I try wrote a application to access serial port: /dev/ttyS0.
But application return failure if open the /dev/ttyS0. I already disable the login shell in the /etc/inittab
What should I do to for the serial port?
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I try wrote a application to access serial port: /dev/ttyS0.
But application return failure if open the /dev/ttyS0. I already disable the login shell in the /etc/inittab
What should I do to for the serial port?
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