<popolon>
yes there is a link to the image in the tuto
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<mattista>
thank you
<popolon>
no mean to log/edit this wiki ?
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<popolon>
lot of typo in this new wiki
<B3RN0UT>
is it possible to turn off the red power led?
<popolon>
B3RN0UT, probably ?
<B3RN0UT>
mkay, that's enough for an answer :/ red and green is possible, allready configured it
<popolon>
:)
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<focus_it>
finally put to use an old cubie1 - turned into a 1TB camera recording device with 6 cameras attached ftp'ing 1 image per second to their respective directories :)
<focus_it>
usage about 5% per vsftpd thread
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<focus_it>
wattage wise under 20W
<focus_it>
replacing a 200W intel PC
<focus_it>
noticed one pig of a problem - i bought some software and they are intel executables, no sources, and now it can't work across on the arm :(
<focus_it>
easy waste of money :(
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<focus_it>
i used librecad to get passed the immediate issues
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<focus_it>
wonder what the future holds for software companies as the market gets split between arm pc and wintel pc markets
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<focus_it>
if i buy some software, even open source ones, i would go for companies that manages to work across multiple platforms 32 bit, 64 bit, intel and ARM (probably 32 and 64 bit arm soon)
<focus_it>
and if they can't manage it, then go for sources and cobble together whatever is missing
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<kriegerod>
focus_it: i think part of soft developers will account different platforms in the code, others will use higher layer tools, like java VM
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<kriegerod>
third part will stick with wintel and epically suck up to the end of days :)
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<focus_it>
kriegerod: :)
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<cmdnoob>
how can i make a backup of my sdcard ? i stopped the image when it passed 5,4gb but my sd image is only 2gb large
<kriegerod>
cmdnoob: googling shows no mention of such a problem. maybe you confused something
<kriegerod>
could it be that you append data to output file instead of truncating it to zero size on start?
<kriegerod>
or your sd physically is more than 2 gb
<cmdnoob>
the sd card is 4gb
<cmdnoob>
but the image is only 2
<cmdnoob>
it´s rm´s debian image
<cmdnoob>
i just wanted to save my configuration
<kriegerod>
then you could set count= option with regard to size of original image
<kriegerod>
but i have no idea why you got beyond 5 gb
<cmdnoob>
because it´s a fake 32gb
<cmdnoob>
i could imagine
<kriegerod>
huh?
<cmdnoob>
but i thought i would only dumb the image
<kriegerod>
no, your command is taken to copy the whole space of block device
<kriegerod>
to copy just the partition, you can dd if=/dev/mmcblk0pX
<cmdnoob>
ah, so it will dumb the whole 32gb then ?
<kriegerod>
in your case you can safely interrupt it
<kriegerod>
and to make 2gb part of it by dd if=your_current_image of=cutted_image bs=1M count=<calculated>
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<popolon>
strange behavior of dd ???
<popolon>
never see this
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<popolon>
and it uses device size, doesn't rely on datas on it
<cmdnoob>
well if i copyed the whole block device then it should try to write 32 since it is recognized as 32
<cmdnoob>
but i know it´s a fake 32 10 and actually a 4gb rate 4
<kriegerod>
popolon: no way strange. it's the level of data it works on
<kriegerod>
cmdnoob: you may, but is there a point to do so?
<cmdnoob>
no i just wanted p1 & p2 together
<cmdnoob>
so that i can just flash it back with at best the win32imager
<kriegerod>
cmdnoob: as i said, you may just give dd a limit by count option
<kriegerod>
cmdnoob: dumping partition is easy also, because partitions' offsets stay same
<cmdnoob>
how much should i put in for 2gb to be on the safe side ?
<cmdnoob>
it´s byte right ?
<kriegerod>
i would put no extra size, copying just same bytes amount that original image has
<kriegerod>
the image of "rm" as you said
<focus_it>
cmdnoob: shrink the partition to something known like 1.8GB, then dd if=/dev/sdc of=sd_card_image.bin bs=1M count=19000 which is a little passed the 1.8GB to pick up everything (choose the correct drive dev/sdx - type dmesg to see what x should by seeing which drive it got assigned to when the sd card got plugged in)
<popolon>
focus_it, I managed to pass my problem of network (+ clock) by apt-get(ing) a *ubuntu-desktop package
<popolon>
I think some packages of ubuntu-core are broken, or essential packages are missing
<focus_it>
popolon: well done
<focus_it>
i guess that be the problem - these were beta stuff
<popolon>
don't know which one, need to retry the whole install to have minimal working image
<kriegerod>
focus_it, i wouldn't suggest shrinking, also i hate the thing that MB may change different things in different apps, so you never know
<popolon>
so user can choose their desktop or server options
<focus_it>
kriegerod: if the memory is fake
<focus_it>
popolon: don't spend too much time - they get rid of the older versions, and only one left - may bet that too gone soon - and get new ones
<focus_it>
popolon: still worthwhile knowing which packages are broken i guess
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<focus_it>
i notice apt-get update doesn't work - so no way to go from older versions to newer releases
<popolon>
I still think that's probably some basic packages missing
<popolon>
?
<popolon>
on which system ?
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<popolon>
on install I done
<popolon>
apt-get update works !
<focus_it>
the ubuntu with 3d i do up
<popolon>
but you need first to manually ifup the network
<popolon>
oh, the linaro 13.04 ?
<focus_it>
i got networking up with the technique i describe earlier
<focus_it>
on the linaro-ubuntu-desktop
<popolon>
ok
<focus_it>
haven't been looking at the linaro recently
<cmdnoob>
the count parameter is in what exactly ?
<popolon>
I used ~pure ubuntu core
<cmdnoob>
the file just passed 2gb again :)
<kriegerod>
cmdnoob: dont listen to focus_it, he wants evil to you :)
<focus_it>
1M x 19000 =-1.9 Gigabytes
<focus_it>
:)
<kriegerod>
19 gigabytes
<focus_it>
kriegerod: did i angry you?
<cmdnoob>
ah, ok :)
<focus_it>
ooops!! yes i meant 1900 doh!!!
<cmdnoob>
i guess i deserved that for not reading the man files
<kriegerod>
no, i just would never personally go shrinking for this case
<popolon>
:)
<kriegerod>
cmdnoob wants to know how many to copy. if he goes shrinking, he also has to calculate his data end size, which is not trivial
<popolon>
kpartx is really nice for working on images (partitions, data, etc...) instead of installing the image on device
<focus_it>
kriegerod: it got hit with fake memories - and that technique sorts it out - once you know its true size
<kriegerod>
what would be really fast and avoid wearoff of sd is rsync
<kriegerod>
focus_it: the point is that if he shrinks partition, he has to recalculate offset of end of his data partition
<kriegerod>
if he doesn't go shrinking, he already knows offset of data end
<kriegerod>
it equals to size of image which he used initially
<kriegerod>
shrinking is really irrelevant to what he needs
<cmdnoob>
but the image has a different size depenting on the size of my filesystem ?
<cmdnoob>
so it´s not the amount of bytes that i have on my windows pc ?!
<focus_it>
i got about 40 uSD cards, and hit these problems with different sizes - I just use right click with gparted and then click on check - sorts out all the problems in a few seconds
<kriegerod>
cmdnoob, if you dd-ed the original device, and didn't especially modify partition table, anything relevant is constant
<cmdnoob>
can´t i just read that somewhere in the fstab or so ?
<kriegerod>
focus_it: he doesn't have problem of not finning on his SD
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<kriegerod>
he just wants to back it up
<kriegerod>
cmdnoob: to read what?
<Bushmills>
1M x 19000 =-1.9 Gigabytes -> no. 19 gigabytes
<cmdnoob>
the exact amount i have to count
<focus_it>
ok - i thought he overan to 5GB+ on a 2GB card - fake memory
<kriegerod>
as i said, you have to copy exactly the size of original image
<cmdnoob>
i made a backup and already backed up 5.4 of my 4gb real(fake32gb) sd card
<cmdnoob>
yes that was my issue
<kriegerod>
it would require figuring out and calculation if you didn't have original image
<kriegerod>
but check the original image in bytes, don't round anything to megabytes
<kriegerod>
also don't use "M" modifier in bs=, it may be threated not as you expected
<kriegerod>
check with original image size, cmdnoob
<focus_it>
cmdnoob - don't ignore kriegerod - but here is what I do - i shrink partition to just how much the data is + 500Mb space. Then knowing how small it is, i would dd the partition + few hundred mb above it - so i got everything even if fake memory
<kriegerod>
yep, that's good for porting from one SD to another
<cmdnoob>
1,66 GB (1.782.579.200 Bytes) should be save i hope
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<kriegerod>
focus_it: but then he would have to grow partition & FS back to be able to save more data :)
<cmdnoob>
it´s interesting, i really got to learn where everything is written in debian, or next weekend i should also see how to extend the usable space on the sd to the full 4gb
<focus_it>
kriegerod - that should be no pain - just point at the partition with gparted and let it grow man!
<kriegerod>
yep, enlarge your partition, click here!
<focus_it>
kriegerod - i normally shrink partition > dd > compress and save, reversing it is less time consuming overal
<kriegerod>
focus_it: don't know what is circuit diagram, the only available docs are those on the site
<focus_it>
circuit diagram tells you how to build their PCB - they shared the cubie1 diagram which is same as cubie2, so we can go build our own derivatives
<focus_it>
not 100% essential these days - but it cuts the chase
<cmdnoob>
good nihgt
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<popolon>
focus_it, does them ?
<popolon>
I only found logical diagrams
<kriegerod>
focus_it, i believe they'll release docs these days, i personally lack docs too
<popolon>
functional diagram ?
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<focus_it>
popolon, kriegerod - yeeeehaa!! they release their full circuit diagrams - enough for anyone to go build their 2GB RAM 8GB flash cubietruck derivatives
<focus_it>
I must say I respect them a lot
<popolon>
focus, where are those diagrams ?
<popolon>
I would like to see them to readd -> free hardware on wikipedia
<focus_it>
So far i buy 2 cubie1, 4 cubie2s and order 2 cubietrucks - probably be lot more from now on for all my little projects
<focus_it>
So far i buy 2 cubie1, 4 cubie2s and order 2 cubietrucks - probably be lot more from now on for all my little projects
<focus_it>
i respect tom an ben a lot for releasing their diagrams - it has practically no impact on their business - they keep upping their sales and moving forward taking all their friends and developers along in great strides. it provides a lot of security for anyone like me concerned about companies going under after releasing kit
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<focus_it>
the stuff we sell get supported for 20 years
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<focus_it>
without circuit diagrams and sources, my boss won't touch it
<focus_it>
but now that cubieboards are consistently releasing everything, he is carrying one cubie around for demos
<focus_it>
:)
<focus_it>
companies like us are never going to make something to compete with cubies - we are not in that line of business - but its a great motivator to buy cubieboards as the sources and hardware diagrams are in the open
<focus_it>
bought raspberries once - they didn't release their full diagrams after promising so much - what a bunch of diddlers!! That be why cubieboards win
<focus_it>
all our orders so far
<popolon>
focus_it, where are these diagrams ?
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<popolon>
I see block diagram , that display some parts on the card
<popolon>
schematics that is more a functionnal diagram
<popolon>
and some unreadable autocad DWG files
<popolon>
at least unreadable on linux
<popolon>
oh, there is cyanogenmod for cubieboard A10 :)
<popolon>
I would like to see xiaomiUI roms for android
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<focus_it>
I just check it - not accurate!!! the DDRAM is wrong model on the circuit diagram - the flash chip no datasheet anywhere on web - can't check or its not an accurate part number
<popolon>
focus_it, which file here ?
<focus_it>
scroll down to section 2.2 cubietruck and its the second file 2.5Mb size
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<kriegerod>
focus_it: did you figure out something about that schematics mistake in docs?
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<kriegerod>
focus_it: also interesting to hear what applications your company produce
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<focus_it>
kriegerod: my company produces electrical testers, the rest is hobby
<popolon>
but this is a logic explaination, not the pcb schema, isn't it ?
<popolon>
I had the same thing with the amiga 500 included manual or oric one, if I'm not wrong
<popolon>
but it should probably not so hard to redo the whole pcb with this informations ?
<popolon>
Some on wikipedia said this was not opensource hardware, because there was not the pcb...
<popolon>
DDR3 ?
<popolon>
cool
<popolon>
why not LPDDR3 ? but that should consume less power ? but at least this is recent memory
<popolon>
this is also sad, that on the arm devices, the ram are soldered and not in plugable slots
<popolon>
this will probably be the case in near futur ?
<popolon>
Cortex A7, with the LPAE is able to manage until 1 TB memory, but that's perhaps not the case of the Allwinner a20 memory controller ?
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<focus_it>
popolon: there is enough information to make PCB - but not enough to do the engineering. Like making car - but no instructions on what tyre pressure to set at, or idle speed to set at etc to make a working car.
<focus_it>
if you be engineer, it can be worked out
<focus_it>
from knowing what they should be
<popolon>
ok, so could it be considered open hardware for you ?
<focus_it>
yes because the diagram is enough for engineers to be getting on with the work of making their own - though it would not result in a duplicate because the pcb layout would all have to be worked out
<focus_it>
this is how it still is with chips up to around 200MHz. Nobody cares - they just give you drawing and you make your product.
<focus_it>
Why SoCs about 200MHz are guarded like pigs in a sty I'm not sure - there is no benefit to the SoC makers to guard information like that - they loose sales
<focus_it>
SoCs above 200MHz
<focus_it>
pic a cortex0, 1, 2, 3, or 4, you got no troubles
<focus_it>
pick a bigger CPU and you got 1000% problems
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<focus_it>
Pick any chip from microchip or atmel, you got no trouble
<focus_it>
Allwinner broke the ice by releasing some information. They beat up intel on the back of it.
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<focus_it>
So to win, all that the China and Far East SoC makers have to do is release full information on their chips, and refuse to sign anything that looking like an NDA or gagging order that prevents them from freely giving out datasheets which in turn would hurt their sales.
<focus_it>
no data sheet == no sales
<focus_it>
release data sheet == plenty of engineers working on making products and making money for the SoC maker
<focus_it>
i don't understand which bit of that the China SoC makers and Far East SoC makers do not understand
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<freq>
release data sheet and possibly lose your design
<focus_it>
I sense there is a lot more keenness to give information - but its still not a free thing where you just point at their web site and click to download
<focus_it>
freq: then how come microchip, atmel, st, nxp, nuvoton etc all release their chips? <200MHz they seem to have no problems. Above that, it is the SAME CHIP but they behave like pigs
<freq>
I think it's because the faster speeds bring them most of their income
<focus_it>
hardly - they don't sell anywhere near as many and have to charge higher prices to recover costs
<freq>
ah okay. just my guess
<focus_it>
the microchip PIC chips for example, one customer Samsung buys 1 billion chips in 9 months
<freq>
I'm running my cubieboard A20 right now and it's just nice.
<freq>
I would imagine that the more they are purchased, the less they are worth though.
<focus_it>
to get volume, you need lower prices
<focus_it>
high end socs have no volume
<focus_it>
allwinner changed that by selling for $7 a chip would otherwise sell for about $30
<freq>
Yeah that's what I can relate to when buying components like resistors. They sell you one for $5 and 100 for $10
<focus_it>
they beat intel with that strategy and made a massive profit
<freq>
There is no way I as a simple repair consumer needs 100 resistors.
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<freq>
focus_it: that's very cool, but where is their limit? When will the run out of designs
<focus_it>
never?
<freq>
focus_it: nah. i just repair what breaks in the house
<freq>
I keep my boxen under 15
<freq>
I run the cubieboard because it does all that I need.
<focus_it>
most cpus are fundamentally same - socs are different in that they add other bits of functionality found in peripheral chips to the the CPU into one chip
<freq>
It runs 24/7 and I don't see it on the electric bill
<focus_it>
i just did that with a cubie1 today - replaced the 200W intel camera logger that logs 6 cameras that take 1 picture a second with a cubie1 and 1TB disk
<focus_it>
total power drain is <20W
<focus_it>
cpu usage is about 5%
<freq>
do the cameras have their own power
<focus_it>
own power
<freq>
Yeah or are they usb
<focus_it>
connect by wires or wifi to hub
<focus_it>
then ftp the data into cubie1
<freq>
Okay so they run on batteries or wall outlet
<focus_it>
wall socket - but easy enough to battery them up
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<focus_it>
require regulated 5V
<freq>
I ran a webcam on my cubie2 overnight and got pretty good results using motion over usb
<freq>
I was able to grant the LAN access to the stream also
<focus_it>
i note cpu usage high when i tried it
<freq>
what OS do you use for it
<focus_it>
these cameras are the foscam series
<focus_it>
they have linux and have web server on them and ftp data out
<freq>
Oh that's a nice thing
<freq>
I wonder what kind of cpu is in those?
<focus_it>
some nuvoton chips
<focus_it>
low spec
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<freq>
I used to run a thinkcentre Pentium D
<freq>
3.2ghz
<freq>
I think that this cubieboard handles some things better than that did.