Begin work with Input_service settings (edit,save) for vibro_touch option

applications/services/input/input_settings.c

@@ -0,0 +1,77 @@
+#include "input_settings.h"
+#include "input_settings_filename.h"
+
+#include <saved_struct.h>
+#include <storage/storage.h>
+
+#define TAG "InputSettings"
+
+#define INPUT_SETTINGS_VER_0 (0) // OLD version number
+#define INPUT_SETTINGS_VER   (1) // NEW actual version nnumber
+
+#define INPUT_SETTINGS_PATH  INT_PATH(INPUT_SETTINGS_FILE_NAME)
+#define INPUT_SETTINGS_MAGIC (0x19)
+
+typedef struct {
+    //inital set - empty
+} InputSettingsV0;
+
+void input_settings_load(InputSettings* settings) {
+    furi_assert(settings);
+
+    bool success = false;
+
+    do {
+        uint8_t version;
+        if(!saved_struct_get_metadata(INPUT_SETTINGS_PATH, NULL, &version, NULL)) break;
+
+        if(version == INPUT_SETTINGS_VER) { // if config actual version - load it directly
+            success = saved_struct_load(
+                INPUT_SETTINGS_PATH,
+                settings,
+                sizeof(InputSettings),
+                INPUT_SETTINGS_MAGIC,
+                INPUT_SETTINGS_VER);
+
+        } else if(
+            version ==
+            INPUT_SETTINGS_VER_0) { // if config previous version - load it and manual set new settings to inital value
+            InputSettingsV0* settings_v0 = malloc(sizeof(InputSettingsV0));
+
+            success = saved_struct_load(
+                INPUT_SETTINGS_PATH,
+                settings_v0,
+                sizeof(InputSettingsV0),
+                INPUT_SETTINGS_MAGIC,
+                INPUT_SETTINGS_VER_0);
+
+            if(success) {
+                settings->vibro_touch_level = 0;
+            }
+
+            free(settings_v0);
+        }
+
+    } while(false);
+
+    if(!success) {
+        FURI_LOG_W(TAG, "Failed to load file, using defaults");
+        memset(settings, 0, sizeof(InputSettings));
+        input_settings_save(settings);
+    }
+}
+
+void input_settings_save(const InputSettings* settings) {
+    furi_assert(settings);
+
+    const bool success = saved_struct_save(
+        INPUT_SETTINGS_PATH,
+        settings,
+        sizeof(InputSettings),
+        INPUT_SETTINGS_MAGIC,
+        INPUT_SETTINGS_VER);
+
+    if(!success) {
+        FURI_LOG_E(TAG, "Failed to save file");
+    }
+}