2.4Gwifi发.zip

#include “app_delay.h“
#include “stm32f0xx.h“



static uint8_t  fac_us=0;
static uint16_t fac_ms=0;

void delay_init（uint8_t SYSCLK）
{


	SysTick->CTRL=SysTick_CLKSource_HCLK_Div8;	
	fac_us=SYSCLK/8;	
	fac_ms=（uint16_t）fac_us*1000;

}								    

		    								   
void delay_us（uint32_t nus）
{		
	uint32_t temp;	    	 
	SysTick->LOAD=nus*fac_us; 		 
	SysTick->VAL=0x00;       
	SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk ;          
	do
	{
		temp=SysTick->CTRL;
	}
	while（temp&0x01&&!（temp&（1<<16）））;
	SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;       
	SysTick->VAL =0X00;      
}

void delay_ms（uint32_t nms）
{	 		  	  
	uint32_t temp;		   
	SysTick->LOAD=（uint32_t）nms*fac_ms;
	SysTick->VAL =0x00;          
	SysTick->CTRL|=0x01 ;           
	do
	{
		temp=SysTick->CTRL;
	}
	while（temp&0x01&&!（temp&（1<<16）））;//??????   
	SysTick->CTRL=0x00;       //?????
	SysTick->VAL =0X00;       //?????	  	    
} 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-04-13 21:10  2.4Gwifi发
     目录           0  2020-04-13 21:10  2.4Gwifi发APP
     文件         953  2017-07-14 14:10  2.4Gwifi发APPapp_delay.c
     文件         201  2017-05-02 09:01  2.4Gwifi发APPapp_delay.h
     文件        6007  2017-07-14 12:26  2.4Gwifi发APPapp_nrf24l01.c
     文件        4194  2017-07-14 09:21  2.4Gwifi发APPapp_nrf24l01.h
     文件        1124  2017-07-10 21:41  2.4Gwifi发APPapp_spi.c
     文件         161  2017-07-11 08:32  2.4Gwifi发APPapp_spi.h
     目录           0  2020-04-13 21:10  2.4Gwifi发BSP
     文件        5751  2017-07-14 12:07  2.4Gwifi发BSPsp.c
     文件        4158  2017-07-11 20:39  2.4Gwifi发BSPsp.h
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSIS
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDevice
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceST
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceSTSTM32F0xx
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceSTSTM32F0xxInclude
     文件      462563  2017-07-09 09:42  2.4Gwifi发CMSISDeviceSTSTM32F0xxIncludestm32f0xx.h
     文件      462509  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxIncludestm32f0xx.h~RF9777f.TMP
     文件        2223  2017-04-10 19:50  2.4Gwifi发CMSISDeviceSTSTM32F0xxIncludesystem_stm32f0xx.h
     文件       45805  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxRelease_Notes.html
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceSTSTM32F0xxSource
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplates
     目录           0  2020-04-13 21:10  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarm
     文件       10677  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f030.s
     文件       10953  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f030xc.s
     文件       10476  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f031.s
     文件       11304  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f042.s
     文件       11312  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f051.s
     文件       10639  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f070x6.s
     文件       11130  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f070xb.s
     文件       11772  2014-12-04 17:34  2.4Gwifi发CMSISDeviceSTSTM32F0xxSourceTemplatesarmstartup_stm32f072.s
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