LCD version of the Mandelbrot example

This version is the ASCII one but uses the LCD display
that is attached to the board for a more colorful result.

This example also zooms into a more "interesting" place in the set so
the display stays interesting during the full 100 generations.

examples/stm32/f4/stm32f429i-discovery/mandelbrot-lcd/clock.h

@@ -0,0 +1,27 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2014-2015 Chuck McManis <cmcmanis@mcmanis.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * clock functions
+ */
+
+extern void clock_setup(void);
+extern void msleep(uint32_t);
+extern uint32_t mtime(void);
+