38 lines
820 B
Go
38 lines
820 B
Go
package serialport
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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)
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func Open115200(path string) (*os.File, error) {
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file, err := os.OpenFile(path, os.O_RDWR|unix.O_NOCTTY, 0)
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if err != nil {
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return nil, err
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}
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termios, err := unix.IoctlGetTermios(int(file.Fd()), unix.TCGETS)
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if err != nil {
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file.Close()
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return nil, err
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}
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termios.Iflag = 0
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termios.Oflag = 0
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termios.Lflag = 0
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termios.Cflag &^= unix.CSIZE | unix.PARENB | unix.CSTOPB | unix.CRTSCTS
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termios.Cflag |= unix.CS8 | unix.CREAD | unix.CLOCAL
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termios.Ispeed = unix.B115200
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termios.Ospeed = unix.B115200
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termios.Cc[unix.VMIN] = 1
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termios.Cc[unix.VTIME] = 0
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if err := unix.IoctlSetTermios(int(file.Fd()), unix.TCSETS, termios); err != nil {
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file.Close()
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return nil, fmt.Errorf("configure %s: %w", path, err)
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}
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return file, nil
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}
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