Objective Development Forums

blargg wrote:Google "usb 3.0" on this site yields only this and a thread from 2009.

So from that, what is one to conclude?
a) Everyone's USB 3.0 works fine?
b) Nobody cares?
c) "3.0" doesn't search correctly?
.
.
.
z) something else?

It's also hard to find information on this because the current configuration of this phpBB does not allow "3.0" as a search term. Perhaps an adjustment is in order?

I have built several devices with v-usb, and tested on hundreds of computers. I have only found three usb ports which did not recognize my v-usb devices, and it turns out that all three of them are USB 3.0 ports. Are there known problems with 3.0 vs v-usb? Is there something to be done? I have not y...

Well, it certainly does help to RTFM, doesn't it? I simply changed USB_CFG_INTR_POLL_INTERVAL from 100 to 10, and all is well.
Sorry for the intrusion.

I am creating a new HID device to deliver real-time data to a PC (or Mac). I have used a template for a game controller with a single slider and no buttons to get the smallest report descriptor: PROGMEM const char usbHidReportDescriptor[24] = { 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x05,...

OK, This is getting weirder and weirder.

I added the HID bootloader to my device, and now, even though the main program still fails on this one PC only, the bootloader works fine. That, I would think, pretty much eliminates any hardware problems.

So now what?

Oh, you really do need to do some reading about the C language before you go any further. Particularly, your question about the two len variables points to a lack of understanding about a variable's scope. There's plenty of tutorials on the web, or you can get any number of books. But you're going t...

uchar is how some compilers designate an unsigned char, equivalent to winavr's uint8_t.

Does that help?

I'm using the hid-data sample on a Mega644 (16MHz), and I've run into a problem. I've tested this with at least ten different computers, ranging from a netbook to an i7-980X. Everything works OK, except for computer, a 3.2GHz i5 running XP. On the problem machine, my board enumerates OK and I can se...