class SerialConnection extends AnyRef
Represents a serial connection in a more secure and object-oriented style than UnsafeSerial. In
contrast to the latter, this class encapsulates and secures any pointers used to communicate with
the native backend and is thread-safe.
The underlying serial port is assumed open when this class is initialized.
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- def close(): Unit
Closes the underlying serial connection.
Closes the underlying serial connection. Any callers blocked on read or write will return. A call of this method has no effect if the serial port is already closed.
- Exceptions thrown
IOExceptionon IO error
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- def isClosed: Boolean
Checks if this serial port is closed.
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- val port: String
- def read(buffer: ByteBuffer): Int
Reads data from underlying serial connection into a ByteBuffer.
Reads data from underlying serial connection into a ByteBuffer. Note that data is read into the buffer's memory, starting at the first position. The buffer's limit is set to the number of bytes read.
A call to this method is blocking, however it is interrupted if the connection is closed.
This method works only for direct buffers.
- buffer
a ByteBuffer into which data is read
- returns
the actual number of bytes read
- Exceptions thrown
IOExceptionon IO errorPortInterruptedExceptionif port is closed while reading
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- def write(buffer: ByteBuffer): Int
Writes data from a ByteBuffer to underlying serial connection.
Writes data from a ByteBuffer to underlying serial connection. Note that data is read from the buffer's memory, its attributes such as position and limit are not modified.
The write is non-blocking, this function returns as soon as the data is copied into the kernel's transmission buffer.
This method works only for direct buffers.
- buffer
a ByteBuffer from which data is taken
- returns
the actual number of bytes written
- Exceptions thrown
IOExceptionon IO error
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- Deprecated
(Since version ) see corresponding Javadoc for more information.