From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- peripherals/irq/irq.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 peripherals/irq/irq.h (limited to 'peripherals/irq/irq.h') diff --git a/peripherals/irq/irq.h b/peripherals/irq/irq.h new file mode 100644 index 0000000..5f0e203 --- /dev/null +++ b/peripherals/irq/irq.h @@ -0,0 +1,84 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, 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: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: 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 + * 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. + * ---------------------------------------------------------------------------- + */ + +//------------------------------------------------------------------------------ +/// \unit +/// +/// !Purpose +/// +/// Methods and definitions for configuring interrupts. +/// +/// !Usage +/// +/// -# Configure an interrupt source using IRQ_ConfigureIT +/// -# Enable or disable interrupt generation of a particular source with +/// IRQ_EnableIT and IRQ_DisableIT. +/// +/// \note Most of the time, peripheral interrupts must be also configured +/// inside the peripheral itself. +//------------------------------------------------------------------------------ + +#ifndef IRQ_H +#define IRQ_H + +//------------------------------------------------------------------------------ +// Headers +//------------------------------------------------------------------------------ + +#include +#if defined(cortexm3) +#include +#endif + +//------------------------------------------------------------------------------ +// Definitions +//------------------------------------------------------------------------------ +#if 0 +#if defined(cortexm3) +#ifdef __NVIC_PRIO_BITS +#undef __NVIC_PRIO_BITS +#define __NVIC_PRIO_BITS ((SCB->AIRCR & 0x700) >> 8) +#endif +#endif +#endif + +//------------------------------------------------------------------------------ +// Global functions +//------------------------------------------------------------------------------ + +extern void IRQ_ConfigureIT(unsigned int source, + unsigned int mode, // mode for AIC, priority for NVIC + void( *handler )( void )); // ISR + +extern void IRQ_EnableIT(unsigned int source); + +extern void IRQ_DisableIT(unsigned int source); + +#endif //#ifndef IRQ_H + -- cgit v1.2.3