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
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