Re: Re: first shoot for smartbattery

[Bruno Ducrot <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>]

On Mon, Jan 03, 2005 at 05:03:47PM +0000, Pedro Venda wrote:
> Bruno Ducrot wrote:
> 
> | I think I found was wrong.  Please refetch, or (at your option) replace
> | i2c-acpi-ec.ec with
> | http://www.poupinou.org/acpi/smartbatt/smartbatt/i2c-acpi-ec/i2c-acpi-ec.c
> | then redo the sh compile.sh
> | Sorry, it was a stupid bug(tm) requiring that I buy a brown bag...
> 
> happens to everyone.
> 
> | Something wrong also with rmmod i2c-acpi-ec :( so you have to reboot in
> | order to be able to 'insmod i2c-acpi-ec.ko' again (I'm sure the brown
> | bag will still be helpfull also...).
> 
> yes, that still happens. appearently rmmod doesn't deregister drivers.
> 
> but now I've got it working.
> 
> no battery plugged:
> 
> archon smartbatt-2 # ./smartbattery 5
> current:       65535 mA
> remain:        65535 mA or mWh
> time to empty: 65535 minutes
> time to full:  65535 minutes
> temperature:   6280.5 C
> voltage:       65535 mV
> 
> all values are bogus, of course. no problem here.
> now AC plugged and battery plugged too:
> 
> archon smartbatt-2 # ./smartbattery 5
> current:       0 mA
> remain:        3733 mA or mWh
> time to empty: 65535 minutes
> time to full:  65535 minutes
> temperature:   25.4 C
> voltage:       16787 mV
> archon smartbatt-2 # ./smartbattery 5
> current:       189 mA
> remain:        3733 mA or mWh
> time to empty: 65535 minutes
> time to full:  65535 minutes
> temperature:   25.6 C
> voltage:       16846 mV
> 
> ok. it's draining a small amount of current, which is understandable because
> it's almost full.
> 
> how can one relate the remain/time to empty/time to full values? we need the
> maximum charge of the battery, right?
> 
> now battery plugged but no AC power:
> 
> archon smartbatt-2 # ./smartbattery 5
> current:       64419 mA
> remain:        3737 mA or mWh
> time to empty: 200 minutes
> time to full:  200 minutes
> temperature:   27.4 C
> voltage:       16496 mV
> archon smartbatt-2 # ./smartbattery 5
> current:       64423 mA
> remain:        3735 mA or mWh
> time to empty: 201 minutes
> time to full:  201 minutes
> temperature:   27.5 C
> voltage:       16477 mV
> archon smartbatt-2 # ./smartbattery 5
> current:       64421 mA
> remain:        3733 mA or mWh
> time to empty: 200 minutes
> time to full:  200 minutes
> temperature:   27.5 C
> voltage:       16461 mV
> 
> here I don't get it:
> current 64419 mA? that's 64.4 A!! my dad's car battery can't do that!! is it
> being read wrong or am I missing something?
> also, time to empty/time to full should be "xor'd" i.e., time to empty+time 
> to
> full should return total battery power (in seconds) weird yes, but it makes
> sense when calculating averaga power drains, trust me.
> 
> note that I'm not at all putting flaws! I'm just pointing some details that 
> I
> don't know what could be regular values.
> 

I've rewritten that.
http://www.poupinou.org/acpi/smartbatt/smartbatt/smartbattery.c

Cheers,

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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