add screensaver and optimize performance

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

components/bob/CMakeLists.txt

@@ -0,0 +1,10 @@
+if (DEFINED ENV{IDF_PATH})
+    idf_component_register(SRCS
+                            bob.c
+                        INCLUDE_DIRS "include"
+                        PRIV_REQUIRES
+                            bt
+                            ruth
+    )
+    return()
+endif ()

components/bob/bob.c

@@ -0,0 +1,8 @@
+#include "bob.h"
+
+#include "persistence.h"
+
+void bob_init(void)
+{
+    persistence_init("system_control");
+}

components/bob/include/bob.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    void bob_init(void);
+#ifdef __cplusplus
+}
+#endif