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