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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

for a test try to set the ring buffer size in avalon_uart.h to more than 64 (e.g. 2048)

we also use 2 uarts and we open the uart twice (non blocked for input and blocked for output).