[Gta04-owner] Wifi sensitivity

[Boudewijn]

On Sunday 04 December 2011 00:42:43 Boudewijn wrote:
> On Friday 02 December 2011 15:00:47 Radek Polak wrote:
> > On Friday 02 December 2011 13:47:12 Radek Polak wrote:
> > > The temperature was not that hot now, IIRC is was much worse with
> > > 3150000 volage. I'll try it now.
> > 
> > 3150000 voltage did no difference, i'll do the test when i get home.
> > Maybe the temperature is high only when i am connected to the router (i
> > just did iwlist scan during this test, no connection was made).
> 
> I usually turn on WIFI for SSH so I don't pull the phone of the couch while
> connected via USB. In general it seems to run warmer than GTA02 (ok,
> there's a factor 2 in clock speed, stacked CPU+RAM), but indeed,
> especially with WLAN on it's getting hot.
> 
> (...) and test the temperature at
> 2.8 and 3.1 volts as well.
 
Well, in case it's still relevant, today I finally ran the script, see the 
attached temp315.txt and temp280.txt. The unit had been running (and pinging 
via WIFI) for a couple of hours before switching to 3,15 volts. I let it run 
for about an hour at that voltage before running the script. After that I 
switched to 2,8V and let it run for about an hour and then ran the script 
again.

There's some difference in temperature, but not too much. I just thought of 
switching off WIFI, I'll check the temperature before sending the email.
Changes from 3,15V to 2.80V are about:
5 degrees ("temp" tsc2007)
2 degrees ("temp0_input" bmp085)
1 degree  (battery, twl4030_bci)

gta04:~# tail temp315.txt 
sample 1448
1663,2004,0,0,511,411,3538,1226,1511,106,65535   < tsc2007
542     < bmp085 
30      < battery

gta04:~# tail temp280.txt 
sample 607
1663,2004,0,0,460,411,3538,1236,1520,107,65535
523
29

gta04:~# tail temp_nowifi.txt 
sample 9
1663,2004,0,0,434,411,3538,1250,1530,107,65535
444
29


> By the way, which kernel are you running? I'm running the "stock" hw-
> validation kernel (and actually wanted to give QTmoko v37 a try, but first
> will check the temperature).
Mine: 
gta04:~# uname -a
Linux gta04 2.6.32 #447 PREEMPT Wed Nov 16 21:40:43 CET 2011 armv7l GNU/Linux

Boudewijn
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