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Questions tagged [usb-otg]

USB On-The-Go is a USB (Universal Serial Bus) specification that allows a device to act as Host to simpler gadgets, such as flash drives, but then also act as a "slave" device to other Hosts, such as a personal computer.

USB On-The-Go is a specification that allows a device to act as host to simpler gadgets, such as flash drives, but then also act as a slave device to other Hosts, such as a personal computer.

See:

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Android device is not recognize attached USB

I'm making application that needs to comunicate with device baseed on FTDI FT230X chip. My applications runs fine and communicate with device perfectly. But on some other mobile phones or tables this attached USB device is not recognized even if…
Josef
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Communicating with custom made USB device on android

I am building an application to communicate with a custom made board (PIC16F1454) through USB. I tested the board communication using terminal applications on the phone and the laptop and it works perfectly. I built an application to send and…
Mahdi Chamseddine
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Virtual com communications with no usb2uart bridge?

I'd like to connect a beagleboard-like (custom developed) omap board to a Windows PC using a virtual-com setup. That is, i'd like the board to appear to Windows as a com device and get the COM to send data to our application on the board. The main…
perencia
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android otg swap with touch keyboard

I'm new to android development. My first project needs a barcode scanning. I'm giving an option through OTG now. Now in my screen one more text box needs which takes input from keypress(for quantity). But in my android device keyboard is not getting…
Binesh Nambiar C
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Capture LogCat when USB is busy (to SDcard)

I've already tried with no success to find a clear answer for this here, so forgive me if the answer is obvious. I'm developing an app that communicates with external devices using the USB as OTG. The problem is when a crash occurs, I can't debug it…
Mark
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Arduino being recognized as keyboard by android

I wrote a simple firmware for arduino to replicate whatever incoming data it recieves on serial to the serial output. Something like this: int serialData = 0; void setup() { Serial.begin(9600); } void loop() { if (Serial.available() > 0) { …
whizzzkid
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Android - How to get two or more SD Cards' path from Card Reader using OTG to connect our phone?

Hi everybody~~ I want my app to detect USB device(EX: flash, card reader) plugin and plug out. And also can get all SD Cards' paths which are plugin in my card reader. How can I get them?? I have already try to use BroadcastReceiver to catch…
user2738475
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Two android devices setup socket communication via USB

I want to setup socket communication between Android Tablet and Android cellphone via USB. My Idea is using the " ADB foward " after the two devices connect each other viar usb otg. Or do you have any better ideas? It seems that both two devices…
Ray Jay
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Trying to get OTG to work on Android device

I am working on a custom hardware for an Android-tablet using the VNC2 chip. On the VNC2 chip I have flashed some custom firmware I have made. I have set the USB VendorID to 0403 and USB ProductId to 6001. I also have an Android-app I am working on.…
www.jensolsson.se
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Synopsys USB OTG Controller (2.65a) occasionally truncates isochronous IN in USB device mode

I'm using a Synopsys OTG core in device mode. Programming an isochronous IN high speed endpoint (USB 2.0) for the maximum transfer per microframe (3 packets of 1024 bytes) using a periodic FIFO dedicated to this endpoint. It works 99+% of the…
Andrew Cottrell
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USB device is not detected properly

I am using am335x board.USB device is detected when it is inserted while booting up the board. after the board is booted up, i unplug the device and is inserted again,it is not detected.usb driver switches off the vbus session when a device is…
user1312678
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Communication between App inventor 2 and Raspberry pi via usb?

I plan to create an android app that can take pictures and send them to a Raspberri pi 2. Even if I can use a Raspberri pi 3 or connect a bluetooth usb or wifi, I prefer to have a communication via usb only. What is the best option for a simple…
Zorro
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Accessing Digital Signature Token on android mobile

I am trying to develop an android app which has a functionality to digitally sign the document. I am using OTG cable to connect the Digital Signature Token (say Moserbaer token) with mobile phone. But android is not recognizing the Token (It is…
Sanjeev Jangra
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Forward USB/IP to physical USB OTG port

I am currently trying to connect an iPad to a mac via the network, without using an existing software like virtualHere, USB network gate ... I came across USB/IP for Linux: http://usbip.sourceforge.net/. I because there is no OSX version, I thought…
Jonaswinz
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Which Android device should I use for debugging USB Host mode?

I need to debug an Android app that uses USB Host mode to talk to Arduino. It looks like Android Studio Virtual Devices don't have USB, so I need a hardware device to debug my app. The problem is every phone I know has only one USB port, which is…
Sergey
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