The IOIO device works in any case. And you can connect it via Bluetooth (with a little try and error for the right BT dongle :-))
2013/3/1 Tux Leonard <[email protected]> > Look for a device with a FTDI chip. > You also could write your own Linux driver that supports your USB-RS232 > chip and then get it working in your phone. So a little try and error is > much faster. > When you've done this, you need to implement the serial protocol of your > sensor. > > Is this sensor expensive? > > Roy > > > 2013/2/28 Marta Ribeiro <[email protected]> > >> Yes I have tried and it works perfectly. The mouse and keyboard are >> instantaneously operational. >> >> I'll try to find another USB-RS232 converter. But apart from >> experimenting with them, which other way can I know if a cable is supported >> by android/Linux? >> >> Thank you for your help! >> >> >> On Thursday, February 28, 2013 10:46:14 PM UTC, Tux wrote: >> >>> This app can open a serial connection if a working USB-RS232 device is >>> detected. The other app only shows the infos. >>> >>> Do you have an other USB-RS232 converter? This one is not supported by >>> android/Linux. >>> Just to make shure that your OTG cable is ok. Can you connect a USB >>> mouse or keyboard to your S3? >>> >>> 2013/2/28 Marta Ribeiro <[email protected]**> >>> >>> I can´t, with this app i get no device is connected. What would be the >>>> difference between this app and the last one? >>>> >>>> >>>> On Thursday, February 28, 2013 10:02:41 PM UTC, Tux wrote: >>>> >>>>> I am a little confused that you can see your sensor device in the >>>>> device info. >>>>> When I look at the data sheet I see that your sensor has a RS232 >>>>> interface. >>>>> >>>>> In the device info you should see something about the USB-RS232 >>>>> converter (for example FTDIxxx) and not the sensor info. >>>>> >>>>> In my case I get the following output (USB-RS232 converter): >>>>> [image: Screenshot_2013-02-28-22-51-33.png] >>>>> >>>>> Not all USB-RS232 are supported out of the box by android. If I >>>>> remember right the FTDIxxx devices are supported well. >>>>> A good app to get started is "Sick USB 2 Serial Terminal". Try to open >>>>> a serial connection with this app first. >>>>> >>>>> >>>>> [image: Screenshot_2013-02-28-22-53-21.png] >>>>> >>>>> >>>>> 2013/2/28 Marta Ribeiro <[email protected]**> >>>>> >>>>> I added the screenshots. As you can see, there is nothing on the >>>>>> android tab, mas it detects the device on the Linux tab. The sensor is >>>>>> the >>>>>> one described in one of the screenshots, is a microstrain 3DM-GX3-36. I >>>>>> connect a RS232-USB A cable to the microstrain RS232 interface, and >>>>>> connect >>>>>> the cable to a samsung galaxy S III (4.1.1) with a usb B/micro B cable. >>>>>> >>>>>> Do you have any idea what the issue might be? I appreciate all the >>>>>> help. >>>>>> >>>>>> >>>>>> On Thursday, February 28, 2013 7:25:45 PM UTC, Tux wrote: >>>>>> >>>>>>> Could you tell us what sensor and what RS232-USB device you are >>>>>>> using? >>>>>>> A scrennshot of the output of your app could also help. >>>>>>> >>>>>>> Roy >>>>>>> >>>>>>> 2013/2/28 Marta Ribeiro <[email protected]**> >>>>>>> >>>>>>> Additionally, I just noticed something, the application presents two >>>>>>>> tabs: Android plus Linux. According to android i have no devices >>>>>>>> connected. >>>>>>>> Whereas in the linux tab i find my device. Is this indicative of >>>>>>>> something? >>>>>>>> >>>>>>>> >>>>>>>> On Thursday, February 28, 2013 1:40:35 PM UTC, Marta Ribeiro wrote: >>>>>>>>> >>>>>>>>> Yes I can see my device. >>>>>>>>> >>>>>>>>> regarding the device file, it is in decimal, which I've head is >>>>>>>>> the correct way. I've check the values with the output of the >>>>>>>>> application >>>>>>>>> and after a conversion hexadecimal to decimal it's a match. >>>>>>>>> >>>>>>>>> Right now,I'm starting to thing the issue may be the usb.host >>>>>>>>> permission. Do you now if i'm missing something? >>>>>>>>> >>>>>>>>> On Thursday, February 28, 2013 10:34:54 AM UTC, al wrote: >>>>>>>>>> >>>>>>>>>> I would first check the hardware/cable etc. e.g. with the app >>>>>>>>>> "USB Device Info" https://play.google.com/store/******** >>>>>>>>>> apps/details?id=aws.apps.**usbDe******viceEnumerator<https://play.google.com/store/apps/details?id=aws.apps.usbDeviceEnumerator> >>>>>>>>>> >>>>>>>>>> If you can see your device in the android tab, then you are right >>>>>>>>>> and it's a software issue. >>>>>>>>>> >>>>>>>>>> I'm not sure about the device_filter.xml. Do you have to specifiy >>>>>>>>>> the values in hex or decimal? The docu uses e.g. class="255" and >>>>>>>>>> does not >>>>>>>>>> use a hex-only digit. That looks to me like it could be decimal? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Am Donnerstag, 28. Februar 2013 10:26:01 UTC+1 schrieb Marta >>>>>>>>>> Ribeiro: >>>>>>>>>>> >>>>>>>>>>> I am connecting the OTG micro B/USB B cable to an USB A/RS232 >>>>>>>>>>> cable. >>>>>>>>>>> >>>>>>>>>>> Any help you can provide I would appreciate! >>>>>>>>>>> >>>>>>>>>>> On Wednesday, February 27, 2013 7:03:51 PM UTC, Tux wrote: >>>>>>>>>>>> >>>>>>>>>>>> Hi, >>>>>>>>>>>> >>>>>>>>>>>> what kind of sensor are you using and what protocol (RS232, HID >>>>>>>>>>>> or plain USB) is used? >>>>>>>>>>>> I played around with some RS232 devices. Perhaps I could find >>>>>>>>>>>> the example again. >>>>>>>>>>>> Later I switched to a IOIO divice. >>>>>>>>>>>> >>>>>>>>>>>> Roy >>>>>>>>>>>> >>>>>>>>>>>> 2013/2/27 Marta Ribeiro <[email protected]> >>>>>>>>>>>> >>>>>>>>>>>>> I have the cables needed. I even installed an usb host app and >>>>>>>>>>>>> it worked correctly. now i'm trying to make my own application >>>>>>>>>>>>> and it's not >>>>>>>>>>>>> working, so it must be because of the code. Although i am writing >>>>>>>>>>>>> it >>>>>>>>>>>>> exactly as it advised in tutorials. >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> On Wednesday, February 27, 2013 5:35:44 AM UTC, softy wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Interesting.I don't know much about this but as at the same >>>>>>>>>>>>>> level you are I would have checked first wether the Samsung >>>>>>>>>>>>>> Galaxy S3 has a >>>>>>>>>>>>>> USB OTG sw support or not.You can try this by inserting a USB >>>>>>>>>>>>>> keyboard into >>>>>>>>>>>>>> it or a Mouse and see whether it is working. >>>>>>>>>>>>>> I think it has : >>>>>>>>>>>>>> *USB:*USB 2.0 client, 480Mbit/s >>>>>>>>>>>>>> micro-USB >>>>>>>>>>>>>> >>>>>>>>>>>>>> What you need is >>>>>>>>>>>>>> >>>>>>>>>>>>>> *USB:*USB 2.0 host/client, 480Mbit/s >>>>>>>>>>>>>> USB A >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> Rgds, >>>>>>>>>>>>>> -s >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> On Tue, Feb 26, 2013 at 10:50 PM, Marta Ribeiro < >>>>>>>>>>>>>> [email protected]**> wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> I'm using a Samsung Galaxy S3,and connecting to a sensor >>>>>>>>>>>>>>> using USB host and a OTG cable. I'm at the beginning phase just >>>>>>>>>>>>>>> trying to >>>>>>>>>>>>>>> write code to detect the sensor was attached but it's not >>>>>>>>>>>>>>> working. Can >>>>>>>>>>>>>>> someone take a look and tell me what they think: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> protected void onCreate(Bundle savedInstanceState) { >>>>>>>>>>>>>>> super.onCreate(**savedInstanceSt********ate); >>>>>>>>>>>>>>> setContentView(R.layout.**activi********ty_microstrain); >>>>>>>>>>>>>>> find_device = (EditText)findViewById(R.id.**fi******** >>>>>>>>>>>>>>> nd_device); >>>>>>>>>>>>>>> UsbManager manager = (UsbManager)getSystemService(**C***** >>>>>>>>>>>>>>> ***ontext.USB_SERVICE); >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> //connect(); >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> HashMap<String, UsbDevice> deviceList = >>>>>>>>>>>>>>> manager.getDeviceList(); >>>>>>>>>>>>>>> Iterator<UsbDevice> deviceIterator = >>>>>>>>>>>>>>> deviceList.values().iterator()**********; >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> while(deviceIterator.hasNext()**********){ >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> UsbDevice device = deviceIterator.next(); >>>>>>>>>>>>>>> Toast.makeText(this,"Value of device :" >>>>>>>>>>>>>>> +device.getDeviceName(), Toast.LENGTH_LONG).show(); >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> } >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> %%%%%% manifest %%%%%%%%%%%%%%% >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <?xml version="1.0" encoding="utf-8"?> >>>>>>>>>>>>>>> <manifest xmlns:android="http://schemas.********** >>>>>>>>>>>>>>> android.com/apk/res/android<http://schemas.android.com/apk/res/android>" >>>>>>>>>>>>>>> package="com.example.**microstra********in" >>>>>>>>>>>>>>> android:versionCode="1" >>>>>>>>>>>>>>> android:versionName="1.0" >>>>>>>>>>>>>>> android:orientation="vertical"**********> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <uses-feature android:name="android.**hardware******** >>>>>>>>>>>>>>> .usb.host"/> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <uses-sdk >>>>>>>>>>>>>>> android:minSdkVersion="16" >>>>>>>>>>>>>>> android:targetSdkVersion="16" /> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <application >>>>>>>>>>>>>>> android:allowBackup="true" >>>>>>>>>>>>>>> android:icon="@drawable/ic_**lau********ncher" >>>>>>>>>>>>>>> android:label="@string/app_**nam********e" >>>>>>>>>>>>>>> android:theme="@style/**AppTheme********" > >>>>>>>>>>>>>>> <activity >>>>>>>>>>>>>>> android:name="com.example.**micr******** >>>>>>>>>>>>>>> ostrain.MICROSTRAIN" >>>>>>>>>>>>>>> android:label="@string/app_**nam********e" > >>>>>>>>>>>>>>> <intent-filter> >>>>>>>>>>>>>>> <action android:name="android.intent.**a**** >>>>>>>>>>>>>>> ****ction.MAIN" /> >>>>>>>>>>>>>>> <category android:name="android.intent.**c** >>>>>>>>>>>>>>> ******ategory.DEFAULT"/> >>>>>>>>>>>>>>> <category android:name="android.intent.**c** >>>>>>>>>>>>>>> ******ategory.LAUNCHER" /> >>>>>>>>>>>>>>> </intent-filter> >>>>>>>>>>>>>>> <intent-filter> >>>>>>>>>>>>>>> <action android:name="android.**hardware******** >>>>>>>>>>>>>>> .usb.action.USB_**DEVICE_**ATTACHE******D"/> >>>>>>>>>>>>>>> </intent-filter> >>>>>>>>>>>>>>> <meta-data android:name="android.**hardware**** >>>>>>>>>>>>>>> ****.usb.action.USB_**DEVICE_**ATTACHE******D" >>>>>>>>>>>>>>> android:resource="@xml/**device********_filter" /> >>>>>>>>>>>>>>> </activity> >>>>>>>>>>>>>>> <uses-library android:name="android.test.**run******* >>>>>>>>>>>>>>> *ner" /> >>>>>>>>>>>>>>> </application> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <instrumentation android:name="android.test.**Ins******* >>>>>>>>>>>>>>> *trumentationTestRunner" >>>>>>>>>>>>>>> android:targetPackage="com.**exa******** >>>>>>>>>>>>>>> mple.microstrain" >>>>>>>>>>>>>>> android:label="microstrain" /> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> </manifest> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> %%%%%%%%% xml/device_filter.xml %%%%%%%%% >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <resources> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> <usb-device vendor-id="199b" product-id="3d65"/> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> </resources> >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> %%%%%% >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> I appreciate all the help. 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