Comments (3)
Interesting. Your device is declaring itself as a Consumer Audio Control (usage page 0x0C, usage ID 0x01) which is opened by Windows for System use. Here's an article about it.
However the access mode from the system is Shared indicating that it should be possible to open it yourself. Unfortunately, given that it's listed there means that it may not be possible to use hidapi.dll
(the underlying HID API that hid4java wraps) and you may need to explore the more direct usb4java alternative.
from hid4java.
Thanks for the help. Man, what a pain this has been! usb4java was a failure, it just didn't work right. Eventually I switched to LibUsbJava and finished my project:
https://github.com/EsotericSoftware/powermate
Here is where the magic happens:
https://github.com/EsotericSoftware/powermate/blob/master/src/powermate/PowerMate.java#L28
Cheers!
from hid4java.
That's good to know and I'm glad you were able to resolve the issue. LibUsbJava is quite an old project (2008 was last release) but at least it worked so no complaints there.
from hid4java.
Related Issues (20)
- setAutoDataRead(true) - nothing happens, program waits forever HOT 2
- Add module name HOT 3
- I am not scanning my device using UsbHidEnumerationExample. Do I need to do anything to set the MAC? HOT 6
- Event hidDataReceived not working. HOT 2
- Option to open device in non-exclusive mode HOT 1
- When will 0.8.0 be released as example code doesn't compile when tried with latest published jar? HOT 7
- Support for Raspberry pi 4 HOT 4
- MacOS ARM incompatible HOT 3
- Unable to open connection to multiple identical devices HOT 1
- HidApi.read returning -2(DEVICE_ERROR) and "Device not initialised" seen when trying to fetch SN, PID HOT 4
- Specify minimum JNA version required HOT 1
- hid4java always uses the libusb variant of libhidapi on linux-x86-64 HOT 1
- support hidapi 0.14.0 HOT 2
- Branch cleanup HOT 1
- Update MVN repository content
- USB HID Set Report and Get Report HOT 10
- How can i read the scanner data. HOT 3
- Pre-release checklist for 0.8.0
- Regression in `hidApiLibrary.hid_open_path(path)` v 0.8 HOT 6
- On Ubuntu 22.04 64bit `WideStringBuffer` is not applicable for `hid_error`
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from hid4java.