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Detect CTS

Posted on 2010-09-14
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Last Modified: 2012-05-10
Is there a way to detect the CTS line programmatically (linux)?
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Question by:sjose16
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jkr earned 1000 total points
ID: 33677723
You can use 'ioctl()' with TIOCMGET to get the resiter's status, see http://www.easysw.com/~mike/serial/serial.html#5_1_1 ("Serial Programming Guide for POSIX Operating Systems - Getting the Control Signals")
    #include <unistd.h>
    #include <termios.h>

    int fd;
    int status;

    ioctl(fd, TIOCMGET, &status);

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