//###########################################################################
//
// FILE:   f28004x_piectrl.c
//
// TITLE:  f28004x Device PIE Control Register Initialization Functions.
//
//###########################################################################
//
//
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//###########################################################################

//
// Included Files
//
#include "f28004x_device.h"      // f28004x Headerfile Include File
#include "f28004x_examples.h"    // f28004x Examples Include File

//
// InitPieCtrl - This function initializes the PIE control registers
// to a known state.
//
void
InitPieCtrl(void)
{
    //
    // Disable Interrupts at the CPU level:
    //
    DINT;

    //
    // Disable the PIE
    //
    PieCtrlRegs.PIECTRL.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;
}

//
// EnableInterrupts - This function enables the PIE module and CPU __interrupts
//
void
EnableInterrupts()
{
    //
    // Enable the PIE
    //
    PieCtrlRegs.PIECTRL.bit.ENPIE = 1;

    //
    // Enables PIE to drive a pulse into the CPU
    //
    PieCtrlRegs.PIEACK.all = 0xFFFF;

    //
    // Enable Interrupts at the CPU level
    //
    EINT;
}

//
// End of file.
//

