forked from Imagelibrary/rtems
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (c) 2016 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <libchip/chip.h>
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#include <libchip/rtc.h>
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#include <bsp.h>
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#define ARBITRARY_DAY_OF_WEEK 1
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void atsam_rtc_get_time(rtems_time_of_day *tod)
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{
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Rtc *rtc = RTC;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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uint16_t year;
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uint8_t month;
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uint8_t day;
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uint8_t week;
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RTC_GetDate(rtc, &year, &month, &day, &week);
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RTC_GetTime(rtc, &hour, &minute, &second);
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tod->ticks = 0;
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tod->second = second;
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tod->minute = minute;
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tod->hour = hour;
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tod->day = day;
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tod->month = month;
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tod->year = year;
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}
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static void atsam_rtc_device_initialize(int minor)
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{
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Rtc *rtc = RTC;
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RTC_DisableIt(rtc, 0x1F);
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}
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static int atsam_rtc_device_get_time(int minor, rtems_time_of_day *tod)
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{
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atsam_rtc_get_time(tod);
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return 0;
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}
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static int atsam_rtc_device_set_time(int minor, const rtems_time_of_day *tod)
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{
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Rtc *rtc = RTC;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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uint16_t year;
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uint8_t month;
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uint8_t day;
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uint8_t week;
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second = (uint8_t) tod->second;
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minute = (uint8_t) tod->minute;
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hour = (uint8_t) tod->hour;
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day = (uint8_t) tod->day;
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month = (uint8_t) tod->month;
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week = ARBITRARY_DAY_OF_WEEK;
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year = (uint16_t) tod->year;
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RTC_SetDate(rtc, year, month, day, week);
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RTC_SetTime(rtc, hour, minute, second);
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return 0;
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}
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static bool atsam_rtc_device_probe(int minor)
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{
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return true;
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}
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const rtc_fns atsam_rtc_device_ops = {
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.deviceInitialize = atsam_rtc_device_initialize,
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.deviceGetTime = atsam_rtc_device_get_time,
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.deviceSetTime = atsam_rtc_device_set_time
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};
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rtc_tbl RTC_Table[] = {
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{
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.sDeviceName = "/dev/rtc",
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.deviceType = RTC_CUSTOM,
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.pDeviceFns = &atsam_rtc_device_ops,
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.deviceProbe = atsam_rtc_device_probe
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}
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};
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size_t RTC_Count = RTEMS_ARRAY_SIZE(RTC_Table);
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