Fixes and improvements: LVGL, services and kernel symbols (#587)

Modules/lvgl-module/include/lvgl/module.h

@@ -40,8 +40,7 @@ struct LvglModuleConfig {
 
 /**
  * @brief Configures the LVGL module.
- *
- * @warning This must be called before starting the module.
+ * @warning Must not be called when module is started.
  * @param config The configuration to apply.
  */
 void lvgl_module_configure(struct LvglModuleConfig config);

Modules/lvgl-module/source/arch/lvgl_esp32.c

@@ -6,8 +6,11 @@
 #include <lvgl/lvgl.h>
 #include <lvgl/module.h>
 #include <tactility/error.h>
+#include <tactility/log.h>
 #include <tactility/time.h>
 
+#define TAG "lvgl_esp32"
+
 extern struct LvglModuleConfig lvgl_module_config;
 extern void lvgl_devices_attach();
 extern void lvgl_devices_detach();
@@ -67,7 +70,6 @@ error_t lvgl_arch_stop() {
     }
 
     initialized = false;
-
     return ERROR_NONE;
 }
 

Modules/lvgl-module/source/module.c

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 #include <lvgl/module.h>
 #include <string.h>
+#include <tactility/check.h>
 #include <tactility/module.h>
 #include <lvgl/lvgl.h>
 
@@ -22,8 +23,9 @@ struct LvglModuleConfig lvgl_module_config = {
 };
 
 void lvgl_module_configure(const struct LvglModuleConfig config) {
+    check(!is_running);
+    lvgl_module_config = config;
     is_configured = true;
-    memcpy(&lvgl_module_config, &config, sizeof(struct LvglModuleConfig));
 }
 
 static error_t start() {