UART-to-Ethernet Loopback Example
This post is the final step of this project. In this post, I implement an example that receives data from ethernet and feed back through UART, then send data to the peer system via ethernet again, and a brief explanation is attached. Variable Declaration As UART communication is done with DMA, we need some buffers for UART DMA Tx and UART DMA Rx. And we donโt know when data arrives in UART DMAโฆ
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