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Altera_Forum's avatar
Altera_Forum
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16 years ago

Problem with non-blocking UART I/O

Hi guys, I'm struggling with non-blocking UART (RS-232) I/O these days. I'm using the 9.1 suite with Software Build Tools for Eclipse, but it seems that the very same problem was also in previ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

FYI, I was able to do non-blocking I/O (or at least input) successfully by just using the low-level read() system call, without replacing any library source files. I think the implementation of the STDIO routines in the version of newlib that's included with the Nios II IDE doesn't handle non-blocking FDs properly.