summaryrefslogtreecommitdiff
path: root/nuttx/arch/arm/include/samd/irq.h
blob: a8855fda2d8f966eebb17730546c785baf21098e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/****************************************************************************************
 * arch/arm/include/samd/irq.h
 *
 *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * 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. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS 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.
 *
 ****************************************************************************************/

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

#ifndef __ARCH_ARM_INCLUDE_SAMD_IRQ_H
#define __ARCH_ARM_INCLUDE_SAMD_IRQ_H

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

#include <nuttx/config.h>
#include <arch/samd/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 SAM_IRQ_RESERVED       (0) /* Reserved vector (only used with CONFIG_DEBUG) */
                                   /* Vector  0: Reset stack pointer value */
                                   /* Vector  1: Reset (not handler as an IRQ) */
#define SAM_IRQ_NMI            (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
#define SAM_IRQ_HARDFAULT      (3) /* Vector  3: Hard fault */
                                   /* Vector  4-10: Reserved */
#define SAM_IRQ_SVCALL        (11) /* Vector 11: SVC call */
                                   /* Vector 12-13: Reserved */
#define SAM_IRQ_PENDSV        (14) /* Vector 14: Pendable system service request */
#define SAM_IRQ_SYSTICK       (15) /* Vector 15: System tick */

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

#define SAM_IRQ_INTERRUPT     (16) /* Vector number of the first external interrupt */

/* Chip-Specific External interrupts */

#if defined(SAMD20)
#  include <arch/samd/samd20_irq.h>
#else
#  error "Unrecognized/unsupported SAMD chip"
#endif

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

#ifndef __ASSEMBLY__

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

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

/****************************************************************************************
 * Public Function Prototypes
 ****************************************************************************************/

#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif

#endif /* __ARCH_ARM_INCLUDE_SAMD_IRQ_H */