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mik3y / usb-serial-for-android

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.
MIT License
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usbSerialPort.open(usbConnection) return connection failed：length：0；index：0 #589

Closed skymoomy closed 1 month ago

skymoomy commented 1 month ago

how to fix this problem?

kai-morich commented 1 month ago

Please provide more context

skymoomy commented 1 month ago

Please provide more context

I'm using a usb device that can be directly connected to the internet when plugged into a mobile phone。This device uses a chip developed by our company。 After download project usb-serial-for-android-master from github,i made these changes:

1.add uses-permission android:name="android.permission.USB_PERMISSION" uses-feature android:name="android.hardware.usb.host" android:required="true" to usbSerialExamples\src\main\AndroidManifest.xml 2.add "usb-device vendor-id="11409" product-id="2" to usbSerialExamples\src\main\res\xml\device_filter.xml

Install apk to my phone,i can see three ports in app : USB Devices CdsAcm,Port 0 vendor 2C91,Product 0002 CdsAcm,Port 1 vendor 2C91,Product 0002 CdsAcm,Port 2 vendor 2C91,Product 0002

But,none of them can be connected,when each of them is Clicked,it shows"connection failed:length0;index=0;"

Is there anything else that needs to be modified？Thanks

kai-morich commented 1 month ago

does it work with Serial USB Terminal app?

skymoomy commented 1 month ago

does it work with Serial USB Terminal app?

no,it doesn't work with Serial USB Terminal app,the result is same with usb-serial-for-android-master. It also shows"connection failed:length0;index=0;"

Is the driver not compatible with my usb device or some additional configuration are requied ?

kai-morich commented 1 month ago

your device probably is not a fully CDC ACM compliant device.

I am not aware of any place in the library that throws an exception containing something like "length0;index=0;". Is this your own exception? With original exception, callstack and logcat output you might see where the CDC ACM setup fails.

skymoomy commented 1 month ago

your device probably is not a fully CDC ACM compliant device.

I am not aware of any place in the library that throws an exception containing something like "length0;index=0;". Is this your own exception? --- "connection failed: length0;index=0; " An exception occured when usbSerialPort.open(usbConnection) is called:

      @Override
      public void onSerialConnectError(Exception e) {
          status("connection failed: " + e.getMessage());
          disconnect();
      }

With original exception, callstack and logcat output you might see where the CDC ACM setup fails. ---I'll try this

skymoomy commented 1 month ago

your device probably is not a fully CDC ACM compliant device.

I am not aware of any place in the library that throws an exception containing something like "length0;index=0;". Is this your own exception? With original exception, callstack and logcat output you might see where the CDC ACM setup fails.

After add log print and use "adb shell logcat" , I have identified the cause of the problem, but I do not know how to solve it:

    private void openInterface() throws IOException {

        mControlInterface = null;
        mDataInterface = null;
        int j = getInterfaceIdFromDescriptors();
        Log.d(TAG, "interface count=" + mDevice.getInterfaceCount() + ", IAD=" + j);
        Log.d(TAG, "j=" + j);
        if (j >= 0) {
            for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
                UsbInterface usbInterface = mDevice.getInterface(i);
                Log.d(TAG, "usbInterface.i：" + i);
                Log.d(TAG, "usbInterface.getName：" + usbInterface.getName());
                Log.d(TAG, "usbInterface.getId：" + usbInterface.getId());
                Log.d(TAG, "usbInterface.getInterfaceClass：" + usbInterface.getInterfaceClass());
                Log.d(TAG, "usbInterface.getInterfaceSubclass：" + usbInterface.getInterfaceSubclass());
                Log.d(TAG, "usbInterface.toString：" + usbInterface.toString());
                Log.d(TAG, "usbInterface.getInterfaceProtocol：" + usbInterface.getInterfaceProtocol());
                Log.d(TAG, "usbInterface.describeContents：" + usbInterface.describeContents());
                if (usbInterface.getId() == j || usbInterface.getId() == j+1) {
                    if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_COMM &&
                            usbInterface.getInterfaceSubclass() == USB_SUBCLASS_ACM) {
                        Log.d(TAG, "mControlIndex：" + i);
                        mControlIndex = usbInterface.getId();
                        mControlInterface = usbInterface;
                    }
                    if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_CDC_DATA) {
                        mDataInterface = usbInterface;
                    }
                }
            }
        }

j=2, UsbConstants.USB_CLASS_COMM = 2, USB_SUBCLASS_ACM=2,mControlIndex = 3. mControlInterface is selected as shown below, you can see that it has no mEndpoints, "mControlEndpoint = mControlInterface.getEndpoint(0);" cause out of range.

CdcAcmSerialDriver: usbInterface.i：3 CdcAcmSerialDriver: usbInterface.getName：null CdcAcmSerialDriver: usbInterface.getId：2 CdcAcmSerialDriver: usbInterface.getInterfaceClass：2 CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2 CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=2,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[] CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1 CdcAcmSerialDriver: usbInterface.describeContents：0

08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.i：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：Mobile ECM Network Adapter 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：6 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=0,mAlternateSetting=0,mName=Mobile ECM Network Adapter,mClass=2,mSubclass=6,mProtocol=0,mEndpoints=[ 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=130,mAttributes=3,mMaxPacketSize=16,mInterval=16]] 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.i：1 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：1 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=1,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[] 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.i：2 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：1 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=1,mAlternateSetting=1,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[ 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=129,mAttributes=2,mMaxPacketSize=512,mInterval=0] 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=1,mAttributes=2,mMaxPacketSize=512,mInterval=0]] 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.i：3 08-12 14:22:11.657 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=2,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: mControlIndex：3 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.i：4 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：3 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=3,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[ 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=131,mAttributes=2,mMaxPacketSize=512,mInterval=0] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=3,mAttributes=2,mMaxPacketSize=512,mInterval=0]] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.i：5 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：4 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=4,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.i：6 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：5 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=5,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[ 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=132,mAttributes=2,mMaxPacketSize=512,mInterval=0] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=4,mAttributes=2,mMaxPacketSize=512,mInterval=0]] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.i：7 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：6 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=6,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.i：8 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getName：null 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getId：7 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=7,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[ 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=133,mAttributes=2,mMaxPacketSize=512,mInterval=0] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: UsbEndpoint[mAddress=5,mAttributes=2,mMaxPacketSize=512,mInterval=0]] 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0 08-12 14:22:11.658 2337 2337 D CdcAcmSerialDriver: usbInterface.describeContents：0

kai-morich commented 1 month ago

please provide the standard logcat output from CdcAcmSerialDriver

kai-morich commented 1 month ago

replaced logcat.zip with relevant content:

08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: interfaces:
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=0,mAlternateSetting=0,mName=Mobile ECM Network Adapter,mClass=2,mSubclass=6,mProtocol=0,mEndpoints=[
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=130,mAttributes=3,mMaxPacketSize=16,mInterval=16]]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=1,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=1,mAlternateSetting=1,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=129,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=1,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=2,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=3,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=131,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=3,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=4,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=5,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=132,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.103 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=4,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=6,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: UsbInterface[mId=7,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=133,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=5,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: trying default interface logic
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: USB descriptor:
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 12 01 00 02 EF 02 01 40 91 2C 02 00 02 00 01 02 03 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 02 09 01 08 01 00 C0 FA
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 08 0B 00 02 02 06 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 00 00 01 02 06 00 05
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 00 10 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 0D 24 0F 04 00 00 00 00 EA 05 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 06 00 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 82 03 10 00 10
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 01 00 00 0A 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 01 01 02 0A 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 81 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 01 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 08 0B 02 02 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 02 00 00 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 00 10 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 01 00 03
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 04 24 02 02
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 06 02 03
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 03 00 02 0A 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 83 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 03 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 08 0B 04 02 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 04 00 00 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 00 10 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 01 00 05
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 04 24 02 02
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 06 04 05
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 05 00 02 0A 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 84 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 04 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 08 0B 06 02 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 06 00 00 02 02 01 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 00 10 01
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 01 00 07
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 04 24 02 02
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 05 24 06 06 07
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 09 04 07 00 02 0A 00 00 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 85 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: 07 05 05 02 00 02 00
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: interface count=9, IAD=2
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: j=2
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.i：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：Mobile ECM Network Adapter
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：6
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=0,mAlternateSetting=0,mName=Mobile ECM Network Adapter,mClass=2,mSubclass=6,mProtocol=0,mEndpoints=[
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=130,mAttributes=3,mMaxPacketSize=16,mInterval=16]]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getEndpoint(0).getType()：3
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.i：1
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：1
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=1,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[]
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.i：2
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：1
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10
08-13 09:20:57.104 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=1,mAlternateSetting=1,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=129,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=1,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getEndpoint(0).getType()：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：3
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=2,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: mControlIndex：3
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：4
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：3
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=3,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=131,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=3,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getEndpoint(0).getType()：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：5
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：4
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=4,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：6
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：5
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=5,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=132,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=4,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getEndpoint(0).getType()：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：7
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：6
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=6,mAlternateSetting=0,mName=null,mClass=2,mSubclass=2,mProtocol=1,mEndpoints=[]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：1
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.i：8
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getName：null
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getId：7
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceClass：10
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceSubclass：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.toString：UsbInterface[mId=7,mAlternateSetting=0,mName=null,mClass=10,mSubclass=0,mProtocol=0,mEndpoints=[
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=133,mAttributes=2,mMaxPacketSize=512,mInterval=0]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: UsbEndpoint[mAddress=5,mAttributes=2,mMaxPacketSize=512,mInterval=0]]
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getInterfaceProtocol：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.describeContents：0
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: usbInterface.getEndpoint(0).getType()：2
08-13 09:20:57.105 26704 26704 D CdcAcmSerialDriver: Control interface id 2
08-13 09:20:57.106 26704 26704 D CdcAcmSerialDriver: ControlInterface.getEndpointCount 0
kai-morich commented 1 month ago

The getInterfaceIdFromDescriptors has detected the correct interface id 2+3 from IAD. I have never seen an Interface without Endpoints. On stackoverflow someone mentioned that endpoint #0 must always exist and doesn't have to be mentioned in the endpoint descriptors, so your device might be valid USB.

Now I understood the error message. As only mControlIndex is needed for the actual communication, does it work if you comment out the mControlEndpoint assignment and check?

skymoomy commented 1 month ago

The getInterfaceIdFromDescriptors has detected the correct interface id 2+3 from IAD. I have never seen an Interface without Endpoints. On stackoverflow someone mentioned that endpoint #0 must always exist and doesn't have to be mentioned in the endpoint descriptors, so your device might be valid USB.

Now I understood the error message. As only mControlIndex is needed for the actual communication, does it work if you comment out the mControlEndpoint assignment and check?

After comment out the mControlEndpoint assignment, the port can now be successfully connected.Thks for you advice.

kai-morich commented 4 weeks ago

Looks like your device would not be accepted by Linux, see https://github.com/torvalds/linux/blob/master/drivers%2Fusb%2Fclass%2Fcdc-acm.c#L1322