[FL-3949] Universal IR signal selection (#4085)

* feat: universal ir signal selection * fix: f18, format specifiers * update labels with suggestions from the ui team Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2025-12-12 04:41:26 +04:00 · 2025-02-20 03:58:55 +04:00
parent 93b0277938
commit 0f240c4dbc
17 changed files with 376 additions and 108 deletions
--- a/applications/main/infrared/infrared_brute_force.c
+++ b/applications/main/infrared/infrared_brute_force.c
@@ -2,26 +2,61 @@

 #include <stdlib.h>
 #include <m-dict.h>
+#include <m-array.h>
 #include <flipper_format/flipper_format.h>

 #include "infrared_signal.h"

+ARRAY_DEF(SignalPositionArray, size_t, M_DEFAULT_OPLIST);
+
 typedef struct {
-    uint32_t index;
-    uint32_t count;
+    size_t index;
+    SignalPositionArray_t signals;
 } InfraredBruteForceRecord;

+static inline void ir_bf_record_init(InfraredBruteForceRecord* record) {
+    record->index = 0;
+    SignalPositionArray_init(record->signals);
+}
+#define IR_BF_RECORD_INIT(r) (ir_bf_record_init(&(r)))
+
+static inline void
+    ir_bf_record_init_set(InfraredBruteForceRecord* dest, const InfraredBruteForceRecord* src) {
+    dest->index = src->index;
+    SignalPositionArray_init_set(dest->signals, src->signals);
+}
+#define IR_BF_RECORD_INIT_SET(d, s) (ir_bf_record_init_set(&(d), &(s)))
+
+static inline void
+    ir_bf_record_set(InfraredBruteForceRecord* dest, const InfraredBruteForceRecord* src) {
+    dest->index = src->index;
+    SignalPositionArray_set(dest->signals, src->signals);
+}
+#define IR_BF_RECORD_SET(d, s) (ir_bf_record_set(&(d), &(s)))
+
+static inline void ir_bf_record_clear(InfraredBruteForceRecord* record) {
+    SignalPositionArray_clear(record->signals);
+}
+#define IR_BF_RECORD_CLEAR(r) (ir_bf_record_clear(&(r)))
+
+#define IR_BF_RECORD_OPLIST           \
+    (INIT(IR_BF_RECORD_INIT),         \
+     INIT_SET(IR_BF_RECORD_INIT_SET), \
+     SET(IR_BF_RECORD_SET),           \
+     CLEAR(IR_BF_RECORD_CLEAR))
+
 DICT_DEF2(
    InfraredBruteForceRecordDict,
    FuriString*,
    FURI_STRING_OPLIST,
    InfraredBruteForceRecord,
-    M_POD_OPLIST);
+    IR_BF_RECORD_OPLIST);

 struct InfraredBruteForce {
    FlipperFormat* ff;
    const char* db_filename;
    FuriString* current_record_name;
+    InfraredBruteForceRecord current_record;
    InfraredSignal* current_signal;
    InfraredBruteForceRecordDict_t records;
    bool is_started;
@@ -39,6 +74,7 @@ InfraredBruteForce* infrared_brute_force_alloc(void) {
 }

 void infrared_brute_force_free(InfraredBruteForce* brute_force) {
+    furi_check(brute_force);
    furi_assert(!brute_force->is_started);
    InfraredBruteForceRecordDict_clear(brute_force->records);
    furi_string_free(brute_force->current_record_name);
@@ -46,11 +82,13 @@ void infrared_brute_force_free(InfraredBruteForce* brute_force) {
 }

 void infrared_brute_force_set_db_filename(InfraredBruteForce* brute_force, const char* db_filename) {
+    furi_check(brute_force);
    furi_assert(!brute_force->is_started);
    brute_force->db_filename = db_filename;
 }

 InfraredErrorCode infrared_brute_force_calculate_messages(InfraredBruteForce* brute_force) {
+    furi_check(brute_force);
    furi_assert(!brute_force->is_started);
    furi_assert(brute_force->db_filename);
    InfraredErrorCode error = InfraredErrorCodeNone;
@@ -66,19 +104,19 @@ InfraredErrorCode infrared_brute_force_calculate_messages(InfraredBruteForce* br
            break;
        }

-        bool signals_valid = false;
+        size_t signal_start = flipper_format_tell(ff);
+        bool signal_valid = false;
        while(infrared_signal_read_name(ff, signal_name) == InfraredErrorCodeNone) {
            error = infrared_signal_read_body(signal, ff);
-            signals_valid = (!INFRARED_ERROR_PRESENT(error)) && infrared_signal_is_valid(signal);
-            if(!signals_valid) break;
+            signal_valid = (!INFRARED_ERROR_PRESENT(error)) && infrared_signal_is_valid(signal);
+            if(!signal_valid) break;

            InfraredBruteForceRecord* record =
                InfraredBruteForceRecordDict_get(brute_force->records, signal_name);
-            if(record) { //-V547
-                ++(record->count);
-            }
+            furi_assert(record);
+            SignalPositionArray_push_back(record->signals, signal_start);
        }
-        if(!signals_valid) break;
+        if(!signal_valid) break;
    } while(false);

    infrared_signal_free(signal);
@@ -93,6 +131,7 @@ bool infrared_brute_force_start(
    InfraredBruteForce* brute_force,
    uint32_t index,
    uint32_t* record_count) {
+    furi_check(brute_force);
    furi_assert(!brute_force->is_started);
    bool success = false;
    *record_count = 0;
@@ -103,9 +142,10 @@ bool infrared_brute_force_start(
        InfraredBruteForceRecordDict_next(it)) {
        const InfraredBruteForceRecordDict_itref_t* record = InfraredBruteForceRecordDict_cref(it);
        if(record->value.index == index) {
-            *record_count = record->value.count;
+            *record_count = SignalPositionArray_size(record->value.signals);
            if(*record_count) {
                furi_string_set(brute_force->current_record_name, record->key);
+                brute_force->current_record = record->value;
            }
            break;
        }
@@ -124,10 +164,12 @@ bool infrared_brute_force_start(
 }

 bool infrared_brute_force_is_started(const InfraredBruteForce* brute_force) {
+    furi_check(brute_force);
    return brute_force->is_started;
 }

 void infrared_brute_force_stop(InfraredBruteForce* brute_force) {
+    furi_check(brute_force);
    furi_assert(brute_force->is_started);
    furi_string_reset(brute_force->current_record_name);
    infrared_signal_free(brute_force->current_signal);
@@ -138,25 +180,32 @@ void infrared_brute_force_stop(InfraredBruteForce* brute_force) {
    furi_record_close(RECORD_STORAGE);
 }

-bool infrared_brute_force_send_next(InfraredBruteForce* brute_force) {
+bool infrared_brute_force_send(InfraredBruteForce* brute_force, uint32_t signal_index) {
+    furi_check(brute_force);
    furi_assert(brute_force->is_started);

-    const bool success = infrared_signal_search_by_name_and_read(
-                             brute_force->current_signal,
-                             brute_force->ff,
-                             furi_string_get_cstr(brute_force->current_record_name)) ==
-                         InfraredErrorCodeNone;
-    if(success) {
-        infrared_signal_transmit(brute_force->current_signal);
-    }
-    return success;
+    if(signal_index >= SignalPositionArray_size(brute_force->current_record.signals)) return false;
+
+    size_t signal_start =
+        *SignalPositionArray_cget(brute_force->current_record.signals, signal_index);
+    if(!flipper_format_seek(brute_force->ff, signal_start, FlipperFormatOffsetFromStart))
+        return false;
+
+    if(INFRARED_ERROR_PRESENT(
+           infrared_signal_read_body(brute_force->current_signal, brute_force->ff)))
+        return false;
+
+    infrared_signal_transmit(brute_force->current_signal);
+    return true;
 }

 void infrared_brute_force_add_record(
    InfraredBruteForce* brute_force,
    uint32_t index,
    const char* name) {
-    InfraredBruteForceRecord value = {.index = index, .count = 0};
+    InfraredBruteForceRecord value;
+    ir_bf_record_init(&value);
+    value.index = index;
    FuriString* key;
    key = furi_string_alloc_set(name);
    InfraredBruteForceRecordDict_set_at(brute_force->records, key, value);
--- a/applications/main/infrared/infrared_brute_force.h
+++ b/applications/main/infrared/infrared_brute_force.h
@@ -78,18 +78,16 @@ bool infrared_brute_force_is_started(const InfraredBruteForce* brute_force);
 void infrared_brute_force_stop(InfraredBruteForce* brute_force);

 /**
- * @brief Send the next signal from the chosen category.
- *
- * This function is called repeatedly until no more signals are left
- * in the chosen signal category.
- *
- * @warning Transmission must be started first by calling infrared_brute_force_start()
- * before calling this function.
- *
- * @param[in,out] brute_force pointer to the instance to be used.
- * @returns true if the next signal existed and could be transmitted, false otherwise.
+ * @brief Send an arbitrary signal from the chosen category.
+ * 
+ * @param[in] brute_force pointer to the instance
+ * @param signal_index the index of the signal within the category, must be
+ *                     between 0 and `record_count` as told by
+ *                     `infrared_brute_force_start`
+ * 
+ * @returns true on success, false otherwise
 */
-bool infrared_brute_force_send_next(InfraredBruteForce* brute_force);
+bool infrared_brute_force_send(InfraredBruteForce* brute_force, uint32_t signal_index);

 /**
 * @brief Add a signal category to an InfraredBruteForce instance's dictionary.
--- a/applications/main/infrared/infrared_cli.c
+++ b/applications/main/infrared/infrared_cli.c
@@ -475,25 +475,24 @@ static void
            break;
        }

-        uint32_t record_count;
+        uint32_t signal_count, current_signal = 0;
        bool running = infrared_brute_force_start(
-            brute_force, INFRARED_BRUTE_FORCE_DUMMY_INDEX, &record_count);
+            brute_force, INFRARED_BRUTE_FORCE_DUMMY_INDEX, &signal_count);

-        if(record_count <= 0) {
+        if(signal_count <= 0) {
            printf("Invalid signal name.\r\n");
            break;
        }

-        printf("Sending %lu signal(s)...\r\n", record_count);
+        printf("Sending %lu signal(s)...\r\n", signal_count);
        printf("Press Ctrl-C to stop.\r\n");

-        int records_sent = 0;
        while(running) {
-            running = infrared_brute_force_send_next(brute_force);
+            running = infrared_brute_force_send(brute_force, current_signal);

            if(cli_cmd_interrupt_received(cli)) break;

-            printf("\r%d%% complete.", (int)((float)records_sent++ / (float)record_count * 100));
+            printf("\r%d%% complete.", (int)((float)current_signal++ / (float)signal_count * 100));
            fflush(stdout);
        }

--- a/applications/main/infrared/infrared_custom_event.h
+++ b/applications/main/infrared/infrared_custom_event.h
@@ -3,7 +3,7 @@
 #include <stdint.h>
 #include <stddef.h>

-enum InfraredCustomEventType {
+typedef enum {
    // Reserve first 100 events for button types and indexes, starting from 0
    InfraredCustomEventTypeReserved = 100,
    InfraredCustomEventTypeMenuSelected,
@@ -13,7 +13,7 @@ enum InfraredCustomEventType {
    InfraredCustomEventTypeTextEditDone,
    InfraredCustomEventTypePopupClosed,
    InfraredCustomEventTypeButtonSelected,
-    InfraredCustomEventTypeBackPressed,
+    InfraredCustomEventTypePopupInput,
    InfraredCustomEventTypeTaskFinished,

    InfraredCustomEventTypeRpcLoadFile,
@@ -27,7 +27,7 @@ enum InfraredCustomEventType {

    InfraredCustomEventTypeGpioTxPinChanged,
    InfraredCustomEventTypeGpioOtgChanged,
-};
+} InfraredCustomEventType;

 #pragma pack(push, 1)
 typedef union {
--- a/applications/main/infrared/scenes/common/infrared_scene_universal_common.c
+++ b/applications/main/infrared/scenes/common/infrared_scene_universal_common.c
@@ -2,15 +2,28 @@

 #include <dolphin/dolphin.h>

+#pragma pack(push, 1)
+typedef union {
+    uint32_t packed_value;
+    struct {
+        bool is_paused;
+        uint8_t padding;
+        uint16_t signal_index;
+    };
+} InfraredSceneState;
+#pragma pack(pop)
+
 void infrared_scene_universal_common_item_callback(void* context, uint32_t index) {
    InfraredApp* infrared = context;
    uint32_t event = infrared_custom_event_pack(InfraredCustomEventTypeButtonSelected, index);
    view_dispatcher_send_custom_event(infrared->view_dispatcher, event);
 }

-static void infrared_scene_universal_common_progress_back_callback(void* context) {
+static void infrared_scene_universal_common_progress_input_callback(
+    void* context,
+    InfraredProgressViewInput input) {
    InfraredApp* infrared = context;
-    uint32_t event = infrared_custom_event_pack(InfraredCustomEventTypeBackPressed, -1);
+    uint32_t event = infrared_custom_event_pack(InfraredCustomEventTypePopupInput, input);
    view_dispatcher_send_custom_event(infrared->view_dispatcher, event);
 }

@@ -19,8 +32,8 @@ static void
    ViewStack* view_stack = infrared->view_stack;
    InfraredProgressView* progress = infrared->progress;
    infrared_progress_view_set_progress_total(progress, record_count);
-    infrared_progress_view_set_back_callback(
-        progress, infrared_scene_universal_common_progress_back_callback, infrared);
+    infrared_progress_view_set_input_callback(
+        progress, infrared_scene_universal_common_progress_input_callback, infrared);
    view_stack_add_view(view_stack, infrared_progress_view_get_view(progress));
    infrared_play_notification_message(infrared, InfraredNotificationMessageBlinkStartSend);
 }
@@ -51,29 +64,111 @@ void infrared_scene_universal_common_on_enter(void* context) {
    infrared_blocking_task_start(infrared, infrared_scene_universal_common_task_callback);
 }

+static void infrared_scene_universal_common_handle_popup_input(
+    InfraredApp* infrared,
+    InfraredProgressViewInput input) {
+    InfraredBruteForce* brute_force = infrared->brute_force;
+    SceneManager* scene_manager = infrared->scene_manager;
+    uint32_t scene_id = scene_manager_get_current_scene(infrared->scene_manager);
+    switch(input) {
+    case InfraredProgressViewInputStop: {
+        infrared_brute_force_stop(brute_force);
+        infrared_scene_universal_common_hide_popup(infrared);
+        break;
+    }
+
+    case InfraredProgressViewInputPause: {
+        infrared_play_notification_message(infrared, InfraredNotificationMessageBlinkStop);
+        infrared_progress_view_set_paused(infrared->progress, true);
+        InfraredSceneState scene_state = {
+            .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+        scene_state.is_paused = true;
+        if(scene_state.signal_index)
+            scene_state.signal_index--; // when running, the state stores the next index
+        scene_manager_set_scene_state(scene_manager, scene_id, scene_state.packed_value);
+        break;
+    }
+
+    case InfraredProgressViewInputResume: {
+        infrared_play_notification_message(infrared, InfraredNotificationMessageBlinkStartSend);
+        infrared_progress_view_set_paused(infrared->progress, false);
+        InfraredSceneState scene_state = {
+            .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+        scene_state.is_paused = false;
+        scene_manager_set_scene_state(scene_manager, scene_id, scene_state.packed_value);
+        break;
+    }
+
+    case InfraredProgressViewInputNextSignal: {
+        InfraredSceneState scene_state = {
+            .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+        scene_state.signal_index++;
+        if(infrared_progress_view_set_progress(infrared->progress, scene_state.signal_index + 1))
+            scene_manager_set_scene_state(scene_manager, scene_id, scene_state.packed_value);
+        break;
+    }
+
+    case InfraredProgressViewInputPreviousSignal: {
+        InfraredSceneState scene_state = {
+            .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+        if(scene_state.signal_index) {
+            scene_state.signal_index--;
+            if(infrared_progress_view_set_progress(
+                   infrared->progress, scene_state.signal_index + 1))
+                scene_manager_set_scene_state(scene_manager, scene_id, scene_state.packed_value);
+        }
+        break;
+    }
+
+    case InfraredProgressViewInputSendSingle: {
+        InfraredSceneState scene_state = {
+            .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+        infrared_play_notification_message(infrared, InfraredNotificationMessageBlinkStartSend);
+        infrared_brute_force_send(infrared->brute_force, scene_state.signal_index);
+        infrared_play_notification_message(infrared, InfraredNotificationMessageBlinkStop);
+        break;
+    }
+
+    default:
+        furi_crash();
+    }
+}
+
 bool infrared_scene_universal_common_on_event(void* context, SceneManagerEvent event) {
    InfraredApp* infrared = context;
    SceneManager* scene_manager = infrared->scene_manager;
    InfraredBruteForce* brute_force = infrared->brute_force;
+    uint32_t scene_id = scene_manager_get_current_scene(infrared->scene_manager);
    bool consumed = false;

    if(infrared_brute_force_is_started(brute_force)) {
        if(event.type == SceneManagerEventTypeTick) {
-            bool success = infrared_brute_force_send_next(brute_force);
-            if(success) {
-                success = infrared_progress_view_increase_progress(infrared->progress);
+            InfraredSceneState scene_state = {
+                .packed_value = scene_manager_get_scene_state(scene_manager, scene_id)};
+
+            if(!scene_state.is_paused) {
+                bool success = infrared_brute_force_send(brute_force, scene_state.signal_index);
+                if(success) {
+                    success = infrared_progress_view_set_progress(
+                        infrared->progress, scene_state.signal_index + 1);
+                    scene_state.signal_index++;
+                    scene_manager_set_scene_state(
+                        scene_manager, scene_id, scene_state.packed_value);
+                }
+                if(!success) {
+                    infrared_brute_force_stop(brute_force);
+                    infrared_scene_universal_common_hide_popup(infrared);
+                }
+                consumed = true;
            }
-            if(!success) {
-                infrared_brute_force_stop(brute_force);
-                infrared_scene_universal_common_hide_popup(infrared);
-            }
-            consumed = true;
        } else if(event.type == SceneManagerEventTypeCustom) {
-            if(infrared_custom_event_get_type(event.event) == InfraredCustomEventTypeBackPressed) {
-                infrared_brute_force_stop(brute_force);
-                infrared_scene_universal_common_hide_popup(infrared);
+            uint16_t event_type;
+            int16_t event_value;
+            infrared_custom_event_unpack(event.event, &event_type, &event_value);
+            if(event_type == InfraredCustomEventTypePopupInput) {
+                infrared_scene_universal_common_handle_popup_input(infrared, event_value);
+                consumed = true;
            }
-            consumed = true;
        }
    } else {
        if(event.type == SceneManagerEventTypeBack) {
@@ -87,6 +182,7 @@ bool infrared_scene_universal_common_on_event(void* context, SceneManagerEvent e
            if(event_type == InfraredCustomEventTypeButtonSelected) {
                uint32_t record_count;
                if(infrared_brute_force_start(brute_force, event_value, &record_count)) {
+                    scene_manager_set_scene_state(infrared->scene_manager, scene_id, 0);
                    dolphin_deed(DolphinDeedIrSend);
                    infrared_scene_universal_common_show_popup(infrared, record_count);
                } else {
--- a/applications/main/infrared/scenes/infrared_scene_universal_ac.c
+++ b/applications/main/infrared/scenes/infrared_scene_universal_ac.c
@@ -118,7 +118,7 @@ void infrared_scene_universal_ac_on_enter(void* context) {
    button_panel_add_icon(button_panel, 0, 60, &I_cool_30x51);
    button_panel_add_icon(button_panel, 34, 60, &I_heat_30x51);

-    button_panel_add_label(button_panel, 4, 10, FontPrimary, "AC remote");
+    button_panel_add_label(button_panel, 24, 10, FontPrimary, "AC");

    infrared_scene_universal_common_on_enter(context);
 }
--- a/applications/main/infrared/scenes/infrared_scene_universal_audio.c
+++ b/applications/main/infrared/scenes/infrared_scene_universal_audio.c
@@ -114,7 +114,7 @@ void infrared_scene_universal_audio_on_enter(void* context) {
        context);
    infrared_brute_force_add_record(brute_force, i++, "Vol_up");

-    button_panel_add_label(button_panel, 1, 10, FontPrimary, "Mus. remote");
+    button_panel_add_label(button_panel, 1, 10, FontPrimary, "Audio player");
    button_panel_add_icon(button_panel, 34, 56, &I_vol_ac_text_30x30);

    infrared_scene_universal_common_on_enter(context);
--- a/applications/main/infrared/scenes/infrared_scene_universal_projector.c
+++ b/applications/main/infrared/scenes/infrared_scene_universal_projector.c
@@ -63,7 +63,7 @@ void infrared_scene_universal_projector_on_enter(void* context) {
        context);
    infrared_brute_force_add_record(brute_force, i++, "Vol_dn");

-    button_panel_add_label(button_panel, 3, 11, FontPrimary, "Proj. remote");
+    button_panel_add_label(button_panel, 10, 11, FontPrimary, "Projector");
    button_panel_add_icon(button_panel, 17, 72, &I_vol_ac_text_30x30);

    infrared_scene_universal_common_on_enter(context);
--- a/applications/main/infrared/scenes/infrared_scene_universal_tv.c
+++ b/applications/main/infrared/scenes/infrared_scene_universal_tv.c
@@ -91,7 +91,7 @@ void infrared_scene_universal_tv_on_enter(void* context) {
        context);
    infrared_brute_force_add_record(brute_force, i++, "Ch_prev");

-    button_panel_add_label(button_panel, 5, 10, FontPrimary, "TV remote");
+    button_panel_add_label(button_panel, 25, 10, FontPrimary, "TV");

    infrared_scene_universal_common_on_enter(context);
 }
--- a/applications/main/infrared/views/infrared_progress_view.c
+++ b/applications/main/infrared/views/infrared_progress_view.c
@@ -14,54 +14,80 @@

 struct InfraredProgressView {
    View* view;
-    InfraredProgressViewBackCallback back_callback;
+    InfraredProgressViewInputCallback input_callback;
    void* context;
 };

 typedef struct {
    size_t progress;
    size_t progress_total;
+    bool is_paused;
 } InfraredProgressViewModel;

-bool infrared_progress_view_increase_progress(InfraredProgressView* progress) {
-    furi_assert(progress);
-    bool result = false;
-
-    InfraredProgressViewModel* model = view_get_model(progress->view);
-    if(model->progress < model->progress_total) {
-        ++model->progress;
-        result = model->progress < model->progress_total;
-    }
-    view_commit_model(progress->view, true);
-
-    return result;
-}
-
 static void infrared_progress_view_draw_callback(Canvas* canvas, void* _model) {
    InfraredProgressViewModel* model = (InfraredProgressViewModel*)_model;

    uint8_t x = 0;
-    uint8_t y = 36;
+    uint8_t y = 25;
    uint8_t width = 63;
-    uint8_t height = 59;
+    uint8_t height = 81;

    elements_bold_rounded_frame(canvas, x, y, width, height);

    canvas_set_font(canvas, FontSecondary);
    elements_multiline_text_aligned(
-        canvas, x + 34, y + 9, AlignCenter, AlignCenter, "Sending ...");
+        canvas,
+        x + 32,
+        y + 9,
+        AlignCenter,
+        AlignCenter,
+        model->is_paused ? "Paused" : "Sending...");

    float progress_value = (float)model->progress / model->progress_total;
    elements_progress_bar(canvas, x + 4, y + 19, width - 7, progress_value);

-    uint8_t percent_value = 100 * model->progress / model->progress_total;
-    char percents_string[10] = {0};
-    snprintf(percents_string, sizeof(percents_string), "%d%%", percent_value);
+    char progress_string[16] = {0};
+    if(model->is_paused) {
+        snprintf(
+            progress_string,
+            sizeof(progress_string),
+            "%zu/%zu",
+            model->progress,
+            model->progress_total);
+    } else {
+        uint8_t percent_value = 100 * model->progress / model->progress_total;
+        snprintf(progress_string, sizeof(progress_string), "%d%%", percent_value);
+    }
    elements_multiline_text_aligned(
-        canvas, x + 33, y + 37, AlignCenter, AlignCenter, percents_string);
+        canvas, x + 33, y + 37, AlignCenter, AlignCenter, progress_string);

-    canvas_draw_icon(canvas, x + 14, y + height - 14, &I_Pin_back_arrow_10x8);
-    canvas_draw_str(canvas, x + 30, y + height - 6, "= stop");
+    uint8_t buttons_x = x + (model->is_paused ? 10 : 14);
+    uint8_t buttons_y = y + (model->is_paused ? 46 : 50);
+
+    canvas_draw_icon(canvas, buttons_x + 0, buttons_y + 0, &I_Pin_back_arrow_10x8);
+    canvas_draw_str(canvas, buttons_x + 14, buttons_y + 8, model->is_paused ? "resume" : "stop");
+
+    canvas_draw_icon(canvas, buttons_x + 1, buttons_y + 10, &I_Ok_btn_9x9);
+    canvas_draw_str(canvas, buttons_x + 14, buttons_y + 17, model->is_paused ? "send 1" : "pause");
+
+    if(model->is_paused) {
+        canvas_draw_icon(canvas, buttons_x + 2, buttons_y + 21, &I_ButtonLeftSmall_3x5);
+        canvas_draw_icon(canvas, buttons_x + 7, buttons_y + 21, &I_ButtonRightSmall_3x5);
+        canvas_draw_str(canvas, buttons_x + 14, buttons_y + 26, "select");
+    }
+}
+
+bool infrared_progress_view_set_progress(InfraredProgressView* instance, uint16_t progress) {
+    bool result;
+    with_view_model(
+        instance->view,
+        InfraredProgressViewModel * model,
+        {
+            result = progress <= model->progress_total;
+            if(result) model->progress = progress;
+        },
+        true);
+    return result;
 }

 void infrared_progress_view_set_progress_total(
@@ -74,14 +100,40 @@ void infrared_progress_view_set_progress_total(
    view_commit_model(progress->view, false);
 }

+void infrared_progress_view_set_paused(InfraredProgressView* instance, bool is_paused) {
+    with_view_model(
+        instance->view, InfraredProgressViewModel * model, { model->is_paused = is_paused; }, true);
+}
+
 bool infrared_progress_view_input_callback(InputEvent* event, void* context) {
    InfraredProgressView* instance = context;
+    if(event->type != InputTypeShort && event->type != InputTypeRepeat) return false;
+    if(!instance->input_callback) return false;

-    if((event->type == InputTypeShort) && (event->key == InputKeyBack)) {
-        if(instance->back_callback) {
-            instance->back_callback(instance->context);
-        }
-    }
+    with_view_model(
+        instance->view,
+        InfraredProgressViewModel * model,
+        {
+            if(model->is_paused) {
+                if(event->key == InputKeyLeft)
+                    instance->input_callback(
+                        instance->context, InfraredProgressViewInputPreviousSignal);
+                else if(event->key == InputKeyRight)
+                    instance->input_callback(
+                        instance->context, InfraredProgressViewInputNextSignal);
+                else if(event->key == InputKeyOk)
+                    instance->input_callback(
+                        instance->context, InfraredProgressViewInputSendSingle);
+                else if(event->key == InputKeyBack)
+                    instance->input_callback(instance->context, InfraredProgressViewInputResume);
+            } else {
+                if(event->key == InputKeyOk)
+                    instance->input_callback(instance->context, InfraredProgressViewInputPause);
+                else if(event->key == InputKeyBack)
+                    instance->input_callback(instance->context, InfraredProgressViewInputStop);
+            }
+        },
+        false);

    return true;
 }
@@ -106,12 +158,12 @@ void infrared_progress_view_free(InfraredProgressView* progress) {
    free(progress);
 }

-void infrared_progress_view_set_back_callback(
+void infrared_progress_view_set_input_callback(
    InfraredProgressView* instance,
-    InfraredProgressViewBackCallback callback,
+    InfraredProgressViewInputCallback callback,
    void* context) {
    furi_assert(instance);
-    instance->back_callback = callback;
+    instance->input_callback = callback;
    instance->context = context;
 }

--- a/applications/main/infrared/views/infrared_progress_view.h
+++ b/applications/main/infrared/views/infrared_progress_view.h
@@ -10,11 +10,20 @@
 extern "C" {
 #endif

-/** Anonumous instance */
+/** Anonymous instance */
 typedef struct InfraredProgressView InfraredProgressView;

-/** Callback for back button handling */
-typedef void (*InfraredProgressViewBackCallback)(void*);
+typedef enum {
+    InfraredProgressViewInputStop,
+    InfraredProgressViewInputPause,
+    InfraredProgressViewInputResume,
+    InfraredProgressViewInputPreviousSignal,
+    InfraredProgressViewInputNextSignal,
+    InfraredProgressViewInputSendSingle,
+} InfraredProgressViewInput;
+
+/** Callback for input handling */
+typedef void (*InfraredProgressViewInputCallback)(void* context, InfraredProgressViewInput event);

 /** Allocate and initialize Infrared view
 *
@@ -35,13 +44,12 @@ void infrared_progress_view_free(InfraredProgressView* instance);
 */
 View* infrared_progress_view_get_view(InfraredProgressView* instance);

-/** Increase progress on progress view module
+/** Set progress of progress view module
 *
 * @param instance view module
- * @retval true - value is incremented and maximum is reached,
- *      false - value is incremented and maximum is not reached
+ * @param progress progress value
 */
-bool infrared_progress_view_increase_progress(InfraredProgressView* instance);
+bool infrared_progress_view_set_progress(InfraredProgressView* instance, uint16_t progress);

 /** Set maximum progress value
 *
@@ -52,15 +60,22 @@ void infrared_progress_view_set_progress_total(
    InfraredProgressView* instance,
    uint16_t progress_max);

-/** Set back button callback
+/** Selects the variant of the View
+ * 
+ * @param instance view instance
+ * @param is_paused the "paused" variant is displayed if true; the "sending" one if false
+ */
+void infrared_progress_view_set_paused(InfraredProgressView* instance, bool is_paused);
+
+/** Set input callback
 *
 * @param instance - view module
- * @param callback - callback to call for back button
+ * @param callback - callback to call for input
 * @param context - context to pass to callback
 */
-void infrared_progress_view_set_back_callback(
+void infrared_progress_view_set_input_callback(
    InfraredProgressView* instance,
-    InfraredProgressViewBackCallback callback,
+    InfraredProgressViewInputCallback callback,
    void* context);

 #ifdef __cplusplus
--- a/applications/services/gui/scene_manager.c
+++ b/applications/services/gui/scene_manager.c
@@ -230,6 +230,11 @@ bool scene_manager_search_and_switch_to_another_scene(
    }
 }

+uint32_t scene_manager_get_current_scene(SceneManager* scene_manager) {
+    furi_check(scene_manager);
+    return *SceneManagerIdStack_back(scene_manager->scene_id_stack);
+}
+
 void scene_manager_stop(SceneManager* scene_manager) {
    furi_check(scene_manager);

--- a/applications/services/gui/scene_manager.h
+++ b/applications/services/gui/scene_manager.h
@@ -170,6 +170,14 @@ bool scene_manager_search_and_switch_to_another_scene(
    SceneManager* scene_manager,
    uint32_t scene_id);

+/** Get id of current scene
+ * 
+ * @param      scene_manager  SceneManager instance
+ * 
+ * @return                    Scene ID
+ */
+uint32_t scene_manager_get_current_scene(SceneManager* scene_manager);
+
 /** Exit from current scene
 *
 * @param      scene_manager  SceneManager instance
--- a/lib/flipper_format/flipper_format.c
+++ b/lib/flipper_format/flipper_format.c
@@ -8,6 +8,11 @@
 #include "flipper_format_stream.h"
 #include "flipper_format_stream_i.h"

+// permits direct casting between `FlipperFormatOffset` and `StreamOffset`
+static_assert((size_t)FlipperFormatOffsetFromCurrent == (size_t)StreamOffsetFromCurrent);
+static_assert((size_t)FlipperFormatOffsetFromStart == (size_t)StreamOffsetFromStart);
+static_assert((size_t)FlipperFormatOffsetFromEnd == (size_t)StreamOffsetFromEnd);
+
 /********************************** Private **********************************/
 struct FlipperFormat {
    Stream* stream;
@@ -127,6 +132,17 @@ bool flipper_format_rewind(FlipperFormat* flipper_format) {
    return stream_rewind(flipper_format->stream);
 }

+size_t flipper_format_tell(FlipperFormat* flipper_format) {
+    furi_check(flipper_format);
+    return stream_tell(flipper_format->stream);
+}
+
+bool flipper_format_seek(FlipperFormat* flipper_format, int32_t offset, FlipperFormatOffset anchor) {
+    furi_check(flipper_format);
+    // direct usage of `anchor` made valid by `static_assert`s at the top of this file
+    return stream_seek(flipper_format->stream, offset, (StreamOffset)anchor);
+}
+
 bool flipper_format_seek_to_end(FlipperFormat* flipper_format) {
    furi_check(flipper_format);
    return stream_seek(flipper_format->stream, 0, StreamOffsetFromEnd);
--- a/lib/flipper_format/flipper_format.h
+++ b/lib/flipper_format/flipper_format.h
@@ -94,6 +94,12 @@ extern "C" {

 typedef struct FlipperFormat FlipperFormat;

+typedef enum {
+    FlipperFormatOffsetFromCurrent,
+    FlipperFormatOffsetFromStart,
+    FlipperFormatOffsetFromEnd,
+} FlipperFormatOffset;
+
 /** Allocate FlipperFormat as string.
 *
 * @return     FlipperFormat* pointer to a FlipperFormat instance
@@ -216,6 +222,24 @@ void flipper_format_set_strict_mode(FlipperFormat* flipper_format, bool strict_m
 */
 bool flipper_format_rewind(FlipperFormat* flipper_format);

+/** Get the RW pointer position
+ * 
+ * @param      flipper_format  Pointer to a FlipperFormat instance
+ * 
+ * @return     RW pointer position
+ */
+size_t flipper_format_tell(FlipperFormat* flipper_format);
+
+/** Set the RW pointer position to an arbitrary value
+ * 
+ * @param      flipper_format  Pointer to a FlipperFormat instance
+ * @param      offset          Offset relative to the anchor point
+ * @param      anchor          Anchor point (e.g. start of file)
+ * 
+ * @return     True on success
+ */
+bool flipper_format_seek(FlipperFormat* flipper_format, int32_t offset, FlipperFormatOffset anchor);
+
 /** Move the RW pointer at the end. Can be useful if you want to add some data
 * after reading.
 *
--- a/targets/f18/api_symbols.csv
+++ b/targets/f18/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,80.1,,
+Version,+,80.2,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/bt/bt_service/bt_keys_storage.h,,
 Header,+,applications/services/cli/cli.h,,
@@ -1038,6 +1038,7 @@ Function,+,flipper_format_read_int32,_Bool,"FlipperFormat*, const char*, int32_t
 Function,+,flipper_format_read_string,_Bool,"FlipperFormat*, const char*, FuriString*"
 Function,+,flipper_format_read_uint32,_Bool,"FlipperFormat*, const char*, uint32_t*, const uint16_t"
 Function,+,flipper_format_rewind,_Bool,FlipperFormat*
+Function,+,flipper_format_seek,_Bool,"FlipperFormat*, int32_t, FlipperFormatOffset"
 Function,+,flipper_format_seek_to_end,_Bool,FlipperFormat*
 Function,+,flipper_format_set_strict_mode,void,"FlipperFormat*, _Bool"
 Function,+,flipper_format_stream_delete_key_and_write,_Bool,"Stream*, FlipperStreamWriteData*, _Bool"
@@ -1046,6 +1047,7 @@ Function,+,flipper_format_stream_read_value_line,_Bool,"Stream*, const char*, Fl
 Function,+,flipper_format_stream_write_comment_cstr,_Bool,"Stream*, const char*"
 Function,+,flipper_format_stream_write_value_line,_Bool,"Stream*, FlipperStreamWriteData*"
 Function,+,flipper_format_string_alloc,FlipperFormat*,
+Function,+,flipper_format_tell,size_t,FlipperFormat*
 Function,+,flipper_format_update_bool,_Bool,"FlipperFormat*, const char*, const _Bool*, const uint16_t"
 Function,+,flipper_format_update_float,_Bool,"FlipperFormat*, const char*, const float*, const uint16_t"
 Function,+,flipper_format_update_hex,_Bool,"FlipperFormat*, const char*, const uint8_t*, const uint16_t"
@@ -2468,6 +2470,7 @@ Function,-,scalbnl,long double,"long double, int"
 Function,-,scanf,int,"const char*, ..."
 Function,+,scene_manager_alloc,SceneManager*,"const SceneManagerHandlers*, void*"
 Function,+,scene_manager_free,void,SceneManager*
+Function,+,scene_manager_get_current_scene,uint32_t,SceneManager*
 Function,+,scene_manager_get_scene_state,uint32_t,"const SceneManager*, uint32_t"
 Function,+,scene_manager_handle_back_event,_Bool,SceneManager*
 Function,+,scene_manager_handle_custom_event,_Bool,"SceneManager*, uint32_t"
--- a/targets/f7/api_symbols.csv
+++ b/targets/f7/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,80.1,,
+Version,+,80.2,,
 Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/bt/bt_service/bt_keys_storage.h,,
@@ -1149,6 +1149,7 @@ Function,+,flipper_format_read_int32,_Bool,"FlipperFormat*, const char*, int32_t
 Function,+,flipper_format_read_string,_Bool,"FlipperFormat*, const char*, FuriString*"
 Function,+,flipper_format_read_uint32,_Bool,"FlipperFormat*, const char*, uint32_t*, const uint16_t"
 Function,+,flipper_format_rewind,_Bool,FlipperFormat*
+Function,+,flipper_format_seek,_Bool,"FlipperFormat*, int32_t, FlipperFormatOffset"
 Function,+,flipper_format_seek_to_end,_Bool,FlipperFormat*
 Function,+,flipper_format_set_strict_mode,void,"FlipperFormat*, _Bool"
 Function,+,flipper_format_stream_delete_key_and_write,_Bool,"Stream*, FlipperStreamWriteData*, _Bool"
@@ -1157,6 +1158,7 @@ Function,+,flipper_format_stream_read_value_line,_Bool,"Stream*, const char*, Fl
 Function,+,flipper_format_stream_write_comment_cstr,_Bool,"Stream*, const char*"
 Function,+,flipper_format_stream_write_value_line,_Bool,"Stream*, FlipperStreamWriteData*"
 Function,+,flipper_format_string_alloc,FlipperFormat*,
+Function,+,flipper_format_tell,size_t,FlipperFormat*
 Function,+,flipper_format_update_bool,_Bool,"FlipperFormat*, const char*, const _Bool*, const uint16_t"
 Function,+,flipper_format_update_float,_Bool,"FlipperFormat*, const char*, const float*, const uint16_t"
 Function,+,flipper_format_update_hex,_Bool,"FlipperFormat*, const char*, const uint8_t*, const uint16_t"
@@ -3105,6 +3107,7 @@ Function,-,scalbnl,long double,"long double, int"
 Function,-,scanf,int,"const char*, ..."
 Function,+,scene_manager_alloc,SceneManager*,"const SceneManagerHandlers*, void*"
 Function,+,scene_manager_free,void,SceneManager*
+Function,+,scene_manager_get_current_scene,uint32_t,SceneManager*
 Function,+,scene_manager_get_scene_state,uint32_t,"const SceneManager*, uint32_t"
 Function,+,scene_manager_handle_back_event,_Bool,SceneManager*
 Function,+,scene_manager_handle_custom_event,_Bool,"SceneManager*, uint32_t"