WIP

Core/Src/graphics/display.c

@@ -0,0 +1,4 @@
+#include "display.h"
+
+__attribute__((section(".sdram")))
+volatile pixel_t framebuffer[DISPLAY_HEIGHT * DISPLAY_WIDTH];

Core/Src/graphics/fonts/font.c

@@ -17,6 +17,7 @@ static uint16_t find_glyph_id_in_cmap(const lv_font_fmt_txt_cmap_t * cmap, uint3
     return 0;
 }
 
+
 bool lv_font_get_glyph_dsc_fmt_txt(const lv_font_t * font, lv_font_fmt_txt_glyph_dsc_t * dsc_out, uint32_t character)
 {
     lv_font_fmt_txt_dsc_t *font_dsc = (lv_font_fmt_txt_dsc_t *) font->dsc;
@@ -32,9 +33,10 @@ bool lv_font_get_glyph_dsc_fmt_txt(const lv_font_t * font, lv_font_fmt_txt_glyph
     return false;
 }
 
+// Left as a dummy definition for LVGL font compatibility.
+// We're not processing the bitmaps with draw buffers like LVGL does.
 const void * lv_font_get_bitmap_fmt_txt(lv_font_fmt_txt_glyph_dsc_t * g_dsc, lv_draw_buf_t * draw_buf)
 {
-
 }
 
 /**

Core/Src/graphics/fonts/roboto_bold_font.c

@@ -0,0 +1,7 @@
+#include "fonts/roboto_bold_font.h"
+
+// This file exists solely to include the font header in its own translation unit
+// so that the static font_dsc variable doesn't conflict with other fonts.
+// The font pointer (roboto_bold_font) is defined in the header and exported
+// for use in other translation units.
+

Core/Src/graphics/fonts/roboto_bold_large_font.c

@@ -0,0 +1,7 @@
+#include "fonts/roboto_bold_large_font.h"
+
+// This file exists solely to include the font header in its own translation unit
+// so that the static font_dsc variable doesn't conflict with other fonts.
+// The font pointer (roboto_bold_large_font) is defined in the header and exported
+// for use in other translation units.
+

Core/Src/graphics/graphics.c

@@ -1,15 +1,7 @@
-#include "display.h"
-#include "stm32f4xx_hal_ltdc.h"
+#include "graphics.h"
 
-__attribute__((section(".sdram")))
-volatile rgb565_pixel_t framebuffer[DISPLAY_HEIGHT * DISPLAY_WIDTH];
-
-__attribute__((section(".sdram")))
-volatile uint32_t times_changed;
-
-void DisplayTest(uint16_t color)
+void DisplayTest(pixel_t color)
 {
-    times_changed++;
     for (uint16_t h = 0; h < DISPLAY_HEIGHT; h++)
     {
         for (uint16_t w = 0; w < DISPLAY_WIDTH; w++)
@@ -18,4 +10,18 @@ void DisplayTest(uint16_t color)
         }
     }
 
+}
+
+void DrawBox(uint32_t topleft_x_loc, uint32_t topleft_y_loc, uint32_t height, uint32_t width, pixel_t color)
+{
+    for (uint32_t y = topleft_y_loc; y < (topleft_y_loc + height); y++)
+    {
+        for (uint32_t x = topleft_x_loc; x < (topleft_x_loc + width); x++)
+        {
+            if (x < DISPLAY_WIDTH && y < DISPLAY_HEIGHT)
+            {
+                framebuffer[(y * DISPLAY_WIDTH) + x] = color;
+            }
+        }
+    }
 }

Core/Src/graphics/menu.c

@@ -0,0 +1,6 @@
+#include "menu.h"
+
+void draw_menu(graphical_menu_t *menu)
+{
+
+}