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 Robotics / RCX / legOS / 54
53  |  55
Subject: 
Re: FW: H8300 Stack and SLEEP
Newsgroups: 
lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx.pbforth
Date: 
Tue, 16 Mar 1999 02:23:45 GMT
Viewed: 
4812 times
  
Ralph Hempel <rhempel@bmts.com> wrote:
> > this is important news. Which sleep mode does this apply to, software
> > standby, hardware sleep or all of them?
> > 
> > Markus.
> 
> Markus, (and anyone else listening)
> 
> I think it applies to the RCX power_shutdown() function as described in
> Kekoa's reference. The key is that this function puts the external RAM
> into low-power mode.
> 
> If you are not calling power_shutdown() or you are not putting the
> external RAM into low-power mode, then it's not an issue.

To be more precise, it applies to sleep mode and software standby mode as
long as you set port 5 bit 2 to high before activating either mode.  It
does not apply to hardware standby mode, since that does not save registers
or end with an interrupt.

-Kekoa



Message is in Reply To:
  FW: H8300 Stack and SLEEP
 
(...) Markus, (and anyone else listening) I think it applies to the RCX power_shutdown() function as described in Kekoa's reference. The key is that this function puts the external RAM into low-power mode. If you are not calling power_shutdown() or (...) (28 years ago, 15-Mar-99, to lugnet.robotics.rcx.legos, lugnet.robotics, lugnet.robotics.rcx.pbforth)

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