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FT4222

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tovyuriy:
Hello. I have problem with FT4222 module.

How to determine the size of received data by SPI on the in MASTER mode. The FT_GetQueueStatus and FT_GetStatus functions return 0 however, the data is constantly sent from SLAVE and read.

FT4222 rev C

FTDI Community:
Hello,

The only functions that are available for the FT4222 are detailed in the following:
https://www.ftdichip.com/Support/Documents/AppNotes/AN_329_User_Guide_for_LibFT4222.pdf

Appendix D lists the supported D2XX functions, of which FT_GetQueueStatus or FT_GetStatus is not supported.

I would suggest having a look at the examples available on the following page:
https://www.ftdichip.com/Products/ICs/FT4222H.html

Best Regards,
FTDI Community

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