/*This file is prepared for Doxygen automatic documentation generation.*/ | |
/*! \file ********************************************************************* | |
* | |
* \brief INTC driver for AVR32 UC3. | |
* | |
* AVR32 Interrupt Controller driver module. | |
* | |
* - Compiler: IAR EWAVR32 and GNU GCC for AVR32 | |
* - Supported devices: All AVR32 devices with an INTC module can be used. | |
* - AppNote: | |
* | |
* \author Atmel Corporation: http://www.atmel.com \n | |
* Support and FAQ: http://support.atmel.no/ | |
* | |
******************************************************************************/ | |
/* Copyright (c) 2009 Atmel Corporation. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright notice, this | |
* list of conditions and the following disclaimer. | |
* | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* | |
* 3. The name of Atmel may not be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* 4. This software may only be redistributed and used in connection with an Atmel | |
* AVR product. | |
* | |
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED | |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR | |
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE | |
* | |
*/ | |
#include <avr32/io.h> | |
#include "compiler.h" | |
#include "intc.h" | |
//! Exception Vector Base Address. | |
extern void _evba; | |
void INTC_register_interrupt(__int_handler handler, unsigned int irq, | |
unsigned int int_level) | |
{ | |
// Program the IPRX register of the IRQ group to set the interrupt priority | |
// level and the interrupt vector offset that will be fetched by the core | |
// interrupt system. | |
AVR32_INTC.ipr[irq / AVR32_INTC_MAX_NUM_IRQS_PER_GRP] = | |
((((U32) handler - (U32) & _evba) << | |
AVR32_INTC_IPR_AUTOVECTOR_OFFSET) & | |
AVR32_INTC_IPR_AUTOVECTOR_MASK) | ((int_level << | |
AVR32_INTC_IPR_INTLEVEL_OFFSET) & | |
AVR32_INTC_IPR_INTLEVEL_MASK); | |
} |