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From: | address@hidden |
Subject: | Re: [lwip-users] ERR_MEM when sending large data, LWIP stats show no error |
Date: | Thu, 14 Sep 2017 17:46:12 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
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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