Android Open Source - shiftknob-android Arduino Hardware

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Back to project page shiftknob-android.


The source code is released under:

Copyright (c) 2013 Ford Motor Company All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...

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Java Source Code

package com.openxc.shiftindicator;
// w  ww.  ja v  a 2  s  .c o  m
import jp.ksksue.driver.serial.FTDriver;

import android.content.Intent;
import android.hardware.usb.UsbManager;
import android.util.Log;

public class ArduinoHardware {

    private static final String TAG = "ArduinoHardware";

    private static final String SHIFT_NAME = "shift";
    private static final String COLOR_NAME = "color";
    private static final String DIGIT_NAME = "digit";

    private static final int UPSHIFT_VALUE = 1;
    private static final int NO_SHIFT_VALUE = 0;

    private static FTDriver mFTDriver;
    private int baudRate = FTDriver.BAUD115200;
    private UsbManager mUsbManager = null;

     * This class handles all communication and device setup for the
     * connection between Shift Indicator app and the Shift Knob
     * hardware. It can serve as a template for future Arduino and/or
     * serial devices attached to an Android device.
    public ArduinoHardware(UsbManager u) {
        mUsbManager = u;

    public void turnOnShiftIndication() {
        String outString = JsonBuilder.builder(SHIFT_NAME, UPSHIFT_VALUE);

    public void turnOffShiftIndication() {
        String outString = JsonBuilder.builder(SHIFT_NAME, NO_SHIFT_VALUE);

    public void sendDigit(int i) {
        String outString = JsonBuilder.builder(DIGIT_NAME, i);

    public void sendColor(int i) {
        String outString = JsonBuilder.builder(COLOR_NAME, i);

    private void sendOut(String s) {
        if (mFTDriver.isConnected()) {
            try {
            } catch (Exception e) {
                Log.d(TAG, "FTDriver.write() just threw an exception.  Is the cable plugged in?");

    public void connect() {
        if (mFTDriver == null) {
            mFTDriver = new FTDriver(mUsbManager);

        if (mFTDriver.isConnected()) {

        if (!mFTDriver.isConnected()) {
            Log.d(TAG, "mFTDriver.begin() failed.");
        } else {
            Log.d(TAG, "mFTDriver.begin() success!.");

    public void usbDetached(Intent intent) {

    public void end() {


Java Source Code List