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Altera_Forum
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21 years ago

How to set stdin to nonblocking

How do I set nonblocking mode for stdin (a standard uart) using the HAL? After wading through hunderds of pages of useless Altera info and library sources, I still can't find that simple piece of...
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Altera_Forum
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21 years ago

int fdterm; // FILEDESCRIPTOR RETURNED BY OPEN

FILE * fpterm; // FILE pointer returned by fdopen

fdterm = open("/dev/uart1", O_RDWR | O_NONBLOCK | O_NOCTTY);

fpterm=fdopen(fdterm,"rw+");

...

uart1_rxcount=read(fdterm,uart1_rxbuffer,UART1_RXBUFFERSIZE-1);

if(uart1_rxcount>0) {

...something received

fprintf(fpterm,"received:%s\r\n",uart1_rxbuffer);

...