#include?“Hal_delay/delay.h“

static?uint8_t??facUs=0;																		//us延時倍乘數
static?uint16_t?facMs=0;																		//ms延時倍乘數
/**
*?@brief??滴答定時器初始化：選擇時鐘源，確定微秒延時和毫秒延時的計數次數
*?@param??SYSCLK，系統時鐘，舉例：傳入72則表示系統時鐘是72MHZ
*?@return?none
*/
void?delayInit（uint8_t?SYSCLK）
{
????SysTick_CLKSourceConfig（SysTick_CLKSource_HCLK_Div8）;	//選擇外部時鐘HCLK/8
????facUs=SYSCLK/8;?//硬件分頻fac_us得出的值要給下面的時鐘函數使用
????facMs?=（u16）facUs*1000;
}
/**
*?@brief??延時us
*?@param??nus：延時多少us
*?@return?none
*/
void?delayUs（uint32_t?nus）
{
????uint32_t?temp;??
????SysTick->LOAD?=?nus*facUs;??//延時10us10*9?=?90裝到load寄存器中
????SysTick->VAL=0x00;//計數器清0
????SysTick->CTRL?=?0x01;//配置異常生效也就是計數器倒數到0時發出異常通知
????do??
????{??
?????????temp?=?SysTick->CTRL;//時間到該位將被硬件置1但被查詢后自動清0
????}??
????while（temp?&?0x01?&&?!（temp?&（1<<16）））;//查詢
????SysTick->CTRL?=?0x00;//關閉定時器
????SysTick->VAL?=?0x00;//清空val清空定時器
}

/**
*?@brief??延時x毫秒，x需要小于1864.135毫秒
*?@param??nms：延時多少毫秒
*?@return?none
*/
void?delayXMs（uint16_t?nms）
{
????uint32_t?temp;??
????SysTick->LOAD?=?nms*facMs;//延時10ms10*9?=?90裝到load寄存器中
????SysTick->VAL=0x00;//計數器清0
????SysTick->CTRL?=?0x01;//配置異常生效也就是計數器倒數到0時發出異常通知
????do??
????{??
?????????temp?=?SysTick->CTRL;//時間到該位將被硬件置1但被查詢后自動清0
????}??
????while（temp?&?0x01?&&?!（temp?&（1<<16）））;//查詢

????SysTick->CTRL?=?0x00;//關閉定時器
????SysTick->VAL?=?0x00;//清空val清空定時器
}
/**
*?@brief??延時x毫秒，可任意延時，延時采用分份延時
*?@param??nms：延時多少毫秒
*?@return?none
*/
void?delayMs（uint16_t?nms）
{	?	?
??u8?repeat=nms/500;		//500ms為1份，求商，求出要延時多少份500ms	
??u16?remain=nms%500;???//取余數，求出不足500ms的毫秒延時是多少
??while（repeat）?????????//判斷是否不為0，如果不為0，則條件成立
??{
????delayXMs（500）;??????//延時500ms
????repeat--;???????????//份數減1
??}
??if（remain）????????????//不足500ms
????delayXMs（remain）;???//單獨延時
}?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\
?????目錄???????????0??2017-12-27?14:14??按鍵長短按實驗\Hal\
?????目錄???????????0??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_Led\
?????文件????????2878??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_Led\Hal_Led.c
?????文件?????????248??2017-12-13?15:49??按鍵長短按實驗\Hal\Hal_Led\Hal_Led.h
?????目錄???????????0??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_delay\
?????文件????????2476??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_delay\delay.c
?????文件?????????174??2017-11-20?14:56??按鍵長短按實驗\Hal\Hal_delay\delay.h
?????目錄???????????0??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_key\
?????文件????????9748??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_key\hal_key.c
?????文件????????1895??2017-12-27?14:15??按鍵長短按實驗\Hal\Hal_key\hal_key.h
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\CoreSupport\
?????文件???????16489??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\CoreSupport\core_cm3.c
?????文件???????83896??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\CoreSupport\core_cm3.h
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\
?????文件???????26014??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\Release_Notes.html
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\
?????目錄???????????0??2017-12-27?13:51??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\
?????文件???????12131??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_cl.s
?????文件???????12123??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_hd.s
?????文件???????11788??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_hd_vl.s
?????文件????????9479??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_ld.s
?????文件????????9883??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_ld_vl.s
?????文件????????9912??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_md.s
?????文件???????10349??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_md_vl.s
?????文件???????12785??2017-09-21?11:23??按鍵長短按實驗\Lib\CMSIS\CM3\DeviceSupport\ST\STM32F10x\startup\TrueSTUDIO\startup_stm32f10x_xl.s
............此處省略249個文件信息