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+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_WAIT_API_H
+#define MBED_WAIT_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Generic wait functions.
+ *
+ * These provide simple NOP type wait capabilities.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * DigitalOut heartbeat(LED1);
+ *
+ * int main() {
+ *     while (1) {
+ *         heartbeat = 1;
+ *         wait(0.5);
+ *         heartbeat = 0;
+ *         wait(0.5);
+ *     }
+ * }
+ */
+
+/** Waits for a number of seconds, with microsecond resolution (within
+ *  the accuracy of single precision floating point).
+ *
+ *  @param s number of seconds to wait
+ */
+void wait(float s);
+
+/** Waits a number of milliseconds.
+ *
+ *  @param ms the whole number of milliseconds to wait
+ */
+void wait_ms(int ms);
+
+/** Waits a number of microseconds.
+ *
+ *  @param us the whole number of microseconds to wait
+ */
+void wait_us(int us);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif