108 lines
4.3 KiB
C
108 lines
4.3 KiB
C
/****************************************************************************************
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| Description: demo program interrupt vectors source file
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| File Name: vectors.c
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|----------------------------------------------------------------------------------------
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| C O P Y R I G H T
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|----------------------------------------------------------------------------------------
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| Copyright (c) 2011 by Feaser http://www.feaser.com All rights reserved
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|----------------------------------------------------------------------------------------
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| L I C E N S E
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| This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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| modify it under the terms of the GNU General Public License as published by the Free
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| Software Foundation, either version 3 of the License, or (at your option) any later
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| version.
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| OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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| without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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| PURPOSE. See the GNU General Public License for more details.
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| You should have received a copy of the GNU General Public License along with OpenBLT.
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| If not, see <http://www.gnu.org/licenses/>.
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| A special exception to the GPL is included to allow you to distribute a combined work
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| that includes OpenBLT without being obliged to provide the source code for any
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| proprietary components. The exception text is included at the bottom of the license
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| file <license.html>.
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****************************************************************************************/
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/****************************************************************************************
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* Include files
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****************************************************************************************/
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#include "header.h" /* generic header */
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/****************************************************************************************
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* Function prototypes
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****************************************************************************************/
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void __attribute__ ((interrupt("IRQ"))) TIMER0_ISR(void);
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void __attribute__ ((interrupt("SWI"))) SWI_ISR(void);
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void __attribute__ ((interrupt("FIQ"))) FIQ_ISR(void);
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void __attribute__ ((interrupt("UNDEF"))) UNDEF_ISR(void);
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/****************************************************************************************
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** NAME: TIMER0_ISR
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** PARAMETER: none
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** RETURN VALUE: none
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** DESCRIPTION: Timer0 exception routine.
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**
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****************************************************************************************/
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void TIMER0_ISR(void)
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{
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/* clear the interrupt flag */
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T0IR = 0x01;
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/* acknowledge interrupt */
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VICVectAddr = 0;
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/* process time tick */
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TimerUpdate();
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} /*** end of TIMER0_ISR ***/
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/****************************************************************************************
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** NAME: SWI_ISR
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** PARAMETER: none
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** RETURN VALUE: none
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** DESCRIPTION: SWI exception routine.
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**
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****************************************************************************************/
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void SWI_ISR(void)
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{
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/* unexpected interrupt so halt program */
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for (;;) { ; }
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} /*** end of SWI_ISR ***/
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/****************************************************************************************
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** NAME: FIQ_ISR
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** PARAMETER: none
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** RETURN VALUE: none
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** DESCRIPTION: FIQ exception routine.
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**
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****************************************************************************************/
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void FIQ_ISR(void)
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{
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/* unexpected interrupt so halt program */
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for (;;) { ; }
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} /*** end of FIQ_ISR ***/
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/****************************************************************************************
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** NAME: UNDEF_ISR
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** PARAMETER: none
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** RETURN VALUE: none
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** DESCRIPTION: UNDEF exception routine.
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**
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****************************************************************************************/
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void UNDEF_ISR(void)
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{
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/* unexpected interrupt so halt program */
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for (;;) { ; }
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} /*** end of UNDEF_ISR ***/
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/*********************************** end of vectors.c **********************************/
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