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Altera_Forum
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21 years ago

Altera Avalon Uart performance problem

I have been testing the Altera Avalon Uart by sending data to it from a different machine. A program on the other machine sends 16kB of known data out its serial port which connects to the serial ...
Altera_Forum's avatar
Altera_Forum
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21 years ago

<div class='quotetop'>QUOTE </div>

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I&#39;m pursing the software side of things on this forum to see if there is a general limitation of the serial drivers under uClinux on the Nios II. The specification for the Cal_Avalon_Uart states that it is software compatible with the original uart, but one never knows...[/b]

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I am not sure, as long as your UART keeps the RRDY bit on in the status register when the FIFO is not empty, the driver should be able to take all the characters with one interrupt processing. Then it should not drop chars...