delay.c

12位11通道AD转换芯片tlv2553,12位双通道DA转换芯片tlv5638

#include "group.h"

//-----------------------------------------------
extern void delay(unsigned int i)                  //延时
{     
	    while(i--);
}
//------------------------------------------
extern void delay5ms(void)
 {
    unsigned int i = 5552;
	while(i--);
 }

//长延时
extern void delay400ms(void)
 {
	unsigned char i = 5;
	unsigned int j;
	while(i--)
	{
		//j=7269; //400Ms
        j=1817;   //100Ms
		while(j--);
	};
 }