piectrl_prog.c

来自「DSP2812 GPIO口读数的工程文件」· C语言 代码 · 共 49 行

//============================================================================
#include	"stdio.h"
#include	"stdlib.h"
#include	"math.h"
#include	"DSP281x_Device.h"

//============================================================================
// This function initializes the PIE control registers to a known state.
void InitPieCtrl(void)
{
	// Disable PIE:
	PieCtrlRegs.PIECRTL.bit.ENPIE = 0;

	// Clear all PIEIER registers:

	PieCtrlRegs.PIEIER1.all = 0; 
	PieCtrlRegs.PIEIER2.all = 0;
	PieCtrlRegs.PIEIER3.all = 0;
	PieCtrlRegs.PIEIER4.all = 0;
	PieCtrlRegs.PIEIER5.all = 0;
	PieCtrlRegs.PIEIER6.all = 0;
	PieCtrlRegs.PIEIER7.all = 0;
	PieCtrlRegs.PIEIER8.all = 0;
	PieCtrlRegs.PIEIER9.all = 0;	
	PieCtrlRegs.PIEIER10.all = 0;
	PieCtrlRegs.PIEIER11.all = 0;
	PieCtrlRegs.PIEIER12.all = 0;

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

	// Enable PIE:
	PieCtrlRegs.PIECRTL.bit.ENPIE = 0x1;
	PieCtrlRegs.PIEACK.all = 0xFFFF;
}	

/*########################### No more.########################*/