| /*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. | |
| * | |
| */ | |
| #ifndef _INTC_H_ | |
| #define _INTC_H_ | |
| #include "compiler.h" | |
| //! Maximal number of interrupt request lines per group. | |
| #define AVR32_INTC_MAX_NUM_IRQS_PER_GRP 32 | |
| //! Number of interrupt priority levels. | |
| #define AVR32_INTC_NUM_INT_LEVELS (1 << AVR32_INTC_IPR_INTLEVEL_SIZE) | |
| #ifdef __AVR32_ABI_COMPILER__ // Automatically defined when compiling for AVR32, not when assembling. | |
| //! Pointer to interrupt handler. | |
| #if (defined __GNUC__) | |
| typedef void (*__int_handler) (void); | |
| #elif (defined __ICCAVR32__) | |
| typedef void (__interrupt * __int_handler) (void); | |
| #endif | |
| /*! \brief Registers an interrupt handler. | |
| * | |
| * \param handler Interrupt handler to register. | |
| * \param irq IRQ of the interrupt handler to register. | |
| * \param int_level Interrupt priority level to assign to the group of this IRQ. | |
| * | |
| * \warning The interrupt handler must manage the `rete' instruction, what can | |
| * be done thanks to pure assembly, inline assembly or the | |
| * `__attribute__((__interrupt__))' C function attribute. | |
| * | |
| * \warning If several interrupt handlers of a same group are registered, all | |
| * interrupts of this group will fetch the last interrupt handler | |
| * registered for this group with the last registered interrupt | |
| * priority level. | |
| * | |
| * \note Taken and adapted from Newlib. | |
| */ | |
| extern void INTC_register_interrupt(__int_handler handler, unsigned int irq, | |
| unsigned int int_level); | |
| #endif // __AVR32_ABI_COMPILER__ | |
| #endif // _INTC_H_ |