nuttx/arch/arm/include/nuc1xx/irq.h

/************************************************************************************
 * arch/arm/include/nuc1xx/irq.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ************************************************************************************/

/* This file should never be included directly but, rather, only indirectly through
 * nuttx/irq.h
 */

#ifndef __ARCH_ARM_INCLUDE_NUC1XX_IRQ_H
#define __ARCH_ARM_INCLUDE_NUC1XX_IRQ_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

#include <nuttx/config.h>
#include <arch/nuc1xx/chip.h>

/************************************************************************************
 * Pre-processor Definitions
 ************************************************************************************/

/* IRQ numbers.  The IRQ number corresponds vector number and hence map directly to
 * bits in the NVIC.  This does, however, waste several words of memory in the IRQ
 * to handle mapping tables.
 */

/* Processor Exceptions (vectors 0-15) */

#define NUC_IRQ_RESERVED       (0) /* Reserved vector (only used with CONFIG_DEBUG_FEATURES) */
                                   /* Vector  0: Reset stack pointer value */
                                   /* Vector  1: Reset (not handler as an IRQ) */
#define NUC_IRQ_NMI            (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
#define NUC_IRQ_HARDFAULT      (3) /* Vector  3: Hard fault */
                                   /* Vector  4-10: Reserved */
#define NUC_IRQ_SVCALL        (11) /* Vector 11: SVC call */
                                   /* Vector 12-13: Reserved */
#define NUC_IRQ_PENDSV        (14) /* Vector 14: Pendable system service request */
#define NUC_IRQ_SYSTICK       (15) /* Vector 15: System tick */

/* External interrupts (vectors >= 16).  These definitions are chip-specific */

#define NUC_IRQ_INTERRUPT     (16)

#if defined(NUC120)
#  include <arch/nuc1xx/nuc120_irq.h>
#else
#  error "Unrecognized/unsupported NUC chip"
#endif

/************************************************************************************
 * Public Types
 ************************************************************************************/

/************************************************************************************
 * Public Data
 ************************************************************************************/

#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

/************************************************************************************
 * Public Functions
 ************************************************************************************/

#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY__ */

#endif /* __ARCH_ARM_INCLUDE_NUC1XX_IRQ_H */