[En-Nut-Discussion] NutRegisterDevice Lockup

Dave Warren dwarren at luescher.com
Tue Sep 26 10:29:37 CEST 2006

Hi Tim,

I also discovered this 'feature'. The code is in an endless loop waiting for 
the ethernet hardware.

I guess it would be nice if the endless loop contained a NutSleep's then 
other treads could still run.


Dave Warren

----- Original Message ----- 
From: "Tim DeBaillie" <debaillie at ciholas.com>
To: <en-nut-discussion at egnite.de>
Sent: Monday, September 25, 2006 8:49 PM
Subject: [En-Nut-Discussion] NutRegisterDevice Lockup

> Using AT91SAM7X256-EK with Ethernut 4.1.9 rc.
> I need to attempt DHCP and then fall back to a static address if no DHCP 
> response.  I have configured this as requested from the API.  The whole 
> program locks if you try to register the ethernet device and there is no 
> cable in the port.
> This is bad news.  If an ethernet cable gets cut and the device is 
> restarted, then it will stall until the device is back on the network.
> Is there anyway to prevent this without rewriting NutRegisterDevice() or 
> it's subroutines or the Ethernet driver?
> Tim
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> En-Nut-Discussion at egnite.de
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