SerialOutputStream: public void write(byte b[], int off, int len)
SerialInputStream: public int read(byte b[], int off, int len)
UsbSerialDevice: public int syncRead(byte[] buffer, int offset, int length, int timeout)
UsbSerialDevice: public int syncWrite(byte[] buffer, int offset, int length, int timeout)
SerialOutputStream: public void write(byte b[], int off, int len) SerialInputStream: public int read(byte b[], int off, int len) UsbSerialDevice: public int syncRead(byte[] buffer, int offset, int length, int timeout) UsbSerialDevice: public int syncWrite(byte[] buffer, int offset, int length, int timeout)