TLC5620的C語言源程序

//DA TLC5620
#include <reg52.h>
#include <stdio.h>
#include <absacc.h>
#define uCHAR unsigned CHAR
#define uint unsigned int

sbit dacload=P1^0;
sbit dacclk=P1^1;
sbit dacdata=P1^2;

void delay1(uCHAR x);
void writedac(uCHAR x);
void dacck(void);

void delay1(uCHAR x) {
uCHAR i;
for(i=0;i<x;i );
}

void dacck(void) {
dacclk=1; delay1(2);
dacclk=0; delay1(2);
}

void writedac(uCHAR x)
{ uCHAR i;
ch=x; dacload=1;
dacdata=0; dacck(); dacdata=0; dacck(); dacdata=1; dacck();
for (i=0; i<8; i ) { ch=ch<<1; dacdata=CY; dacck(); }
dacload=0; delay1(2); dacload=1; delay1(2);