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PROCESSOR-SDK-AM437X: UART handshaking in RTOS

Other Parts Discussed in Thread: AM4377

I am having issues adding handshaking to my project, AM4377 on UART3. The Pin Mux Tool suuports CTS and RTS, and having added this to my board definition, and made the new board library, the RTS and CTS functionality does not seem to work, particularly the Auto_CTS, and Auto_RTS functions.

Reading this forum, it apprears that handshaking is not supported on the RTOS. Is this correct? There is a thread from 2017 that states "The processor SDK RTOS currently doesn't support flow control for the UART. We have plan to add this sometime next year.", has this been added, and are there examples of how to use this option?