Communication Between Two Computers At A Specific Datarate

I need help on "Two computers will communicate in serial port at 500kbps,sender will send floating point data from a file contains large data(for example 8192 nos. of data)",How this specific datarate can be obtained,please tell in c/开发者_JS百科mattlab?

thanks,

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Just configure the UART to the specified datarate.

man ioctl may help.