f2812_piectrl.c

TMS320F2812串行口通信程序－采用循环缓冲区方式

#include "F2812_PIECtrl.h"
//---------------------------------------------------------------------------
// InitPieCtrl: 
//---------------------------------------------------------------------------
// This function initializes the PIE control registers to a known state.
//
void PIECtrlInit(void)
{
	// Disable PIE:
	PieCtrl.PIECRTL.bit.ENPIE = 0;	// Diable PIE module

	// Clear all PIEIER registers:
//	PieCtrl.PIEIER1.all = 0x28;     // enable  ADCINT & XINT1
//	PieCtrl.PIEIER2.all = 0x08;
	PieCtrl.PIEIER1.all = 0;
	PieCtrl.PIEIER2.all = 0;
	PieCtrl.PIEIER3.all = 0;	
	PieCtrl.PIEIER4.all = 0;
	PieCtrl.PIEIER5.all = 0;
	PieCtrl.PIEIER6.all = 0;
	PieCtrl.PIEIER7.all = 0;
	PieCtrl.PIEIER8.all = 0;
	PieCtrl.PIEIER9.all = 0;
	PieCtrl.PIEIER10.all = 0;
	PieCtrl.PIEIER11.all = 0;
	PieCtrl.PIEIER12.all = 0;

	// Clear all PIEIFR registers:
	PieCtrl.PIEIFR1.all = 0;
	PieCtrl.PIEIFR2.all = 0;
	PieCtrl.PIEIFR3.all = 0;	
	PieCtrl.PIEIFR4.all = 0;
	PieCtrl.PIEIFR5.all = 0;
	PieCtrl.PIEIFR6.all = 0;
	PieCtrl.PIEIFR7.all = 0;
	PieCtrl.PIEIFR8.all = 0;
	PieCtrl.PIEIFR9.all = 0;
	PieCtrl.PIEIFR10.all = 0;
	PieCtrl.PIEIFR11.all = 0;
	PieCtrl.PIEIFR12.all = 0;

	// Enable PIE:
	PieCtrl.PIECRTL.bit.ENPIE = 1;	// Enable PIE module
 	PieCtrl.PIEACK.all = 0xFFFF;	// PIEACK = 0x0000
}