From: "Nicolas BLANCHARD" <n.blanchard@domain.hid>
To: xenomai@xenomai.org
Subject: Rép. : [Xenomai-help] Share interrupts between two subdevices
Date: Thu, 02 Nov 2006 14:30:09 +0100 [thread overview]
Message-ID: <s54a0103.074@domain.hid> (raw)
>>> <mjcoelho@domain.hid> 31.10 19:50 >>>
>Hi!
>
>
>I'm implementing a driver for a device that has two subdevices
(basically,
>a serial board with two ports). For this to work, i need to use the
same
>interrupt for both subdevices.
>
>So the driver, ATM, initializes both subdevices and then only one
requests
>and enables the interrupt.
>
>Does RTDM call the interrupt handler of the subdevice that didn't
request
>the irq? What capabilities does RTDM have in terms of interrupt
sharing
>between drivers in rt "environment"?
>
>
>Thanks for your help!
Hello,
You have a Xenomai shared interrupt option in kernel options,
for example you can see the 16550 xenomai drivers that could use
shared interrupts.
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