Merge branch 'UNLEASHED' into 420

.drone.yml

@@ -23,7 +23,7 @@ steps:
       - ls -laS artifacts-default
       - ls -laS artifacts-default/f7-update-${DRONE_TAG}
       - sed -i 's/(version)/'${DRONE_TAG}'/g' CHANGELOG.md
-      - echo '# [Install via Web Updater](https://my.flipp.dev/?url=https://unleashedflip.com/builds/flipper-z-f7-update-'${DRONE_TAG}'.tgz&channel=dev-cfw&version='${DRONE_TAG}')' >> CHANGELOG.md
+      - echo '# [Install via Web Updater](https://lab.flipper.net/?url=https://unleashedflip.com/builds/flipper-z-f7-update-'${DRONE_TAG}'.tgz&channel=dev-cfw&version='${DRONE_TAG}')' >> CHANGELOG.md
     environment:
       FBT_TOOLS_CUSTOM_LINK:
         from_secret: fbt_link
@@ -88,7 +88,7 @@ steps:
 
         [-How to install firmware-](https://github.com/DarkFlippers/unleashed-firmware/blob/dev/documentation/HowToInstall.md)
 
-        [-Install via Web Updater-](https://my.flipp.dev/?url=https://unleashedflip.com/builds/flipper-z-f7-update-${DRONE_TAG}.tgz&channel=dev-cfw&version=${DRONE_TAG})"
+        [-Install via Web Updater-](https://lab.flipper.net/?url=https://unleashedflip.com/builds/flipper-z-f7-update-${DRONE_TAG}.tgz&channel=dev-cfw&version=${DRONE_TAG})"
       document:
         - artifacts-default/flipper-z-f7-update-${DRONE_TAG}.tgz
 
@@ -108,7 +108,7 @@ steps:
         [[Github]](https://github.com/DarkFlippers/unleashed-firmware/releases/tag/${DRONE_TAG})
 
 
-        [-Install via Web Updater-](https://my.flipp.dev/?url=https://unleashedflip.com/builds/flipper-z-f7-update-${DRONE_TAG}.tgz&channel=dev-cfw&version=${DRONE_TAG})"
+        [-Install via Web Updater-](https://lab.flipper.net/?url=https://unleashedflip.com/builds/flipper-z-f7-update-${DRONE_TAG}.tgz&channel=dev-cfw&version=${DRONE_TAG})"
 
 trigger:
   event:

.vscode/example/tasks.json

@@ -109,13 +109,13 @@
             "label": "[Debug] Build FAPs",
             "group": "build",
             "type": "shell",
-            "command": "./fbt plugin_dist"
+            "command": "./fbt fap_dist"
         },
         {
             "label": "[Release] Build FAPs",
             "group": "build",
             "type": "shell",
-            "command": "./fbt COMPACT=1 DEBUG=0 plugin_dist"
+            "command": "./fbt COMPACT=1 DEBUG=0 fap_dist"
         },
         {
             "label": "[Debug] Launch App on Flipper",

CHANGELOG.md

@@ -1,7 +1,14 @@
 ### New changes
-* API version changed to 5.1 due to OFW updates, Extra apps pack update is coming, download it from link below tomorrow or get it from our discord
+* API version changed to 6.1 due to OFW updates, Extra apps pack update is already done! Download it from link below
-* OFW: SubGHz: Move Oregon2 protocol to Weather Station plugin
+* Halloween theme + animation :) (by @Svaarich) (will be disabled on first days of November)
-* OFW: Gui: update statusbar attention icon and better crash handling (breaking change, API version increased because of that)
+* Plugins: Add new plugin - HC-SR04 Distance sensor [(original by Sanqui)](https://github.com/Sanqui/flipperzero-firmware/tree/hc_sr04) - Ported and modified by @xMasterX - How to connect -> (5V -> VCC) / (GND -> GND) / (13|TX -> Trig) / (14|RX -> Echo)
+* Plugins: Snake -> Allow food to spawn anywhere (by @TQMatvey | PR #130)
+* Plugins: Use clear power in temp sensor plugin
+* Plugins: WS -> add protocol Acurite 592TXR (OFW PR 1916 by Skorpionm)
+* Plugins: WS -> fix oregon2 flags, and protocol type
+* Fixed wrong fbt arguments in tasks.json in vscode example config -> plugin_dist -> fap_dist
+* OFW PR: TikTok: reset cursor after enter and reconnect (OFW PR 1921 by gornekich)
+* OFW: Furi: smaller crash routine (breaking change, API version increased because of that)
 
 #### [🎲 Download extra apps pack](https://download-directory.github.io/?url=https://github.com/UberGuidoZ/Flipper/tree/main/Applications/Unleashed%20(and%20RogueMaster))
 

applications/plugins/bt_hid_app/views/bt_hid_tiktok.c

@@ -17,6 +17,7 @@ typedef struct {
     bool down_pressed;
     bool ok_pressed;
     bool connected;
+    bool is_cursor_set;
 } BtHidTikTokModel;
 
 static void bt_hid_tiktok_draw_callback(Canvas* canvas, void* context) {
@@ -88,48 +89,48 @@ static void bt_hid_tiktok_draw_callback(Canvas* canvas, void* context) {
     elements_multiline_text_aligned(canvas, 13, 62, AlignLeft, AlignBottom, "Hold to exit");
 }
 
-static void bt_hid_tiktok_process_press(BtHidTikTok* bt_hid_tiktok, InputEvent* event) {
+static void bt_hid_tiktok_reset_cursor() {
-    with_view_model(
+    // Set cursor to the phone's left up corner
-        bt_hid_tiktok->view,
+    // Delays to guarantee one packet per connection interval
-        BtHidTikTokModel * model,
+    for(size_t i = 0; i < 8; i++) {
-        {
+        furi_hal_bt_hid_mouse_move(-127, -127);
-            if(event->key == InputKeyUp) {
+        furi_delay_ms(50);
-                model->up_pressed = true;
+    }
-            } else if(event->key == InputKeyDown) {
+    // Move cursor from the corner
-                model->down_pressed = true;
+    furi_hal_bt_hid_mouse_move(20, 120);
-            } else if(event->key == InputKeyLeft) {
+    furi_delay_ms(50);
-                model->left_pressed = true;
-                furi_hal_bt_hid_consumer_key_press(HID_CONSUMER_VOLUME_DECREMENT);
-            } else if(event->key == InputKeyRight) {
-                model->right_pressed = true;
-                furi_hal_bt_hid_consumer_key_press(HID_CONSUMER_VOLUME_INCREMENT);
-            } else if(event->key == InputKeyOk) {
-                model->ok_pressed = true;
-            }
-        },
-        true);
 }
 
-static void bt_hid_tiktok_process_release(BtHidTikTok* bt_hid_tiktok, InputEvent* event) {
+static void bt_hid_tiktok_process_press(BtHidTikTokModel* model, InputEvent* event) {
-    with_view_model(
+    if(event->key == InputKeyUp) {
-        bt_hid_tiktok->view,
+        model->up_pressed = true;
-        BtHidTikTokModel * model,
+    } else if(event->key == InputKeyDown) {
-        {
+        model->down_pressed = true;
-            if(event->key == InputKeyUp) {
+    } else if(event->key == InputKeyLeft) {
-                model->up_pressed = false;
+        model->left_pressed = true;
-            } else if(event->key == InputKeyDown) {
+        furi_hal_bt_hid_consumer_key_press(HID_CONSUMER_VOLUME_DECREMENT);
-                model->down_pressed = false;
+    } else if(event->key == InputKeyRight) {
-            } else if(event->key == InputKeyLeft) {
+        model->right_pressed = true;
-                model->left_pressed = false;
+        furi_hal_bt_hid_consumer_key_press(HID_CONSUMER_VOLUME_INCREMENT);
-                furi_hal_bt_hid_consumer_key_release(HID_CONSUMER_VOLUME_DECREMENT);
+    } else if(event->key == InputKeyOk) {
-            } else if(event->key == InputKeyRight) {
+        model->ok_pressed = true;
-                model->right_pressed = false;
+    }
-                furi_hal_bt_hid_consumer_key_release(HID_CONSUMER_VOLUME_INCREMENT);
+}
-            } else if(event->key == InputKeyOk) {
+
-                model->ok_pressed = false;
+static void bt_hid_tiktok_process_release(BtHidTikTokModel* model, InputEvent* event) {
-            }
+    if(event->key == InputKeyUp) {
-        },
+        model->up_pressed = false;
-        true);
+    } else if(event->key == InputKeyDown) {
+        model->down_pressed = false;
+    } else if(event->key == InputKeyLeft) {
+        model->left_pressed = false;
+        furi_hal_bt_hid_consumer_key_release(HID_CONSUMER_VOLUME_DECREMENT);
+    } else if(event->key == InputKeyRight) {
+        model->right_pressed = false;
+        furi_hal_bt_hid_consumer_key_release(HID_CONSUMER_VOLUME_INCREMENT);
+    } else if(event->key == InputKeyOk) {
+        model->ok_pressed = false;
+    }
 }
 
 static bool bt_hid_tiktok_input_callback(InputEvent* event, void* context) {
@@ -137,43 +138,59 @@ static bool bt_hid_tiktok_input_callback(InputEvent* event, void* context) {
     BtHidTikTok* bt_hid_tiktok = context;
     bool consumed = false;
 
-    if(event->type == InputTypePress) {
+    with_view_model(
-        bt_hid_tiktok_process_press(bt_hid_tiktok, event);
+        bt_hid_tiktok->view,
-        consumed = true;
+        BtHidTikTokModel * model,
-    } else if(event->type == InputTypeRelease) {
+        {
-        bt_hid_tiktok_process_release(bt_hid_tiktok, event);
+            if(event->type == InputTypePress) {
-        consumed = true;
+                bt_hid_tiktok_process_press(model, event);
-    } else if(event->type == InputTypeShort) {
+                if(model->connected && !model->is_cursor_set) {
-        if(event->key == InputKeyOk) {
+                    bt_hid_tiktok_reset_cursor();
-            furi_hal_bt_hid_mouse_press(HID_MOUSE_BTN_LEFT);
+                    model->is_cursor_set = true;
-            furi_delay_ms(50);
+                }
-            furi_hal_bt_hid_mouse_release(HID_MOUSE_BTN_LEFT);
+                consumed = true;
-            furi_delay_ms(50);
+            } else if(event->type == InputTypeRelease) {
-            furi_hal_bt_hid_mouse_press(HID_MOUSE_BTN_LEFT);
+                bt_hid_tiktok_process_release(model, event);
-            furi_delay_ms(50);
+                consumed = true;
-            furi_hal_bt_hid_mouse_release(HID_MOUSE_BTN_LEFT);
+            } else if(event->type == InputTypeShort) {
-            consumed = true;
+                if(event->key == InputKeyOk) {
-        } else if(event->key == InputKeyUp) {
+                    furi_hal_bt_hid_mouse_press(HID_MOUSE_BTN_LEFT);
-            // Emulate up swipe
+                    furi_delay_ms(50);
-            furi_hal_bt_hid_mouse_scroll(-6);
+                    furi_hal_bt_hid_mouse_release(HID_MOUSE_BTN_LEFT);
-            furi_hal_bt_hid_mouse_scroll(-12);
+                    furi_delay_ms(50);
-            furi_hal_bt_hid_mouse_scroll(-19);
+                    furi_hal_bt_hid_mouse_press(HID_MOUSE_BTN_LEFT);
-            furi_hal_bt_hid_mouse_scroll(-12);
+                    furi_delay_ms(50);
-            furi_hal_bt_hid_mouse_scroll(-6);
+                    furi_hal_bt_hid_mouse_release(HID_MOUSE_BTN_LEFT);
-            consumed = true;
+                    consumed = true;
-        } else if(event->key == InputKeyDown) {
+                } else if(event->key == InputKeyUp) {
-            // Emulate down swipe
+                    // Emulate up swipe
-            furi_hal_bt_hid_mouse_scroll(6);
+                    furi_hal_bt_hid_mouse_scroll(-6);
-            furi_hal_bt_hid_mouse_scroll(12);
+                    furi_hal_bt_hid_mouse_scroll(-12);
-            furi_hal_bt_hid_mouse_scroll(19);
+                    furi_hal_bt_hid_mouse_scroll(-19);
-            furi_hal_bt_hid_mouse_scroll(12);
+                    furi_hal_bt_hid_mouse_scroll(-12);
-            furi_hal_bt_hid_mouse_scroll(6);
+                    furi_hal_bt_hid_mouse_scroll(-6);
-            consumed = true;
+                    consumed = true;
-        } else if(event->key == InputKeyBack) {
+                } else if(event->key == InputKeyDown) {
-            furi_hal_bt_hid_consumer_key_release_all();
+                    // Emulate down swipe
-            consumed = true;
+                    furi_hal_bt_hid_mouse_scroll(6);
-        }
+                    furi_hal_bt_hid_mouse_scroll(12);
-    }
+                    furi_hal_bt_hid_mouse_scroll(19);
+                    furi_hal_bt_hid_mouse_scroll(12);
+                    furi_hal_bt_hid_mouse_scroll(6);
+                    consumed = true;
+                } else if(event->key == InputKeyBack) {
+                    furi_hal_bt_hid_consumer_key_release_all();
+                    consumed = true;
+                }
+            } else if(event->type == InputTypeLong) {
+                if(event->key == InputKeyBack) {
+                    furi_hal_bt_hid_consumer_key_release_all();
+                    model->is_cursor_set = false;
+                    consumed = false;
+                }
+            }
+        },
+        true);
 
     return consumed;
 }
@@ -203,5 +220,11 @@ View* bt_hid_tiktok_get_view(BtHidTikTok* bt_hid_tiktok) {
 void bt_hid_tiktok_set_connected_status(BtHidTikTok* bt_hid_tiktok, bool connected) {
     furi_assert(bt_hid_tiktok);
     with_view_model(
-        bt_hid_tiktok->view, BtHidTikTokModel * model, { model->connected = connected; }, true);
+        bt_hid_tiktok->view,
+        BtHidTikTokModel * model,
+        {
+            model->connected = connected;
+            model->is_cursor_set = false;
+        },
+        true);
 }

applications/plugins/hc_sr04/application.fam

@@ -0,0 +1,14 @@
+App(
+    appid="hc_sr04",
+    name="HC-SR04 Dist. Sensor",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="hc_sr04_app",
+    cdefines=["APP_HC_SR04"],
+    requires=[
+        "gui",
+    ],
+    stack_size=2 * 1024,
+    order=20,
+    fap_icon="dist_sensor10px.png",
+    fap_category="GPIO",
+)

applications/plugins/hc_sr04/hc_sr04.c

@@ -0,0 +1,251 @@
+// insired by
+// https://github.com/esphome/esphome/blob/ac0d921413c3884752193fe568fa82853f0f99e9/esphome/components/ultrasonic/ultrasonic_sensor.cpp
+// Ported and modified by @xMasterX
+
+#include <furi.h>
+#include <furi_hal_power.h>
+#include <gui/gui.h>
+#include <input/input.h>
+#include <stdlib.h>
+#include <gui/elements.h>
+#include <notification/notification.h>
+#include <notification/notification_messages.h>
+
+typedef enum {
+    EventTypeTick,
+    EventTypeKey,
+} EventType;
+
+typedef struct {
+    EventType type;
+    InputEvent input;
+} PluginEvent;
+
+typedef struct {
+    NotificationApp* notification;
+    bool have_5v;
+    bool measurement_made;
+    uint32_t echo; // ms
+    float distance; // meters
+} PluginState;
+
+const NotificationSequence sequence_done = {
+    &message_display_backlight_on,
+    &message_green_255,
+    &message_note_c5,
+    &message_delay_50,
+    &message_sound_off,
+    NULL,
+};
+
+static void render_callback(Canvas* const canvas, void* ctx) {
+    const PluginState* plugin_state = acquire_mutex((ValueMutex*)ctx, 25);
+    if(plugin_state == NULL) {
+        return;
+    }
+    // border around the edge of the screen
+    // canvas_draw_frame(canvas, 0, 0, 128, 64);
+
+    canvas_set_font(canvas, FontPrimary);
+    elements_multiline_text_aligned(
+        canvas, 64, 2, AlignCenter, AlignTop, "HC-SR04 Ultrasonic\nDistance Sensor");
+
+    canvas_set_font(canvas, FontSecondary);
+
+    if(!plugin_state->have_5v) {
+        elements_multiline_text_aligned(
+            canvas,
+            4,
+            28,
+            AlignLeft,
+            AlignTop,
+            "5V on GPIO must be\nenabled, or USB must\nbe connected.");
+    } else {
+        if(!plugin_state->measurement_made) {
+            elements_multiline_text_aligned(
+                canvas, 64, 28, AlignCenter, AlignTop, "Press OK button to measure");
+            elements_multiline_text_aligned(
+                canvas, 64, 40, AlignCenter, AlignTop, "13/TX -> Trig\n14/RX -> Echo");
+        } else {
+            elements_multiline_text_aligned(canvas, 4, 28, AlignLeft, AlignTop, "Readout:");
+
+            FuriString* str_buf;
+            str_buf = furi_string_alloc();
+            furi_string_printf(str_buf, "Echo: %ld ms", plugin_state->echo);
+
+            canvas_draw_str_aligned(
+                canvas, 8, 38, AlignLeft, AlignTop, furi_string_get_cstr(str_buf));
+            furi_string_printf(str_buf, "Distance: %02f m", (double)plugin_state->distance);
+            canvas_draw_str_aligned(
+                canvas, 8, 48, AlignLeft, AlignTop, furi_string_get_cstr(str_buf));
+
+            furi_string_free(str_buf);
+        }
+    }
+
+    release_mutex((ValueMutex*)ctx, plugin_state);
+}
+
+static void input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
+    furi_assert(event_queue);
+
+    PluginEvent event = {.type = EventTypeKey, .input = *input_event};
+    furi_message_queue_put(event_queue, &event, FuriWaitForever);
+}
+
+static void hc_sr04_state_init(PluginState* const plugin_state) {
+    plugin_state->echo = -1;
+    plugin_state->distance = -1;
+    plugin_state->measurement_made = false;
+
+    furi_hal_power_suppress_charge_enter();
+
+    plugin_state->have_5v = false;
+    if(furi_hal_power_is_otg_enabled() || furi_hal_power_is_charging()) {
+        plugin_state->have_5v = true;
+    } else {
+        furi_hal_power_enable_otg();
+        plugin_state->have_5v = true;
+    }
+}
+
+float hc_sr04_ms_to_m(uint32_t ms) {
+    const float speed_sound_m_per_s = 343.0f;
+    const float time_s = ms / 1e3f;
+    const float total_dist = time_s * speed_sound_m_per_s;
+    return total_dist / 2.0f;
+}
+
+static void hc_sr04_measure(PluginState* const plugin_state) {
+    //plugin_state->echo = 1;
+    //return;
+
+    if(!plugin_state->have_5v) {
+        if(furi_hal_power_is_otg_enabled() || furi_hal_power_is_charging()) {
+            plugin_state->have_5v = true;
+        } else {
+            return;
+        }
+    }
+
+    //furi_hal_light_set(LightRed, 0xFF);
+    notification_message(plugin_state->notification, &sequence_blink_start_yellow);
+
+    const uint32_t timeout_ms = 2000;
+    // Pin 13 / TX -> Trig
+    furi_hal_gpio_write(&gpio_usart_tx, false);
+    furi_hal_gpio_init(&gpio_usart_tx, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
+
+    // Pin 14 / RX -> Echo
+    furi_hal_gpio_write(&gpio_usart_rx, false);
+    furi_hal_gpio_init(&gpio_usart_rx, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
+
+    //FURI_CRITICAL_ENTER();
+    // 10 ms pulse on TX
+    furi_hal_gpio_write(&gpio_usart_tx, true);
+    furi_delay_ms(10);
+    furi_hal_gpio_write(&gpio_usart_tx, false);
+
+    // TODO change from furi_get_tick(), which returns ms,
+    // to DWT->CYCCNT, which is a more precise counter with
+    // us precision (see furi_hal_cortex_delay_us)
+
+    const uint32_t start = furi_get_tick();
+
+    while(furi_get_tick() - start < timeout_ms && furi_hal_gpio_read(&gpio_usart_rx))
+        ;
+    while(furi_get_tick() - start < timeout_ms && !furi_hal_gpio_read(&gpio_usart_rx))
+        ;
+
+    const uint32_t pulse_start = furi_get_tick();
+
+    while(furi_get_tick() - start < timeout_ms && furi_hal_gpio_read(&gpio_usart_rx))
+        ;
+
+    const uint32_t pulse_end = furi_get_tick();
+    //FURI_CRITICAL_EXIT();
+
+    plugin_state->echo = pulse_end - pulse_start;
+    plugin_state->distance = hc_sr04_ms_to_m(pulse_end - pulse_start);
+    plugin_state->measurement_made = true;
+
+    //furi_hal_light_set(LightRed, 0x00);
+    notification_message(plugin_state->notification, &sequence_blink_stop);
+    notification_message(plugin_state->notification, &sequence_done);
+}
+
+int32_t hc_sr04_app() {
+    FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(PluginEvent));
+
+    PluginState* plugin_state = malloc(sizeof(PluginState));
+
+    hc_sr04_state_init(plugin_state);
+
+    ValueMutex state_mutex;
+    if(!init_mutex(&state_mutex, plugin_state, sizeof(PluginState))) {
+        FURI_LOG_E("hc_sr04", "cannot create mutex\r\n");
+        if(furi_hal_power_is_otg_enabled()) {
+            furi_hal_power_disable_otg();
+        }
+        furi_hal_power_suppress_charge_exit();
+        furi_message_queue_free(event_queue);
+        free(plugin_state);
+        return 255;
+    }
+
+    plugin_state->notification = furi_record_open(RECORD_NOTIFICATION);
+
+    // Set system callbacks
+    ViewPort* view_port = view_port_alloc();
+    view_port_draw_callback_set(view_port, render_callback, &state_mutex);
+    view_port_input_callback_set(view_port, input_callback, event_queue);
+
+    // Open GUI and register view_port
+    Gui* gui = furi_record_open(RECORD_GUI);
+    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
+
+    PluginEvent event;
+    for(bool processing = true; processing;) {
+        FuriStatus event_status = furi_message_queue_get(event_queue, &event, 100);
+
+        PluginState* plugin_state = (PluginState*)acquire_mutex_block(&state_mutex);
+
+        if(event_status == FuriStatusOk) {
+            // press events
+            if(event.type == EventTypeKey) {
+                if(event.input.type == InputTypePress) {
+                    switch(event.input.key) {
+                    case InputKeyUp:
+                    case InputKeyDown:
+                    case InputKeyRight:
+                    case InputKeyLeft:
+                        break;
+                    case InputKeyOk:
+                        hc_sr04_measure(plugin_state);
+                        break;
+                    case InputKeyBack:
+                        processing = false;
+                        break;
+                    }
+                }
+            }
+        }
+
+        view_port_update(view_port);
+        release_mutex(&state_mutex, plugin_state);
+    }
+
+    if(furi_hal_power_is_otg_enabled()) {
+        furi_hal_power_disable_otg();
+    }
+    furi_hal_power_suppress_charge_exit();
+    view_port_enabled_set(view_port, false);
+    gui_remove_view_port(gui, view_port);
+    furi_record_close(RECORD_GUI);
+    furi_record_close(RECORD_NOTIFICATION);
+    view_port_free(view_port);
+    furi_message_queue_free(event_queue);
+    delete_mutex(&state_mutex);
+
+    return 0;
+}

applications/plugins/temperature_sensor/temperature_sensor.c

@@ -194,6 +194,7 @@ static void temperature_sensor_timer_callback(FuriMessageQueue* event_queue) {
 int32_t temperature_sensor_app(void* p) {
     UNUSED(p);
 
+    furi_hal_power_suppress_charge_enter();
     // Declare our variables
     TSEvent tsEvent;
     bool sensorFound = false;
@@ -264,6 +265,7 @@ int32_t temperature_sensor_app(void* p) {
         furi_delay_tick(wait_ticks);
     }
 
+    furi_hal_power_suppress_charge_exit();
     // Dobby is freee (free our variables, Flipper will crash if we don't do this!)
     furi_timer_free(timer);
     gui_remove_view_port(gui, view_port);

applications/plugins/weather_station/helpers/weather_station_types.h

@@ -3,7 +3,7 @@
 #include <furi.h>
 #include <furi_hal.h>
 
-#define WS_VERSION_APP "0.2"
+#define WS_VERSION_APP "0.3"
 #define WS_DEVELOPED "SkorP"
 #define WS_GITHUB "https://github.com/flipperdevices/flipperzero-firmware"
 

applications/plugins/weather_station/protocols/acurite_592txr.c

@@ -0,0 +1,307 @@
+#include "acurite_592txr.h"
+
+#define TAG "WSProtocolAcurite_592TXR"
+
+/*
+ * Help
+ * https://github.com/merbanan/rtl_433/blob/5bef4e43133ac4c0e2d18d36f87c52b4f9458453/src/devices/acurite.c
+ * 
+ * Acurite 592TXR Temperature Humidity sensor decoder
+ * Message Type 0x04, 7 bytes
+ * | Byte 0    | Byte 1    | Byte 2    | Byte 3    | Byte 4    | Byte 5    | Byte 6    |
+ * | --------- | --------- | --------- | --------- | --------- | --------- | --------- |
+ * | CCII IIII | IIII IIII | pB00 0100 | pHHH HHHH | p??T TTTT | pTTT TTTT | KKKK KKKK |
+ * - C: Channel 00: C, 10: B, 11: A, (01 is invalid)
+ * - I: Device ID (14 bits)
+ * - B: Battery, 1 is battery OK, 0 is battery low
+ * - M: Message type (6 bits), 0x04
+ * - T: Temperature Celsius (11 - 14 bits?), + 1000 * 10
+ * - H: Relative Humidity (%) (7 bits)
+ * - K: Checksum (8 bits)
+ * - p: Parity bit
+ * Notes:
+ * - Temperature
+ *   - Encoded as Celsius + 1000 * 10
+ *   - only 11 bits needed for specified range -40 C to 70 C (-40 F - 158 F)
+ *   - However 14 bits available for temperature, giving possible range of -100 C to 1538.4 C
+ *   - @todo - check if high 3 bits ever used for anything else
+ * 
+ */
+
+static const SubGhzBlockConst ws_protocol_acurite_592txr_const = {
+    .te_short = 200,
+    .te_long = 400,
+    .te_delta = 90,
+    .min_count_bit_for_found = 56,
+};
+
+struct WSProtocolDecoderAcurite_592TXR {
+    SubGhzProtocolDecoderBase base;
+
+    SubGhzBlockDecoder decoder;
+    WSBlockGeneric generic;
+
+    uint16_t header_count;
+};
+
+struct WSProtocolEncoderAcurite_592TXR {
+    SubGhzProtocolEncoderBase base;
+
+    SubGhzProtocolBlockEncoder encoder;
+    WSBlockGeneric generic;
+};
+
+typedef enum {
+    Acurite_592TXRDecoderStepReset = 0,
+    Acurite_592TXRDecoderStepCheckPreambule,
+    Acurite_592TXRDecoderStepSaveDuration,
+    Acurite_592TXRDecoderStepCheckDuration,
+} Acurite_592TXRDecoderStep;
+
+const SubGhzProtocolDecoder ws_protocol_acurite_592txr_decoder = {
+    .alloc = ws_protocol_decoder_acurite_592txr_alloc,
+    .free = ws_protocol_decoder_acurite_592txr_free,
+
+    .feed = ws_protocol_decoder_acurite_592txr_feed,
+    .reset = ws_protocol_decoder_acurite_592txr_reset,
+
+    .get_hash_data = ws_protocol_decoder_acurite_592txr_get_hash_data,
+    .serialize = ws_protocol_decoder_acurite_592txr_serialize,
+    .deserialize = ws_protocol_decoder_acurite_592txr_deserialize,
+    .get_string = ws_protocol_decoder_acurite_592txr_get_string,
+};
+
+const SubGhzProtocolEncoder ws_protocol_acurite_592txr_encoder = {
+    .alloc = NULL,
+    .free = NULL,
+
+    .deserialize = NULL,
+    .stop = NULL,
+    .yield = NULL,
+};
+
+const SubGhzProtocol ws_protocol_acurite_592txr = {
+    .name = WS_PROTOCOL_ACURITE_592TXR_NAME,
+    .type = SubGhzProtocolWeatherStation,
+    .flag = SubGhzProtocolFlag_433 | SubGhzProtocolFlag_315 | SubGhzProtocolFlag_868 |
+            SubGhzProtocolFlag_AM | SubGhzProtocolFlag_Decodable,
+
+    .decoder = &ws_protocol_acurite_592txr_decoder,
+    .encoder = &ws_protocol_acurite_592txr_encoder,
+};
+
+void* ws_protocol_decoder_acurite_592txr_alloc(SubGhzEnvironment* environment) {
+    UNUSED(environment);
+    WSProtocolDecoderAcurite_592TXR* instance = malloc(sizeof(WSProtocolDecoderAcurite_592TXR));
+    instance->base.protocol = &ws_protocol_acurite_592txr;
+    instance->generic.protocol_name = instance->base.protocol->name;
+    return instance;
+}
+
+void ws_protocol_decoder_acurite_592txr_free(void* context) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    free(instance);
+}
+
+void ws_protocol_decoder_acurite_592txr_reset(void* context) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+}
+
+static bool ws_protocol_acurite_592txr_check_crc(WSProtocolDecoderAcurite_592TXR* instance) {
+    uint8_t msg[] = {
+        instance->decoder.decode_data >> 48,
+        instance->decoder.decode_data >> 40,
+        instance->decoder.decode_data >> 32,
+        instance->decoder.decode_data >> 24,
+        instance->decoder.decode_data >> 16,
+        instance->decoder.decode_data >> 8};
+
+    if((subghz_protocol_blocks_add_bytes(msg, 6) ==
+        (uint8_t)(instance->decoder.decode_data & 0xFF)) &&
+       (!subghz_protocol_blocks_parity_bytes(&msg[2], 4))) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+/**
+ * Analysis of received data
+ * @param instance Pointer to a WSBlockGeneric* instance
+ */
+static void ws_protocol_acurite_592txr_remote_controller(WSBlockGeneric* instance) {
+    uint8_t channel[] = {3, 0, 2, 1};
+    uint8_t channel_raw = ((instance->data >> 54) & 0x03);
+    instance->channel = channel[channel_raw];
+    instance->id = (instance->data >> 40) & 0x3FFF;
+    instance->battery_low = !((instance->data >> 38) & 1);
+    instance->humidity = (instance->data >> 24) & 0x7F;
+
+    uint16_t temp_raw = ((instance->data >> 9) & 0xF80) | ((instance->data >> 8) & 0x7F);
+    instance->temp = ((float)(temp_raw)-1000) / 10.0f;
+
+    instance->btn = WS_NO_BTN;
+}
+
+void ws_protocol_decoder_acurite_592txr_feed(void* context, bool level, uint32_t duration) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+
+    switch(instance->decoder.parser_step) {
+    case Acurite_592TXRDecoderStepReset:
+        if((level) && (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short * 3) <
+                       ws_protocol_acurite_592txr_const.te_delta * 2)) {
+            instance->decoder.parser_step = Acurite_592TXRDecoderStepCheckPreambule;
+            instance->decoder.te_last = duration;
+            instance->header_count = 0;
+        }
+        break;
+
+    case Acurite_592TXRDecoderStepCheckPreambule:
+        if(level) {
+            instance->decoder.te_last = duration;
+        } else {
+            if((DURATION_DIFF(
+                    instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short * 3) <
+                ws_protocol_acurite_592txr_const.te_delta * 2) &&
+               (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short * 3) <
+                ws_protocol_acurite_592txr_const.te_delta * 2)) {
+                //Found preambule
+                instance->header_count++;
+            } else if((instance->header_count > 2) && (instance->header_count < 5)) {
+                if((DURATION_DIFF(
+                        instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short) <
+                    ws_protocol_acurite_592txr_const.te_delta) &&
+                   (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_long) <
+                    ws_protocol_acurite_592txr_const.te_delta)) {
+                    instance->decoder.decode_data = 0;
+                    instance->decoder.decode_count_bit = 0;
+                    subghz_protocol_blocks_add_bit(&instance->decoder, 0);
+                    instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
+                } else if(
+                    (DURATION_DIFF(
+                         instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_long) <
+                     ws_protocol_acurite_592txr_const.te_delta) &&
+                    (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short) <
+                     ws_protocol_acurite_592txr_const.te_delta)) {
+                    instance->decoder.decode_data = 0;
+                    instance->decoder.decode_count_bit = 0;
+                    subghz_protocol_blocks_add_bit(&instance->decoder, 1);
+                    instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
+                } else {
+                    instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+                }
+            } else {
+                instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+            }
+        }
+        break;
+
+    case Acurite_592TXRDecoderStepSaveDuration:
+        if(level) {
+            instance->decoder.te_last = duration;
+            instance->decoder.parser_step = Acurite_592TXRDecoderStepCheckDuration;
+        } else {
+            instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+        }
+        break;
+
+    case Acurite_592TXRDecoderStepCheckDuration:
+        if(!level) {
+            if(duration >= ((uint32_t)ws_protocol_acurite_592txr_const.te_short * 5)) {
+                if((instance->decoder.decode_count_bit ==
+                    ws_protocol_acurite_592txr_const.min_count_bit_for_found) &&
+                   ws_protocol_acurite_592txr_check_crc(instance)) {
+                    instance->generic.data = instance->decoder.decode_data;
+                    instance->generic.data_count_bit = instance->decoder.decode_count_bit;
+                    ws_protocol_acurite_592txr_remote_controller(&instance->generic);
+                    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 = Acurite_592TXRDecoderStepReset;
+                break;
+            } else if(
+                (DURATION_DIFF(
+                     instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_short) <
+                 ws_protocol_acurite_592txr_const.te_delta) &&
+                (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_long) <
+                 ws_protocol_acurite_592txr_const.te_delta)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 0);
+                instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
+            } else if(
+                (DURATION_DIFF(
+                     instance->decoder.te_last, ws_protocol_acurite_592txr_const.te_long) <
+                 ws_protocol_acurite_592txr_const.te_delta) &&
+                (DURATION_DIFF(duration, ws_protocol_acurite_592txr_const.te_short) <
+                 ws_protocol_acurite_592txr_const.te_delta)) {
+                subghz_protocol_blocks_add_bit(&instance->decoder, 1);
+                instance->decoder.parser_step = Acurite_592TXRDecoderStepSaveDuration;
+            } else {
+                instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+            }
+        } else {
+            instance->decoder.parser_step = Acurite_592TXRDecoderStepReset;
+        }
+        break;
+    }
+}
+
+uint8_t ws_protocol_decoder_acurite_592txr_get_hash_data(void* context) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    return subghz_protocol_blocks_get_hash_data(
+        &instance->decoder, (instance->decoder.decode_count_bit / 8) + 1);
+}
+
+bool ws_protocol_decoder_acurite_592txr_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    return ws_block_generic_serialize(&instance->generic, flipper_format, preset);
+}
+
+bool ws_protocol_decoder_acurite_592txr_deserialize(void* context, FlipperFormat* flipper_format) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    bool ret = false;
+    do {
+        if(!ws_block_generic_deserialize(&instance->generic, flipper_format)) {
+            break;
+        }
+        if(instance->generic.data_count_bit !=
+           ws_protocol_acurite_592txr_const.min_count_bit_for_found) {
+            FURI_LOG_E(TAG, "Wrong number of bits in key");
+            break;
+        }
+        ret = true;
+    } while(false);
+    return ret;
+}
+
+void ws_protocol_decoder_acurite_592txr_get_string(void* context, FuriString* output) {
+    furi_assert(context);
+    WSProtocolDecoderAcurite_592TXR* instance = context;
+    furi_string_printf(
+        output,
+        "%s %dbit\r\n"
+        "Key:0x%lX%08lX\r\n"
+        "Sn:0x%lX Ch:%d  Bat:%d\r\n"
+        "Temp:%d.%d C Hum:%d%%",
+        instance->generic.protocol_name,
+        instance->generic.data_count_bit,
+        (uint32_t)(instance->generic.data >> 32),
+        (uint32_t)(instance->generic.data),
+        instance->generic.id,
+        instance->generic.channel,
+        instance->generic.battery_low,
+        (int16_t)instance->generic.temp,
+        abs(((int16_t)(instance->generic.temp * 10) - (((int16_t)instance->generic.temp) * 10))),
+        instance->generic.humidity);
+}

applications/plugins/weather_station/protocols/acurite_592txr.h

@@ -0,0 +1,79 @@
+#pragma once
+
+#include <lib/subghz/protocols/base.h>
+
+#include <lib/subghz/blocks/const.h>
+#include <lib/subghz/blocks/decoder.h>
+#include <lib/subghz/blocks/encoder.h>
+#include "ws_generic.h"
+#include <lib/subghz/blocks/math.h>
+
+#define WS_PROTOCOL_ACURITE_592TXR_NAME "Acurite 592TXR"
+
+typedef struct WSProtocolDecoderAcurite_592TXR WSProtocolDecoderAcurite_592TXR;
+typedef struct WSProtocolEncoderAcurite_592TXR WSProtocolEncoderAcurite_592TXR;
+
+extern const SubGhzProtocolDecoder ws_protocol_acurite_592txr_decoder;
+extern const SubGhzProtocolEncoder ws_protocol_acurite_592txr_encoder;
+extern const SubGhzProtocol ws_protocol_acurite_592txr;
+
+/**
+ * Allocate WSProtocolDecoderAcurite_592TXR.
+ * @param environment Pointer to a SubGhzEnvironment instance
+ * @return WSProtocolDecoderAcurite_592TXR* pointer to a WSProtocolDecoderAcurite_592TXR instance
+ */
+void* ws_protocol_decoder_acurite_592txr_alloc(SubGhzEnvironment* environment);
+
+/**
+ * Free WSProtocolDecoderAcurite_592TXR.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ */
+void ws_protocol_decoder_acurite_592txr_free(void* context);
+
+/**
+ * Reset decoder WSProtocolDecoderAcurite_592TXR.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ */
+void ws_protocol_decoder_acurite_592txr_reset(void* context);
+
+/**
+ * Parse a raw sequence of levels and durations received from the air.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ * @param level Signal level true-high false-low
+ * @param duration Duration of this level in, us
+ */
+void ws_protocol_decoder_acurite_592txr_feed(void* context, bool level, uint32_t duration);
+
+/**
+ * Getting the hash sum of the last randomly received parcel.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ * @return hash Hash sum
+ */
+uint8_t ws_protocol_decoder_acurite_592txr_get_hash_data(void* context);
+
+/**
+ * Serialize data WSProtocolDecoderAcurite_592TXR.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR 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 ws_protocol_decoder_acurite_592txr_serialize(
+    void* context,
+    FlipperFormat* flipper_format,
+    SubGhzRadioPreset* preset);
+
+/**
+ * Deserialize data WSProtocolDecoderAcurite_592TXR.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ * @param flipper_format Pointer to a FlipperFormat instance
+ * @return true On success
+ */
+bool ws_protocol_decoder_acurite_592txr_deserialize(void* context, FlipperFormat* flipper_format);
+
+/**
+ * Getting a textual representation of the received data.
+ * @param context Pointer to a WSProtocolDecoderAcurite_592TXR instance
+ * @param output Resulting text
+ */
+void ws_protocol_decoder_acurite_592txr_get_string(void* context, FuriString* output);

applications/plugins/weather_station/protocols/protocol_items.c

@@ -8,6 +8,7 @@ const SubGhzProtocol* weather_station_protocol_registry_items[] = {
     &ws_protocol_acurite_606tx,
     &ws_protocol_lacrosse_tx141thbv2,
     &ws_protocol_oregon2,
+    &ws_protocol_acurite_592txr,
 };
 
 const SubGhzProtocolRegistry weather_station_protocol_registry = {

applications/plugins/weather_station/protocols/protocol_items.h

@@ -8,5 +8,6 @@
 #include "acurite_606tx.h"
 #include "lacrosse_tx141thbv2.h"
 #include "oregon2.h"
+#include "acurite_592txr.h"
 
 extern const SubGhzProtocolRegistry weather_station_protocol_registry;

assets/dolphin/external/L1_Halloween_128x64/meta.txt

@@ -0,0 +1,14 @@
+Filetype: Flipper Animation
+Version: 1
+
+Width: 128
+Height: 64
+Passive frames: 4
+Active frames: 0
+Frames order: 0 1 2 3 
+Active cycles: 0
+Frame rate: 3
+Duration: 3600
+Active cooldown: 0
+
+Bubble slots: 0

assets/dolphin/external/manifest.txt

@@ -1,6 +1,13 @@
 Filetype: Flipper Animation Manifest
 Version: 1
 
+Name: L1_Halloween_128x64
+Min butthurt: 0
+Max butthurt: 13
+Min level: 1
+Max level: 30
+Weight: 3
+
 Name: L1_Waves_128x50
 Min butthurt: 0
 Max butthurt: 5

assets/resources/dolphin/L1_Halloween_128x64/meta.txt

@@ -0,0 +1,14 @@
+Filetype: Flipper Animation
+Version: 1
+
+Width: 128
+Height: 64
+Passive frames: 4
+Active frames: 0
+Frames order: 0 1 2 3
+Active cycles: 0
+Frame rate: 3
+Duration: 3600
+Active cooldown: 0
+
+Bubble slots: 0

assets/resources/dolphin/manifest.txt

@@ -455,3 +455,10 @@ Max butthurt: 14
 Min level: 1
 Max level: 30
 Weight: 3
+
+Name: L1_Halloween_128x64
+Min butthurt: 0
+Max butthurt: 13
+Min level: 1
+Max level: 3
+Weight: 8

firmware/targets/f7/api_symbols.csv

@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,5.1,,
+Version,+,6.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -2331,6 +2331,7 @@ Function,-,subghz_keystore_raw_encrypted_save,_Bool,"const char*, const char*, u
 Function,-,subghz_keystore_raw_get_data,_Bool,"const char*, size_t, uint8_t*, size_t"
 Function,-,subghz_keystore_save,_Bool,"SubGhzKeystore*, const char*, uint8_t*"
 Function,+,subghz_protocol_blocks_add_bit,void,"SubGhzBlockDecoder*, uint8_t"
+Function,+,subghz_protocol_blocks_add_bytes,uint8_t,"const uint8_t[], unsigned"
 Function,+,subghz_protocol_blocks_crc16,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t"
 Function,+,subghz_protocol_blocks_crc16lsb,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t"
 Function,+,subghz_protocol_blocks_crc4,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t"
@@ -2344,8 +2345,11 @@ Function,+,subghz_protocol_blocks_get_upload,size_t,"uint8_t[], size_t, LevelDur
 Function,+,subghz_protocol_blocks_lfsr_digest16,uint16_t,"const uint8_t[], unsigned, uint16_t, uint16_t"
 Function,+,subghz_protocol_blocks_lfsr_digest8,uint8_t,"const uint8_t[], unsigned, uint8_t, uint8_t"
 Function,+,subghz_protocol_blocks_lfsr_digest8_reflect,uint8_t,"const uint8_t[], int, uint8_t, uint8_t"
+Function,+,subghz_protocol_blocks_parity8,int,uint8_t
+Function,+,subghz_protocol_blocks_parity_bytes,int,"const uint8_t[], unsigned"
 Function,+,subghz_protocol_blocks_reverse_key,uint64_t,"uint64_t, uint8_t"
 Function,+,subghz_protocol_blocks_set_bit_array,void,"_Bool, uint8_t[], size_t, size_t"
+Function,+,subghz_protocol_blocks_xor_bytes,uint8_t,"const uint8_t[], unsigned"
 Function,+,subghz_protocol_decoder_base_deserialize,_Bool,"SubGhzProtocolDecoderBase*, FlipperFormat*"
 Function,+,subghz_protocol_decoder_base_get_hash_data,uint8_t,SubGhzProtocolDecoderBase*
 Function,+,subghz_protocol_decoder_base_get_string,_Bool,"SubGhzProtocolDecoderBase*, FuriString*"
@@ -4742,7 +4746,6 @@ Variable,-,subghz_protocol_nice_flo_encoder,const SubGhzProtocolEncoder,
 Variable,-,subghz_protocol_nice_flor_s,const SubGhzProtocol,
 Variable,-,subghz_protocol_nice_flor_s_decoder,const SubGhzProtocolDecoder,
 Variable,-,subghz_protocol_nice_flor_s_encoder,const SubGhzProtocolEncoder,
-Variable,-,subghz_protocol_oregon2,const SubGhzProtocol,
 Variable,-,subghz_protocol_phoenix_v2,const SubGhzProtocol,
 Variable,-,subghz_protocol_phoenix_v2_decoder,const SubGhzProtocolDecoder,
 Variable,-,subghz_protocol_phoenix_v2_encoder,const SubGhzProtocolEncoder,

lib/subghz/blocks/math.c

@@ -216,4 +216,34 @@ uint16_t subghz_protocol_blocks_lfsr_digest16(
         }
     }
     return sum;
+}
+
+uint8_t subghz_protocol_blocks_add_bytes(uint8_t const message[], unsigned num_bytes) {
+    int result = 0;
+    for(unsigned i = 0; i < num_bytes; ++i) {
+        result += message[i];
+    }
+    return (uint8_t)result;
+}
+
+int subghz_protocol_blocks_parity8(uint8_t byte) {
+    byte ^= byte >> 4;
+    byte &= 0xf;
+    return (0x6996 >> byte) & 1;
+}
+
+int subghz_protocol_blocks_parity_bytes(uint8_t const message[], unsigned num_bytes) {
+    int result = 0;
+    for(unsigned i = 0; i < num_bytes; ++i) {
+        result ^= subghz_protocol_blocks_parity8(message[i]);
+    }
+    return result;
+}
+
+uint8_t subghz_protocol_blocks_xor_bytes(uint8_t const message[], unsigned num_bytes) {
+    uint8_t result = 0;
+    for(unsigned i = 0; i < num_bytes; ++i) {
+        result ^= message[i];
+    }
+    return result;
 }

lib/subghz/blocks/math.h

@@ -161,6 +161,37 @@ uint16_t subghz_protocol_blocks_lfsr_digest16(
     uint16_t gen,
     uint16_t key);
 
+/**
+ *  Compute Addition of a number of bytes.
+ *  @param message bytes of message data
+ *  @param num_bytes number of bytes to sum
+ *  @return summation value
+ **/
+uint8_t subghz_protocol_blocks_add_bytes(uint8_t const message[], unsigned num_bytes);
+
+/**
+ *  Compute bit parity of a single byte (8 bits).
+ *  @param byte single byte to check
+ *  @return 1 odd parity, 0 even parity
+ **/
+int subghz_protocol_blocks_parity8(uint8_t byte);
+
+/**
+ *  Compute bit parity of a number of bytes.
+ *  @param message bytes of message data
+ *  @param num_bytes number of bytes to sum
+ *  @return 1 odd parity, 0 even parity
+ **/
+int subghz_protocol_blocks_parity_bytes(uint8_t const message[], unsigned num_bytes);
+
+/**
+ *  Compute XOR (byte-wide parity) of a number of bytes.
+ *  @param message bytes of message data
+ *  @param num_bytes number of bytes to sum
+ *  @return summation value, per bit-position 1 odd parity, 0 even parity
+ **/
+uint8_t subghz_protocol_blocks_xor_bytes(uint8_t const message[], unsigned num_bytes);
+
 #ifdef __cplusplus
 }
 #endif