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why the serialport.isCD()[carrier detect] does not work in linux for serial communication

 
Greenhorn
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i have a problem with the serial port not able to check the carrier detect. The isCD()[carrier detect] method is returning false in the case of virtual usb connection to the device. On windows it works fine.This happens in the case of linux systems only.
can anybody help.
 
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"Sunil Em"

Did you find time to check your private messages like I had suggested here? https://coderanch.com/t/437676/Swing-AWT-SWT-JFace/java/with-JOptionPane-showMessageDialog#1945966
 
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