I am currently using the QCA7000 for Power Line Communication (PLC) by utilizing the STM32 as a master in the SPI protocol, with the QCA7000 acting as a slave. I have consulted the document at https://chargebyte.com/assets/Downloads/an4_rev5.pdf, but I couldn't find any information about Power Line Communication using the QCA7000. Does anyone have any suggestions?
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First step would be to see if you can read the `SPI REG SIGNATURE` register. Apparently it should have the value `0xAA55`. – pmacfarlane May 25 '23 at 11:22
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I appreciate your response. I have read and recorded some registers, and I have confirmed the answer to be 0xAA55. However, I would like to discuss the issue of Powerline Communication. Specifically, I want to transmit information through the power lines rather than just reading and writing on a single QCA7000 device. I want two QCA7000 devices to communicate with each other through the power lines – NamTT191982 May 25 '23 at 14:19
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From what I can tell the device basically functions like an Ethernet adapter. But we have no idea how you've got all this wired up. From a software point of view, I guess the next step would be to send a single packet from one device and receive it on the other. – pmacfarlane May 25 '23 at 14:57