Fonts work (mostly)

Core/Inc/graphics/display.h

@@ -0,0 +1,28 @@
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+#include "main.h"
+
+#define DISPLAY_WIDTH 240
+#define DISPLAY_HEIGHT 320
+
+typedef uint16_t rgb565_pixel_t;
+
+
+
+#define PIXEL_RED(p)   (((p) >> 11) & 0x1F)
+#define PIXEL_GREEN(p) (((p) >> 5)  & 0x3F)
+#define PIXEL_BLUE(p)  ((p) & 0x1F)
+
+#define MAKE_PIXEL(r,g,b) \
+    (((r & 0x1F) << 11) | ((g & 0x3F) << 5) | (b & 0x1F))
+
+
+extern volatile rgb565_pixel_t framebuffer[DISPLAY_HEIGHT * DISPLAY_WIDTH];
+extern volatile uint32_t times_changed;
+
+
+void DisplayTest(uint16_t color);
+
+
+#endif