Added liblvgl to example project, updated template

EZ-Template-Example-Project/include/EZ-Template/PID.hpp

@@ -243,6 +243,11 @@ class PID {
    */
   bool i_reset_get();
 
+  /**
+   * Resets all timers for exit conditions.
+   */
+  void timers_reset();
+
   /**
    * PID variables.
    */
@@ -263,7 +268,7 @@ class PID {
   int i = 0, j = 0, k = 0, l = 0, m = 0;
   bool is_mA = false;
   double second_sensor = 0.0;
-  void timers_reset();
+
   std::string name;
   bool name_active = false;
   void exit_condition_print(ez::exit_output exit_type);

EZ-Template-Example-Project/include/liblvgl/core/lv_disp.h

@@ -0,0 +1,264 @@
+/**
+ * @file lv_disp.h
+ *
+ */
+
+#ifndef LV_DISP_H
+#define LV_DISP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "liblvgl/hal/lv_hal.h"
+#include "lv_obj.h"
+#include "lv_theme.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+typedef enum {
+    LV_SCR_LOAD_ANIM_NONE,
+    LV_SCR_LOAD_ANIM_OVER_LEFT,
+    LV_SCR_LOAD_ANIM_OVER_RIGHT,
+    LV_SCR_LOAD_ANIM_OVER_TOP,
+    LV_SCR_LOAD_ANIM_OVER_BOTTOM,
+    LV_SCR_LOAD_ANIM_MOVE_LEFT,
+    LV_SCR_LOAD_ANIM_MOVE_RIGHT,
+    LV_SCR_LOAD_ANIM_MOVE_TOP,
+    LV_SCR_LOAD_ANIM_MOVE_BOTTOM,
+    LV_SCR_LOAD_ANIM_FADE_IN,
+    LV_SCR_LOAD_ANIM_FADE_ON = LV_SCR_LOAD_ANIM_FADE_IN, /*For backward compatibility*/
+    LV_SCR_LOAD_ANIM_FADE_OUT,
+    LV_SCR_LOAD_ANIM_OUT_LEFT,
+    LV_SCR_LOAD_ANIM_OUT_RIGHT,
+    LV_SCR_LOAD_ANIM_OUT_TOP,
+    LV_SCR_LOAD_ANIM_OUT_BOTTOM,
+} lv_scr_load_anim_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Return with a pointer to the active screen
+ * @param disp pointer to display which active screen should be get. (NULL to use the default
+ * screen)
+ * @return pointer to the active screen object (loaded by 'lv_scr_load()')
+ */
+lv_obj_t * lv_disp_get_scr_act(lv_disp_t * disp);
+
+/**
+ * Return with a pointer to the previous screen. Only used during screen transitions.
+ * @param disp pointer to display which previous screen should be get. (NULL to use the default
+ * screen)
+ * @return pointer to the previous screen object or NULL if not used now
+ */
+lv_obj_t * lv_disp_get_scr_prev(lv_disp_t * disp);
+
+/**
+ * Make a screen active
+ * @param scr pointer to a screen
+ */
+void lv_disp_load_scr(lv_obj_t * scr);
+
+/**
+ * Return with the top layer. (Same on every screen and it is above the normal screen layer)
+ * @param disp pointer to display which top layer should be get. (NULL to use the default screen)
+ * @return pointer to the top layer object (transparent screen sized lv_obj)
+ */
+lv_obj_t * lv_disp_get_layer_top(lv_disp_t * disp);
+
+/**
+ * Return with the sys. layer. (Same on every screen and it is above the normal screen and the top
+ * layer)
+ * @param disp pointer to display which sys. layer should be retrieved. (NULL to use the default screen)
+ * @return pointer to the sys layer object (transparent screen sized lv_obj)
+ */
+lv_obj_t * lv_disp_get_layer_sys(lv_disp_t * disp);
+
+/**
+ * Set the theme of a display
+ * @param disp pointer to a display
+ */
+void lv_disp_set_theme(lv_disp_t * disp, lv_theme_t * th);
+
+/**
+ * Get the theme of a display
+ * @param disp pointer to a display
+ * @return the display's theme (can be NULL)
+ */
+lv_theme_t * lv_disp_get_theme(lv_disp_t * disp);
+
+/**
+ * Set the background color of a display
+ * @param disp pointer to a display
+ * @param color color of the background
+ */
+void lv_disp_set_bg_color(lv_disp_t * disp, lv_color_t color);
+
+/**
+ * Set the background image of a display
+ * @param disp pointer to a display
+ * @param img_src path to file or pointer to an `lv_img_dsc_t` variable
+ */
+void lv_disp_set_bg_image(lv_disp_t * disp, const void  * img_src);
+
+/**
+ * Set opacity of the background
+ * @param disp pointer to a display
+ * @param opa opacity (0..255)
+ */
+void lv_disp_set_bg_opa(lv_disp_t * disp, lv_opa_t opa);
+
+/**
+ * Switch screen with animation
+ * @param scr pointer to the new screen to load
+ * @param anim_type type of the animation from `lv_scr_load_anim_t`, e.g. `LV_SCR_LOAD_ANIM_MOVE_LEFT`
+ * @param time time of the animation
+ * @param delay delay before the transition
+ * @param auto_del true: automatically delete the old screen
+ */
+void lv_scr_load_anim(lv_obj_t * scr, lv_scr_load_anim_t anim_type, uint32_t time, uint32_t delay, bool auto_del);
+
+/**
+ * Get elapsed time since last user activity on a display (e.g. click)
+ * @param disp pointer to a display (NULL to get the overall smallest inactivity)
+ * @return elapsed ticks (milliseconds) since the last activity
+ */
+uint32_t lv_disp_get_inactive_time(const lv_disp_t * disp);
+
+/**
+ * Manually trigger an activity on a display
+ * @param disp pointer to a display (NULL to use the default display)
+ */
+void lv_disp_trig_activity(lv_disp_t * disp);
+
+/**
+ * Clean any CPU cache that is related to the display.
+ * @param disp pointer to a display (NULL to use the default display)
+ */
+void lv_disp_clean_dcache(lv_disp_t * disp);
+
+/**
+ * Temporarily enable and disable the invalidation of the display.
+ * @param disp pointer to a display (NULL to use the default display)
+ * @param en true: enable invalidation; false: invalidation
+ */
+void lv_disp_enable_invalidation(lv_disp_t * disp, bool en);
+
+/**
+ * Get display invalidation is enabled.
+ * @param disp pointer to a display (NULL to use the default display)
+ * @return return true if invalidation is enabled
+ */
+bool lv_disp_is_invalidation_enabled(lv_disp_t * disp);
+
+/**
+ * Get a pointer to the screen refresher timer to
+ * modify its parameters with `lv_timer_...` functions.
+ * @param disp pointer to a display
+ * @return pointer to the display refresher timer. (NULL on error)
+ */
+lv_timer_t * _lv_disp_get_refr_timer(lv_disp_t * disp);
+
+/*------------------------------------------------
+ * To improve backward compatibility
+ * Recommended only if you have one display
+ *------------------------------------------------*/
+
+/**
+ * Get the active screen of the default display
+ * @return pointer to the active screen
+ */
+static inline lv_obj_t * lv_scr_act(void)
+{
+    return lv_disp_get_scr_act(lv_disp_get_default());
+}
+
+/**
+ * Get the top layer  of the default display
+ * @return pointer to the top layer
+ */
+static inline lv_obj_t * lv_layer_top(void)
+{
+    return lv_disp_get_layer_top(lv_disp_get_default());
+}
+
+/**
+ * Get the active screen of the default display
+ * @return  pointer to the sys layer
+ */
+static inline lv_obj_t * lv_layer_sys(void)
+{
+    return lv_disp_get_layer_sys(lv_disp_get_default());
+}
+
+static inline void lv_scr_load(lv_obj_t * scr)
+{
+    lv_disp_load_scr(scr);
+}
+
+/**********************
+ *      MACROS
+ **********************/
+
+/*------------------------------------------------
+ * To improve backward compatibility
+ * Recommended only if you have one display
+ *------------------------------------------------*/
+
+#ifndef LV_HOR_RES
+/**
+ * The horizontal resolution of the currently active display.
+ */
+#define LV_HOR_RES lv_disp_get_hor_res(lv_disp_get_default())
+#endif
+
+#ifndef LV_VER_RES
+/**
+ * The vertical resolution of the currently active display.
+ */
+#define LV_VER_RES lv_disp_get_ver_res(lv_disp_get_default())
+#endif
+
+/**
+ * Scale the given number of pixels (a distance or size) relative to a 160 DPI display
+ * considering the DPI of the default display.
+ * It ensures that e.g. `lv_dpx(100)` will have the same physical size regardless to the
+ * DPI of the display.
+ * @param n     the number of pixels to scale
+ * @return      `n x current_dpi/160`
+ */
+static inline lv_coord_t lv_dpx(lv_coord_t n)
+{
+    return LV_DPX(n);
+}
+
+/**
+ * Scale the given number of pixels (a distance or size) relative to a 160 DPI display
+ * considering the DPI of the given display.
+ * It ensures that e.g. `lv_dpx(100)` will have the same physical size regardless to the
+ * DPI of the display.
+ * @param obj   a display whose dpi should be considered
+ * @param n     the number of pixels to scale
+ * @return      `n x current_dpi/160`
+ */
+static inline lv_coord_t lv_disp_dpx(const lv_disp_t * disp, lv_coord_t n)
+{
+    return _LV_DPX_CALC(lv_disp_get_dpi(disp), n);
+}
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_DISP_H*/