基于芯片建立的工程，使用ETH外设，编译都没有错误，下载程序后，串口一直频繁打印
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- RT - Thread Operating System
/ | 4.0.2 build Sep 28 2020
2006 - 2019 Copyright by rt-thread team
lwIP-2.1.0 initialized!
| /
- RT - Thread Operating System
/ | 4.0.2 build Sep 28 2020
2006 - 2019 Copyright by rt-thread team
lwIP-2.1.0 initialized!
| /
- RT - Thread Operating System
/ | 4.0.2 build Sep 28 2020
2006 - 2019 Copyright by rt-thread team
lwIP-2.1.0 initialized!
| /
- RT - Thread Operating System
/ | 4.0.2 build Sep 28 2020
2006 - 2019 Copyright by rt-thread team
lwIP-2.1.0 initialized!
| /
- RT - Thread Operating System
/ | 4.0.2 build Sep 28 2020
2006 - 2019 Copyright by rt-thread team
lwIP-2.1.0 initialized!
这种打印，不就是说明程序一直在复位重启吗？
经过不断的缩减代码，发现ETH GPIO初始化时不能加/*HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);*/，加上这句后程序就一直频繁打印，不加就很正常。
如下：
e29.html
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