adding dependencies

libopencm3/tests/gadget-zero/delay.h

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2017 Karl Palsson <karlp@tweak.net.au>
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+	/**
+	 * Initialize the timers used for delays.
+	 */
+	void delay_setup(void);
+
+	/**
+	 * busy wait for a number of usecs.
+	 * @param us number of usecs to delay.
+	 */
+	void delay_us(uint16_t us);
+
+#ifdef __cplusplus
+}
+#endif