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/*
* Copyright (c) 2016 embedded brains GmbH
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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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