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Open port without switching DTR line to low #120

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christiankarsch opened this issue Oct 10, 2021 · 0 comments

christiankarsch commented Oct 10, 2021

There is no way to use a serial port without changing the hardware flow control pins.

When calling 'SerialPort.openPort()' DTR line is switching from high to low.

Methodes 'SerialPort.setDTR(...)' , 'SerialPort.setFlowControlMode(...)' or 'SerialPort.setParams(...)' can only be used when port is already open.

The old RXTX lib don't touch the flow control pins. But the library doesn't work anymore on new systems and i need a replacement.

(Windows 10 64Bit; OpenJDK 16.0.2)

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