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Altera_Forum
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20 years ago

UART polling

Hello to everybody, I'm developing an application made by several task. I'd like to receive data from uart in asynchronous way. So I has a main loop that continuously execute some task and...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

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originally posted by ilan-g7@Feb 9 2006, 12:03 PM

instead of using the file *

try using the next code

int fdterm;

int flags= o_rdwr | o_nonblock | o_noctty;

fdterm = open(uartname.c_str(),flags);

if(0==fdterm)

throw execption;

int len=read(fdterm,str,alt_avalon_uart_buf_len);

read will return 0 if there is nothing to read

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So i cannnot use gets() !!

is it rigth ?