28335 sci fifo send

#include "DSP2833x_Device.h"
#include "DSP2833x_Examples.h"
char buf[]={0x30,0x32,0x34,0x35,0x67,0x23,0x45,0x56,0x30,0x32,0x34,0x35,0x67,0x23,0x45,0x56};
void delay(void)
{
long int i,j;
 for(j=0;j<2550;j++)
  for(i=0;i<2550;i++);
}
interrupt void send(void)
{
 int i;
 for(i=0;i<12;i++)
 {
  ScibRegs.SCITXBUF=buf[i];
 }
// ScibRegs.SCIFFTX.bit.TXFFINTCLR=1; //如果在发送中断里清发送中断标志，则会一直不停地发送
 PieCtrlRegs.PIEACK.all=0xffff;  
}

void init(void)
{
 InitSysCtrl();
 InitScibGpio();
 ScibRegs.SCICCR.bit.PARITY=0;
 ScibRegs.SCICCR.bit.SCICHAR=7;
 ScibRegs.SCICCR.bit.STOPBITS=0;
 ScibRegs.SCIHBAUD=0x01;
 ScibRegs.SCILBAUD=0xE7;
 ScibRegs.SCICTL1.bit.TXENA=1;
 ScibRegs.SCIFFTX.bit.SCIFFENA=1;
 ScibRegs.SCIFFTX.bit.TXFFST=8;
 ScibRegs.SCICTL1.bit.TXENA=1;
 ScibRegs.SCIFFTX.bit.TXFFIENA=1;
 ScibRegs.SCICTL1.bit.SWRESET=1;
 DINT;
 IER=0;
 IFR=0;
 InitPieCtrl();
 InitPieVectTable();
 PieCtrlRegs.PIEIER9.bit.INTx4=1; 
 PieCtrlRegs.PIECTRL.bit.ENPIE = 1;
 EALLOW;
 PieVectTable.SCITXINTB=&send;
 EDIS;
 IER=M_INT9;
 EINT;
}

int main(void)
{
 init();
  ScibRegs.SCIFFTX.bit.TXFFINTCLR=1;  // 很重要 若不清fifo发送中断标志则，不进入发送中断

while(1)
 {
  ScibRegs.SCIFFTX.bit.TXFFINTCLR=1;
  delay();
 }
 return 0;
}