[vdr] Re: Shutdown after recording

[Lauri Tischler <lauri.tischler@efore.fi>]

Sergei Haller wrote:
 > On Wed, 25 Sep 2002, Lauri Tischler (LT) wrote:
 >
 > LT> The MAXIM DS1685 datashit tells
 >
 > could you be more precise, where to get that sheet?

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2757
on that page there is a link to full pdf

 > LT> that, Register C, bit AF,
 >
 > bit  AF  of the register C? the register C of the RTC contains
 > exactly one byte, i.e. 8 bits (0-7).

Bit 5 is called AF

 > LT> contains info that 'current time has matched alarm time'.
 >
 > most  probably, this bit is only set to 1 _while_ the current time
 > matches alarm  time,  so  the bios of the motherboard only has to
 > look at this bit and  if it is 1, calls the power-up routines. That
 > is, this bit is useless during the general vdr-use.

No, the spec says 'has matched', when current time reaches alarm time
AF bit is set.  Reading register C then clears it.