#include?“DSP2833x_Device.h“?????//?DSP2833x?Headerfile?Include?File
#include?“DSP2833x_Examples.h“???//?DSP2833x?Examples?Include?File
#define?N?4

void?InitSpiGpioAD7606（）;
void?SPI_Init（）;
void?InitAD7606Gpio（）;
__interrupt?void?BUSY_isr（void）;
void?StartAD7606（void）;
void?delay（）;
void?Xsend（void）;
void?Xread（void）;
void?Xswitch（void）;
float?rdata[N];
float?rdata1[N];

int?ji;

int?main（）
{
	InitSysCtrl（）;
	InitSpiGpioAD7606（）;
	InitAD7606Gpio（）;

	DINT;
	IER?=?0x0000;
	IFR?=?0x0000;

	InitPieCtrl（）;
	InitPieVectTable（）;

	EALLOW;?????????????//?修改被保護(hù)的寄存器，修改前應(yīng)添加EALLOW語(yǔ)句
	PieVectTable.XINT2?=?&BUSY_isr;
	EDIS;???????????????//?EDIS的意思是不允許修改被保護(hù)的寄存器


	SPI_Init（）;
	StartAD7606（）;

????PieCtrlRegs.PIECTRL.bit.ENPIE?=?1;??????//?使能外設(shè)中斷擴(kuò)展PIE模塊
????PieCtrlRegs.PIEIER1.bit.INTx5?=?1;??????//?使能PIE組1的INT4
????IER?|=?M_INT1;
????EINT;
????ERTM;


	for（;;）
	{

		Xsend（）;

		while（SpiaRegs.SPIFFRX.bit.RXFFST?		}

		Xread（）;
		Xswitch（）;

		delay（）;
		delay（）;
		GpioDataRegs.GPBDAT.bit.GPIO57?=?1;
		GpioDataRegs.GPADAT.bit.GPIO4?=?1;

	}
}

void?InitSpiGpioAD7606（）
{
	EALLOW;

	GpioCtrlRegs.GPBPUD.bit.GPIO55?=?0;
????GpioCtrlRegs.GPBPUD.bit.GPIO56?=?0;

????GpioCtrlRegs.GPBQSEL2.bit.GPIO55?=?3;
????GpioCtrlRegs.GPBQSEL2.bit.GPIO56?=?3;

????GpioCtrlRegs.GPBMUX2.bit.GPIO55?=?1;?//?Configure?GPIO55?as?SPISOMIA
????GpioCtrlRegs.GPBMUX2.bit.GPIO56?=?1;?//?Configure?GPIO56?as?SPICLKA
????GpioCtrlRegs.GPBMUX2.bit.GPIO57?=?0;

//????GpioCtrlRegs.GPBDIR.bit.GPIO55?=?0;
//????GpioCtrlRegs.GPBDIR.bit.GPIO56?=?1;
????GpioCtrlRegs.GPBDIR.bit.GPIO57?=?1;

????//GpioDataRegs.GPBDAT.bit.GPIO57?=?0;

????EDIS;
}

void?InitAD7606Gpio（）
{
	EALLOW;

//	GpioCtrlRegs.GPAMUX1.bit.GPIO0?=?0;
	GpioCtrlRegs.GPAMUX1.bit.GPIO2?=?0;
	GpioCtrlRegs.GPAMUX1.bit.GPIO4?=?0;

//	Gpi