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
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30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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33  */
34 
35 /**
36  * @file
37  *   This file supplies bitmasks specifying which of the peripherals are used
38  *   by the 802.15.4 driver.
39  *
40  * Bitmasks currently provided applies to:
41  *   - PPI or DPPI channels (g_nrf_802154_used_nrf_ppi_channels)
42  *   - PPI or DPPI channel groups (g_nrf_802154_used_nrf_ppi_groups)
43  */
44 
45 #include "nrf_802154_peripherals.h"
46 
47 #include <stdint.h>
48 
49 #if NRF_802154_VERIFY_PERIPHS_ALLOC_AGAINST_MPSL
50 /* Obtaining the MPSL_RESERVED_.. macros */
51 #include "mpsl.h"
52 #endif
53 
54 #if defined(PPI_PRESENT)
55 #define NRF_802154_PPI_CH_USED_MSK NRF_802154_PPI_CHANNELS_USED_MASK
56 #define NRF_802154_PPI_GR_USED_MSK NRF_802154_PPI_GROUPS_USED_MASK
57 #elif defined(DPPI_PRESENT)
58 #define NRF_802154_PPI_CH_USED_MSK NRF_802154_DPPI_CHANNELS_USED_MASK
59 #define NRF_802154_PPI_GR_USED_MSK NRF_802154_DPPI_GROUPS_USED_MASK
60 #else
61 #error Unsupported chip family
62 #endif
63 
64 const uint32_t g_nrf_802154_used_nrf_ppi_channels = NRF_802154_PPI_CH_USED_MSK;
65 const uint32_t g_nrf_802154_used_nrf_ppi_groups   = NRF_802154_PPI_GR_USED_MSK;
66 
67 #if NRF_802154_VERIFY_PERIPHS_ALLOC_AGAINST_MPSL
68 
69 #if ((NRF_802154_PPI_CH_USED_MSK & MPSL_RESERVED_PPI_CHANNELS) != 0UL)
70 #error PPI channels for 802.15.4 driver overlap with MPSL channels
71 #endif
72 
73 #if ((NRF_802154_PPI_GR_USED_MSK & MPSL_RESERVED_PPI_GROUPS) != 0UL)
74 #error PPI groups for 802.15.4 driver overlap with MPSL groups
75 #endif
76 
77 #endif // NRF_802154_VERIFY_PERIPHS_ALLOC_AGAINST_MPSL
78