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Altera_Forum
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15 years ago

Help With UART RS-232 IRQ NEEK

I work with the NEEK, i am new in altera products. I am learning. I work with a data adquisition in rs232, but i want use the uart interrupt because i need do other processes. I have the basi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You can't use the stdio functions (eg getc) from any interrupt routines. In any case the UART interrupt is probably already used to put characters into teh stdio buffer.

You might be better looking at whether you can request non-blocking IO.

I don't know if the Altera stdio does line buffering - which you also need to disable.