study_env.c

c编写的嵌入式程序源码

/*************************************************************
// 环境自学习程序模块
*************************************************************/
#include "common.h"

extern struct EnvStudy study;
extern struct Acquired getdata;
extern struct Flag fla;

void Study_Env(void)
{
	int i;
    for (i = 0; i < 10000; i++)
    delay();
	int Study_Num;
    for(Study_Num = 0; Study_Num < Study_Time; Study_Num++)
	{
		while(fla.Get_Flag == 0){}						//学习环境磁场
		if(Study_Num == 0)
		study.Ever_Env=(double)getdata.Avalue[0];
		else
		study.Ever_Env=(study.Ever_Env + (double)getdata.Avalue[0])/2;
		fla.Get_Flag = 0;
	}	
	On_Led2();				//学习完毕后，点亮LED2，熄灭LED1 
	Off_Led1();
	T1CONbits.TON = 1;
}