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] <javascript:>>
>
>> 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! 
>>>>>>>>>>>
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