50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/******************** (C) COPYRIGHT 2020 GEEKIMU *******************************
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* File Name : delay.h
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* Current Version : V2.0 & ST 3.5.0
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* Author : zhanli 719901725@qq.com & JustFeng.
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* Date of Issued : 2015.5.15 zhanli : Create
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* Comments : STM32系列延时函数
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********************************************************************************/
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#ifndef _DELAY_H_
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#define _DELAY_H_
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#include <stdint.h>
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/**----------------------------------------------------------------------
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* Function : Delay_Init
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* Author : zhanli&719901725@qq.com
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* Description : 初始化延时函数（不支持ucos）
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* Date : 2015/2/13 zhanli
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*---------------------------------------------------------------------**/
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void Delay_Init(void);
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/**----------------------------------------------------------------------
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* Function : Delay_DeInit
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* Author : zhanli&719901725@qq.com
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* Description : 重新初始化延时函数（不支持ucos）
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* Date : 2015/2/13 zhanli
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*---------------------------------------------------------------------**/
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void Delay_DeInit(void);
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/**----------------------------------------------------------------------
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* Function : Delay_Ms(uint32_t ms)
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* Description : 延时n毫秒，对于延时的取值不能大于1864.SysTick->LOAD为
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24位寄存器,所以,最大延时为:
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nms <= 0xffffff * 8 * 1000 / SYSCLK; SYSCLK单位为Hz,nms单
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位为ms.对应72M条件下最大延时,nms<=1864nms。
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* Author : zhanli&719901725@qq.com
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* Date : 2015/2/13 zhanli
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*---------------------------------------------------------------------**/
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void Delay_Ms(uint32_t ms);
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/**----------------------------------------------------------------------
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* Function : Delay_Us(uint32_t nus)
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* Description : 延时n微秒，对于延时的取值不能大于1864us
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* Author : zhanli&719901725@qq.com
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* Date : 2015/2/13 zhanli
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*---------------------------------------------------------------------**/
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void Delay_Us(uint32_t nus);
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#endif /* _DELAY_H_ */
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