1 /*
2 * Copyright (c) 2016 - 2018, 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_USBD_ERRATA_H__
33 #define NRFX_USBD_ERRATA_H__
34
35 #include <stdbool.h>
36
37 #ifndef NRFX_USBD_ERRATA_ENABLE
38 /**
39 * @brief The constant that informs if errata should be enabled at all.
40 *
41 * If this constant is set to 0, all the Errata bug fixes will be automatically disabled.
42 */
43 #define NRFX_USBD_ERRATA_ENABLE 1
44 #endif
45
nrfx_usbd_errata_type_52840(void)46 static inline bool nrfx_usbd_errata_type_52840(void)
47 {
48 return (*(uint32_t *)0x10000130UL == 0x8UL);
49 }
50
nrfx_usbd_errata_type_52840_eng_a(void)51 static inline bool nrfx_usbd_errata_type_52840_eng_a(void)
52 {
53 return (nrfx_usbd_errata_type_52840() && (*(uint32_t *)0x10000134UL == 0x0UL));
54 }
55
nrfx_usbd_errata_type_52840_eng_b(void)56 static inline bool nrfx_usbd_errata_type_52840_eng_b(void)
57 {
58 return (nrfx_usbd_errata_type_52840() && (*(uint32_t *)0x10000134UL == 0x1UL));
59 }
60
nrfx_usbd_errata_type_52840_eng_c(void)61 static inline bool nrfx_usbd_errata_type_52840_eng_c(void)
62 {
63 return (nrfx_usbd_errata_type_52840() && (*(uint32_t *)0x10000134UL == 0x2UL));
64 }
65
nrfx_usbd_errata_type_52840_eng_d(void)66 static inline bool nrfx_usbd_errata_type_52840_eng_d(void)
67 {
68 return (nrfx_usbd_errata_type_52840() && (*(uint32_t *)0x10000134UL == 0x3UL));
69 }
70
71 /* Errata: USBD: EPDATA event is not always generated. */
nrfx_usbd_errata_104(void)72 static inline bool nrfx_usbd_errata_104(void)
73 {
74 return (NRFX_USBD_ERRATA_ENABLE && nrfx_usbd_errata_type_52840_eng_a());
75 }
76
77 /* Errata: During setup read/write transfer USBD acknowledges setup stage without SETUP task. */
nrfx_usbd_errata_154(void)78 static inline bool nrfx_usbd_errata_154(void)
79 {
80 return (NRFX_USBD_ERRATA_ENABLE && nrfx_usbd_errata_type_52840_eng_a());
81 }
82
83 /* Errata: ISO double buffering not functional. */
nrfx_usbd_errata_166(void)84 static inline bool nrfx_usbd_errata_166(void)
85 {
86 return (NRFX_USBD_ERRATA_ENABLE && true);
87 }
88
89 /* Errata: USBD might not reach its active state. */
nrfx_usbd_errata_171(void)90 static inline bool nrfx_usbd_errata_171(void)
91 {
92 return (NRFX_USBD_ERRATA_ENABLE && true);
93 }
94
95 /* Errata: USB cannot be enabled. */
nrfx_usbd_errata_187(void)96 static inline bool nrfx_usbd_errata_187(void)
97 {
98 return (NRFX_USBD_ERRATA_ENABLE &&
99 (nrfx_usbd_errata_type_52840_eng_b() ||
100 nrfx_usbd_errata_type_52840_eng_c() ||
101 nrfx_usbd_errata_type_52840_eng_d())
102 );
103 }
104
105 /* Errata: USBD cannot receive tasks during DMA. */
nrfx_usbd_errata_199(void)106 static inline bool nrfx_usbd_errata_199(void)
107 {
108 return (NRFX_USBD_ERRATA_ENABLE && true);
109 }
110
111 /* Errata: SIZE.EPOUT not writable. */
nrfx_usbd_errata_200(void)112 static inline bool nrfx_usbd_errata_200(void)
113 {
114 return (NRFX_USBD_ERRATA_ENABLE && nrfx_usbd_errata_type_52840_eng_a());
115 }
116
117 #endif // NRFX_USBD_ERRATA_H__
118