Module improvements: lvgl, gps, crypt (#585)

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

@@ -1,21 +1,13 @@
 // SPDX-License-Identifier: Apache-2.0
 #pragma once
 
-/**
- * @file lvgl_module.h
- * @brief LVGL module for Tactility.
- *
- * This module manages the lifecycle of the LVGL library, including initialization,
- * task management, and thread-safety.
- */
+#include <stdint.h>
+#include <stdbool.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#include <stdint.h>
-#include <stdbool.h>
-
 /** Affects LVGL widget style */
 enum UiDensity {
     /** Ideal for very small non-touch screen devices (e.g. Waveshare S3 LCD 1.3") */
@@ -24,47 +16,6 @@ enum UiDensity {
     LVGL_UI_DENSITY_DEFAULT
 };
 
-/**
- * @brief The LVGL module instance.
- */
-extern struct Module lvgl_module;
-
-/**
- * @brief Configuration for the LVGL module.
- */
-struct LvglModuleConfig {
-    /**
-     * @brief Callback invoked when the LVGL task starts.
-     * Use this to add devices (e.g. displays, pointers), start services, create widgets, etc.
-     */
-    void (*on_start)(void);
-
-    /**
-     * @brief Callback invoked when the LVGL task stops.
-     * Use this to remove devices, stop services, etc.
-     */
-    void (*on_stop)(void);
-
-    /** @brief Priority of the LVGL task. */
-    int task_priority;
-
-    /** @brief Stack size of the LVGL task in bytes. */
-    int task_stack_size;
-
-#ifdef ESP_PLATFORM
-    /** @brief CPU affinity of the LVGL task (ESP32 specific). */
-    int task_affinity;
-#endif
-};
-
-/**
- * @brief Configures the LVGL module.
- *
- * @warning This must be called before starting the module.
- * @param config The configuration to apply.
- */
-void lvgl_module_configure(struct LvglModuleConfig config);
-
 /**
  * @brief Locks the LVGL mutex.
  *

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

@@ -1,10 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 #pragma once
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -13,6 +9,10 @@ extern "C" {
 #include <tactility/device.h>
 #include <tactility/error.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * @brief Configuration for binding a kernel DisplayApi device to an lv_display_t.
  */

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

@@ -14,17 +14,17 @@ enum LvglFontSize {
     FONT_SIZE_LARGE,
 };
 
-const lv_font_t* lvgl_get_shared_icon_font();
-uint32_t lvgl_get_shared_icon_font_height();
+const lv_font_t* lvgl_get_shared_icon_font(void);
+uint32_t lvgl_get_shared_icon_font_height(void);
 
 const lv_font_t* lvgl_get_text_font(enum LvglFontSize font_size);
 uint32_t lvgl_get_text_font_height(enum LvglFontSize font_size);
 
-const lv_font_t* lvgl_get_launcher_icon_font();
-uint32_t lvgl_get_launcher_icon_font_height();
+const lv_font_t* lvgl_get_launcher_icon_font(void);
+uint32_t lvgl_get_launcher_icon_font_height(void);
 
-const lv_font_t* lvgl_get_statusbar_icon_font();
-uint32_t lvgl_get_statusbar_icon_font_height();
+const lv_font_t* lvgl_get_statusbar_icon_font(void);
+uint32_t lvgl_get_statusbar_icon_font_height(void);
 
 #ifdef __cplusplus
 }

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

@@ -1,15 +1,15 @@
 // SPDX-License-Identifier: Apache-2.0
 #pragma once
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #include <lvgl.h>
 
 #include <tactility/device.h>
 #include <tactility/error.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * @brief Creates an lv_indev_t bound to the given KEYBOARD_TYPE device and registers a read callback
  * that polls the device through its KeyboardApi.

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

@@ -1,15 +1,18 @@
 // SPDX-License-Identifier: Apache-2.0
 #pragma once
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #include <lvgl.h>
 
 #include <tactility/device.h>
 #include <tactility/error.h>
 
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * @brief Linear per-axis calibration range for raw pointer coordinates.
  *

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

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: Apache-2.0
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief The LVGL module instance.
+ */
+extern struct Module lvgl_module;
+
+/**
+ * @brief Configuration for the LVGL module.
+ */
+struct LvglModuleConfig {
+    /**
+     * @brief Callback invoked when the LVGL task starts.
+     * Use this to add devices (e.g. displays, pointers), start services, create widgets, etc.
+     */
+    void (*on_start)(void);
+
+    /**
+     * @brief Callback invoked when the LVGL task stops.
+     * Use this to remove devices, stop services, etc.
+     */
+    void (*on_stop)(void);
+
+    /** @brief Priority of the LVGL task. */
+    int task_priority;
+
+    /** @brief Stack size of the LVGL task in bytes. */
+    int task_stack_size;
+
+#ifdef ESP_PLATFORM
+    /** @brief CPU affinity of the LVGL task (ESP32 specific). */
+    int task_affinity;
+#endif
+};
+
+/**
+ * @brief Configures the LVGL module.
+ *
+ * @warning This must be called before starting the module.
+ * @param config The configuration to apply.
+ */
+void lvgl_module_configure(struct LvglModuleConfig config);
+
+#ifdef __cplusplus
+}
+#endif