28335sci中断接收

#include "DSP2833x_Device.h"     // DSP2833x Headerfile Include File

#include "DSP2833x_Examples.h"   // DSP2833x Examples Include File

void Init_Gpio(void)

{  EALLOW;

GpioCtrlRegs.GPAMUX1.all=0x0000;

GpioCtrlRegs.GPADIR.all=0xffff;

EDIS;

}

interrupt void Scib_init(void)

{  GpioDataRegs.GPADAT.all=ScicRegs.SCIRXBUF.all;

PieCtrlRegs.PIEACK.all=PIEACK_GROUP8;

}

void Init_Sci(void)

{

EALLOW;

InitSysCtrl();

InitSciGpio();

InitPieCtrl();

EDIS;

EALLOW;

ScicRegs.SCIHBAUD=0x01;

ScicRegs.SCILBAUD=0xe7;

ScicRegs.SCICCR.bit.SCICHAR=7;

ScicRegs.SCICCR.bit.STOPBITS=0;

ScicRegs.SCICCR.bit.PARITYENA=0;

ScicRegs.SCICTL1.bit.RXENA=1;

ScicRegs.SCICTL2.bit.RXBKINTENA=1;

PieVectTable.SCIRXINTC=&Scib_init;

ScicRegs.SCICTL1.bit.SWRESET=1;

EDIS;

DINT;

IER=0x0000;

IFR=0x0000;

PieCtrlRegs.PIECTRL.bit.ENPIE=1;

PieCtrlRegs.PIEIER8.bit.INTx5=1;

IER|=M_INT8;

EINT;

ERTM;

}

void main(void)

{  Init_Gpio();

Init_Sci();

GpioDataRegs.GPADAT.all=0xffff;

while(1);

}