feat: LogRotate

generated/ui_320x240/images.c

@@ -1,6 +1,6 @@
 #include "images.h"
 
-const ext_img_desc_t images[68] = {
+const ext_img_desc_t images[69] = {
     { "meshtastic_boot_logo_image", &img_meshtastic_boot_logo_image },
     { "settings_button_image", &img_settings_button_image },
     { "map_button_image", &img_map_button_image },
@@ -69,4 +69,5 @@ const ext_img_desc_t images[68] = {
     { "home_fair_signal_image", &img_home_fair_signal_image },
     { "home_strong_signal_image", &img_home_strong_signal_image },
     { "home_good_signal_image", &img_home_good_signal_image },
+    { "lock_slash_image", &img_lock_slash_image },
 };

generated/ui_320x240/images.h

@@ -75,6 +75,7 @@ extern const lv_img_dsc_t img_home_weak_signal_image;
 extern const lv_img_dsc_t img_home_fair_signal_image;
 extern const lv_img_dsc_t img_home_strong_signal_image;
 extern const lv_img_dsc_t img_home_good_signal_image;
+extern const lv_img_dsc_t img_lock_slash_image;
 
 #ifndef EXT_IMG_DESC_T
 #define EXT_IMG_DESC_T
@@ -84,7 +85,7 @@ typedef struct _ext_img_desc_t {
 } ext_img_desc_t;
 #endif
 
-extern const ext_img_desc_t images[68];
+extern const ext_img_desc_t images[69];
 
 
 #ifdef __cplusplus

generated/ui_320x240/ui_image_lock_slash_image.c

@@ -0,0 +1,79 @@
+#ifdef __has_include
+    #if __has_include("lvgl.h")
+        #ifndef LV_LVGL_H_INCLUDE_SIMPLE
+            #define LV_LVGL_H_INCLUDE_SIMPLE
+        #endif
+    #endif
+#endif
+
+#if defined(LV_LVGL_H_INCLUDE_SIMPLE)
+#include "lvgl.h"
+#elif defined(LV_BUILD_TEST)
+#include "../lvgl.h"
+#else
+#include "lvgl/lvgl.h"
+#endif
+
+
+#ifndef LV_ATTRIBUTE_MEM_ALIGN
+#define LV_ATTRIBUTE_MEM_ALIGN
+#endif
+
+#ifndef LV_ATTRIBUTE_IMG_LOCK_SLASH_IMAGE
+#define LV_ATTRIBUTE_IMG_LOCK_SLASH_IMAGE
+#endif
+
+static const
+LV_ATTRIBUTE_MEM_ALIGN LV_ATTRIBUTE_LARGE_CONST LV_ATTRIBUTE_IMG_LOCK_SLASH_IMAGE
+uint8_t img_lock_slash_image_map[] = {
+
+    0xdb,0xde,0x3c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xdb,0xde,0x00,0x00,0x00,0x00,0xdb,0xde,0xba,0xd6,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xba,0xd6,0xdb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xdb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xdb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x9e,0xf7,0xdb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xdb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0xdb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xba,0xd6,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xba,0xd6,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x5d,0xef,0xdb,0xde,0xdb,0xde,0x5d,0xef,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x00,0xfb,0xde,0x3c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xdb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xba,0xd6,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x00,0xdb,0xde,0xba,0xd6,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xfb,0xde,0x18,0xc6,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xba,0xd6,0xdb,0xde,0x00,0x00,0x00,0x00,
+    0x00,0x00,0xba,0xd6,0xba,0xd6,0x3c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x3c,0xe7,0xba,0xd6,0xba,0xd6,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xdb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x5d,0xef,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xdb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x79,0xce,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,0x00,0x00,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x00,0x00,0x00,0x00,0x00,0x00,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x5d,0xef,0xfb,0xde,0xfb,0xde,0xdb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x59,0xce,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xfb,0xde,0x3c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xdb,0xde,0x00,0x00,
+    0x00,0x00,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,0xdb,0xde,
+    0x00,0x00,0xfb,0xde,0xdb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,
+    0x00,0x00,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,
+    0x00,0x00,0xba,0xd6,0xdb,0xde,0x3c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0xfb,0xde,
+    0x00,0x00,0x00,0x00,0xfb,0xde,0xdb,0xde,0x1c,0xe7,0xdb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xdb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0x3c,0xe7,
+    0x00,0x00,0x00,0x00,0x00,0x00,0xba,0xd6,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0xfb,0xde,0x1c,0xe7,0xfb,0xde,0xfb,0xde,0x3c,0xe7,0xdb,0xde,
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0e,0x0e,0x00,0x00,0x00,0x00,0x00,0x00,0x0a,0x1b,0x1b,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x0e,0xac,0xb8,0x27,0x00,0x00,0x00,0x15,0x72,0xbf,0xde,0xde,0xbf,0x73,0x17,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0e,0xb8,0xff,0xc3,0x26,0x00,0x00,0x85,0xff,0xfe,0xe8,0xe8,0xfe,0xff,0xc0,0x2d,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x27,0xc3,0xff,0xc3,0x26,0x00,0x50,0xa6,0x59,0x25,0x25,0x58,0xc8,0xff,0xc0,0x17,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x02,0x00,0x00,0x00,0x00,0x22,0xc8,0xff,0x73,0x00,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x00,0x26,0xc2,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,0x00,0x00,0x58,0xfe,0xbf,0x0a,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x34,0xea,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,0x00,0x24,0xe8,0xdd,0x1b,0x00,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x00,0x00,0x1f,0xe1,0xff,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,0x33,0xe6,0xe4,0x21,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0xac,0xfa,0xff,0xff,0xff,0xc3,0x26,0x00,0x00,0x41,0xdb,0xfe,0xfa,0xac,0x37,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x00,0x37,0xdd,0xff,0xee,0xe2,0xe0,0xea,0xff,0xc3,0x26,0x00,0x42,0xd7,0xe3,0xee,0xff,0xdd,0x37,0x00,0x00,0x00,0x00,0x00,0x04,0xa6,0xff,0xa7,0x32,0x20,0x1d,0x35,0xc2,0xff,0xc3,0x26,0x00,0x18,0x20,0x32,0xa7,0xff,0xa6,0x04,0x00,0x00,
+    0x00,0x00,0x15,0xd6,0xf0,0x32,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x00,0x00,0x32,0xf0,0xd6,0x15,0x00,0x00,0x00,0x00,0x1d,0xe1,0xe4,0x20,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x00,0x20,0xe5,0xe1,0x1e,0x00,0x00,
+    0x00,0x00,0x1f,0xe2,0xe2,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x18,0xd7,0xd7,0x18,0x00,0x00,0x00,0x00,0x1f,0xe2,0xe2,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x42,0x41,0x02,0x00,0x00,
+    0x00,0x00,0x1f,0xe2,0xe2,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1d,0xe1,0xe4,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x26,0xc3,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,
+    0x00,0x00,0x15,0xd6,0xf0,0x32,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x24,0xc0,0xff,0xc3,0x26,0x00,0x00,0x00,0x00,0x00,0x04,0xa6,0xff,0xa7,0x32,0x20,0x1f,0x1f,0x1f,0x1f,0x1f,0x1f,0x1f,0x1f,0x1d,0x5a,0xee,0xff,0xc3,0x27,0x00,0x00,
+    0x00,0x00,0x00,0x37,0xdd,0xff,0xf0,0xe4,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe4,0xef,0xff,0xf9,0xff,0xb8,0x0e,0x00,0x00,0x00,0x00,0x00,0x37,0xa6,0xd6,0xe1,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe2,0xe1,0xd6,0xa4,0x56,0xb7,0xac,0x0e,0x00,
+    0x00,0x00,0x00,0x00,0x00,0x04,0x15,0x1d,0x1e,0x1f,0x1f,0x1f,0x1f,0x1f,0x1f,0x1e,0x1d,0x15,0x04,0x00,0x0e,0x0e,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+};
+
+const lv_image_dsc_t img_lock_slash_image = {
+  .header.magic = LV_IMAGE_HEADER_MAGIC,
+  .header.cf = LV_COLOR_FORMAT_RGB565A8,
+  .header.flags = 0,
+  .header.w = 24,
+  .header.h = 24,
+  .header.stride = 48,
+  .data_size = sizeof(img_lock_slash_image_map),
+  .data = img_lock_slash_image_map,
+};
+

include/ILogEntry.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <functional>
+#include <stdint.h>
+
+/**
+ * Generic interface base class for any log entries (stored via class LogRotate)
+ */
+class ILogEntry
+{
+  public:
+    virtual size_t size(void) const = 0;
+    virtual size_t serialize(std::function<size_t(const uint8_t *, size_t)> write) const = 0;
+    virtual size_t deserialize(std::function<size_t(uint8_t *, size_t)> read) = 0;
+    virtual ~ILogEntry() = default;
+
+  protected:
+    ILogEntry(void) = default;
+
+  private:
+    ILogEntry(const ILogEntry &) = delete;
+    ILogEntry &operator=(const ILogEntry &) = delete;
+};

include/LGFXDriver.h

@@ -308,7 +308,7 @@ template <class LGFX> void LGFXDriver<LGFX>::init_lgfx(void)
         ILOG_INFO("Calibrating touch...");
 #ifdef T_DECK
         // FIXME: read calibration data from persistent storage using lfs_file_read
-        uint16_t parameters[8] = {11, 19, 6, 314, 218, 15, 229, 313};
+        uint16_t parameters[8] = {0, 2, 0, 314, 223, 5, 224, 314};
 #elif defined(WT32_SC01)
         uint16_t parameters[8] = {0, 2, 0, 479, 319, 0, 319, 479};
 #elif defined(T_HMI)
@@ -324,7 +324,7 @@ template <class LGFX> void LGFXDriver<LGFX>::init_lgfx(void)
 #elif defined(SENSECAP_INDICATOR)
         uint16_t parameters[8] = {23, 3, 0, 479, 476, 2, 475, 479};
 #else
-        uint16_t parameters[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+        uint16_t parameters[8] = {0, 0, 0, 319, 239, 0, 239, 319};
         ILOG_WARN("Touch screen has no calibration data!!!");
 #endif
 

include/LogMessage.h

@@ -0,0 +1,66 @@
+#pragma once
+
+#include "ILogEntry.h"
+#include <assert.h>
+#include <ctime>
+#include <memory.h>
+
+constexpr uint32_t messagePayloadSize = 233;
+
+/**
+ * @brief Header for storing message logs containing the actual size of the payload
+ * Note: this struct does have vtable pointers, i.e. sizeof(LogMessageHeader)-8 is the real data size
+ */
+struct LogMessageHeader : public ILogEntry {
+    uint16_t _size;
+    time_t time;
+    uint32_t from;
+    uint32_t to;
+    uint8_t ch;
+    enum MsgStatus : uint8_t { eNone, eDefault, eHeard, eNoResponse, eAcked, eFailed, eDeleted, eUnread } status;
+    bool trashFlag;
+    uint32_t reserved;
+};
+
+/**
+ * @brief Structure for storing message logs containing the actual payload
+ */
+struct LogMessage : public LogMessageHeader {
+    uint8_t bytes[messagePayloadSize];
+};
+
+/**
+ * Log message envelope that implements the actual interface for ILogEntry
+ * (size, serialize and deserialize)
+ */
+class LogMessageEnv : public LogMessage
+{
+  public:
+    LogMessageEnv(void) = default;
+    LogMessageEnv(uint32_t _from, uint32_t _to, uint16_t _ch, time_t _time, MsgStatus _status, bool _trashFlag, uint32_t _len,
+                  const uint8_t *msg)
+    {
+        assert(_len < messagePayloadSize);
+        _size = (uint16_t)_len;
+        time = _time;
+        from = _from;
+        to = _to;
+        ch = _ch;
+        status = _status;
+        trashFlag = _trashFlag;
+        reserved = 0;
+        memcpy(bytes, msg, _len);
+    }
+
+    size_t size(void) const override { return sizeof(LogMessageHeader) - 8 + _size; }
+
+    virtual size_t serialize(std::function<size_t(const uint8_t *, size_t)> write) const override
+    {
+        return write((uint8_t *)&_size, sizeof(LogMessageHeader) - 8) + write(bytes, _size);
+    }
+
+    virtual size_t deserialize(std::function<size_t(uint8_t *, size_t)> read) override
+    {
+        return read((uint8_t *)&_size, sizeof(LogMessageHeader) - 8) + read(bytes, _size);
+    }
+};

include/LogRotate.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include "FS.h"
+#include "ILogEntry.h"
+#include <stdint.h>
+
+/**
+ * Generic LogRotate class that writes log-rotation like files into (arduino) FS storage file system
+ * @param fs arduino file system FS/LittleFS or derived classes
+ * @param logDir directory to store the logs (absolute path)
+ * @param maxLen the maximum length of the variable log entry length
+ * The maximum storage is limited by:
+ * @param maxSize the total storage in bytes (default is 200kB)
+ * @param maxFiles number of log files (default is 50)
+ * @param maxFileSize per log file (default size is 4000 bytes to fit into a physical block
+ *                    including fs descriptor data)
+ *
+ * If the maximum storage is exceeded then old files are deleted to fit the new log entry.
+ * Note: for performance reasons the logs are not renumbered
+ */
+class LogRotate
+{
+  public:
+    LogRotate(fs::FS &fs, const char *logDir, uint32_t maxLen,
+              uint32_t maxSize = 102400, uint32_t maxFiles = 25, uint32_t maxFileSize = 4000);
+              //uint32_t maxSize = 4096, uint32_t maxFiles = 10, uint32_t maxFileSize = 400);
+
+    // initialize the log directory
+    void init(void);
+    // write a log entry to fs
+    bool write(const ILogEntry &entry);
+    // read the next log entry from fs
+    bool readNext(ILogEntry &entry);
+    // remove all logs from fs
+    bool clear(void);
+    // request log count
+    uint32_t count(void);
+    // request current log number
+    uint32_t current(void);
+
+  private:
+    LogRotate(const LogRotate &) = delete;
+    LogRotate &operator=(const LogRotate &) = delete;
+
+    // create filename from number
+    String logFileName(uint32_t num);
+    // remove oldest log and return freed size
+    size_t removeLog(void);
+    // scan all files in logdir to get min/max log
+    void scanLogDir(uint32_t &num, uint32_t &minLog, uint32_t &maxLog, uint32_t &size, uint32_t &total);
+
+    const uint32_t c_maxLen;      // maximum size a single log entry could be
+    const uint32_t c_maxSize;     // max storage size in bytes (default is 100kB)
+    const uint32_t c_maxFiles;    // max log files number (default is 50)
+    const uint32_t c_maxFileSize; // max file size per log file
+
+    fs::FS &_fs;
+    File rootDir;             // directory (for reading logs)
+    File currentFile;         // current file (when reading)
+    String rootDirName;       // path of log directory
+    String currentLogName;    // current log file name (when writing)
+    uint32_t numFiles;        // number of log files
+    uint32_t minLogNum;       // logfile with smallest number
+    uint32_t maxLogNum;       // logfile with largest number after init()
+    uint32_t currentLogRead;  // current log number (when reading)
+    uint32_t currentLogWrite; // current log number (when writing)
+    uint32_t currentSize;     // size of current written log file
+    uint32_t totalSize;       // size of all logs
+};

include/MeshtasticView.h

@@ -2,6 +2,7 @@
 
 #include "DeviceGUI.h"
 #include "DisplayDriverConfig.h"
+#include "LogMessage.h"
 #include "ResponseHandler.h"
 #include "lvgl.h"
 #include "mesh-pb-constants.h"
@@ -47,7 +48,7 @@ class MeshtasticView : public DeviceGUI
     };
 
     // methods to update view
-    virtual void setupUIConfig(const meshtastic_DeviceUIConfig& uiconfig) {}
+    virtual void setupUIConfig(const meshtastic_DeviceUIConfig &uiconfig) {}
     virtual void setMyInfo(uint32_t nodeNum);
     virtual void setDeviceMetaData(int hw_model, const char *version, bool has_bluetooth, bool has_wifi, bool has_eth,
                                    bool can_shutdown);
@@ -57,7 +58,7 @@ class MeshtasticView : public DeviceGUI
     virtual void addNode(uint32_t nodeNum, uint8_t channel, const char *userShort, const char *userLong, uint32_t lastHeard,
                          eRole role, bool hasKey, bool viaMqtt);
     virtual void updateNode(uint32_t nodeNum, uint8_t channel, const char *userShort, const char *userLong, uint32_t lastHeard,
-                            eRole role,  bool hasKey, bool viaMqtt);
+                            eRole role, bool hasKey, bool viaMqtt);
     virtual void updatePosition(uint32_t nodeNum, int32_t lat, int32_t lon, int32_t alt, uint32_t sats, uint32_t precision);
     virtual void updateMetrics(uint32_t nodeNum, uint32_t bat_level, float voltage, float chUtil, float airUtil);
     virtual void updateEnvironmentMetrics(uint32_t nodeNum, const meshtastic_EnvironmentMetrics &metrics) {}
@@ -102,7 +103,10 @@ class MeshtasticView : public DeviceGUI
     virtual void handleResponse(uint32_t from, uint32_t id, const meshtastic_RouteDiscovery &route) {}
     virtual void handlePositionResponse(uint32_t from, uint32_t request_id, int32_t rx_rssi, float rx_snr, bool isNeighbor) {}
     virtual void packetReceived(const meshtastic_MeshPacket &p);
-    virtual void newMessage(uint32_t from, uint32_t to, uint8_t ch, const char *msg);
+    virtual void newMessage(uint32_t from, uint32_t to, uint8_t ch, const char *msg, uint32_t &msgtime, bool restore = false) {}
+    virtual void restoreMessage(const LogMessage &msg) {}
+    virtual void notifyRestoreMessages(int32_t percentage) {}
+    virtual void notifyMessagesRestored(void) {}
     virtual void notifyResync(bool show);
     virtual void notifyReboot(bool show);
     virtual void notifyShutdown(void);