Bye SHR, hello QTMoko (and battery life)

[David Garabana Barro]

O Xoves, 4 de Outubro de 2012, Timo Juhani Lindfors escribiu:
> David Garabana Barro <david at garabana.com> writes:

> > Any clue on this?
> 
> Can you measure the power consumption please? With and without GSM.

For these tests I flashed Qi from qtmoko repositories, so we can discard any 
problem with u-boot.

GSM on:

On battery and display at 80% [1] brightness: 	~200-210 mA
On battery and display dimmed: 					~130-135 mA
On battery and display off:					~120-130 mA 
On resume:									~12-18 mA

Being timeouts configured as:
Dim: 		1 m
Display off: 	3 m
Suspend:		5 m

And using this script:

while true; do echo "`date` `cat /sys/class/power_supply/battery/current_now`" 
>>/var/log/power.log; sleep 5; done

This is the output of script in a full cycle (only pasting changes in 
current_now values)

Sun Oct  7 10:39:59 CEST 2012 200250
[..]
Sun Oct  7 10:40:45 CEST 2012 200250
Sun Oct  7 10:40:50 CEST 2012 134062
[..]
Sun Oct  7 10:41:35 CEST 2012 134062
Sun Oct  7 10:41:40 CEST 2012 131437
[..]
Sun Oct  7 10:42:26 CEST 2012 131437
Sun Oct  7 10:42:31 CEST 2012 128250
[..]
Sun Oct  7 10:43:16 CEST 2012 128250
Sun Oct  7 10:43:22 CEST 2012 123375
[..]
Sun Oct  7 10:44:07 CEST 2012 123375
Sun Oct  7 10:44:12 CEST 2012 122250
[..]
Sun Oct  7 10:44:32 CEST 2012 122250
Sun Oct  7 10:54:16 CEST 2012 12750 

Does these valules seem ok for you?
Is it normal so little difference (~10mA) between dimmed display and powered 
off display?

Now, I want to do tests with GSM powered off. For this, is it enough if I boot 
without inserted SIM card?


[1] Default qtmoko on-battery max brightness


-- 
David Garabana Barro
jabber & google talk ID:	david at garabana.com
Clave pública PGP/GPG:		http://davide.garabana.com/pgp.html
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