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Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no err
From: |
Adrian Figueroa |
Subject: |
Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error |
Date: |
Fri, 15 Sep 2017 06:30:50 +0000 |
That memcpy is also used on the F7. The drivers are probably the same:
/* Copy data to Tx buffer*/
memcpy( (uint8_t*)((uint8_t*)buffer + bufferoffset),
(uint8_t*)((uint8_t*)q->payload + payloadoffset), (ETH_TX_BUF_SIZE -
bufferoffset) );
Adrian
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Von: lwip-users [mailto:address@hidden Im Auftrag von address@hidden
Gesendet: Thursday, September 14, 2017 5:46 PM
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Betreff: Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no
error
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
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- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, (continued)
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Sergio R. Caprile, 2017/09/01
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/11
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Sergio R. Caprile, 2017/09/11
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, goldsimon, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Nathan Hartman, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, goldsimon, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, address@hidden, 2017/09/14
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error,
Adrian Figueroa <=
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Noam Weissman, 2017/09/15
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/15
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/15
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, address@hidden, 2017/09/15
- Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error, Adrian Figueroa, 2017/09/16