[FL-3917] Add the ability to send a signal once via RPC

applications/main/infrared/infrared_app.c

@@ -88,6 +88,19 @@ static void infrared_rpc_command_callback(const RpcAppSystemEvent* event, void*
             view_dispatcher_send_custom_event(
                 infrared->view_dispatcher, InfraredCustomEventTypeRpcButtonPressIndex);
         }
+    } else if(event->type == RpcAppEventTypeButtonPressRelease) {
+        furi_assert(
+            event->data.type == RpcAppSystemEventDataTypeString ||
+            event->data.type == RpcAppSystemEventDataTypeInt32);
+        if(event->data.type == RpcAppSystemEventDataTypeString) {
+            furi_string_set(infrared->button_name, event->data.string);
+            view_dispatcher_send_custom_event(
+                infrared->view_dispatcher, InfraredCustomEventTypeRpcButtonPressReleaseName);
+        } else {
+            infrared->app_state.current_button_index = event->data.i32;
+            view_dispatcher_send_custom_event(
+                infrared->view_dispatcher, InfraredCustomEventTypeRpcButtonPressReleaseIndex);
+        }
     } else if(event->type == RpcAppEventTypeButtonRelease) {
         view_dispatcher_send_custom_event(
             infrared->view_dispatcher, InfraredCustomEventTypeRpcButtonRelease);

applications/main/infrared/infrared_custom_event.h

@@ -21,6 +21,8 @@ enum InfraredCustomEventType {
     InfraredCustomEventTypeRpcButtonPressName,
     InfraredCustomEventTypeRpcButtonPressIndex,
     InfraredCustomEventTypeRpcButtonRelease,
+    InfraredCustomEventTypeRpcButtonPressReleaseName,
+    InfraredCustomEventTypeRpcButtonPressReleaseIndex,
     InfraredCustomEventTypeRpcSessionClose,
 
     InfraredCustomEventTypeGpioTxPinChanged,

applications/main/infrared/scenes/infrared_scene_rpc.c

@@ -124,6 +124,53 @@ bool infrared_scene_rpc_on_event(void* context, SceneManagerEvent event) {
 
             rpc_system_app_confirm(infrared->rpc_ctx, result);
 
+        } else if(
+            event.event == InfraredCustomEventTypeRpcButtonPressReleaseName ||
+            event.event == InfraredCustomEventTypeRpcButtonPressReleaseIndex) {
+            bool result = false;
+
+            // Send the signal once and stop
+            if(rpc_state == InfraredRpcStateLoaded) {
+                if(event.event == InfraredCustomEventTypeRpcButtonPressReleaseName) {
+                    const char* button_name = furi_string_get_cstr(infrared->button_name);
+                    size_t index;
+                    const bool index_found =
+                        infrared_remote_get_signal_index(infrared->remote, button_name, &index);
+                    app_state->current_button_index = index_found ? (signed)index :
+                                                                    InfraredButtonIndexNone;
+                    FURI_LOG_D(TAG, "Sending signal with name \"%s\"", button_name);
+                } else {
+                    FURI_LOG_D(
+                        TAG, "Sending signal with index \"%ld\"", app_state->current_button_index);
+                }
+                if(infrared->app_state.current_button_index != InfraredButtonIndexNone) {
+                    InfraredErrorCode error =
+                        infrared_tx_start_button_index(infrared, app_state->current_button_index);
+                    if(!INFRARED_ERROR_PRESENT(error)) {
+                        const char* remote_name = infrared_remote_get_name(infrared->remote);
+                        infrared_text_store_set(infrared, 0, "emulating\n%s", remote_name);
+
+                        infrared_scene_rpc_show(infrared);
+                        result = true;
+                    } else {
+                        rpc_system_app_set_error_code(
+                            infrared->rpc_ctx, RpcAppSystemErrorCodeInternalParse);
+                        rpc_system_app_set_error_text(
+                            infrared->rpc_ctx, "Cannot load button data");
+                        result = false;
+                    }
+                }
+            }
+
+            if(result) {
+                infrared_tx_stop(infrared);
+                scene_manager_set_scene_state(
+                    infrared->scene_manager, InfraredSceneRpc, InfraredRpcStateLoaded);
+                scene_manager_stop(infrared->scene_manager);
+                view_dispatcher_stop(infrared->view_dispatcher);
+            }
+
+            rpc_system_app_confirm(infrared->rpc_ctx, result);
         } else if(
             event.event == InfraredCustomEventTypeRpcExit ||
             event.event == InfraredCustomEventTypeRpcSessionClose ||

applications/main/subghz/helpers/subghz_custom_event.h

@@ -49,6 +49,7 @@ typedef enum {
     SubGhzCustomEventSceneRpcLoad,
     SubGhzCustomEventSceneRpcButtonPress,
     SubGhzCustomEventSceneRpcButtonRelease,
+    SubGhzCustomEventSceneRpcButtonPressRelease,
     SubGhzCustomEventSceneRpcSessionClose,
 
     SubGhzCustomEventViewReceiverOK,

applications/main/subghz/scenes/subghz_scene_rpc.c

@@ -85,6 +85,43 @@ bool subghz_scene_rpc_on_event(void* context, SceneManagerEvent event) {
             scene_manager_set_scene_state(
                 subghz->scene_manager, SubGhzSceneRpc, SubGhzRpcStateIdle);
             rpc_system_app_confirm(subghz->rpc_ctx, result);
+        } else if(event.event == SubGhzCustomEventSceneRpcButtonPressRelease) {
+            bool result = false;
+            if(state == SubGhzRpcStateLoaded) {
+                switch(
+                    subghz_txrx_tx_start(subghz->txrx, subghz_txrx_get_fff_data(subghz->txrx))) {
+                case SubGhzTxRxStartTxStateErrorOnlyRx:
+                    rpc_system_app_set_error_code(
+                        subghz->rpc_ctx, RpcAppSystemErrorCodeRegionLock);
+                    rpc_system_app_set_error_text(
+                        subghz->rpc_ctx,
+                        "Transmission on this frequency is restricted in your region");
+                    break;
+                case SubGhzTxRxStartTxStateErrorParserOthers:
+                    rpc_system_app_set_error_code(
+                        subghz->rpc_ctx, RpcAppSystemErrorCodeInternalParse);
+                    rpc_system_app_set_error_text(
+                        subghz->rpc_ctx, "Error in protocol parameters description");
+                    break;
+
+                default: //if(SubGhzTxRxStartTxStateOk)
+                    result = true;
+                    subghz_blink_start(subghz);
+                    scene_manager_set_scene_state(
+                        subghz->scene_manager, SubGhzSceneRpc, SubGhzRpcStateTx);
+                    break;
+                }
+            }
+
+            // Stop transmission
+            if(state == SubGhzRpcStateTx) {
+                subghz_txrx_stop(subghz->txrx);
+                subghz_blink_stop(subghz);
+                result = true;
+            }
+            scene_manager_set_scene_state(
+                subghz->scene_manager, SubGhzSceneRpc, SubGhzRpcStateIdle);
+            rpc_system_app_confirm(subghz->rpc_ctx, result);
         } else if(event.event == SubGhzCustomEventSceneRpcLoad) {
             bool result = false;
             if(state == SubGhzRpcStateIdle) {

applications/main/subghz/subghz.c

@@ -43,6 +43,9 @@ static void subghz_rpc_command_callback(const RpcAppSystemEvent* event, void* co
     } else if(event->type == RpcAppEventTypeButtonRelease) {
         view_dispatcher_send_custom_event(
             subghz->view_dispatcher, SubGhzCustomEventSceneRpcButtonRelease);
+    } else if(event->type == RpcAppEventTypeButtonPressRelease) {
+        view_dispatcher_send_custom_event(
+            subghz->view_dispatcher, SubGhzCustomEventSceneRpcButtonPressRelease);
     } else {
         rpc_system_app_confirm(subghz->rpc_ctx, false);
     }

applications/services/rpc/rpc_app.c

@@ -258,6 +258,41 @@ static void rpc_system_app_button_release(const PB_Main* request, void* context)
     }
 }
 
+static void rpc_system_app_button_press_release(const PB_Main* request, void* context) {
+    furi_assert(request);
+    furi_assert(request->which_content == PB_Main_app_button_press_release_request_tag);
+
+    RpcAppSystem* rpc_app = context;
+    furi_assert(rpc_app);
+
+    if(rpc_app->callback) {
+        FURI_LOG_D(TAG, "ButtonPressRelease");
+
+        RpcAppSystemEvent event;
+        event.type = RpcAppEventTypeButtonPressRelease;
+
+        if(strlen(request->content.app_button_press_release_request.args) != 0) {
+            event.data.type = RpcAppSystemEventDataTypeString;
+            event.data.string = request->content.app_button_press_release_request.args;
+        } else {
+            event.data.type = RpcAppSystemEventDataTypeInt32;
+            event.data.i32 = request->content.app_button_press_release_request.index;
+        }
+
+        rpc_system_app_error_reset(rpc_app);
+        rpc_system_app_set_last_command(rpc_app, request->command_id, &event);
+
+        rpc_app->callback(&event, rpc_app->callback_context);
+
+    } else {
+        rpc_system_app_send_error_response(
+            rpc_app,
+            request->command_id,
+            PB_CommandStatus_ERROR_APP_NOT_RUNNING,
+            "ButtonPressRelease");
+    }
+}
+
 static void rpc_system_app_get_error_process(const PB_Main* request, void* context) {
     furi_assert(request);
     furi_assert(request->which_content == PB_Main_app_get_error_request_tag);
@@ -332,6 +367,7 @@ void rpc_system_app_confirm(RpcAppSystem* rpc_app, bool result) {
         rpc_app->last_event_type == RpcAppEventTypeLoadFile ||
         rpc_app->last_event_type == RpcAppEventTypeButtonPress ||
         rpc_app->last_event_type == RpcAppEventTypeButtonRelease ||
+        rpc_app->last_event_type == RpcAppEventTypeButtonPressRelease ||
         rpc_app->last_event_type == RpcAppEventTypeDataExchange);
 
     const uint32_t last_command_id = rpc_app->last_command_id;
@@ -432,6 +468,9 @@ void* rpc_system_app_alloc(RpcSession* session) {
     rpc_handler.message_handler = rpc_system_app_button_release;
     rpc_add_handler(session, PB_Main_app_button_release_request_tag, &rpc_handler);
 
+    rpc_handler.message_handler = rpc_system_app_button_press_release;
+    rpc_add_handler(session, PB_Main_app_button_press_release_request_tag, &rpc_handler);
+
     rpc_handler.message_handler = rpc_system_app_get_error_process;
     rpc_add_handler(session, PB_Main_app_get_error_request_tag, &rpc_handler);
 

applications/services/rpc/rpc_app.h

@@ -90,6 +90,13 @@ typedef enum {
      * all activities to be conducted while a button is being pressed.
      */
     RpcAppEventTypeButtonRelease,
+    /**
+     * @brief The client has informed the application that a button has been pressed and released.
+     * 
+     * This command's meaning is application-specific, e.g. to perform an action
+     * once without repeating it.
+     */
+    RpcAppEventTypeButtonPressRelease,
     /**
      * @brief The client has sent a byte array of arbitrary size.
      *
@@ -162,6 +169,7 @@ void rpc_system_app_send_exited(RpcAppSystem* rpc_app);
  * - RpcAppEventTypeLoadFile
  * - RpcAppEventTypeButtonPress
  * - RpcAppEventTypeButtonRelease
+ * - RpcAppEventTypeButtonPressRelease
  * - RpcAppEventTypeDataExchange
  *
  * Not confirming these events will result in a client-side timeout.