private void write(byte[] data) { try { if (m_out == null) { m_PortIdPrinter = CommPortIdentifier.getPortIdentifier( m_sPortScale); // Tomamos el puerto m_CommPortPrinter = (SerialPort) m_PortIdPrinter.open("PORTID", 2000); // Abrimos el puerto m_out = m_CommPortPrinter.getOutputStream(); // Tomamos el chorro de escritura m_in = m_CommPortPrinter.getInputStream(); m_CommPortPrinter.addEventListener(this); m_CommPortPrinter.notifyOnDataAvailable(true); m_CommPortPrinter.setSerialPortParams( 4800, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_ODD); // Configuramos el puerto } m_out.write(data); } catch (NoSuchPortException e) { e.printStackTrace(); } catch (PortInUseException e) { e.printStackTrace(); } catch (UnsupportedCommOperationException e) { e.printStackTrace(); } catch (TooManyListenersException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
/* * Open the port, wait for chip init */ public static int initialize(String portName) { System.out.println("Enumerating serial ports:"); portList = CommPortIdentifier.getPortIdentifiers(); while (portList.hasMoreElements()) { portId = (CommPortIdentifier) portList.nextElement(); if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) { // DDT System.out.println(portId.getName()); if (portId.getName().equals(portName)) { System.out.println("Name match on port " + portName); // Init the port, matches name we were given try { serialPort = (SerialPort) portId.open("tx-skeleton", 64); } catch (PortInUseException e) { e.printStackTrace(); System.out.println("Port in use!"); return (4); } try { inputStream = serialPort.getInputStream(); outputStream = serialPort.getOutputStream(); } catch (IOException e) { System.out.println("Unable to connect to I/O streams"); return (3); } try { System.out.println("Initializing ADXL202 board..."); // 38400N81 serialPort.setSerialPortParams( 38400, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); // ADXL202 is powered via DTR line, so set it on serialPort.setDTR(true); try { // Wait a couple of seconds for chip to initialize (blinking LED) Thread.sleep(2000); } catch (InterruptedException ie) { } } catch (UnsupportedCommOperationException e) { System.out.println("Unable to configure serial port!"); return (1); } return (0); } } } return (1); }
public static void main(String args[]) { // Command to turn of GPS int[] turn_off = new int[8]; turn_off[0] = DLE; turn_off[1] = Pid_Command_Packet; turn_off[2] = 2; // Length of data turn_off[3] = Cmnd_Turn_Off_Pwr; turn_off[4] = 0; turn_off[6] = DLE; turn_off[7] = ETX; calcChecksum(turn_off); System.out.println("Turn off checksum: " + turn_off[5]); // Command to ask GPS for time data. int[] transfer_time = new int[8]; transfer_time[0] = DLE; transfer_time[1] = Pid_Command_Packet; transfer_time[2] = 2; transfer_time[3] = Cmnd_Transfer_Time; transfer_time[4] = 0; transfer_time[6] = DLE; transfer_time[7] = ETX; calcChecksum(transfer_time); System.out.println("Transfer time" + transfer_time[5]); // Command to make a product request to the GPS. int[] product_request = new int[6]; product_request[0] = DLE; product_request[1] = Pid_Product_Rqst; product_request[2] = 0; product_request[4] = DLE; product_request[5] = ETX; calcChecksum(product_request); System.out.println("Product request:" + product_request[5]); // Command to ask GPS for position data int[] transfer_position = new int[8]; transfer_position[0] = DLE; transfer_position[1] = Pid_Command_Packet; transfer_position[2] = 2; transfer_position[3] = Cmnd_Transfer_Posn; transfer_position[4] = 0; transfer_position[6] = DLE; transfer_position[7] = ETX; calcChecksum(transfer_position); // Command to ask the GPS to start transmitting PVT data int[] start_PVT = new int[8]; start_PVT[0] = DLE; start_PVT[1] = Pid_Command_Packet; start_PVT[2] = 2; start_PVT[3] = Cmnd_Start_Pvt_Data; start_PVT[4] = 0; start_PVT[6] = DLE; start_PVT[7] = ETX; calcChecksum(start_PVT); // Acknowledge-packet. int[] ack = new int[8]; ack[0] = DLE; ack[1] = Pid_Ack_Byte; ack[2] = 2; ack[4] = 0; ack[6] = DLE; ack[7] = ETX; SerialPort port; BufferedInputStream input; BufferedOutputStream output; System.out.println("Using COM1."); // Open port. try { port = (SerialPort) CommPortIdentifier.getPortIdentifier("COM1").open("dk.itu.haas.GPS", 3000); } catch (NoSuchPortException e) { System.out.println("No such port!\n" + e.getMessage()); return; } catch (PortInUseException e) { System.out.println("Port already in use! (??!)\n" + e.getMessage()); return; } try { input = new BufferedInputStream(port.getInputStream()); output = new BufferedOutputStream(port.getOutputStream()); } catch (IOException e) { System.out.println("IOException... "); return; } System.out.println("Sending:"); printPacket(turn_off); sendPacket(output, turn_off); /* printPacket(transfer_position); sendPacket(output, transfer_position); */ /* printPacket(start_PVT); sendPacket(output, start_PVT); */ /* printPacket(product_request); sendPacket(output, product_request); */ System.out.println("--"); int[] packet; try { Thread.sleep(500); } catch (InterruptedException e) { } try { while (input.available() > 0) { packet = readPacket(input); if (packet != null) { System.out.println("Received:"); printPacket(packet); // Send acknowledge. ack[3] = packet[1]; calcChecksum(ack); sendPacket(output, ack); System.out.println("--"); } else { System.out.println("No packet received."); } try { Thread.sleep(5000); } catch (InterruptedException e) { } } } catch (IOException e) { System.out.println("IOError!"); return; } }