C1K) || ((type) == MfUltralightTypeNTAGI2C2K) || \
      ((type) == MfUltralightTypeNTAGI2CPlus1K) || ((type) == MfUltralightTypeNTAGI2CPlus2K))

lib/subghz/protocols/alutech_at_4n.c

@@ -281,7 +281,7 @@ static bool subghz_protocol_alutech_at_4n_gen_data(
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
     crc = subghz_protocol_alutech_at_4n_decrypt_data_crc((uint8_t)(instance->generic.cnt & 0xFF));

lib/subghz/protocols/came_atomo.c

@@ -193,7 +193,7 @@ static void subghz_protocol_encoder_came_atomo_get_upload(
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
 

lib/subghz/protocols/faac_slh.c

@@ -142,9 +142,40 @@ static bool subghz_protocol_faac_slh_gen_data(SubGhzProtocolEncoderFaacSLH* inst
         data_prg[0] = 0x00;
 
         if(allow_zero_seed || (instance->generic.seed != 0x0)) {
-            instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
+            if(!(furi_hal_subghz_get_rolling_counter_mult() >= 0xFFFF)) {
+                if(instance->generic.cnt < 0xFFFFF) {
+                    if((instance->generic.cnt + furi_hal_subghz_get_rolling_counter_mult()) >
+                       0xFFFFF) {
+                        instance->generic.cnt = 0;
+                    } else {
+                        instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
+                    }
+                } else if(
+                    (instance->generic.cnt >= 0xFFFFF) &&
+                    (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
+                    instance->generic.cnt = 0;
+                }
+            } else {
+                instance->generic.cnt += 1;
+            }
+
             if(temp_counter_backup != 0x0) {
-                temp_counter_backup += furi_hal_subghz_get_rolling_counter_mult();
+                if(!(furi_hal_subghz_get_rolling_counter_mult() >= 0xFFFF)) {
+                    if(temp_counter_backup < 0xFFFFF) {
+                        if((temp_counter_backup + furi_hal_subghz_get_rolling_counter_mult()) >
+                           0xFFFFF) {
+                            temp_counter_backup = 0;
+                        } else {
+                            temp_counter_backup += furi_hal_subghz_get_rolling_counter_mult();
+                        }
+                    } else if(
+                        (temp_counter_backup >= 0xFFFFF) &&
+                        (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
+                        temp_counter_backup = 0;
+                    }
+                } else {
+                    temp_counter_backup += 1;
+                }
             }
         }
 
@@ -195,7 +226,9 @@ static bool subghz_protocol_faac_slh_gen_data(SubGhzProtocolEncoderFaacSLH* inst
        (temp_fix_backup != 0x0) && !faac_prog_mode) {
         instance->generic.serial = temp_fix_backup >> 4;
         instance->generic.btn = temp_fix_backup & 0xF;
-        instance->generic.cnt = temp_counter_backup;
+        if(temp_counter_backup != 0x0) {
+            instance->generic.cnt = temp_counter_backup;
+        }
     }
     uint32_t fix = instance->generic.serial << 4 | instance->generic.btn;
     uint32_t hop = 0;
@@ -209,7 +242,32 @@ static bool subghz_protocol_faac_slh_gen_data(SubGhzProtocolEncoderFaacSLH* inst
     }
 
     if(allow_zero_seed || (instance->generic.seed != 0x0)) {
-        instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
+        if(!(furi_hal_subghz_get_rolling_counter_mult() >= 0xFFFF)) {
+            if(instance->generic.cnt < 0xFFFFF) {
+                if((instance->generic.cnt + furi_hal_subghz_get_rolling_counter_mult()) >
+                   0xFFFFF) {
+                    instance->generic.cnt = 0;
+                } else {
+                    instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
+                }
+            } else if(
+                (instance->generic.cnt >= 0xFFFFF) &&
+                (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
+                instance->generic.cnt = 0;
+            }
+        } else {
+            if(instance->generic.cnt < 0xFFFFF) {
+                if((instance->generic.cnt + 0xFFFFF) > 0xFFFFF) {
+                    instance->generic.cnt = 0;
+                } else {
+                    instance->generic.cnt += 0xFFFFF;
+                }
+            } else if(
+                (instance->generic.cnt >= 0xFFFFF) &&
+                (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
+                instance->generic.cnt = 0;
+            }
+        }
     }
 
     if((instance->generic.cnt % 2) == 0) {
@@ -250,7 +308,7 @@ bool subghz_protocol_faac_slh_create_data(
     const char* manufacture_name,
     SubGhzRadioPreset* preset) {
     furi_assert(context);
-    // roguemaster don't steal!!!
+    // OwO
     SubGhzProtocolEncoderFaacSLH* instance = context;
     instance->generic.serial = serial;
     instance->generic.btn = btn;

lib/subghz/protocols/feron.c

@@ -0,0 +1,352 @@
+#include "feron.h"
+#include "../blocks/const.h"
+#include "../blocks/decoder.h"
+#include "../blocks/encoder.h"
+#include "../blocks/generic.h"
+#include "../blocks/math.h"
+
+#define TAG "SubGhzProtocolFeron"
+
+static const SubGhzBlockConst subghz_protocol_feron_const = {
+    .te_short = 350,
+    .te_long = 750,
+    .te_delta = 150,
+    .min_count_bit_for_found = 32,
+};
+
+struct SubGhzProtocolDecoderFeron {
+    SubGhzProtocolDecoderBase base;
+
+    SubGhzBlockDecoder decoder;
+    SubGhzBlockGeneric generic;
+};
+
+struct SubGhzProtocolEncoderFeron {
+    SubGhzProtocolEncoderBase base;
+
+    SubGhzProtocolBlockEncoder encoder;
+    SubGhzBlockGeneric generic;
+};
+
+typedef enum {
+    FeronDecoderStepReset = 0,
+    FeronDecoderStepSaveDuration,
+    FeronDecoderStepCheckDuration,
+} FeronDecoderStep;
+
+const SubGhzProtocolDecoder subghz_protocol_feron_decoder = {
+    .alloc = subghz_protocol_decoder_feron_alloc,
+    .free = subghz_protocol_decoder_feron_free,
+
+    .feed = subghz_protocol_decoder_feron_feed,
+    .reset = subghz_protocol_decoder_feron_reset,
+
+    .get_hash_data = NULL,
+    .get_hash_data_long = subghz_protocol_decoder_feron_get_hash_data,
+    .serialize = subghz_protocol_decoder_feron_serialize,
+    .deserialize = subghz_protocol_decoder_feron_deserialize,
+    .get_string = subghz_protocol_decoder_feron_get_string,
+    .get_string_brief = NULL,
+};
+
+const SubGhzProtocolEncoder subghz_protocol_feron_encoder = {
+    .alloc = subghz_protocol_encoder_feron_alloc,
+    .free = subghz_protocol_encoder_feron_free,
+
+    .deserialize = subghz_protocol_encoder_feron_deserialize,
+    .stop = subghz_protocol_encoder_feron_stop,
+    .yield = subghz_protocol_encoder_feron_yield,
+};
+
+const SubGhzProtocol subghz_protocol_feron = {
+    .name = SUBGHZ_PROTOCOL_FERON_NAME,
+    .type = SubGhzProtocolTypeStatic,
+    .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable |
+            SubGhzProtocolFlag_Load | SubGhzProtocolFlag_Save | SubGhzProtocolFlag_Send,
+
+    .decoder = &subghz_protocol_feron_decoder,
+    .encoder = &subghz_protocol_feron_encoder,
+};
+
+void* subghz_protocol_encoder_feron_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolEncoderFeron* instance = malloc(sizeof(SubGhzProtocolEncoderFeron));
+
+    instance->base.protocol = &subghz_protocol_feron;
+    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_feron_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolEncoderFeron* instance = context;
+    free(instance->encoder.upload);
+    free(instance);
+}
+
+/**
+ * Generating an upload from data.
+ * @param instance Pointer to a SubGhzProtocolEncoderFeron instance
+ */
+static void subghz_protocol_encoder_feron_get_upload(SubGhzProtocolEncoderFeron* instance) {
+    furi_assert(instance);
+    size_t index = 0;
+
+    // Send key and GAP
+    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(true, (uint32_t)subghz_protocol_feron_const.te_long);
+            if(i == 1) {
+                //Send 500/500 and gap if bit was last
+                instance->encoder.upload[index++] = level_duration_make(
+                    false, (uint32_t)subghz_protocol_feron_const.te_short + 150);
+                instance->encoder.upload[index++] = level_duration_make(
+                    true, (uint32_t)subghz_protocol_feron_const.te_short + 150);
+                // Gap
+                instance->encoder.upload[index++] =
+                    level_duration_make(false, (uint32_t)subghz_protocol_feron_const.te_long * 6);
+            } else {
+                instance->encoder.upload[index++] =
+                    level_duration_make(false, (uint32_t)subghz_protocol_feron_const.te_short);
+            }
+        } else {
+            // Send bit 0
+            instance->encoder.upload[index++] =
+                level_duration_make(true, (uint32_t)subghz_protocol_feron_const.te_short);
+            if(i == 1) {
+                //Send 500/500 and gap if bit was last
+                instance->encoder.upload[index++] = level_duration_make(
+                    false, (uint32_t)subghz_protocol_feron_const.te_short + 150);
+                instance->encoder.upload[index++] = level_duration_make(
+                    true, (uint32_t)subghz_protocol_feron_const.te_short + 150);
+                // Gap
+                instance->encoder.upload[index++] =
+                    level_duration_make(false, (uint32_t)subghz_protocol_feron_const.te_long * 6);
+            } else {
+                instance->encoder.upload[index++] =
+                    level_duration_make(false, (uint32_t)subghz_protocol_feron_const.te_long);
+            }
+        }
+    }
+
+    instance->encoder.size_upload = index;
+    return;
+}
+
+/** 
+ * Analysis of received data
+ * @param instance Pointer to a SubGhzBlockGeneric* instance
+ */
+static void subghz_protocol_feron_check_remote_controller(SubGhzBlockGeneric* instance) {
+    instance->serial = instance->data >> 16;
+}
+
+SubGhzProtocolStatus
+    subghz_protocol_encoder_feron_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolEncoderFeron* instance = context;
+    SubGhzProtocolStatus ret = SubGhzProtocolStatusError;
+    do {
+        ret = subghz_block_generic_deserialize_check_count_bit(
+            &instance->generic,
+            flipper_format,
+            subghz_protocol_feron_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_feron_check_remote_controller(&instance->generic);
+        subghz_protocol_encoder_feron_get_upload(instance);
+        instance->encoder.is_running = true;
+    } while(false);
+
+    return ret;
+}
+
+void subghz_protocol_encoder_feron_stop(void* context) {
+    SubGhzProtocolEncoderFeron* instance = context;
+    instance->encoder.is_running = false;
+}
+
+LevelDuration subghz_protocol_encoder_feron_yield(void* context) {
+    SubGhzProtocolEncoderFeron* 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_feron_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    SubGhzProtocolDecoderFeron* instance = malloc(sizeof(SubGhzProtocolDecoderFeron));
+    instance->base.protocol = &subghz_protocol_feron;
+    instance->generic.protocol_name = instance->base.protocol->name;
+    return instance;
+}
+
+void subghz_protocol_decoder_feron_free(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+    free(instance);
+}
+
+void subghz_protocol_decoder_feron_reset(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+    instance->decoder.parser_step = FeronDecoderStepReset;
+}
+
+void subghz_protocol_decoder_feron_feed(void* context, bool level, volatile uint32_t duration) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+
+    // Feron Decoder
+    // 2025.04 - @xMasterX (MMX)
+
+    // Key samples
+    /*
+    0110001100111000 1000010101111010 - ON
+    0110001100111000 1000010001111011 - OFF
+
+    0110001100111000 1000011001111001 - brightness up
+    0110001100111000 1000011101111000 - brightness down
+ 
+    0110001100111000 1000001001111101 - scroll mode command
+
+    ------------------------------------------
+    0110001100111000 0111000010001111 - R
+    0110001100111000 0001101011100101 - B
+    0110001100111000 0100000010111111 - G
+    */
+
+    switch(instance->decoder.parser_step) {
+    case FeronDecoderStepReset:
+        if((!level) && (DURATION_DIFF(duration, subghz_protocol_feron_const.te_long * 6) <
+                        subghz_protocol_feron_const.te_delta * 4)) {
+            //Found GAP
+            instance->decoder.decode_data = 0;
+            instance->decoder.decode_count_bit = 0;
+            instance->decoder.parser_step = FeronDecoderStepSaveDuration;
+        }
+        break;
+    case FeronDecoderStepSaveDuration:
+        if(level) {
+            instance->decoder.te_last = duration;
+            instance->decoder.parser_step = FeronDecoderStepCheckDuration;
+        } else {
+            instance->decoder.parser_step = FeronDecoderStepReset;
+        }
+        break;
+    case FeronDecoderStepCheckDuration:
+        if(!level) {
+            // Bit 0 is short and long timing = 350us HIGH (te_last) and 750us LOW
+            if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_feron_const.te_short) <
+                subghz_protocol_feron_const.te_delta) &&
+               (DURATION_DIFF(duration, subghz_protocol_feron_const.te_long) <
+                subghz_protocol_feron_const.te_delta)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 0);
+                instance->decoder.parser_step = FeronDecoderStepSaveDuration;
+                // Bit 1 is long and short timing = 750us HIGH (te_last) and 350us LOW
+            } else if(
+                (DURATION_DIFF(instance->decoder.te_last, subghz_protocol_feron_const.te_long) <
+                 subghz_protocol_feron_const.te_delta) &&
+                (DURATION_DIFF(duration, subghz_protocol_feron_const.te_short) <
+                 subghz_protocol_feron_const.te_delta)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 1);
+                instance->decoder.parser_step = FeronDecoderStepSaveDuration;
+            } else if(
+                // End of the key 500Low(we are here)/500High us
+                DURATION_DIFF(
+                    duration, (uint16_t)(subghz_protocol_feron_const.te_short + (uint16_t)150)) <
+                subghz_protocol_feron_const.te_delta) {
+                if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_feron_const.te_short) <
+                    subghz_protocol_feron_const.te_delta)) {
+                    subghz_protocol_blocks_add_bit(&instance->decoder, 0);
+                }
+                if((DURATION_DIFF(instance->decoder.te_last, subghz_protocol_feron_const.te_long) <
+                    subghz_protocol_feron_const.te_delta)) {
+                    subghz_protocol_blocks_add_bit(&instance->decoder, 1);
+                }
+                // If got 32 bits key reading is finished
+                if(instance->decoder.decode_count_bit ==
+                   subghz_protocol_feron_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 = 0;
+                instance->decoder.decode_count_bit = 0;
+                instance->decoder.parser_step = FeronDecoderStepReset;
+            } else {
+                instance->decoder.parser_step = FeronDecoderStepReset;
+            }
+        } else {
+            instance->decoder.parser_step = FeronDecoderStepReset;
+        }
+        break;
+    }
+}
+
+uint32_t subghz_protocol_decoder_feron_get_hash_data(void* context) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+    return subghz_protocol_blocks_get_hash_data_long(
+        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
+}
+
+SubGhzProtocolStatus subghz_protocol_decoder_feron_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+    return subghz_block_generic_serialize(&instance->generic, flipper_format, preset);
+}
+
+SubGhzProtocolStatus
+    subghz_protocol_decoder_feron_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+    return subghz_block_generic_deserialize_check_count_bit(
+        &instance->generic, flipper_format, subghz_protocol_feron_const.min_count_bit_for_found);
+}
+
+void subghz_protocol_decoder_feron_get_string(void* context, FuriString* output) {
+    furi_assert(context);
+    SubGhzProtocolDecoderFeron* instance = context;
+
+    subghz_protocol_feron_check_remote_controller(&instance->generic);
+
+    furi_string_cat_printf(
+        output,
+        "%s %db\r\n"
+        "Key: 0x%08lX\r\n"
+        "Serial: 0x%04lX\r\n"
+        "Command: 0x%04lX\r\n",
+        instance->generic.protocol_name,
+        instance->generic.data_count_bit,
+        (uint32_t)(instance->generic.data & 0xFFFFFFFF),
+        instance->generic.serial,
+        (uint32_t)(instance->generic.data & 0xFFFF));
+}

lib/subghz/protocols/feron.h

@@ -0,0 +1,109 @@
+#pragma once
+
+#include "base.h"
+
+#define SUBGHZ_PROTOCOL_FERON_NAME "Feron"
+
+typedef struct SubGhzProtocolDecoderFeron SubGhzProtocolDecoderFeron;
+typedef struct SubGhzProtocolEncoderFeron SubGhzProtocolEncoderFeron;
+
+extern const SubGhzProtocolDecoder subghz_protocol_feron_decoder;
+extern const SubGhzProtocolEncoder subghz_protocol_feron_encoder;
+extern const SubGhzProtocol subghz_protocol_feron;
+
+/**
+ * Allocate SubGhzProtocolEncoderFeron.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolEncoderFeron* pointer to a SubGhzProtocolEncoderFeron instance
+ */
+void* subghz_protocol_encoder_feron_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolEncoderFeron.
+ * @param context Pointer to a SubGhzProtocolEncoderFeron instance
+ */
+void subghz_protocol_encoder_feron_free(void* context);
+
+/**
+ * Deserialize and generating an upload to send.
+ * @param context Pointer to a SubGhzProtocolEncoderFeron instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return status
+ */
+SubGhzProtocolStatus
+    subghz_protocol_encoder_feron_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Forced transmission stop.
+ * @param context Pointer to a SubGhzProtocolEncoderFeron instance
+ */
+void subghz_protocol_encoder_feron_stop(void* context);
+
+/**
+ * Getting the level and duration of the upload to be loaded into DMA.
+ * @param context Pointer to a SubGhzProtocolEncoderFeron instance
+ * @return LevelDuration 
+ */
+LevelDuration subghz_protocol_encoder_feron_yield(void* context);
+
+/**
+ * Allocate SubGhzProtocolDecoderFeron.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return SubGhzProtocolDecoderFeron* pointer to a SubGhzProtocolDecoderFeron instance
+ */
+void* subghz_protocol_decoder_feron_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free SubGhzProtocolDecoderFeron.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ */
+void subghz_protocol_decoder_feron_free(void* context);
+
+/**
+ * Reset decoder SubGhzProtocolDecoderFeron.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ */
+void subghz_protocol_decoder_feron_reset(void* context);
+
+/**
+ * Parse a raw sequence of levels and durations received from the air.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ * @param level Signal level true-high false-low
+ * @param duration Duration of this level in, us
+ */
+void subghz_protocol_decoder_feron_feed(void* context, bool level, uint32_t duration);
+
+/**
+ * Getting the hash sum of the last randomly received parcel.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ * @return hash Hash sum
+ */
+uint32_t subghz_protocol_decoder_feron_get_hash_data(void* context);
+
+/**
+ * Serialize data SubGhzProtocolDecoderFeron.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron 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_feron_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset);
+
+/**
+ * Deserialize data SubGhzProtocolDecoderFeron.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return status
+ */
+SubGhzProtocolStatus
+    subghz_protocol_decoder_feron_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Getting a textual representation of the received data.
+ * @param context Pointer to a SubGhzProtocolDecoderFeron instance
+ * @param output Resulting text
+ */
+void subghz_protocol_decoder_feron_get_string(void* context, FuriString* output);

lib/subghz/protocols/hay21.c

@@ -153,6 +153,9 @@ static void subghz_protocol_encoder_hay21_get_upload(SubGhzProtocolEncoderHay21*
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
+        if(furi_hal_subghz_get_rolling_counter_mult() >= 0xF) {
+            instance->generic.cnt = 0xF;
+        }
     } else if(instance->generic.cnt >= 0xF) {
         instance->generic.cnt = 0;
     }

lib/subghz/protocols/keeloq.c

@@ -192,7 +192,9 @@ static bool subghz_protocol_keeloq_gen_data(
             } else {
                 instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
             }
-        } else if(instance->generic.cnt >= 0xFFFF) {
+        } else if(
+            (instance->generic.cnt >= 0xFFFF) &&
+            (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
             instance->generic.cnt = 0;
         }
     }

lib/subghz/protocols/kinggates_stylo_4k.c

@@ -163,7 +163,7 @@ static bool subghz_protocol_kinggates_stylo_4k_gen_data(
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
 

lib/subghz/protocols/nice_flor_s.c

@@ -161,7 +161,7 @@ static void subghz_protocol_encoder_nice_flor_s_get_upload(
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
     uint64_t decrypt = ((uint64_t)instance->generic.serial << 16) | instance->generic.cnt;

lib/subghz/protocols/protocol_items.c

@@ -81,6 +81,7 @@ const SubGhzProtocol* const subghz_protocol_registry_items[] = {
     &subghz_protocol_hollarm,
     &subghz_protocol_hay21,
     &subghz_protocol_revers_rb2,
+    &subghz_protocol_feron,
 };
 
 const SubGhzProtocolRegistry subghz_protocol_registry = {

lib/subghz/protocols/protocol_items.h

@@ -82,3 +82,4 @@
 #include "hollarm.h"
 #include "hay21.h"
 #include "revers_rb2.h"
+#include "feron.h"

lib/subghz/protocols/somfy_keytis.c

@@ -138,7 +138,7 @@ static bool
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
 

lib/subghz/protocols/somfy_telis.c

@@ -132,7 +132,7 @@ static bool subghz_protocol_somfy_telis_gen_data(
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
 

lib/subghz/protocols/star_line.c

@@ -138,7 +138,7 @@ static bool
         } else {
             instance->generic.cnt += furi_hal_subghz_get_rolling_counter_mult();
         }
-    } else if(instance->generic.cnt >= 0xFFFF) {
+    } else if((instance->generic.cnt >= 0xFFFF) && (furi_hal_subghz_get_rolling_counter_mult() != 0)) {
         instance->generic.cnt = 0;
     }
     uint32_t fix = btn << 24 | instance->generic.serial;

lib/subghz/subghz_setting.c

@@ -282,6 +282,7 @@ void subghz_setting_load(SubGhzSetting* instance, const char* file_path) {
                 FURI_LOG_E(TAG, "Rewind error");
                 break;
             }
+            furi_string_reset(temp_str);
             while(flipper_format_read_string(fff_data_file, "Custom_preset_name", temp_str)) {
                 FURI_LOG_I(TAG, "Custom preset loaded %s", furi_string_get_cstr(temp_str));
                 subghz_setting_load_custom_preset(