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.** >>> usbDeviceEnumerator<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_ >>>>>>>> **ATTACHED"/> >>>>>>>> </intent-filter> >>>>>>>> <meta-data android:name="android.**hardware** >>>>>>>> .usb.action.USB_**DEVICE_**ATTACHED" 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. Thanks in advance! >>>>>>>> >>>>>>>> -- >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "Android Developers" group. >>>>>>>> To post to this group, send email to android-d...@** >>>>>>>> googlegroups.com >>>>>>>> >>>>>>>> To unsubscribe from this group, send email to >>>>>>>> android-developers+**unsubscribe**@googlegroups.com >>>>>>>> For more options, visit this group at >>>>>>>> http://groups.google.com/**group**/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "Android Developers" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to android-developers+**unsubscribe** >>>>>>>> @googlegroups.com. >>>>>>>> For more options, visit https://groups.google.com/**grou** >>>>>>>> ps/opt_out <https://groups.google.com/groups/opt_out>. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> -- >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Android Developers" group. >>>>>> To post to this group, send email to [email protected] >>>>>> To unsubscribe from this group, send email to >>>>>> android-developers+**[email protected] >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Android Developers" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to android-developers+**[email protected]. >>>>>> For more options, visit >>>>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>>>> . >>>>>> >>>>>> >>>>>> >>>>> >>>>> -- > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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