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Altera_Forum
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20 years ago

Multiple serial port misbehavior

Quartus 4.1, Nios1.01: The NiosII system has 2 uarts, a primary debug terminal@115K baud, and a secondary half-duplex slave device@19.2K baud. During operation lots of printf output (from ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Are you using (or needing to use) hardware handshake? Does the UART indicate Rx overrun? If the device is talking to a PC, make sure the Tx FIFO is set to 1.