Bug in led control on us sgs III variants - Galaxy S III General (US Carriers)

As many know there is a bug in the usa variants of the sgs III led control api's.
Apparently blinking does not work and the tuples to control the led in hex are mixed up. Usually it is just like HTML color tuples ie RRGGBB for red, green, blue where each tuple is hex 00 to FF.
Ie. red is FF0000. Blue normally is 0000FF.
In our phones the order is GGBBRR, and if that is not bad enough the red tuple is always stuck on Max or FF no matter what value is sent in. Therefore, it us impossible to get some colors on our phones through the normal api's that require red to be off such as green, blue, or cyan.
Here are the hex tuples that we can set on our phones. I got these results with trial and error using led tester from the market.
Orange 620000
Red 0000ff
Purple 006300
Pink/magenta 001100
Yellow ff0000
White ffff00
Any of these can have any digits in the last tupple which is red on our phones and have no effect on the API calls.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Noob question sorry - This is software related right? So Samsung or a Dev could fix this with a patch of some sort?
Sorry if that seems like a silly question.

Yes it is sw related. with direct control like the internal led notifications set under system it can blink the led blue and I have seen green for charging complete.
What I wonder is if it could be as simple as getting a lib or .so file from the euro sgs III where this problem does not occur. Anyone who knows more than me care to chim in.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Related

Notification Light?

Does the htc Legend have a notifications light ?
yes, there is a led next to the speaker..
Sent from my HTC Legend using the XDA mobile application powered by Tapatalk
Okay thanks, this for emails sms's etc ? just thought it was a charging light
yes its for everything, however it only appears to be orange and green and not multi-coloured like the old trackball LEDs of previous phones
i think that with the first roms will be also possible to modify the speed and the colour of the led..
Yeah hopefully, hope to see the roms comming, ordering my legend tomorrow
yeah..the notification light either is in Orange or in Green....
having a great experience on it..
there is an usefull app named Blink where you can set the frequency, events and timing etc.. of the LED notifications. The color setting of Blink don't work on the legend, only red and green unfortunately.

Notification LED Multicolor (App to toggle blue+green+amber led included)

I've written an app that can enable and disable the blue led with a toggle. I would like to know for who this works. Please test it and tell me .
Old Post:
ChaosR said:
For some reason my Desire went buggy and crashed at some point. However something amazing happened.
Contrary to popular believe, there are more colors than red, green and orange. My Desire's LED flashed blue and purple. Now I searched the forums and could not find any topic that confirmed this, nor on google, so just to let you guys know .
Next point on the list is finding an application that can tweak them
Click to expand...
Click to collapse
EDIT: Seeing the recent activity in this thread, I want to tell you this app was written a long time ago. It does not function on any recent roms. There are loads of other apps out there that can control your led.
Picture ??
lennshow66 said:
Picture ??
Click to expand...
Click to collapse
Gheh, it only showed for like a few seconds, then the phone restarted, I will try to replicate the bug, but I expect I will be unsuccessful .
Interesting. I got my Desire yesterday and installed the Touchdown app for corporate connectivity. In TD's settings you can customise the LED behaviour to select different colours (beyond red, green and amber) for different events. Tried it and it just flashed green, but why have these settings if there's not a way to do this...interesting
I have been able to replicate the bug. This is how I do it:
1. Turn on Bluetooth
2. Receive a text message while charging
3. Disconnect from charger
4. Turn off screen
5. Reconnect to charger
6. My led will glow purply
7. Disconnect the phone from the charger
8. Led starts flashing blue, orange and purple
9. Phone reboots
Taking pictures as we speak
Re: MultiLed Colors
I have been able to replicate the bug. This is how I do it:
1. Turn on Bluetooth
2. Receive a text message while charging
3. Disconnect from charger
4. Turn off screen
5. Reconnect to charger
6. My led will glow purply
7. Disconnect the phone from the charger
8. Led starts flashing blue, orange and purple
9. Phone reboots
Taking pictures as we speak
Click to expand...
Click to collapse
Interesting. Get these pics up ASAP lol
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Sent via the XDA Tapatalk App
I've added the images. It was too hard to take a picture of the blue color. But at least here is purple.
PS. images are in the first post
EDIT: Also, I should add, I have been unable to duplicate the color for a second time. No idea why it happens. Just happy I was able to get these pictures
i did what you said. no special colors but strange things happens. no reboot
Re: Notification LED Multicolor (Picture of purple included)
Looks like the desire does some how support multi colours :S there must be a way to enable this fully within the codes. I will be donateing if the devs can get this to fully work
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Re: Notification LED Multicolor (Picture of purple included)
I have to say u r pretty legendary to find that bug.
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supasye said:
I have to say u r pretty legendary to find that bug.
Click to expand...
Click to collapse
I have tried and tried and I have been unable to replicate this bug from this point on. I'm so happy I was able to take the pictures. I think it's because of a semi-faulty flash that I have this bug. Even though the randomality of it suggests it might be more of a hardware bug. We do however now know it has a blue led too. So cyan and white should be possible as well. I just wonder, why go through the trouble of a adding a full multicolor led, if you are only going to use 3 colors of the possible 7.
there might be something as simple as a voltage problem.
most leds will change color when you increase voltage and/or overload them.
the first few times you won't see any damage, but eventually the changing color might be permanent and then it's just a matter of time before the led just brakes.
so there is a change that it's not multi color, but the phone just overloads the led while crashing.
When I looked down the headphone port I could clearly see the red and blue led burning. I do really think there is a blue led in there.
Re: Notification LED Multicolor (Picture of purple included)
When I looked down the headphone port I could clearly see the red and blue led burning. I do really think there is a blue led in there.
Click to expand...
Click to collapse
Legend: D
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Haa nice one mate
Well we know there is a Red and Green led for definite so having a Blue as well means we have multi colour. Now we just need a way to use it
There's no way that type of colour came from overloading the phone as when an LED overloads it just blows, it doesn't change colour to that extent.
Re: Notification LED Multicolor (Picture of purple included)
Well we know there is a Red and Green led for definite so having a Blue as well means we have multi colour. Now we just need a way to use it
There's no way that type of colour came from overloading the phone as when an LED overloads it just blows, it doesn't change colour to that extent.
Click to expand...
Click to collapse
Agreed lol. Just need the devs to add the code somewhere to enable this colour
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This should really be moved to the dev section, let the guys play with it, i dont think too many devs trawl through the ****e on the general forum, with questions like "how do i make a call on my phone".. lollol
Start a new thread on the dev section, im sure this will be picked up by one of the wizzes
JD
Heh, I'm sorry guys, but we already know there's a BLUE led inside.
This LED works a bit differently from the other LEDs, however.
Theres no need to do advanced tricks to show the blue LED, you
can easily enable it:
echo 1 > /sys/devices/platform/leds-microp/blue/brightness
From within a terminal emulator.
the blue LED is, however, missing the 'blink' property, as the Green and Amber LEDs do.
And yes, it is also possible to turn other LEDs on at the same time, so you can make purple by enabling the BLUE and Amber LEDs.
ieftm said:
Heh, I'm sorry guys, but we already know there's a BLUE led inside.
This LED works a bit differently from the other LEDs, however.
Theres no need to do advanced tricks to show the blue LED, you
can easily enable it:
echo 1 > /sys/devices/platform/leds-microp/blue/brightness
From within a terminal emulator.
the blue LED is, however, missing the 'blink' property, as the Green and Amber LEDs do.
And yes, it is also possible to turn other LEDs on at the same time, so you can make purple by enabling the BLUE and Amber LEDs.
Click to expand...
Click to collapse
Then can we not just simply integrate that command into our applications for use of the blue LED?

[Q] Notification LED

So I was playing around with lightflow on my nexus 4 and I noticed that the red LED is kind of prominent when the notification light pulses when I have any color selected with red in it. There's a red glow at the top of the notification light when it pulses, which makes blue half purple, yellow half red-orange, and white pink/purple. The picture is kind of bright, but you can kind of see what I mean (it's supposed to be yellow). It's a lot more visible in real life... Does anyone else have this too?
cheeseypuffles said:
So I was playing around with lightflow on my nexus 4 and I noticed that the red LED is kind of prominent when the notification light pulses when I have any color selected with red in it. There's a red glow at the top of the notification light when it pulses, which makes blue half purple, yellow half red-orange, and white pink/purple. The picture is kind of bright, but you can kind of see what I mean (it's supposed to be yellow). It's a lot more visible in real life... Does anyone else have this too?
Click to expand...
Click to collapse
Looks yellow to me brotato.
But yes, I think it's normal to get glimpses of other colors. Happened on gnex and gs3 too.
-Sent from my Nexus 7.-
How do you even configure the LED I couldn't find a way to do this (never had a phone with notification LED before)
In fact I haven't seen the notification LED at all, I can't test SMS messages because my Micro-SIM isn't here yet, but all other kind of notifications had no effect.
Where do I find the LED settings
EDIT: Ok, It seems like there is a notification if I receive a mail (gmail), but not for all notifications. Is this normal?
(If you can tell me how it works I can check if I have a red glow)
Use light flow, download from play.
Sent from my HTC Explorer A310e using xda premium
Slightly topic related question. (apology for slight double post - question sits better here - not worth another thread)
Q1 : When charging I have no lights/led indicators illuminated (on both stock and aokp) - is this the normal? - intended behavior?
I'm used to HTC/Samsung, that tend charge at one colour (amber/red) and then display another colour when full (green). This would seem sensible to me, so that we ensure that we don't over charge the battery and over heat the phone?
Q2 : Another favour to ask: can someone please post a close up picture, of the two Nexus 4 USB cable plugs, as I've managed to confuse several USB leads and don't know which came with the Nexus, which I may need for an RMA return?
Thanks in advance
An RGB LED is basically 3 LEDs crammed into one housing. It's just like a pixel on your monitor, but larger. If you were to zoom in on your monitor you would notice the three individual colors. It just so happens that the red part of the LED doesn't diffuse throughout the housing as well as the other colors do.
karanrajpal14 said:
Use light flow, download from play.
Click to expand...
Click to collapse
I see, it's done using an app.
I can see a small red glow at the top (I guess) but it's really small and I wouldn't even have noticed without this thread. (Maybe it's because I am red-green colorblind, but I don't think this has a great effect here)
BTW: Is there a more advanced possibility to control the LED in Cyanogenmod or is it a good idea to pay for light flow (I'm especially interested in support of steam)?
ben_pyett said:
Q1 : When charging I have no lights/led indicators illuminated (on both stock and aokp) - is this the normal? - intended behavior?
I'm used to HTC/Samsung, that tend charge at one colour (amber/red) and then display another colour when full (green). This would seem sensible to me, so that we ensure that we don't over charge the battery and over heat the phone?
Click to expand...
Click to collapse
Yes, by default there is no LED notification of the charge status. You can use Light Flow (including the free version) from the Play Store to add this behavior, as well as controlling notifications for all sorts of events (not just LED notifications -- sounds and vibrations, as well).
You don't need to worry about overcharging the battery, though. There is a protection circuit built in that prevents issues of that sort.
ben_pyett said:
Slightly topic related question. (apology for slight double post - question sits better here - not worth another thread)
Q2 : Another favour to ask: can someone please post a close up picture, of the two Nexus 4 USB cable plugs, as I've managed to confuse several USB leads and don't know which came with the Nexus, which I may need for an RMA return?
Thanks in advance
Click to expand...
Click to collapse
--Here you go--
Hidden92 said:
BTW: Is there a more advanced possibility to control the LED in Cyanogenmod or is it a good idea to pay for light flow (I'm especially interested in support of steam)?
Click to expand...
Click to collapse
CM allows you to set colors and flash rate per app, Lite flow allows this too, Lite flow (paid) allows you to add additional apps beyond the standard ones (Gmail, SMS, Facebook, etc).
Brad S said:
--Here you go--
Click to expand...
Click to collapse
thanks, but I wasn't able to see any attachment? *confused*?
EDIT: I can now, XDA/browser issue, seen it now - so resolved and thanks
I'd suggest you try out the lite version of light flow first then decide to buy it or not. It's worth the price AFAIK!
Sent from my HTC Explorer A310e using xda premium

[LED]Blue & Red Notification LED not working

Hey all,
Sorry if a similar problem has been posted before, but my blue and red notification LED's aren't working.
The other day, i sent my nexus 4 away to get fixed (USB/charging port was broken), and when it was returned i noticed that all notifications flashed green.
I've tried:
- turning the "pulse notification light" on and off.
- Testing the LED via light manager (only green works).
So I've come to the conclusion that the red and blue parts of the LED are broken/faulty.
Is there another fix i could try ??
Perhaps the LED wasn't reconnected properly when being fixed, is it easily accessible ?
Thanks
-Craig
Craigw0w said:
Hey all,
Sorry if a similar problem has been posted before, but my blue and red notification LED's aren't working.
The other day, i sent my nexus 4 away to get fixed (USB/charging port was broken), and when it was returned i noticed that all notifications flashed green.
I've tried:
- turning the "pulse notification light" on and off.
- Testing the LED via light manager (only green works).
So I've come to the conclusion that the red and blue parts of the LED are broken/faulty.
Is there another fix i could try ??
Perhaps the LED wasn't reconnected properly when being fixed, is it easily accessible ?
Thanks
-Craig
Click to expand...
Click to collapse
The obvious answer is the one you're not trying to hear, and that is to send it back.
Sent from my Nexus 7 (2013)
GEEK LESSON.:thumbup::thumbup:
Multi coloured LED,s are nearly always made up of 3 colours any other colour emitted from them is a mix of those 3 colours this is controlled by different metals / mineral e.t.c inside the LED and a chip that passes a different current to the led e.g say you wanted green the current would pass through the gallium phosphate (band) part of the led thus creating green. ( Said in easy to understand terms)
What I am trying to tell you is its next to impossible for this to break .(LED,s are near on bomb proof).
Either a cheaper LED has been replaced (unlikely as they cost very little) Or a software fault. The other colours just don't break .
As Berrydroidcafe says if this is a genuine fix from a nexus approved service you have been ripped off and should seek another replacement or fix . That's if you can't live with just a green LED.
Below is a chart explaining the elements used inside the LED which makes up the different colour spectrum .
Sent from my Nexus 4 using XDA Premium 4 mobile app

LED wrong color

Hi
somebody recognized that if you get a WhatsApp Message (group message) and the stock color white is chosen, the first 1,2,3 times the LED blinks Red till it changes its color to white?
is there a fix for it?
You at least get red and white, my led only shines blue no matter what i set lightflow to.
That is a little worrying. On mine it's similar to OP's description. I have read a few other reports. I was/am hoping software issue, but if its different degrees of severity on different phones it sounds like a possible hardware issue.. I wonder how common it is, I have read some reports but not many.
Seems to be a device default beavhiour. http://forum.xda-developers.com/showthread.php?t=3362364
Sended from my Samsung Galaxy S7 Edge Gold Platinum
Hi guys, I noted another thing. I selected I white led for notifications, but it always blinks with a purple one. Until now I never saw the white color, how is that possible?
Inviato dal mio SM-G935F utilizzando Tapatalk
Same here. Instead of White it's an light Blue. I tried an app to test the Led Colors. Even if I choose White in this App, it's light Blue too.
Same here. Very strange.
Inviato dal mio SM-G935F utilizzando Tapatalk
Same here. Seems almost like the LED isn't physically capable of true white.
Remember the LED on the old S3? It was awesome!
I wished there was an option in settings to set the LED light for individual apps.
the white color does not exist,the default led is blue..so..the white will be converted to blue
Mehigh101 said:
the white color does not exist,the default led is blue..so..the white will be converted to blue
Click to expand...
Click to collapse
No, the LED is capable of generating multiple colours (using something like Light Manager), but you never quite get true white. Mine appears a pale pinkish colour when I select white.
Rabangus said:
No, the LED is capable of generating multiple colours (using something like Light Manager), but you never quite get true white. Mine appears a pale pinkish colour when I select white.
Click to expand...
Click to collapse
Exactly. The software is bugged,a led can emit any color.

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