Dispositivo Hid De Bluetooth Driver .exe Or.zip
Hi Thomas,I like the idea but I wonder if there's a better way. Unfortunately I currently can't make my Bluetooth trackpad work with any of my Linux boxes to try anything out.
My bluetooth used to work:(.Anyway, my idea would be to instead of doing string manipulations on the path, to maybe instead call udevdevicegetparentwithsubsystemdevtype with subsystem of 'hid' and devtype NULL1 to get a handle to the HID device, then calling udevdevicegetsysname to get the string with the VID/PID in it. I suppose I can try this out here on USB and see if it works and send you code to try on Bluetooth since I've all but given up on mine. Not sure what it is. Maybe my new kernel with old userland, but it doesn't work on my other computer with Ubuntu 12.04. Updated patch. Things to do:.
Indentation is inconsistent with other code in hid.c (do you have a 'indent' command line that you use for your code)?. During testing I noted that hidgetmanufacturerstring, hidgetproductstring and hidgetserialnumberstring still assume that there is an USB device.
These probably need updating. I can get the serial number from the 'hid' subsystem parent device, and I can get the product string from the 'hid' subsystem as well (see HIDNAME above), but not sure where to get the manufacturer string for Bluetooth devices (I have to check what hidapi on OS X does in this case). Hi Thomas,Good work.
This is definitely in the right direction. Some comments:.
Make parseueventinfo take devicetype as a parameter just like the other values. It was a bit confusing to me at first to see this. Possibly also return an error code to make sure it was parsed properly (because older versions of the Linux kernel (or newer) may not have this stuff laid out exactly the same. I'm trying to decide if it's ok to do the pointer offsetting for parsing HIDID or whether it might be better to set up another strtokr, or whether it might be better still to just do a sscanf('HIDID=%x:%x:%x', &bus, &vid, &pid) (and of course check the return value).
The second two solutions insulate against the number of leading-zeroes changing in the future. It would be good to document the fact that the serialnumber variable is utf-8. Maybe just calling it serialnumberutf8 is good enough. Stylistically, maybe it would be easier to, once it's determined what type of device it is, put all the bluetooth stuff together and put all the USB stuff together. Hi Alan,I've now fixed the points you mentioned, and make the code cleaner:.
I found out that in linux/input.h, the bus types are defined as 3 and 5, so I'm using these symbolic names now. Instead of copying the device path (to curdev-path) 'by hand', I've used strdup - is that okay?Still, for some parts I need your input:.
At the point where I wrote 'What if usbdev is NULL here?' - do we have to check for that situation (and what should we do in this case) or can we just assume that there will always be a USB device if we found out (above) that the bus type is USB?.
The code now always takes the VID/PID from the uevent device node, which simplifies the code. The thing is, if for some reason we can't parse the HIDID in parseueventinfo (which is where we get the VID/PID now), we also cannot know (with the current method) if it's a USB device or Bluetooth device, so we fail earlier already (checking the result of parseueventinfo). If we found the bus type, we have also found the VID/PID from HIDID.I still have to implement the getdevicestring part that we talked about above. I plan to make parseueventinfo more generic, so both functions can use its features, as you suggested.Thanks for taking the time to review the patch and the feedback so far:).
I've updated and tested the patch with my PS Move API library (which does enumeration of HID devices). Change it so that hidinit and hidexit don't move. This will make the commit smaller and cleaner.Why does linux/input.h now need to be included?Add a comment to utf8towchart indicating that the result must be freed.In getdevicestring it first checks for a parent sysfs device of type 'hid', and parses data from it.
If it can't find a parent of type 'hid' it then does the old method of finding the parent USB device. There are a couple problems here.
The first is that it will always go into the if (hiddev) section because there will always be a parent 'hid' node. The problem with doing this is that the 'hid' device doesn't have the Manufacturer string in it, and we're faking the product string with the HIDNAME uevent property (which actually contains both manufacturer and product). For USB devices, which do have proper Manufacturer strings, this will be a regression. We should key off the bustype here, just like in hidenumerate. If it's a BT device, then use what's in the 'hid' node, and if it's a USB device, then look for the parent USB device. In fact, maybe you could move most of the logic from that section in hidenumerate into getdevicestring.Also in this function, I can see why you need to do the hard-coded string match for 'manufacturer', etc, but since that string is now in two places, let's make it a #define up at the top and use it in getdevicestring and also in hidget.string functions. Maybe there's still a better way to do it (pass an enum token in instead of a string or something).
Dispositivo Hid De Bluetooth Driver .exe Or.zip Windows 10
The moving of the functions was accidental, it's fixed now.The linux/input.h include is used for the constants BUSUSB and BUSBLUETOOTH.I've also added the comment about free'ing the result of the utf8towchart function.I also reworked getdevicestring to fallback to the old code in case the device isn't a Bluetooth device.For the string-getting functions, I've now introduced a new enum ( enum devicestringid) and I've also #defined the strings that are used as symbolic names, because I also use them in the enumerate function too. Add this suggestion to a batch that can be applied as a single commit.
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