1 /*
2  * Copyright (c) 2006-2021, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2021-05-07     Meco Man     first Version
9  */
10 
11 #ifndef __DELAY_H__
12 #define __DELAY_H__
13 
14 unsigned int sleep(unsigned int seconds);
15 void msleep(unsigned int msecs);
16 void ssleep(unsigned int seconds);
17 void mdelay(unsigned long msecs);
18 void udelay(unsigned long usecs);
19 void ndelay(unsigned long nsecs);
20 
21 #endif
22