#include?“delay.h“

static?int8_t??fac_us=0;//us
static?int16_t?fac_ms=0;//ms

void?delay_init（）	?
{
	//SysTick_CLKSourceConfig（SysTick_CLKSource_HCLK_Div8）;//選擇外部時(shí)鐘??HCLK/8??
	SysTick_CLKSourceConfig（SysTick_CLKSource_HCLK）;//選擇外部時(shí)鐘??HCLK/8
	fac_us=SystemCoreClock/8000000;	//為系統(tǒng)時(shí)鐘的1/8??
	fac_ms=（int16_t）fac_us*1000;//每個(gè)ms需要的systick時(shí)鐘數(shù)???
}	
//延時(shí)Nus
void?delay_us（int32_t?nus）
{		
	int32_t?temp;	????	?
	SysTick->LOAD=nus*fac_us;?//時(shí)間加載	??		?
	SysTick->VAL=0x00;????????//清空計(jì)數(shù)器
	SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk?;??????????//開始倒數(shù)	?
	do
	{
		temp=SysTick->CTRL;
	}
	while（temp&0x01&&!（temp&（1<<16）））;//等待時(shí)間到達(dá)???
	SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;???????//關(guān)閉計(jì)數(shù)器
	SysTick->VAL?=0X00;???????//清空計(jì)數(shù)器	?
}
//延時(shí)Nms

void?delay_ms（int16_t?nms）
{	?		??	??
	int32_t?temp;		???
	SysTick->LOAD=（int32_t）nms*fac_ms;//時(shí)間加載（SysTick->LOAD為24bit）
	SysTick->VAL?=0x00;???????????//清空計(jì)數(shù)器
	SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk?;??????????//開始倒數(shù)??
	do
	{
		temp=SysTick->CTRL;
	}
	while（temp&0x01&&!（temp&（1<<16）））;//等待時(shí)間到達(dá)???
	SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;???????//關(guān)閉計(jì)數(shù)器
	SysTick->VAL?=0X00;???????//清空計(jì)數(shù)器	??	????
}?

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1256??2018-04-06?13:09??果園室外報(bào)警器\drive\delay.c

?????文件????????154??2013-12-22?00:26??果園室外報(bào)警器\drive\delay.h

?????文件???????3884??2018-03-12?13:54??果園室外報(bào)警器\drive\flash.c

?????文件???????1679??2018-03-12?13:55??果園室外報(bào)警器\drive\flash.h

?????文件????????977??2018-04-06?08:42??果園室外報(bào)警器\drive\led.c

?????文件????????106??2018-04-03?15:05??果園室外報(bào)警器\drive\led.h

?????文件????????791??2018-04-04?16:27??果園室外報(bào)警器\drive\sim800c.c

?????文件????????154??2018-04-04?16:26??果園室外報(bào)警器\drive\SIM800C.h

?????文件???????1539??2018-04-11?16:48??果園室外報(bào)警器\drive\time.c

?????文件????????186??2018-04-07?15:55??果園室外報(bào)警器\drive\time.h

?????文件???????5624??2018-04-11?16:48??果園室外報(bào)警器\drive\uart.c

?????文件????????537??2018-04-09?16:15??果園室外報(bào)警器\drive\uart.h

?????文件???????4548??2018-04-06?16:36??果園室外報(bào)警器\drive\新建文件夾\uart.c

?????文件????????596??2018-04-06?13:52??果園室外報(bào)警器\drive\新建文件夾\uart.h

?????文件??????34702??2018-03-29?13:43??果園室外報(bào)警器\GSM-01.SCH

?????文件??????37892??2018-03-29?13:43??果園室外報(bào)警器\GSM-02.SCH

?????文件??????24914??2013-10-11?21:57??果園室外報(bào)警器\lib\CMSIS\CMSIS?END?USER?LICENCE?AGREEMENT.pdf

?????文件?????243068??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Include\stm32f0xx.h

?????文件???????2221??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Include\system_stm32f0xx.h

?????文件??????26975??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Release_Notes.html

?????文件???????9869??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f030x6.s

?????文件??????10705??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f030x8.s

?????文件??????10714??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f0xx.s

?????文件???????9878??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f0xx_ld.s

?????文件???????8682??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\gcc_ride7\startup_stm32f0xx.s

?????文件???????8037??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\gcc_ride7\startup_stm32f0xx_ld.s

?????文件?????????64??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\gcc_ride7\vssver.scc

?????文件??????10074??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\iar\startup_stm32f030x6.s

?????文件??????11342??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\iar\startup_stm32f030x8.s

?????文件??????11351??2013-10-11?21:58??果園室外報(bào)警器\lib\CMSIS\Device\ST\STM32F0xx\Source\Templates\iar\startup_stm32f0xx.s

............此處省略189個(gè)文件信息