source: rtems/bsps/arm/atsam/rtc/rtc-config.c @ 6fc04f4c

Last change on this file since 6fc04f4c was 6fc04f4c, checked in by Joel Sherrill <joel@…>, on 06/27/22 at 13:46:02

bsps/arm/atsamv: Change license to BSD-2

Updates #3053.

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/* SPDX-License-Identifier: BSD-2-Clause */
2
3/*
4 * Copyright (c) 2016 embedded brains GmbH
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <libchip/chip.h>
29#include <libchip/rtc.h>
30
31#include <bsp.h>
32
33#define ARBITRARY_DAY_OF_WEEK 1
34
35void atsam_rtc_get_time(rtems_time_of_day *tod)
36{
37  Rtc *rtc = RTC;
38  uint8_t hour;
39  uint8_t minute;
40  uint8_t second;
41  uint16_t year;
42  uint8_t month;
43  uint8_t day;
44  uint8_t week;
45
46  RTC_GetDate(rtc, &year, &month, &day, &week);
47  RTC_GetTime(rtc, &hour, &minute, &second);
48
49  tod->ticks = 0;
50  tod->second = second;
51  tod->minute = minute;
52  tod->hour = hour;
53  tod->day = day;
54  tod->month = month;
55  tod->year = year;
56}
57
58static void atsam_rtc_device_initialize(int minor)
59{
60  Rtc *rtc = RTC;
61
62  RTC_DisableIt(rtc, 0x1F);
63}
64
65static int atsam_rtc_device_get_time(int minor, rtems_time_of_day *tod)
66{
67  atsam_rtc_get_time(tod);
68
69  return 0;
70}
71
72static int atsam_rtc_device_set_time(int minor, const rtems_time_of_day *tod)
73{
74  Rtc *rtc = RTC;
75  uint8_t hour;
76  uint8_t minute;
77  uint8_t second;
78  uint16_t year;
79  uint8_t month;
80  uint8_t day;
81  uint8_t week;
82
83  second = (uint8_t) tod->second;
84  minute = (uint8_t) tod->minute;
85  hour = (uint8_t) tod->hour;
86  day = (uint8_t) tod->day;
87  month = (uint8_t) tod->month;
88  week = ARBITRARY_DAY_OF_WEEK;
89  year = (uint16_t) tod->year;
90
91  RTC_SetDate(rtc, year, month, day, week);
92  RTC_SetTime(rtc, hour, minute, second);
93
94  return 0;
95}
96
97static bool atsam_rtc_device_probe(int minor)
98{
99  return true;
100}
101
102const rtc_fns atsam_rtc_device_ops = {
103  .deviceInitialize = atsam_rtc_device_initialize,
104  .deviceGetTime = atsam_rtc_device_get_time,
105  .deviceSetTime = atsam_rtc_device_set_time
106};
107
108rtc_tbl RTC_Table[] = {
109  {
110    .sDeviceName = "/dev/rtc",
111    .deviceType = RTC_CUSTOM,
112    .pDeviceFns = &atsam_rtc_device_ops,
113    .deviceProbe = atsam_rtc_device_probe
114  }
115};
116
117size_t RTC_Count = RTEMS_ARRAY_SIZE(RTC_Table);
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