Java tutorial
/** * Copyright (c) 2015 Andrew Rapp. All rights reserved. * * This file is part of arduino-remote-uploader * * arduino-remote-uploader is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * arduino-remote-uploader is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with arduino-remote-uploader. If not, see <http://www.gnu.org/licenses/>. */ package com.rapplogic.aru.uploader.nordic; import gnu.io.PortInUseException; import gnu.io.SerialPortEvent; import gnu.io.UnsupportedCommOperationException; import java.io.IOException; import java.text.ParseException; import java.util.Map; import java.util.TooManyListenersException; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.OptionBuilder; import org.apache.log4j.Logger; import com.google.common.collect.Maps; import com.rapplogic.aru.uploader.CliOptions; import com.rapplogic.aru.uploader.serial.SerialSketchUploader; /** * Uploads sketch to Nordic via the NordicSerialToSPI Sketch * * @author andrew * */ public class NordicSketchUploader extends SerialSketchUploader { final Logger log = Logger.getLogger(NordicSketchUploader.class); private StringBuilder stringBuilder = new StringBuilder(); private final int NORDIC_PACKET_SIZE = 32; public NordicSketchUploader() { super(); } protected void handleSerial(SerialPortEvent event) { switch (event.getEventType()) { case SerialPortEvent.DATA_AVAILABLE: byte[] readBuffer = new byte[32]; try { int numBytes = getInputStream().read(readBuffer); for (int i = 0; i < numBytes; i++) { //System.out.println("read " + (char) readBuffer[i]); // don't add lf/cr chars if ((readBuffer[i] != 10 && readBuffer[i] != 13)) { stringBuilder.append((char) readBuffer[i]); } // got a new line if ((int) readBuffer[i] == 10) { handleSerialReply(stringBuilder.toString()); stringBuilder = new StringBuilder(); } } } catch (Exception e) { log.error("Serial error", e); } break; } } protected void handleSerialReply(String reply) throws InterruptedException { // convert back to byte array for framework int[] replyArray = new int[] { MAGIC_BYTE1, MAGIC_BYTE2, 0, 0, 0 }; if (isVerbose()) { System.out.println("<-" + reply); } // because we only have one serial port I've adopted a simple convention to use the serial // port for both debugging and control. Here's the convention: // starts with OK continue with net // starts with RETRY tx err/no ack, try again // starts with ERROR unrecoverable, fail // anything else is just debug if (reply.startsWith("OK")) { // parse id int replyId = Integer.parseInt(reply.split(",")[1].trim()); replyArray[2] = OK; replyArray[3] = (replyId >> 8) & 0xff; replyArray[4] = replyId & 0xff; } else if (reply.startsWith("RETRY")) { // hacky replyArray[2] = RETRY; } else if (reply.startsWith("ERROR")) { replyArray[2] = START_OVER; } // if not debug message, add reply to queue if (replyArray[2] != 0) { addReply(replyArray); } } @Override public void open(Map<String, Object> context) throws Exception { this.openSerial((String) context.get("device"), (Integer) context.get("speed")); } @Override public void close() throws Exception { getSerialPort().close(); } // TODO send nordic address public void flash(String file, String device, int speed, boolean verbose, int ackTimeout, int arduinoTimeout, int retriesPerPacket, int delayBetweenRetriesMillis) throws IOException, PortInUseException, UnsupportedCommOperationException, TooManyListenersException, StartOverException { Map<String, Object> context = Maps.newHashMap(); context.put("device", device); context.put("speed", speed); // determine max data we can send with each programming packet int pageSize = NORDIC_PACKET_SIZE - getProgramPageHeader(0, 0).length; super.process(file, pageSize, ackTimeout, arduinoTimeout, retriesPerPacket, delayBetweenRetriesMillis, verbose, context); } @Override protected void writeData(int[] data, Map<String, Object> context) throws Exception { //System.out.println("Writing packet " + toHex(data)); for (int i = 0; i < data.length; i++) { write(data[i]); } } @Override protected String getName() { return "nRF24L01"; } public final static String serialPort = "serial-port"; public final static String baudRate = "baud-rate"; private void runFromCmdLine(String[] args) throws org.apache.commons.cli.ParseException, IOException, PortInUseException, UnsupportedCommOperationException, TooManyListenersException, StartOverException { CliOptions cliOptions = getCliOptions(); cliOptions.addOption(OptionBuilder.withLongOpt(serialPort).hasArg().isRequired(true).withDescription( "Serial port of of Arduino running NordicSPI2Serial sketch (e.g. /dev/tty.usbserial-A6005uRz). Required") .create("p")); cliOptions.addOption(OptionBuilder.withLongOpt(baudRate).hasArg().isRequired(true).withType(Number.class) .withDescription("Baud rate of Arduino. Required").create("b")); cliOptions.build(); CommandLine commandLine = cliOptions.parse(args); if (commandLine != null) { new NordicSketchUploader().flash(commandLine.getOptionValue(CliOptions.sketch), commandLine.getOptionValue(serialPort), cliOptions.getIntegerOption(baudRate), commandLine.hasOption(CliOptions.verboseArg), cliOptions.getIntegerOption(CliOptions.ackTimeoutMillisArg), cliOptions.getIntegerOption(CliOptions.arduinoTimeoutArg), cliOptions.getIntegerOption(CliOptions.retriesPerPacketArg), cliOptions.getIntegerOption(CliOptions.delayBetweenRetriesMillisArg)); } } /** * ex ceylon:arduino-remote-uploader-1.0-SNAPSHOT andrew$ ./nordic-uploader.sh --sketch /Users/andrew/Documents/dev/arduino-remote-uploader/resources/BlinkSlow.cpp.hex --serial-port /dev/tty.usbmodemfa131 --baud-rate 19200 arduino-timeout 0 --ack-timeout-ms 5000 --retries 50 Experimental: JNI_OnLoad called. Stable Library ========================================= Native lib Version = RXTX-2.1-7 Java lib Version = RXTX-2.1-7 Sending sketch to nRF24L01 radio, size 1102 bytes, md5 8e7a58576bdc732d3f9708dab9aea5b9, number of packets 43, and 26 bytes per packet, header ef,ac,10,a,4,4e,0,2b,1a,3c ........................................... Successfully flashed remote Arduino in 3s, with 0 retries * @param args * @throws NumberFormatException * @throws IOException * @throws ParseException * @throws org.apache.commons.cli.ParseException * @throws PortInUseException * @throws UnsupportedCommOperationException * @throws TooManyListenersException * @throws StartOverException */ public static void main(String[] args) throws NumberFormatException, IOException, ParseException, org.apache.commons.cli.ParseException, PortInUseException, UnsupportedCommOperationException, TooManyListenersException, StartOverException { initLog4j(); new NordicSketchUploader().runFromCmdLine(args); // new NordicSketchUploader().processNordic("/Users/andrew/Documents/dev/arduino-remote-uploader/resources/RAU-328-13k.hex", "/dev/tty.usbmodemfa131", Integer.parseInt("19200"), false, 5, 0, 50, 250); } }