On Fri, Sep 5, 2008 at 4:41 PM, Vaclav Peroutka <[EMAIL PROTECTED]> wrote: > it looks I have some another problem. In the meantime I tried other codes > (original Microchip HID implementation a Brad Minch's Lab2 C code) with > MCC18 v3.14 compiler. I have built the board like that > http://www.leonheller.com/usb/usb_2_sch.pdf - with only > change - XTAL = 20MHz. But nothing worked ( I got just > "Device not recognized"). > > Do there must be some another problem - but I do not understand, where :-(
If you change the XTAL, you will have to change the configuration word. Read the datasheet of the USB PICs to understand that. > Is there any possibility to see USB enumeration process > ( either on Linux or Windows) ? You can use SnoopPro under Windows and usbmon under Linux. http://sourceforge.net/projects/usbsnoop/ http://www.mjmwired.net/kernel/Documentation/usb/usbmon.txt Xiaofan ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Sdcc-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sdcc-user
