cs5463的pic初始化程序.c

cs5463的pic初始化程序,对cs5463进行初始化

#include <pic.h>
//#include <P16F877A.H>
#define PORTAIT(adr,bit) ((unsigned)(&adr)*8+(bit))	//*绝对寻址位操作指令*/
static 	int table[3]={0xee,0xee,0xee};
void 	SPIINIT()
{
	PIR1=0;				//*清除SPI中断标志*/
    SSPCON=0x22;		    	//* SSPEN=1；CKP=0 ， FOSC/4 */
	SSPSTAT=0xC0;
	TRISC=0X10;		        //*SDO引脚为输出，SDI脚输入，SCK引脚为输出*/
	PIE1=0X08;
}

void  SPISEND(int data)
{
	SSPBUF=data;			//*启动发送*/
	do
	{
		;
	}while(SSPIF==0);	        //*等待发送完毕*/
	SSPIF=0;			//*清除SSPIF标志*/
//table[0]=SSPBUF;
}

void  SPIREAD()
{
	//TRISC=0X30;		        //*SDO引脚为输出，SDI脚输入，SCK引脚为输出*/
	SPISEND(0x00);
	table[0]=SSPBUF;
	SPISEND(0x00);
	table[1]=SSPBUF;
	SPISEND(0x00);
	table[2]=SSPBUF;
	//TRISC=0X10;		        //*SDO引脚为输出，SDI脚输入，SCK引脚为输出*/
}

void		initial()
{
	TRISA=0x00;			 //*A口设置为输出*/
	INTCON=0x00;			//*关闭所有中断*/
	PORTA=0X17;                     //*使复位无效*/
}

void cs5463init()
{
PORTA=0X07;
PORTA=0X07;
PORTA=0X17;
PORTA=0X16;				//选通A相芯片
PORTA=0X06;
#asm
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
#endasm
PORTA=0X16;				
SPISEND(0xff);
SPISEND(0xff);
SPISEND(0xff);
SPISEND(0xfe);				//发初始化序列
SPISEND(0x5e);
SPISEND(0x80);
SPISEND(0x00);
SPISEND(0x00);				//清除状态寄存器DRDY等功能
SPISEND(0x40);
SPISEND(0x00);
SPISEND(0x00);
SPISEND(0x01);				//设定K=1等
SPISEND(0x4a);
SPISEND(0x00);
SPISEND(0x0f);
SPISEND(0xa0);				//设定N=4000
SPISEND(0x74);
SPISEND(0x00);
SPISEND(0x00);
SPISEND(0x00);				//写屏蔽寄存器，不激活INT脚等功能
SPISEND(0x64);
SPISEND(0x00);
SPISEND(0x00);
SPISEND(0x01);				//写操作模式寄存器，激活在线频率测量等功能
SPISEND(0xe8);
PORTA=0x17;					//取消选通A相芯片
}

void main (void)
{
unsigned char data;
unsigned char address;
initial();				    //*系统初始化*/
SPIINIT();
cs5463init();
PORTA=0X16;                                
；
；			
；                                        //读寄存器
}