[U-Boot-Users] RFC About USB Keyboard Polling
Wolfgang Denk
wd at denx.de
Fri Mar 23 00:26:45 CET 2007
Dear Jon,
in message <1174589857.32390.52.camel at ld0161-tx32> you wrote:
>
> We need to add USB Keyboard support to the 8641 HPCN board.
> We currently have this working in a mode that is polled
> rather than configuring any interrupts and handlers.
Understood.
> However, to do so, we needed to extend the usb_kbd_getc()
> routine to possibly poll for interrupts as well. So as
Um... this causes my scalp to curl...
Either we have interrupts, or we use polling.
[I think I know what you mean, but interrupt polling is a strict
oxymoron to me.]
> Does this seem look a good approach to you?
You may want to include Markus Klotzbücher in the Cc: list of such
USB related patches.
> Add CFG_USB_INTERRUPT_POLL support.
>
> Allow the USB controller to use interrupt polling
Please use a better name. interrupt polling ... shudder...
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, HRB 165235 Munich, CEO: Wolfgang Denk
Office: Kirchenstr. 5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Life would be so much easier if everyone read the manual.
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