122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
//###########################################################################
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//
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// FILE: F2837xD_PieCtrl.c
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//
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// TITLE: F2837xD Device PIE Control Register Initialization Functions.
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//
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//###########################################################################
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//
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// $Release Date: $
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// $Copyright:
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// Copyright (C) 2013-2023 Texas Instruments Incorporated - http://www.ti.com/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//###########################################################################
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//
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// Included Files
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//
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#include "F2837xD_device.h" // F2837xD Headerfile Include File
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#include "F2837xD_Examples.h" // F2837xD Examples Include File
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//
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// InitPieCtrl - This function initializes the PIE control registers to a
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// known state.
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//
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void InitPieCtrl(void)
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{
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//
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// Disable Interrupts at the CPU level:
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//
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DINT;
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//
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// Disable the PIE
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//
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PieCtrlRegs.PIECTRL.bit.ENPIE = 0;
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//
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// Clear all PIEIER registers:
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//
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PieCtrlRegs.PIEIER1.all = 0;
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PieCtrlRegs.PIEIER2.all = 0;
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PieCtrlRegs.PIEIER3.all = 0;
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PieCtrlRegs.PIEIER4.all = 0;
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PieCtrlRegs.PIEIER5.all = 0;
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PieCtrlRegs.PIEIER6.all = 0;
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PieCtrlRegs.PIEIER7.all = 0;
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PieCtrlRegs.PIEIER8.all = 0;
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PieCtrlRegs.PIEIER9.all = 0;
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PieCtrlRegs.PIEIER10.all = 0;
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PieCtrlRegs.PIEIER11.all = 0;
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PieCtrlRegs.PIEIER12.all = 0;
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//
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// Clear all PIEIFR registers:
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//
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PieCtrlRegs.PIEIFR1.all = 0;
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PieCtrlRegs.PIEIFR2.all = 0;
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PieCtrlRegs.PIEIFR3.all = 0;
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PieCtrlRegs.PIEIFR4.all = 0;
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PieCtrlRegs.PIEIFR5.all = 0;
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PieCtrlRegs.PIEIFR6.all = 0;
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PieCtrlRegs.PIEIFR7.all = 0;
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PieCtrlRegs.PIEIFR8.all = 0;
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PieCtrlRegs.PIEIFR9.all = 0;
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PieCtrlRegs.PIEIFR10.all = 0;
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PieCtrlRegs.PIEIFR11.all = 0;
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PieCtrlRegs.PIEIFR12.all = 0;
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}
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//
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// EnableInterrupts - This function enables the PIE module and CPU __interrupts
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//
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void EnableInterrupts()
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{
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//
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// Enable the PIE
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//
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PieCtrlRegs.PIECTRL.bit.ENPIE = 1;
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//
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// Enables PIE to drive a pulse into the CPU
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//
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PieCtrlRegs.PIEACK.all = 0xFFFF;
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//
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// Enable Interrupts at the CPU level
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//
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EINT;
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}
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//
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// End of file
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//
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