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Altera_Forum's avatar
Altera_Forum
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16 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
16 years ago

You can send data to UART with

ls > /dev/ttyS0

Or

cat "any_file" > /dev/ttyS0