implement left/right with callback

Signed-off-by: Peter Siegmund <developer@mars3142.org>

components/ruth/CMakeLists.txt

@@ -1,6 +1,6 @@
 if (DEFINED ENV{IDF_PATH})
     idf_component_register(SRCS
-            PushButton.cpp
+            persistence.c
             INCLUDE_DIRS "include"
     )
     return()
@@ -10,7 +10,7 @@ cmake_minimum_required(VERSION 3.30)
 project(ruth)
 
 add_library(${PROJECT_NAME} STATIC
-        PushButton.cpp
+        persistence.c
 )
 
 include_directories(include)

components/ruth/PushButton.cpp

@@ -1 +0,0 @@
-#include "include/PushButton.h"

components/ruth/include/PushButton.h

@@ -1,9 +0,0 @@
-#pragma once
-
-#define BUTTON_UP 0
-#define BUTTON_DOWN 1
-#define BUTTON_LEFT 2
-#define BUTTON_RIGHT 3
-
-#define BUTTON_SELECT 4
-#define BUTTON_BACK 5

components/ruth/include/persistence.h

@@ -0,0 +1,8 @@
+#pragma once
+
+typedef struct
+{
+    char *name;
+
+    void (*save)(const char *key, const char *value);
+} persistence_t;

components/ruth/persistence.c

@@ -0,0 +1,3 @@
+//
+// Created by Siegmund, Peter on 14.06.25.
+//