Start of rewrite

Based on lockpick_rcm 1.9.0

source/gfx/gfxutils.c

@@ -0,0 +1,23 @@
+#include "gfx.h"
+#include "gfxutils.h"
+#include <power/max17050.h>
+
+void gfx_clearscreen(){
+    int battery = 0;
+    max17050_get_property(MAX17050_RepSOC, &battery);
+
+    //gfx_clear_grey(0x1B);
+    gfx_boxGrey(0, 16, 1279, 703, 0x1b);
+    SETCOLOR(COLOR_DEFAULT, COLOR_WHITE);
+
+    gfx_boxGrey(0, 703, 1279, 719, 0xFF);
+    gfx_boxGrey(0, 0, 1279, 15, 0xFF);
+    gfx_con_setpos(0, 0);
+    gfx_printf("Tegraexplorer Rewrite | Battery: %3d%%\n", battery >> 8);
+
+    RESETCOLOR;
+}
+
+u32 FromRGBtoU32(u8 r, u8 g, u8 b){
+    return 0xFF000000 | r << 16 | g << 8 | b;
+}