q: USB_SET_TIMEOUT in ugen.

[Hans Petter Selasky]

Hi,

On Wednesday 18 March 2009, Weongyo Jeong wrote:
> Hello,
>
> During porting uath(4) to usb2 I found the following code failed to run:
>
> 	data = open("/dev/usb/0.2.2", O_WRONLY, 0);
> 	timeout = UATH_DATA_TIMEOUT;
> 	if (ioctl(data, USB_SET_TIMEOUT, &timeout) < 0)
> 		err(-1, "%s: USB_SET_TIMEOUT(%u)", datadev,
> 		    UATH_DATA_TIMEOUT);
>
> and the error was:
>
> 	uathload: /dev/usb/0.2.2: USB_SET_TIMEOUT(1000): Invalid
>         argument

Use the following macro instead:

#define USB_SET_TX_TIMEOUT      _IOW ('U', 137, int)

There also is a match for USB_SET_RX_TIMEOUT .

USB_SET_TIMEOUT has been removed.

Also don't forget to include "usb_ioctl.h" .

Another idea:

Port the program to libusb ....

>
> It looks it's ok with calling ioctl(msg, USB_SET_TIMEOUT, ..) to
> /dev/usb/0.2.1
>
> And the behaviour of program isn't likely with usb1 that it worked well
> in usb1.  After writing some data into msg and data pipe there was no
> any response using read(2).  The problem source can be found at:.
>
> 	http://perforce.freebsd.org/depotTreeBrowser.cgi?FSPC=//depot/user/weongyo
>/wireless/src/usr.sbin/uathload&HIDEDEL=NO
>
> Are there something I missed in here?
>

See hints above.

--HPS