LWIP ping超时 stm32f429

正点原子 f429 阿波罗 ping 不通

发布于 2021-08-04 14:48:50 浏览：802 订阅该版

M_xiaotao 2021-08-05

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4 个回答

Papalymo 2021-08-04

人生苦短，及时行乐

M_xiaotao 2021-08-04

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出出啊 2021-08-04

It is Not the Mountain We Conquer, but Ourselves

M_xiaotao 2021-08-05

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出出啊 2021-08-05

It is Not the Mountain We Conquer, but Ourselves

M_xiaotao 2021-08-05

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M_xiaotao 2021-08-05

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M_xiaotao 2021-08-05

This guy hasn't written anything yet

出出啊 2021-08-05

It is Not the Mountain We Conquer, but Ourselves

M_xiaotao 2021-08-05

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出出啊 2021-08-05

It is Not the Mountain We Conquer, but Ourselves

@M_xiaotao 我使用的4.0.3 lwip 1.4.1 。
`drv_eth.c -> phy_linkchange -> HAL_ETH_ReadPHYRegister(&EthHandle, PHY_BASIC_STATUS_REG, (uint32_t *)&status);` 这里获取的状态不对，协商通信速率错误，
```
[I/drv.emac] link down
etharp_find_entry: found matching entry 0
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_query: queued packet 2000e980 on ARP entry 0
etharp_find_entry: found matching entry 0
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_query: queued packet 2000e980 on ARP entry 0
etharp_find_entry: found matching entry 0
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_query: queued packet 2000e980 on ARP entry 0
etharp_timer
etharp_timer: expired pending entry 0.
etharp_free_entry: freeing entry 0, packet queue 20002898.
etharp_find_entry: found empty entry 0
etharp_find_entry: selecting empty entry 0
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_query: queued packet 2000e980 on ARP entry 0
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_send_ip: sending packet 2000ea14
[I/drv.emac] link down
etharp_timer
etharp_request: sending ARP request.
etharp_raw: sending raw ARP packet.
etharp_send_ip: sending packet 2000e948
[I/drv.emac] link down
```
还不如你的。