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Altera_Forum's avatar
Altera_Forum
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15 years ago

"Resource temporarily unavailable" while reading from "dev/ttyS0"

Hi all, i have ported uClinux on DE2 2c35 board and i want to use RS232 port on the board to communicate with a PC. I understand that I can use "dev/ttyS0" for that purpose. I can open and write ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

yes, i was successful using cat application and write function to send data through "/dev/ttyS0" but i can not read data using read function