>I mean that I couldn't find something in the datasheet (thus in device file) I
>could read in order to know if alarm is currently ringing. Adding a function
>for this just means you've found this ! If so, I'd be happy to hear !
I did find it... It is the ALRMCFG_ALRMEN alarm enable bit that is cleared when
the last alarm (ALRMRPT=0 and CHIME=0) is issued.
Apart from this, there is the PIR3_RTCCIF bit (which is called RTCCCIF
once...), which must be the one you were looking for. Indeed, the datasheet
does not mention it when talkind about RTC, but the register description for
PIR3 says:
bit 0 RTCCIF: RTCC Interrupt Flag bit
1 = An RTCC interrupt occurred (must be cleared in software)
0 = No RTCC interrupt occurred
Greets,
Kiste
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