Re: [lwip-users] Recv UDP Problem

[Michael Steinberg]

Hello,

are you paying attention to the fact that Cortex-M7 such as the SAM E70 
devices usually sport data caches which don't get invalidated 
automatically when the mac-dma units transfer data to memory?

Michael


Am 24.11.2016 um 14:11 schrieb Noam Weissman:
> So it’s a low level issue, driver, Porting etc...
>
> -----Original Message-----
> From: lwip-users [mailto:address@hidden On Behalf Of mgirke
> Sent: Thursday, November 24, 2016 11:32 AM
> To: address@hidden
> Subject: Re: [lwip-users] Recv UDP Problem
>
> Hi,
>
> I am having a NETCONN API, no RAW. One task for sending and one for receiving.
>
> I added the taskDelay but doesn´t help. Mem and pbuf should be fine. The 
> packages definitely go in the wire. Sending data every 20ms works fine.
> Receiving messages come around every second. Only appr. every 10 package gets 
> received.
>
> The thing is, the same code works on the M4 controller.
>
>
>
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