1 /*
2 * Copyright (c) 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 NRF_COMMON_H__
33 #define NRF_COMMON_H__
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 #ifndef NRFX_EVENT_READBACK_ENABLED
40 #define NRFX_EVENT_READBACK_ENABLED 1
41 #endif
42
43 #ifndef NRF_DECLARE_ONLY
44
nrf_event_readback(void * p_event_reg)45 NRF_STATIC_INLINE void nrf_event_readback(void * p_event_reg)
46 {
47 #if NRFX_CHECK(NRFX_EVENT_READBACK_ENABLED) && !defined(NRF51)
48 (void)*((volatile uint32_t *)(p_event_reg));
49 #else
50 (void)p_event_reg;
51 #endif
52 }
53
54 #endif // NRF_DECLARE_ONLY
55
56 #ifdef __cplusplus
57 }
58 #endif
59
60 #endif // NRF_COMMON_H__
61