Hello Techies,
Following is the output that I am able to see when I execute the sample
TestLibUsb.exe which is provided along with the "LibUSB-Win32" package.
<OP>
DLL version: 0.1.12.1
Driver version: 0.1.12.1
bus/device idVendor/idProduct
bus-0/\\.\libusb0-0001--0x0471-0x1201 0471/1201
- Manufacturer : Royal Philips Electronics
- Product : Reference Design Philips Semiconductors
- Serial Number: 000000-00-000000
wTotalLength: 92
bNumInterfaces: 3
bConfigurationValue: 1
iConfiguration: 0
bmAttributes: c0h
MaxPower: 250
bInterfaceNumber: 0
bAlternateSetting: 0
bNumEndpoints: 0
bInterfaceClass: 2
bInterfaceSubClass: 8
bInterfaceProtocol: 0
iInterface: 4
bInterfaceNumber: 1
bAlternateSetting: 0
bNumEndpoints: 1
bInterfaceClass: 2
bInterfaceSubClass: 2
bInterfaceProtocol: 1
iInterface: 5
bEndpointAddress: 81h
bmAttributes: 03h
wMaxPacketSize: 16
bInterval: 16
bRefresh: 0
bSynchAddress: 0
bInterfaceNumber: 2
bAlternateSetting: 0
bNumEndpoints: 2
bInterfaceClass: 10
bInterfaceSubClass: 0
bInterfaceProtocol: 0
iInterface: 6
bEndpointAddress: 03h
bmAttributes: 02h
wMaxPacketSize: 64
bInterval: 0
bRefresh: 0
bSynchAddress: 0
bEndpointAddress: 83h
bmAttributes: 02h
wMaxPacketSize: 64
bInterval: 0
bRefresh: 0
bSynchAddress: 0
</OP>
On Tue, Jan 27, 2009 at 4:30 PM, Sumeet Chakraborty <
[email protected]> wrote:
> Hello Techies,
>
> I have a USB Modem and I want to send some AT Commands to the Modem Using
> my Java Application. I have done the following so far.
>
> 1) I have downloaded the package javax usb and have put the DLL in the path
> for JRE to recognise it.
> 2) I have downloaded the LibUSB-Win32 package for the Windows
> implementation after which I generated the "Mydevice.inf" and "Mydevice.cat"
> files using the inf-wizard.exe
> 3) In my Java code firstly I traverse the RootHub to get access to all my
> USB Devices after which I try putting something to the console for each of
> the devices that I find.
> 4) I also set the USBConfiguration to 1 and then I traverse through all the
> USB Interfaces after which I try to claim the interface, it works fine till
> now but when I try to access the endpoints it gives me an error.
>
> <Output>
>
> log4j:WARN No appenders could be found for logger
> (com.mcreations.usb.windows.JavaxUsb).
> log4j:WARN Please initialize the log4j system properly.
> Manufacturer String: Royal Philips Electronics
> Product String: Reference Design Philips Semiconductors
> Interfaces Size: 3
> BConfiguration Value: 1
> USB Configuration is: true
> USB Interface is true
> totalEndpoints size: 0
> BConfiguration Value: 1
> USB Configuration is: true
> USB Interface is true
> totalEndpoints size: 1
> Direction: -128
> Type: 3
> javax.usb.UsbException: submitIrp: Error during interrupt read, error code
> -116: usb_reap: timeout error
> at
> com.mcreations.usb.windows.WindowsPipeOsImp.submitIrp(WindowsPipeOsImp.java:314)
> at
> com.mcreations.usb.windows.WindowsPipeOsImp.asyncSubmit(WindowsPipeOsImp.java:342)
> at com.ibm.jusb.UsbPipeImp.asyncSubmit(UsbPipeImp.java:215)
> at com.ibm.jusb.UsbPipeImp.asyncSubmit(UsbPipeImp.java:167)
> at com.sripaisit.USB.JavaxUSBTest.testIO(JavaxUSBTest.java:91)
> at com.sripaisit.USB.JavaxUSBTest.traverse(JavaxUSBTest.java:39)
> at com.sripaisit.USB.JavaxUSBTest.main(JavaxUSBTest.java:25)
>
>
> </Output>
>
> Can anyone of you please guide me as to where I am going wrong? Any inputs
> would indeed be of great help to me. Thanks in advance
>
> --
> Warmest Regards,
> Sumeet C
>
--
Warmest Regards,
Sumeet C
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