#include?“delay.h“

?static?__IO?uint32_t?TimingDelay;
/***************************************************************************
*函數(shù)名：SysTick_Init（）
*參數(shù)：void
*返回值:void
*功能：系統(tǒng)節(jié)拍時(shí)鐘初始化函數(shù)
*****************************************************************************/
void?SysTick_Init（void）
{
	?/****************************************
	?*SystemFrequency/1000??????1ms中斷一次??*
	?*SystemFrequency/100000????10us中斷一次?*
	?*SystemFrequency/1000000???1us中斷一次??*
	?*****************************************/
????while（SysTick_Config（SystemCoreClock/1000000）!=0）;????//設(shè)置系統(tǒng)節(jié)拍時(shí)鐘為1us中斷一次
	
	/*附加筆記：
	SysTick_Config（uint32_t?ticks）函數(shù)為core_cm4.h中定義的設(shè)置節(jié)拍時(shí)鐘的函數(shù)，當(dāng)設(shè)置成功時(shí)，返回0，失敗返回1
	*/
}
/***************************************************************************
*函數(shù)名：TimeTick_Decrement（）
*參數(shù)：void
*返回值:void
*功能：系統(tǒng)節(jié)拍時(shí)鐘中斷計(jì)數(shù)，給系統(tǒng)節(jié)拍中斷函數(shù)調(diào)用
*****************************************************************************/?
void?TimeTick_Decrement（void）
{
??if?（TimingDelay?!=?0x00）
??{?
????TimingDelay--;
??}
}
/***************************************************************************
*函數(shù)名：delay_nus（）
*參數(shù)：u32?n??時(shí)鐘延時(shí)的微秒數(shù)
*返回值:void
*功能：使用系統(tǒng)節(jié)拍時(shí)鐘精準(zhǔn)延時(shí)n個(gè)微秒函數(shù)
*****************************************************************************/
void?delay_us（u32?n）
{
	TimingDelay=n;
	while（TimingDelay!=0）;
}
?/***************************************************************************
*函數(shù)名：delay_1ms（）
*參數(shù)：void
*返回值:void
*功能：使用系統(tǒng)節(jié)拍時(shí)鐘精準(zhǔn)延時(shí)1個(gè)毫秒函數(shù)
*****************************************************************************/
void?delay_1ms（void）
{
????TimingDelay=1000;
	while（TimingDelay!=0）;
}
/***************************************************************************
*函數(shù)名：delay_nms（）
*參數(shù)：u32?n??時(shí)鐘延時(shí)的毫秒數(shù)
*返回值:void
*功能：系統(tǒng)節(jié)拍時(shí)鐘初始化函數(shù)
*****************************************************************************/
void?delay_ms（u32?n）
{
??while（n--）delay_1ms（）;
}

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

?????文件????????617??2012-10-20?23:10??SY-STM32F407?V2例程：OV7670攝像頭例程\readme.txt

?????文件???????2122??2012-10-09?19:07??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\delay\delay.c

?????文件???????1185??2012-10-09?19:07??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\delay\delay.h

?????文件??????42249??2012-03-22?18:07??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\lcd\fonts.h

?????文件??????33587??2012-10-09?16:59??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\lcd\glcd.c

?????文件??????13599??2012-10-09?16:58??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\lcd\glcd.h

?????文件??????14401??2012-10-09?19:09??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\lcd\lcd.c

?????文件???????1697??2012-03-22?20:08??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\lcd\lcd.h

?????文件???????1192??2012-10-20?23:14??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\led\led.c

?????文件????????321??2012-10-20?23:14??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\led\led.h

?????文件???????9412??2012-10-09?20:14??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\ov7670\ov7670.c

?????文件???????4108??2012-10-09?19:32??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\ov7670\ov7670.h

?????文件???????4516??2012-10-19?23:02??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\usart\usart.c

?????文件???????1376??2012-04-15?22:26??SY-STM32F407?V2例程：OV7670攝像頭例程\Hardware\usart\usart.h

?????文件???????1120??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\arm_common_tables.h

?????文件?????240326??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\arm_math.h

?????文件??????79281??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\core_cm4.h

?????文件??????23979??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\core_cm4_simd.h

?????文件??????15691??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\core_cmFunc.h

?????文件??????16108??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\core_cmInstr.h

?????文件?????530693??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\stm32f4xx.h

?????文件???????2096??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\inc\system_stm32f4xx.h

?????文件??????21738??2012-10-20?23:06??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\CMSIS\src\system_stm32f4xx.c

?????文件??????44944??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\Release_Notes.html

?????文件???????6792??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\misc.h

?????文件??????32417??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\stm32f4xx_adc.h

?????文件??????27186??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\stm32f4xx_can.h

?????文件???????2284??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\stm32f4xx_crc.h

?????文件??????12528??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\stm32f4xx_cryp.h

?????文件??????14814??2011-10-28?10:31??SY-STM32F407?V2例程：OV7670攝像頭例程\Libraries\FWlib\inc\stm32f4xx_dac.h

............此處省略94個(gè)文件信息