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nrfx_glue.h
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1/*
2 * Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef NRFX_GLUE_H__
33#define NRFX_GLUE_H__
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39/**
40 * \addtogroup nrf
41 * @{
42 *
43 * \file
44 * Header with nrfx stub defines
45 * \author
46 * Yago Fontoura do Rosario <yago.rosario@hotmail.com.br>
47 */
48
49#include <soc/nrfx_irqs.h>
50#include <soc/nrfx_atomic.h>
51#include <soc/nrfx_coredep.h>
52
53/*------------------------------------------------------------------------------ */
54
55/**
56 * @brief Macro for placing a runtime assertion.
57 *
58 * @param expression Expression to evaluate.
59 */
60#define NRFX_ASSERT(expression)
61
62/**
63 * @brief Macro for placing a compile time assertion.
64 *
65 * @param expression Expression to evaluate.
66 */
67#define NRFX_STATIC_ASSERT(expression)
68
69/*------------------------------------------------------------------------------ */
70
71/**
72 * @brief Macro for setting the priority of a specific IRQ.
73 *
74 * @param irq_number IRQ number.
75 * @param priority Priority to be set.
76 */
77#define NRFX_IRQ_PRIORITY_SET(irq_number, priority) \
78 _NRFX_IRQ_PRIORITY_SET(irq_number, priority)
79static inline void
80_NRFX_IRQ_PRIORITY_SET(IRQn_Type irq_number,
81 uint8_t priority)
82{
83 NVIC_SetPriority(irq_number, priority);
84}
85/**
86 * @brief Macro for enabling a specific IRQ.
87 *
88 * @param irq_number IRQ number.
89 */
90#define NRFX_IRQ_ENABLE(irq_number) _NRFX_IRQ_ENABLE(irq_number)
91static inline void
92_NRFX_IRQ_ENABLE(IRQn_Type irq_number)
93{
94 NVIC_EnableIRQ(irq_number);
95}
96/**
97 * @brief Macro for checking if a specific IRQ is enabled.
98 *
99 * @param irq_number IRQ number.
100 *
101 * @retval true If the IRQ is enabled.
102 * @retval false Otherwise.
103 */
104#define NRFX_IRQ_IS_ENABLED(irq_number) _NRFX_IRQ_IS_ENABLED(irq_number)
105static inline bool
106_NRFX_IRQ_IS_ENABLED(IRQn_Type irq_number)
107{
108 return 0 != (NVIC->ISER[irq_number / 32] & (1UL << (irq_number % 32)));
109}
110/**
111 * @brief Macro for disabling a specific IRQ.
112 *
113 * @param irq_number IRQ number.
114 */
115#define NRFX_IRQ_DISABLE(irq_number) _NRFX_IRQ_DISABLE(irq_number)
116static inline void
117_NRFX_IRQ_DISABLE(IRQn_Type irq_number)
118{
119 NVIC_DisableIRQ(irq_number);
120}
121/**
122 * @brief Macro for clearing the pending status of a specific IRQ.
123 *
124 * @param irq_number IRQ number.
125 */
126#define NRFX_IRQ_PENDING_CLEAR(irq_number) _NVIC_ClearPendingIRQ(irq_number)
127static inline void
128_NVIC_ClearPendingIRQ(IRQn_Type irq_number)
129{
130 NVIC_ClearPendingIRQ(irq_number);
131}
132/**
133 * @brief Macro for entering into a critical section.
134 */
135#define NRFX_CRITICAL_SECTION_ENTER() __disable_irq()
136
137/**
138 * @brief Macro for exiting from a critical section.
139 */
140#define NRFX_CRITICAL_SECTION_EXIT() __enable_irq()
141
142/*------------------------------------------------------------------------------ */
143
144#define NRFX_DELAY_US(us_time) nrfx_coredep_delay_us(us_time)
145
146/*------------------------------------------------------------------------------ */
147
148/** @brief Atomic 32-bit unsigned type. */
149#define nrfx_atomic_t uint32_t
150
151/**
152 * @brief Macro for running a bitwise AND operation on an atomic object
153 * and returning its previous value.
154 *
155 * @param[in] p_data Atomic memory pointer.
156 * @param[in] value Value of the second operand in the AND operation.
157 *
158 * @return Previous value of the atomic object.
159 */
160#define NRFX_ATOMIC_FETCH_AND(p_data, value) nrfx_atomic_u32_fetch_and(p_data, value)
161
162/*------------------------------------------------------------------------------ */
163
164/** @} */
165
166#ifdef __cplusplus
167}
168#endif
169
170#endif // NRFX_GLUE_H__