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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17377 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2008-05-05 12:53:03 +00:00
parent 90a4a43430
commit 680bf86fce
1 changed files with 52 additions and 0 deletions
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52
firmware/drivers/rtc/rtc_mc13783.c
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@ -64,6 +64,14 @@ enum rtc_registers_indexes
RTC_NUM_REGS,
};
/* was it an alarm that triggered power on ? */
static bool alarm_start;
void mc1378_alarm_start(void)
{
alarm_start = true;
}
static const unsigned char rtc_registers[RTC_NUM_REGS] =
{
[RTC_REG_TIME] = MC13783_RTC_TIME,
@ -236,3 +244,47 @@ int rtc_write_datetime(unsigned char* buf)
return 0;
}
bool rtc_check_alarm_flag(void)
{
/* We don't need to do anything special if it has already fired */
return false;
}
bool rtc_enable_alarm(bool enable)
{
if (enable)
mc13783_clear(MC13783_INTERRUPT_MASK1, MC13783_TODA);
else
mc13783_set(MC13783_INTERRUPT_MASK1, MC13783_TODA);
return false;
}
bool rtc_check_alarm_started(bool release_alarm)
{
bool rc = alarm_start;
alarm_start &= ~release_alarm;
return rc;
}
void rtc_set_alarm(int h, int m)
{
int day = mc13783_read(MC13783_RTC_DAY);
int tod = mc13783_read(MC13783_RTC_TIME);
if (h*3600 + m*60 < tod)
day++;
mc13783_write(MC13783_RTC_DAY_ALARM, day);
mc13783_write(MC13783_RTC_ALARM, h*3600 + m*60);
}
void rtc_get_alarm(int *h, int *m)
{
int tod = mc13783_read(MC13783_RTC_ALARM);
*h = tod / 3600;
*m = tod % 3600 / 60;
}