Value of UCC receive buffer length

[yunyuaner]

I'm porting ucc_uart driver from linux to a VxWorks like OS, the driver model of serial module requires a callback function to fetch 1 byte data each rx time, since ucc_uart uses buffer descriptor for tx and rx, I wonder if I can set the max receive buffer length to 1 in parameter ram MRBLR, in order to only fetch 1 byte each time?

Thanks

Jia

[Pavel · Accepted solution]

Yes, your setting is correct.

Set MRBLR to 1 for fetching 1 byte each time.

Have a great day,
Pavel Chubakov

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