1 /*
2 * Copyright (c) 2017, Nordic Semiconductor ASA
3 * All rights reserved.
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice, this
11 * list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
18 * contributors may be used to endorse or promote products derived from this
19 * software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35 /**
36 * @file
37 * This file implements SWI manager for nRF 802.15.4 driver.
38 *
39 */
40
41 #include "nrf_802154_swi.h"
42
43 #include <stdbool.h>
44 #include <stdint.h>
45
46 #include "compiler_abstraction.h"
47 #include "nrf_802154.h"
48 #include "nrf_802154_config.h"
49 #include "platform/nrf_802154_irq.h"
50
51 #if NRF_802154_INTERNAL_SWI_IRQ_HANDLING
52 /* SWI interrupt handling functionality is implemented directly by the chosen EGU IRQ handler. */
53 #define SWI_IRQHandler NRF_802154_EGU_IRQ_HANDLER ///< Symbol of SWI IRQ handler.
54 #else
55 #define SWI_IRQHandler nrf_802154_swi_irq_handler ///< Symbol of SWI IRQ handler.
56 #endif
57
nrf_802154_trx_swi_irq_handler(void)58 __WEAK void nrf_802154_trx_swi_irq_handler(void)
59 {
60 /* Implementation provided by other module if necessary */
61 }
62
nrf_802154_notification_swi_irq_handler(void)63 __WEAK void nrf_802154_notification_swi_irq_handler(void)
64 {
65 /* Implementation provided by other module if necessary */
66 }
67
nrf_802154_request_swi_irq_handler(void)68 __WEAK void nrf_802154_request_swi_irq_handler(void)
69 {
70 /* Implementation provided by other module if necessary */
71 }
72
swi_irq_handler(void)73 static void swi_irq_handler(void)
74 {
75 nrf_802154_trx_swi_irq_handler();
76 nrf_802154_notification_swi_irq_handler();
77 nrf_802154_request_swi_irq_handler();
78 }
79
nrf_802154_swi_init(void)80 void nrf_802154_swi_init(void)
81 {
82 static bool initialized = false;
83
84 if (!initialized)
85 {
86 nrf_802154_irq_init(nrfx_get_irq_number(NRF_802154_EGU_INSTANCE),
87 NRF_802154_SWI_PRIORITY,
88 swi_irq_handler);
89 nrf_802154_irq_enable(nrfx_get_irq_number(NRF_802154_EGU_INSTANCE));
90 initialized = true;
91 }
92 }
93
SWI_IRQHandler(void)94 void SWI_IRQHandler(void)
95 {
96 swi_irq_handler();
97 }
98
