Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error

[address@hidden]

Adrian Figueroa wrote:
> I can see some errors in low_level_output() in ethernetif.c.
>
> This fails:
>
>        if((DmaTxDesc->Status & ETH_DMATXDESC_OWN) != (uint32_t)RESET)
>        {
>          errval = ERR_USE;
>          goto error;
>        }

I don't know the F7 driver, but my F4 driver seems to have the same code 
lines.
It's worse there since they even memcpy from pbufs to the DMA 
descriptors... :-(

Simon