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RE: [lwip-users] Interrupt missing while calling sendto()
From: |
Goldschmidt Simon |
Subject: |
RE: [lwip-users] Interrupt missing while calling sendto() |
Date: |
Wed, 27 Jun 2007 09:33:05 +0200 |
> # My PDMA interrupt is affecting (missing) if i am using
> sendto() in my project # Here PDMA is used to capture data from Camera
>
> But, one more things is, if iam using recvfrom() it is not so!
>
> Is there is any special or complexity wise major difference
> between sendto() and recvfrom()?
>
> Can anyone give more light on this?
I don't know your hardware or the port you use to run lwIP on that,
but sendto includes a task-switch to the lwip core thread, while
recvfrom
only waits for a message in a mailbox, so your interrupt-problem might
come from those task-switches...
Simon