Re: Reading the frame number field
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Thu, 12 Apr 2007, Danny Budik wrote: > Would it be possible to add my own constant to /usr/include/linux/ > usbdevice_fs.h and write an underlying function that would call > usb_get_current_frame_number()? It > looks like I can add a constant say USBDEVFS_FRAMENUM in > usbdevice_fs.h, add new case to .../drivers/usb/core/devio.c, add a > function called proc_framenum > that would call usb_get_current_frame_number() and return the frame > number. Is this a reasonable and/or feasible solution? Yes, that would work. Subject to the restriction that the frame number is constantly changing so that any value you receive can quickly become out-of-date. Also bear in mind that high-speed buses use microframes rather than frames; they increment eight times more quickly. Alan Stern ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel