[WIP] USB Host support (working)

dnastase · Apr 29, 2014

This instance of the keyboard works fine on every other computer I've tried it.
The type is also fine, I have five of them and use them at work and home, never had any issues.

Model number is: A1242.
This is what lsusb reports: ID 05ac:021d Apple, Inc. Aluminum Mini Keyboard (ANSI)

Maybe it's my kernel.

Linux nook 2.6.29-omap1 #176 PREEMPT Wed Dec 5 12:36:15 CET 2012 armv7l GNU/Linux

It's the install-kernel-usbhost-176.zip that was vehiculated. But I've tried the binaries.zip thing, same behaviour.

NOOK!E · Aug 26, 2014

It worked!

My Perixx keyboard and OTG cable just came in the mail. I installed the patched uImage and uRamdisk, installed UsbMode.apk, followed the instructions, and HOORAY! It works! My keyboard works on my NSTG!

Thanks so much, Renate and team!

ameth · Mar 9, 2015

Hello!
Is it possible to port that uImage/Ramdisk or binaries to Nook GlowLight 2013?

I have both of them - Nook Simple Touch (no Glowlight) and Nook GlowLight 2013 (without SD-card and physical buttons, like on a picture).
So this stuff works perfectly on NST, but requires a propriate kernel for NGL.

NOOK!E · Mar 10, 2015

ameth said:
Hello!
Is it possible to port that uImage/Ramdisk or binaries to Nook GlowLight 2013?

[image]

I have both of them - Nook Simple Touch (no Glowlight) and Nook GlowLight 2013 (without SD-card and physical buttons, like on a picture).
So this stuff works perfectly on NST, but requires a propriate kernel for NGL.

As of right now, nobody has attempted it (at least, to XDA's knowledge), but if you have experience with Nooks, you may as well give it a shot if you like.

FreyaBlack · Apr 5, 2015

Thanks for the updated Qwerty.kl file Renate! It's a really big improvement.

I tried to edit it for UK keyboards and while I managed to get the # (hash) key working okay I havn't found a way to swap the " and the @ with one another which is the other big infuriating difference on UK keyboards. The file only seems to let you change the function of the entire key and not just the shifted state. On UK keyboards if you press shift and 2 you get " whereas there is a special button for @ next to the semicolon.

It's a big problem as it's quite common to need to quote people and obviouly email and twitter both make use of the @ symbol too.

Is there an easy way to fix this?
I havn't found one yet.

Freya

Renate · Apr 6, 2015

The mapping of keyboard to character occurs in two stages.
The first is the mapping of the the scancode to the button.
The second is the mapping of the button and the shift/alt keys to the character.
Use your hex editor (or whatever) on qwerty.kcm.bin

Code:

modfile qwerty.kcm.bin 4a 22 [i]// switch over the two to double quote[/i]
modfile qwerty.kcm.bin  34a 40 [i]// switch over the single quote to at sign[/i]

aiamuzz · Apr 10, 2015

ИΘΘK¡€ said:
My Perixx keyboard and OTG cable just came in the mail. I installed the patched uImage and uRamdisk, installed UsbMode.apk, followed the instructions, and HOORAY! It works! My keyboard works on my NSTG!

Thanks so much, Renate and team!

will a usb flash drive be readable through the OTG ?
What all USB devices does it support ?
3G dongle, etc ... not that it make sense at the cost of battery, but just trying to understand the scope.

Where can i find the instruction set to get USB host up and running(i have the latest 1337 ROM and UBHost apk installed) ?
I tried connecting the USB flash drive and opened the USB host apk tried clicking on the various option, but never got any response, the flash drive light never came up.

thanks,

NOOK!E · Apr 10, 2015

@aiamuzz

Your Nook will recognize pretty much all USB storage devices (USB sticks, cameras, voice recorders, even other phones/tablets) and keyboards. I don't know about much more than that.

For getting stuff all set up, take a look at my guide here.

Renate · Apr 12, 2015

A quick way to tell if something is at least semi-supported:
Look at your USB tree with the device connected in UsbMode.apk.
If there is a check mark next to the interface then there is a driver at least loaded.
Storage devices will still need to be mounted somehow (with a daemon or in init.rc or manually or somewhere).

nhedgehog · Oct 15, 2015

TTS working?

Renate NST said:
I still haven't managed to figure out with the drivers how to make a good quality recording,
but I did get the text-to-speech working.

As all TTS, it is amusing.
You have to fill /system/tts/lang_pico with language packs that you download and copy over.

I know this thread is quite old but back to my Nook ST I stumbled over audio vio OTG and got a working adaptor. Now I'm struggling to get other TTS than pico working on it. I can't even select between different TTS machines.

nmyshkin · Nov 3, 2015

Renate NST said:
Ok, here's a summary.
Depending on what you want to do not all of this may be required.

For basic recording or Skype

Modify /system/lib/hw/libaudio.so

Code:

[00009188] B1 F5 FA 54 => 70 BD 00 BF [000091EC] 6C 33 => 00 05

Patch /system/framework/framework.jar with AudioRecord.smali using mergesmali, in signature, in Nook121patch

I do not have libaudio.so in /system/lib/hw. Rather it is in /system/lib. Is that right?

If so, how do I make the changes (which look like HEX?) Can I do that through ADB shell using the literal lines shown?

I *think* I have managed to do the smali work on framework.jar, but the other modification is puzzling to me.

Renate · Nov 3, 2015

Yeah, the audio was really half-baked on the Nook.
It took a lot of modifications.

Those mods are with your favorite hex editor.
You can pull the file onto your desktop, mod it there, then push it back.

nmyshkin · Nov 3, 2015

The good news is that I didn't brick my NST

But I don't seem to have made any discernible difference either, except that in AudioCtrl there is now a long list of recording formats showing. I've tried the test call in Skype and the app doesn't seem to know I have a microphone. I downloaded a couple of simple voice recording apps from the PlayStore and while most of them run they don't seem to record anything except for possibly a low-volume level rumble that might be imagined as an extreme slo-mo voice playback. Maybe.

I've checked to make sure the hex edits are actually there (they are). I didn't have a copy of libaudio.so in /system/lib/hw (mine was in /system/lib) so after the initial failure I added a copy of the file to /system/lib/hw and rebooted. No difference.

There's no way for me to check the framework.jar, I suppose, to see if the mergesmali operation went correctly, but the file is clearly not so corrupted that the NST can't do it's normal stuff and the size of the amended file is 14 KB larger than the original, so something happened there. I did NOT sign the modified jar because I didn't know how to get the system signature on it and I figured it would either work or not.

So what do I look at next?

stadros83 · Nov 26, 2015

Hi,

Sorry if it was already asked but didn't find ...

Is it possible to use the Host mode and to charge the Nook (and the device connected) at the same time with a USB POWERED HUB ?

Renate · Nov 26, 2015

Yes, it is possible with the Nook to charge while in USB host mode.
Because this is a bit of an unusual thing to do, you might use the UsbMode.apk (below) to monitor/adjust the charging current.

You will need something that will feed current back to the Nook.
There are "Y" power cables that do that, but my favorite is just to use a "back-powering" USB hub.
Some cheap USB hubs don't isolate the wall power supply from the upstream USB.
Other USB hubs have a diode which you can just short across.

See: http://xdaforums.com/showthread.php?p=25639514#post25639514

stadros83 · Nov 29, 2015

Thanks !

And is it working the same with the Nook Glow Plus ?

albrow · May 18, 2016

UsbMode-2.1 with SuperSU

Hi

As SuperUser hasn't been updated for a few years, I thought I would try swapping over to SuperSU (2.6.5, for compatibility with some older apps). After doing so, UsbMode has started to throw up a write error when selecting Peripheral, OTG or Host mode. At a guess, it looks to me like UsbMode-2.1 isn't requesting root in a way that SuperSU can recognise.

Is it just my NST (running 1.2.1 with latuk's kernel) which is doing this, or can anyone else replicate it? And can anyone work out why it might be doing it?

Alex

nmyshkin · May 19, 2016

albrow said:
Hi

As SuperUser hasn't been updated for a few years, I thought I would try swapping over to SuperSU (2.6.5, for compatibility with some older apps). After doing so, UsbMode has started to throw up a write error when selecting Peripheral, OTG or Host mode. At a guess, it looks to me like UsbMode-2.1 isn't requesting root in a way that SuperSU can recognise.

Is it just my NST (running 1.2.1 with latuk's kernel) which is doing this, or can anyone else replicate it? And can anyone work out why it might be doing it?

Alex

Back in the day I was allowing my apps to update from the Market when a new version became available that was still compatible with the NST. One day, SuperUser updated and started behaving oddly, not to mention was not fully readable on the screen when it threw up a message. I went back to the original SU provided with NookManager and turned off automatic updating on all my NST apps.

I'm running latuk's kernel with the USB audio enhancements on 1.2.1. I've not had any issues with the older version of SU.

Realistically, the chance of a useful update for apps that will run on the NST seems remote. Most of us search diligently for older versions that run well and bring out the best in our devices.

Renate · May 24, 2016

albrow said:
At a guess, it looks to me like UsbMode-2.1 isn't requesting root in a way that SuperSU can recognise.

Sorry, very busy. This is on my list of things to look into...

UncaughtError · Jun 7, 2016

sound clicking?

Hey guys! First of all I want to say a big Thanks to Renate and to all of you guys.

I have a lot of fun with my NST, and just for fun (c) I decided to play with audio usb (C-media).
Everything is OK, but (sadly) sound is "clicking" 90% of the time, sometimes (randomly) sound is clean and clicks (very silent) appear if I type something in terminal (I have sshd on Nook). I dunno about the reason, I've tried anything: killing mediaserver, killing some heavy aps, reconnecting usb card...

alsa:

HTML:

defaults.ctl.card 1
defaults.pcm.card 1
defaults.timer.card 1

ctl.AndroidOut
{
   type hw
   card 1
}

ctl.AndroidIn
{
   type hw
   card 1
}

alsa_amixer

HTML:

Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch pswitch-joined penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 151
  Mono:
  Front Left: Playback 150 [99%] [-1.37dB] [on]
  Front Right: Playback 150 [99%] [-1.37dB] [on]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined penum
  Playback channels: Mono
  Capture channels: Mono
  Limits: Playback 0 - 127 Capture 0 - 16
  Mono: Playback 0 [0%] [0.00dB] [off] Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Auto Gain Control',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]

[WIP] USB Host support (working)

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