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-rw-r--r--components/libc/compilers/common/delay.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/components/libc/compilers/common/delay.h b/components/libc/compilers/common/delay.h
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+++ b/components/libc/compilers/common/delay.h
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+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2021-05-07 Meco Man first Version
+ */
+#ifndef __DELAY_H__
+#define __DELAY_H__
+
+void msleep(unsigned int msecs);
+void ssleep(unsigned int seconds);
+void mdelay(unsigned long msecs);
+void udelay(unsigned long usecs);
+void ndelay(unsigned long nsecs);
+
+#endif