ads1286.c

来自「ti公司的高速AD驱动以及用1602液晶显示的源代码」· C语言 代码 · 共 47 行

#include<c8051f020.h>
#define uchar unsigned char
#define uint  unsigned int
#define ulong  unsigned long

sbit DCLOCK=P0^4;
sbit dout=P0^2;
sbit CS= P0^0;
extern delay(uint t1,t2);
extern delay1(uint j);
uint receive_word(void)
{
 
	uchar i;
    uint	result=0;
	
	DCLOCK=0;
    CS=0;
	delay(1,1);
	DCLOCK=1;
	delay(1,1);
	DCLOCK=0;
	delay(1,1);

	DCLOCK=1;
	delay(1,1);
    DCLOCK=0;
	delay(1,1);
	for(i=0;i<12;i++)
	   {
	   		DCLOCK=1;
	        delay(1,1);	    
	        DCLOCK=0;
			delay(1,1);
			if(dout)  result|=0x0800>>i;
			delay(1,1);
			
				
	   }

	   CS=1;
	   delay(1,1);
	   return(result);


}