10 rt1052移植lwip但是获取不到IP

发布于 2021-09-14 18:00:08 浏览：1178 订阅该版

3 个回答

aozima 2021-09-14

调网络不抓包，调I2C等时序不上逻辑分析仪，就像电工不用万用表！多用整理的好的文字，比截图更省流量，还能在整理过程中思考。

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

老哥，抓到包了，可以收到数据，但是好像不是offer包，好像是ARP的包如下：
```
ff ff ff ff ff ff 8c 16 45 5c 7a e6 08 06 00 01 08 00 06 04 00 01 8c 16 45 5c 7a e6 0a 00 b6 9e 00 00 00 00 00 00 0a 00 00 c8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 27 8d d1 2f e2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 63 82 53 63 35 01 02 01 04 ff ff 00 00 03 04 0a 00 00 01 06 04 0a 00 00 01 33 04 00 01 51 80 3b 04 00 01 27 50 3a 04 00 00 a8 c0 36 04 0a 00 00 01 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
```
ARP是个什么鬼？

请登录后再发布评论，点击登录

追加回复

出出啊 2021-09-14

恃人不如自恃，人之为己者不如己之自为也

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

出出啊 2021-09-15

恃人不如自恃，人之为己者不如己之自为也

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

出出啊 2021-09-15

恃人不如自恃，人之为己者不如己之自为也

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

请登录后再发布评论，点击登录

追加回复

ZCmengyang 2021-09-15

这家伙很懒，什么也没写！

现在好像可以抓到包，但是一直是ARP的数据包，
打印的数据：
```
ff ff ff ff ff ff 8c 16 45 5c 7a e6 08 06 00 01 08 00 06 04 00 01 8c 16 45 5c 7a e6 0a 00 b6 9e 00 00 00 00 00 00 0a 00 00 c8 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 27 8d d1 2f e2 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 63 82 53 63 35 01 02 01 04 ff ff 00 00 03 04 0a 00 00 01 06 04 0a 00 00 01 33 04 00 01 51 80 3b 04 00 01 27 50 3a 04 00 00 a8 c0 36 04 0a 00 00 01 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
```
这可能是哪里的问题呢？