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] <javascript:>> > >> 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. 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+**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 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 android-d...@**googlegroups.com >>>> 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]<javascript:> >> To unsubscribe from this group, send email to >> [email protected] <javascript:> >> 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] <javascript:>. >> 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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