Hello all: I would like to understand the way W5500 handles TX_WR pointer. I read the pointer twice: Once at wiz_send_data() routine and once after send() rutine; I expect that when reading it at the second time it will be larger by the len value, added to it before executing the send command. …

W5500 - TX_WR pointer math

bangbh June 17, 2020, 2:20am 2

Hello
I tested like the picture below.

I don’t know exactly how many bytes I sent, but I seems work fine.

Thanks.

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