da5628.c

我用ARM写的一些东西

#include "config.h"

//#define DA_DAT	1<<17 //p1.17
//#define DA_CLK	1<<19  //p1.19


void S(void);
//extern uint8  MSPI_SendData(uint8 data);
extern uint8  Hc595Dat;

//sbit DA_LD	=P1^3;  LD 和LC是由595产生的



//0 0/DRDY (0); RS2 (0); RS1 (0); RS0 (0); R/W  (0); StBY (0); CH1 (0); CH0 (0);0x00
//1 MD1 (0)   ; MD0 (0); G2  (0); G1  (0); G0  (0); B/U  (0); BUF (0); FSYNC(1); 0x01
//2 ZERO (0) ZERO (0) ZERO (0) DA_CLKDIS (0) DA_CLKDIV (0) DA_CLK (1) FS1 (0) FS0 (1)

void S(void)
{

 Hc595Dat=1;

}
/*void Set5628Ld(uint8 LD) 
{
	if(LD==1)
	{
		//Hc595Dat=Hc595Dat|0x20;
		IO0SET=DA_CLK;
	}
	else
	{
		//Hc595Dat=Hc595Dat&0xdf;
	}
	//MSPI_SendData(Hc595Dat);
}


/*void da_5628(unsigned char channel,unsigned char num)
{
	unsigned char i,j;
	IO1SET=DA_CLK;
	j=channel&0x04;
	if(j!=0)         //SEND A2
	{
		IO1SET =	DA_DAT;
	}
	else
		IO1CLR = DA_DAT;
	 
	IO1CLR = DA_CLK;
	IO1CLR = DA_CLK;
	IO1SET = DA_CLK;

	j=channel&0x02;
	if(j!=0)         //SEND A1
	{
		IO1SET =	DA_DAT;
	}
	else
		IO1CLR = DA_DAT;
	 
	IO1CLR = DA_CLK;
	IO1CLR = DA_CLK;
	IO1SET = DA_CLK;

	j=channel&0x01;
	if(j!=0)         //SEND A0
	{
		IO1SET =	DA_DAT;
	}
	else
		IO1CLR = DA_DAT;
	 
	IO1CLR = DA_CLK;
	IO1CLR = DA_CLK;
	IO1SET = DA_CLK;


	IO1CLR = DA_DAT;  //SEND RNG
	IO1CLR = DA_CLK;
	IO1CLR = DA_CLK;
	IO1SET = DA_CLK;

	for (i=0x10;i>0;i=i>>1)
	{
	   	j=num&i;
	   	   
		if(j!=0)         //SEND A0
		{
			IO1SET =	DA_DAT;
		}
		else
			IO1CLR = DA_DAT;
		
		IO1CLR = DA_CLK;
		IO1CLR = DA_CLK;
		IO1SET = DA_CLK;
	 }
	 
	IO1SET = DA_CLK;

	Set5628Ld(0);//LD=0
	Set5628Ld(0);//LD=0
	Set5628Ld(1);//LD=1

}*/