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Merge pull request #841 from fengzi2003/patch-1

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[BSP] Update stm32_eth.c
This commit is contained in:
Bernard Xiong 2017-09-09 10:03:20 +08:00 committed by GitHub
commit 6d07c084c7
1 changed files with 6 additions and 1 deletions
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7
bsp/stm32f107/drivers/stm32_eth.c
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@ -3206,7 +3206,12 @@ rt_err_t rt_stm32_eth_tx( rt_device_t dev, struct pbuf* p)
{ {
rt_err_t result; rt_err_t result;
result = rt_sem_take(&tx_buf_free, 2); result = rt_sem_take(&tx_buf_free, 2);
if (result != RT_EOK) return -RT_ERROR; if (result != RT_EOK)
{
ETH_FlushTransmitFIFO(); // clear fifo
ETH_ResumeDMATransmission(); // resume dma
return -RT_ERROR;
}
} }
offset = 0; offset = 0;