AOAA Kit – Software User`s Guide
Contents
1. G Console amp Problems O Memory B Red Trace Preview Project ADK_XPR_BaseBoerd Debug C C MCU Application C De E import and Export A s Import archived projects zip v5 2 545 ni vie Ti Import exisiting projects C Import files into Project ADK XPR BaseBoard 4 E E Ive dungen ipee rat ro Get Up and Running Quickly and Start Developing Your Application On Day 1 Embedded Artists EA2 USG 1201 Rev A AOAA Kit Software User s Guide Embedded Artists AB Davidshallsgatan 16 211 45 Malmo Sweden info EmbeddedArtists com http www EmbeddedArtists com Copyright 2012 Embedded Artists AB All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Embedded Artists AB Disclaimer Embedded Artists AB makes no representation or warranties with respect to the contents hereof and specifically disclaim any implied warranties or merchantability or fitness for any particular purpose Information in this publication is subject to change without notice and does not represent a commitment on the part of Embedded Artists AB Feedback We appreciate any feedback you may have for improvements on this document Please send your comments2. i B Outline 23 O Copyright C 2011 Embedded Artists AB a E A x e x 7 package com embeddedartists aoa i emo _ Basic com em artists ac iS Demo AOA Ba bedded 99 src amp import android app Activity import declarations 8 com embeddedartists aoa 9 MainActivity JJ AccessoryControl java public class MainActivity extends Activity implements OnClickListener a trimPotArea TextV J MainActivity java B TENUES MES ds 3 a MW d s s btnlArea TextView gs gen Generated Java Files Private variables n btn2Area TextView BA Google APIs Android 2 3 3 sic ke e e e e e ie ie sie i sje sie sje sic sie sie sje sje obe sje chc chc chc she che che che chc che che che che che che che che che che che che che che ie cie e ie ie oie sie sie sie sje oie oic oc oic oic oie oie oie oie oie cie o topLayout LinearL do assets accessoryControl Gs bin UI components They are declared in the XML layout main xml opF TAG String a private TextView trimPotArea le ue res private TextView btnlArea onCresteffundie ij AndroidManifest xml private TextView btn2Area 9 4 onResume void proguard cfg private LinearLayout topLayout 9 a onPause void project properties 9 a onDestroy void B readme b private AccessoryControl accessoryControl 6 a onClick View voic 3A 1 t Demo AOA Nodes j TAS weed for logsiag messages 7 g connected void private static final String TAG
3. File Edit Navigate Search Project Run Window Help mind Or SB j Ba ES E T E Eri E a Se ES X Develop Q i iB S 9oro R Project Ex 33 ior Core Regi Fa Periphera E Q Welcome 73 et Bi amp file C nxp LPCXpresso 4 1 5 219 lpcxpresso pages registered htm E powered by dilicode red LPCXpressod4 is fully activated Welcome to LPCXpresso 4 The software is now fully activated and can be used for production LPCXpresso can be used to generate and download applications containing up to 128KB of code into an LPC target Getting Started Please read the getting started guide for step by step instructions to build your first LPCXpresso project LPCXpresso Getting Started Guide The Red State Guide provides information on using Red State state machine generator within LPCXpresso LPCXpresso Resources software releases more example projects and announcements cC rm 1 Select Import and Export Quicks 23 E RedC 69 Variab 96 Break Start here Y Project and File wizards messo Forum community is exclusively built for LPCXpresso users and is an invaluable resource for getting help and advice on use of the LPCXpresso tools and boards So get connected and join the LPCXpresso community Import and Export See aba 2 Select Import archived projects zip mme Visit the x For info Fe hile DUI
4. EA AOADemo m disconnected vo g showtrror OpenSta s handler Handler new Handler o F receiver Broadcast new Broadcast Called when the actiwitw is first created L EL Problems 2 Javadoc amp Declaration E Console 0 items Description Resource Location Smart Insert zd Figure 21 AOADemo in Eclipse editor 4 3 Setting up Projects in LPCXpresso This section describes how to compile the demo applications for the LPC1769 the same applies for the LPC11C24 developed on the LPCXpresso IDE There are introduction videos and presentations about how to get started with the LPCXpresso IDE on the LPCXpresso website see reference 13 1 Make sure that the latest version of the LPCXpresso IDE is installed 2 Download the package of sample application projects into the Eclipse workspace The package can be downloaded as a zip file from Embedded Artists support page after registering the product The zip file contains all project files and is a simple way to distribute complete Eclipse projects 3 Start the LPCXpresso IDE and select a new and empty workspace directory 4 Select the Import and Export tab in the Quickstart Panel and then Import archived projects zip see Figure 22 below Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide fe Develop Welcome page LPCXpresso
5. Embedded Artists AB 5 2 Theaoa board binaries xxxxxx zip 5 3 The aoa can node xxxxxx zip 5 4 Theandroid apps xxxxxx zip 5 5 The xpr 1769 bb xbee node xxxxxx zip 6 Modifying the Basic Demo 6 1 Adda New Message 6 1 1 Message Identifier in the Android App 6 1 2 Receive a New Message in the Android App 6 1 3 Send a New Message from the Android App 6 1 4 Message Identifier in the Accessory 6 1 5 Receive a New Message in the Accessory 6 1 6 Send a New Message from the Accessory 7 Further Information 33 33 33 33 35 35 35 35 36 3 3 3 39 AOAA Kit Software User s Guide 1 Document Revision History oe e hee PA 2012 02 29 Reorganized chapters to improve readability PAI 02 Updated after review PA3 02 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 2 Introduction Thank you for buying The Android Open Accessory Application Kit from Embedded Artists For the rest of the document the term Android Open Accessory will be written out as AOA The kit hardware and software will be called The AOAA Kit for short When referring to just the hardware the term AOAA Board will be used The kit has been developed by Embedded Artists in close cooperation with NXP It contains two microcontrollers from NXP the LPC1769 Cortex M3 core and LPC11C24 Cortex MO core The two microcontrollers are connected via a CAN network Embedded Artists AOAA Kit lets you get up
6. is used between the USB charger or your PC and the AOAA Board AOAA Kit Software User s Guide e f a USB charger does not exist an external 5VDC 1A supply can be used A Standard 2 1mm power jack input exists on the board Center pin is positive 9 AUSB cable to the Android device Normally this is a USB A inserted in AOAA Board to USB micro B inserted in Android device cable but not always Some Android devices have special USB connectors Use the cable that comes with the Android device and connect to the USB A connector on the AOAA Board The following additional hardware is needed to run the XBee demo in section 3 3 e woor more XBee modules e Either a second AOAA Board or an LPCXpresso LPC1769 mounted on an LPCXpresso Base Board 2 3 ESD Precaution Please note that the AOAA Board comes without any case box and all Make it a habit always to first touch the metal surface of one of the USB or Ethernet connectors for a few seconds with both hands before touching A any other parts of the boards That way you will have the same potential as the board and therefore minimize the risk for ESD components are exposed for finger touches and therefore extra attention must be paid to ESD electrostatic discharge precaution Note that Embedded Artists does not replace boards that have been damaged by ESD 24 General Handling Care Handle the AOAA Board with care The board is not mounted in a protective case box an
7. Android device communicating over USB with an Accessory This is what the first basic demo application implements The second network oriented demo application adds the possibility for a managed CAN network The on board CAN node makes it really simple to add this functionality 3 LPC11C24 this application runs on a fast ARM Cortex MO processor with up to SOMHz core frequency The application implements a CAN node that polls on board sensors temperature light and push button and can control outputs like RGB LED Several CAN nodes can simultaneously be connected to the network The third also network oriented demo applications adds the possibility for a managed wireless network The demonstration is the same as the CAN network It is just the network medium that is changed The XBee wireless modules have been selected in the demo for ease of use and availability 4 Wireless node the application has been ported to two different hardware platforms another AOAA Board and an LPCXpresso LPC1769 mounted on an LPCXpresso Base Board The application reads sensor inputs like trimming potentiometer and can control outputs like RGB LEDs Several wireless nodes can exist simultaneous Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 2 2 Prerequisites This section lists what is needed to get started with application development with the AOAA kit i e with AOA experiments and prototyping 2 2 1 S
8. Software User s Guide v gt gt 8 data 0 v amp xff data 1 sendCommand CMD TRIMPOT data 2 lastTrimpotCheck getMsTicks i Dum DR Betis btnl btn amp BIN SW2 0 btn2 btn amp BIN SW3 0 if lastBtnlState btnl lastBtnlState btnl data 0 btnl sendCommand CMD BTN 1 data 1 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 7 Further Information The LPC1769 11C24 microcontrollers are complex circuits and there exist a number of other documents with a lot more information The following documents and web pages are recommended as a complement to this document 1 NXP LPC1769 Information htto ics nxp com products lpc1000 lpc1 7xx 2 NXP LPC11C24 Information http ics nxp com products Ipc1000 1pc1100 lpc11ocxx 3 Android Open Accessory Information http developer android com guide topics usb adk html and http www google com events io 2011 sessions android open accessory api and development kit adk html 4 USB Accessory Development Guide http developer android com guide topics usb accessory html 5 Android SDK htto developer android com sdk index html 6 The Android Developer s Guide http developer android com guide index html 7 ARM Processor Documentation Documentation from ARM can be found at http infocenter arm com 8 Information on different ARM Architectures http www arm com products p
9. acc a is C ode Ked OIOCGIC P D o550 VED c Visit the Embedded Artists LPCXpresso website ess Imp ort project s from XML Descriptio n not suppor C3 Import files into J Export projects to archive zip ae Export projects and references to archive zip E Console 23 I Problems g Memory Bil Red Trace Preview ME F E No consoles to display at this time Smart Import wizard Build and Settings Y GI Extras n aoaa 1769 Figure 22 LPCXpresso IDE Import Archived Project 9 Browse and select the downloaded zip file containing the archived sample applications Select all sub projects to be imported see Figure 23 below Import archived projects zip Import archived projects zip Select a directory to search for existing Eclipse projects 1 B rowse a nd select archived project file Select root directory cADevelopiaoaa board 120209 zip mm 2 Select wanted dne uu dud sub projects RTOS demo FreeRTOS demo AOA Lib AOA Board Lib Board CMSISv2p00 LPC17xx Lib CMSISv2p00 LPC17xx FatFs SD Lib FatFs SD iB FreeRTOS Lib FreeRTOS D Iwip Lib Iwip he RACH SI ih KACIN i N9ffpy projects into workspace 3 Import project Figure 23 LPCXpresso IDE Import Archived Project Window Copyright 2012 Embedded Artists A
10. bring up the controls for that Node see Figure 9 Note that the button to control the green color of the RGB LED will appear to be broken that is nothing happens when clicking on the Green button This is because the pin connected to the green LED is shared with the JTAG interface on the CAN Node To get it to work the JTAG interface has to be disabled The Android application detects when the USB cable is disconnected and changes the appearance to reflect this See Figure 10 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Accessory Disconnected Figure 10 Accessory Disconnected 3 3 AOA XBee The AOAA Board has a connector for an XBee wireless module see Figure 11 This demo shows how to use the AOAA Board as a gateway between the Android device and an XBee network iN A J JA i la HEEL leek a Ae MD Da rd n A lw ae F i Figure 11 Socket for Digi XBee RF module Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide ili be z XBee Node running on an AOAA Board XBee Node running on an LPCXpresso Base Board Gateway for the XBee network connected to Android device Figure 12 XBee Demo Setup Note that at least two XBee modules are needed one on the AOAA Board acting as a gateway and the second on the board acting as an XBee node In Figure 12 there are three XBee modules since two XBee nodes are connected to the gate
11. document Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide E Android Device Chooser Select a device compatible with target Google APIs Google Inc Choose a running Android device Serial Number AVD Name Target Debug State omite ers N A 402 Online unch a new Android Virtual Device 5L AVD Name Target Name Platform API Level CPU ABI Details No AVD available Refresh Manager CE oe Use same device for future launches Figure 30 Android Device Chooser 4 6 Preparing the Android Device Before attempting to debug the Android application the device must be prepared and connected to the PC 1 The demo has not been uploaded to Android Market In order to install the demo from a different source the settings in the Android device must be changed Go to Settings and then Applications in the device and check Unknown sources see Figure 31 for Nexus One and Figure 32 for Motorola Xoom Note On Android devices running Android 4 0 this setting has been moved from Applications to Security Application settings Unknown sources Manage applications Running services Storage use Battery use Development Figure 31 Unknown Sources Nexus One Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Settings F Wireless amp networks Sound Manag
12. need to unzip this file instead use the procedure described in section 4 3 to open it in an LPCXpresso IDE workspace The workspace will contain 14 projects of which 6 are demos demo aoa basic Implements a demo that shows how to move data from the Android oee 3 1 device to the Accessory and the other way around The Android device can control the LEDs and read the state of buttons and trimming potentiometer on the LPC1769 side of the AOAA Board The gateway used in the CAN demo The gateway that configures an XBee module to be a Coordinator FreeRTOS demo An example of how to use FreeRTOS Iwip httpd An IwIP based web server Demonstrates the use of both LibFatFs SD See 3 5 and Lib lwip Software for using the AOAA Board only as an XBee node The remaining 9 projects are support libraries Lib AOA Code for the Android Open Accessory protocol Lib Board Board specific drivers shared by multiple projects Includes e g Xbee E2PROM and button code Lib CMSISv2p00 LPC17xx The CMSIS Cortex Microcontroller Software Interface Standard library Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Lib FatFs SD Contains ChaN s Fat FS Module ported to the LPCXpresso Base Board http elm chan org fsw ff O0index e html Lib b FreRTOS 0 A AportofFreeRTOS 00000 0 of FreeRTOS Lian MN A port e IwIP ver 1 4 0 Lib MCU Drivers for the MCU peripherals nxpUSBLib NXP s USB library 5 2 Theaoa bo
13. serial key for access to the support site An LPC Link is needed for effective application development on the LPC processors Check the AOAA Board hardware user s guide for information about how to create an LPC Link from an LPCXpresso target board There is also an FAQ entry on the Embedded Artists web site with a detailed guide on how to create an LPC Link e Embedded Artists sells LPCXpresso boards that have the needed modifications done to create an LPC Link from an LPCXpresso Board An Android device that supports AOA Check the AOAA Board hardware user s guide for a list of confirmed supported Android devices e The Android application demos have not been uploaded to the Android Market In order to install the demos from a different source the settings in the Android device must be changed Go to Settings and then Applications in the device and select Unknown sources On Android devices running Android 4 0 this setting has been moved from Applications to Security e The second setting is required when developing applications for an Android device Go to Settings Applications and then Development and enable USB debugging A 5VDC power supply In most cases the Android device is supplied with a USB charger that has a USB A connector for supplying the 5VDC The USB charger must be capable of supplying 0 8 1 0A e The USB cable that is included in the AOAA kit USB A to USB B
14. to support EmbeddedArtists com Trademarks All brand and product names mentioned herein are trademarks services marks registered trademarks or registered service marks of their respective owners and should be treated as such Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Table of Contents 1 Document Revision History 5 2 Introduction 6 2 1 Demo Applications Overview 6 2 2 Prerequisites 9 2 2 1 Software 9 2 2 2 Hardware 9 2 3 ESD Precaution 10 2 4 General Handling Care 10 2 5 Code Read Protection 10 2 6 Other Products from Embedded Artists 10 2 6 1 Design and Production Services 10 2 6 2 OEM Education QuickStart Boards and Kits 11 3 Demos 12 3 1 AOA Basic 12 3 1 1 Setup 12 3 1 2 Alternative Setup 12 3 1 3 Running the Demo 13 3 2 AOACAN 13 3 2 1 Setup 15 3 2 2 Running the Demo 15 3 3 AOA XBee 16 3 39 1 Setup 17 3 3 2 Alternative Setup 18 3 3 3 Running the Demo 18 3 4 FreeRTOS 19 3 4 1 Setup 19 3 4 2 Running the Demo 19 3 5 Web Server 19 3 5 1 Setup 19 3 5 2 Running the Demo 20 4 Guides 21 4 1 Installing Suggested Android Application 21 4 2 Setting up Android Projects 22 4 3 Setting up Projects in LPCXpresso 23 4 4 Debugging a Project in LPCXpresso 26 4 5 Debugging an Android Application 27 4 6 Preparing the Android Device 29 5 Software packages 32 5 1 The aoa board xxxxxx zip 32 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Copyright 2012
15. 0 Demo ER Basic The EE Uses Basic application used in the demo with the same name See section 3 1 Demo AOA Nodes The AOA Nodes application used in both the AOA CAN and AOA XBee demos See sections 3 2 and 3 3 5 5 The xpr 1769 bb xbee node xxxxxx zip This zip file contains the software for an LPC1769 LPCXpresso Board when used with an LPCXpresso Base Board and an XBee module as described in the AOA XBee demo in section 3 3 There is no Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide need to unzip this file instead use the procedure described in section 4 3 to open it in an LPCXpresso IDE workspace The workspace will contain 4 projects Project Description Lib Board Board specific drivers shared by multiple projects Includes e g Xbee E2PROM and button code Lib CMSISv2p00 LPC17xx The CMSIS Cortex Microcontroller Software Interface Standard library Lib MCU Drivers for the MCU peripherals The code to flash on the LPC1769 LPCXpresso Board Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 6 Modifying the Basic Demo This chapter describes how to modify the AOA Basic demo see section 3 1 applications in order to add new messages being sent between the Android device and the accessory Changes to the demo means modifying both the Demo_AOA_Basic Android application referred to as Android App below and the demo_aoa_basic project referred to as Ac
16. AOAA Kit Software User s Guide Copyright 2012 Embedded Artists AB Android Open Accessory Application Kit Software User s Guide Develop Project IDK XOR BaszeBoard src m File Edit Source Refactor Navigate Search Run Project Window Help ae he Bed amp SN dms E BG 9 9 9IQq r3 X Develop apr prt IBS Project Ex 12 ifii Core Regi Periphers E 3 Debug 7 xcd g 20 i 5 EA v E Project ADK XPR BaseBoard Debug C C MCU Application i BSP x d MCU GDB Debugger 2011 11 18 08 43 Suspended es CDL y Thread 1 Suspended Breakpoint hit i Example AudicOutputHost P ORE M z u Example GenericHIDDevice eS Example KeyboardDevice cS Example KeybosrdHost 7 a i Example MassStorageDevice 38 i Example MassStorageHost i Example MouseDevce m u nxpUSBlib ES Project ADK XPR BaseBoard P Binaries e 104 int main void KP Includes i Ose sevup_nardware i EaBaseBoard x Lib printf AOA Demo Running irWin 1 A AndroidAccessoryHost c A AndroidAccessoryHost h for ConfioDescriptor c 1 t a dB RedC 09 Varia 9o Break m 112 Monitor Task AndroidHost Task S Start here E i New project Import project s 55 Build all projects Debug amp Build Project ADK XPR BaseBoard Debug of Clean Project ADK XPR BaseBoard Debug Debug Project ADK XPR BaseBoard Debug 9 Quick Settings v
17. ArAin Y mmm Ifi ra lt fes IANnIINGCINGA s MATOALFAlA Xxnnm i 1Q ure 04 USD VeNU UU 1d VIO tOO ia AOO1TI J JJ J 3 The device drivers for the Android device must be installed on the PC See the user s guide for the device on how to install the driver 4 Connect the Android device to the PC Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 5 Software packages A couple of zip files are available on Embedded Artists support pages Register using the serial number accompanying the AOAA Board to gain access to the pages The zip files note that xxxxxx is the date that the package was created 1 Theaoa board xxxxxx zip contains all the software needed for the LPC1769 on the AOAA Board 2 Theaoa board binaries xxxxxx zip contains pre compiled versions of the demos in aoa board xx xx zip 3 Theaoa can node xxxxxx zip contains the software for the LPC11C24 on the CAN part of the AOAA Board 4 Theandroid apps xxxxxx zip contains the software for the two Android applications AOA Basic and AOA Node used by the demos 5 The xpr 1769 bb xbee node xxxxxx zip contains the software for an LPC1769 LPCXpresso Board to use with an LPCXpresso Base Board and an XBee module when running the XBee demos Each zip file is described in more detail in the following sections 5 1 Theaoa board xxxxxx zip This zip file contains all the software needed for the LPC1769 on the AOAA Board There is no
18. B AOAA Kit Software User s Guide 6 By default the NXP USB library has been configured for USB device only This needs to be changed to USB host Right click on the nxpUSBlib project and select Build Configuration then Set Active In the list select LPC17xx Host See Figure 24 gt EE Lip_rreeniu gt gt tS Lib Iwi gt tS Lib MC gt uc Iwip h gt TES nxpUSE gt ES xbee n IW Quicks 22 E E l ty Debug nx Q3 Quick Se i E Eve New Go Into Open in New Window Copy Paste Delete Move Rename Import Build Project Clean Project Refresh Close Project Close Unrelated Projects Build Configurations Make Targets Index Convert To Run As Debug As generate and download applications containing up to 128KB of code into an LPC target tting Started Please read the getting started guide for step by step instructions to build your first LPCXpresso project LPCXpresso Getting Started Guide Ctrl C The Red State Guide provides information on using Red State state machine generator within LPCXpresso Ctrl V Xpresso Resources Delete Check the LPCXpresso Support page for new LPCXpresso software releases more example projects and announcer Visit wwWw nxp com Ilpcxpresso support F2 Xpresso Forum The LPCXpresso Forum community is exclusively built for LPCXpresso users and is an invaluable resource for getting advice on use of the LPCXpresso tools and boards So
19. accessory by opening the AndroidAccessoryHost c file and define a new constant with a unique ID See how these defines are related to the constants in the AccessoryControl java file Message indexes for messages sent to the device m define CMD TRIMPOT 0 define CMD BTN 1 1 define CMD BTN 2 2 pe Message indexes for messages sent from the device m define CMD RGB LED6 10 define CMD RGB LED 11 6 1 5 Receive a New Message in the Accessory Locate the processCommand function in the AndroidAccessoryHost c file and add processing of the new message static void processCommand uint8 t cmd uint8 t hi uint8 t lo switch cmd case CMD RGB LED6 if lo 0 f on hi else off hi j rgo setheds LED 6 on Off break case CMD RGB LED7 Lf lo 19 0 1 on hi else off hi j rgb setLeds LED 7 on Oft break 6 1 6 send a New Message from the Accessory The Monitor Task function in the AndroidAccessoryHost c file is called regularly to check if a state has been changed that the Android device should be notified about If a new peripheral is to be monitored and messages sent to the Android device add it in the Montor Task function void Monitor Task void uinte t data r2 uinte t Joy 07 if getMsTicks gt lastTrimpotCheck 50 uncle t v LEIEINDOC gel if v lastTrimpot lastlIrimpor y Copyright 2012 Embedded Artists AB AOAA Kit
20. and running with AOA experiments immediately It is a standalone platform for evaluation and prototyping electronic accessories for Google s Android operating system The AOAA Board is also suitable for experimenting with CAN Ethernet and RF networks The AOAA Board has been designed for evaluation and is not designed for final integration into consumer or industrial end products This document is a User s Guide that primarily describes the software design of the AOAA Kit demonstration applications The hardware design is addressed in another document It is recommended that the reader has some basic knowledge about C programming and Android App development A good source for Android App development is the Android Developers Guide see reference 6 2 1 Demo Applications Overview Android Open Accessory allows connecting Accessories to an Android device typically a phone or tablet The Accessory and Android device communicates over USB The Accessory has to implement a USB Host interface while the Android acts as a USB client also called USB Device For more information about Android Open Accessory see 3 From a software perspective this means that the Accessory must implement a USB Host interface There must also be two applications one on the Accessory and one on the Android device The two applications communicate over a custom defined protocol AOA leaves this protocol open The applications have complete freedom in defining the pr
21. ard binaries xxxxxx zip As the name suggests the aoa board binaries oox zip file contains pre compiled versions as hex files of all the demos in aoa board xx zip It is recommended to download and install Flash Magic http www flashmagictool com It is a PC tool for programming flash based microcontrollers from NXP over the UART This application can download the pre compiled applications to the LPC1769 on the AOAA Board 5 3 Theaoa can node xxxxxx zip This zip file contains the software needed for the LPC11C24 on the AOAA Board The software is flashed when the AOAA Board is delivered but if it has to be flashed again use the procedure described in section 4 3 using this zip file The workspace will contain 4 projects Lib Board Board specific drivers shared by multiple projects Includes e g Xbee E2PROM and button code Lib CMSISv2p00 LPC17xx The CMSIS Cortex Microcontroller Software Interface Standard library Lib MCU Drivers for the MCU peripherals The code to flash on the LPC11C24 Note that the only possibility for downloading code to the LPC11C24 is via the SWD JTAG interface 5 4 The android_apps_Xxxxxx zip This zip file contains the two Android applications used in the demos in sections 3 1 to 3 3 There is no need to unzip this file instead use the procedure described in section 4 2 to open it in an Eclipse workspace The workspace will contain 2 projects Project Description 00
22. build configuration c Project and File wizards Console 53 B Problems G Memory dil Red Trace Preview D S GB aH E mE J r m Z i rt and Export C Build demo_aoa_basic Une make clean Build and Settings rm rf src AndroidAccessoryHost o src cr startup lpci7 0 src main o src AndroidAccessoryHost d src cr startup lpci7 d src main d demo aoa basic axf 3 amp Debug and Run E vr vr I Evtrse g tS demo aoa basic demo aoa basic NXP LPC1769 Figure 26 LPCXpresso IDE Debug Project In case flashing fails an error message like below will be displayed This is an indication that the debugger could not connect to the LPC1769 or LPC11C24 The most common reason is that the microcontroller was in a low power mode where debug connection is not possible Make sure the microcontroller is in ISP bootload mode and try again Also make sure the small 10 pos flat cable is correctly connected o 02 Failed on connect Ee 07 Bad ACK returned from status wire error d Figure 27 LPCXpresso IDE Program Failing to Flash When the code has been downloaded execution will stop at the first line in the main function Press F8 on the computer keyboard to resume start execution 4 5 Debugging an Android Application Debugging an Android application on a device such as Nexus One or Motorola Xoom requires a USB connection to that device As a result it
23. cessory below 6 1 Add a New Message Messages such as update RGB LED or update temperature is sent between the Android device and the accessory By default the demo shows five peripherals on the AOAA Board and therefore contains messages for these peripherals Each message has a unique identifier and can be associated with 2 data bytes please note that this is something specific to this demo The actual protocol being used is application dependent 6 1 1 Message Identifier in the Android App Add a new message identifier in the Android App by opening the AccessoryControl java file and define a new constant with a unique ID The naming used for the default constants indicate the direction of the message The temperature and button values are received from the accessory while the RGB LED values are sent to the accessory 73 Message indexes for messages sent from the Accessory d public static final byte MESSAGE IN TRIMPOT 0 public static final byte MESSAGE IN BTN 1 1 public static final byte MESSAGE IN BTN 2 2 es Message indexes for messages sent to the Accessory a public static final byte MESSAGE OUT RGB 6 LED 30s public static final byte MESSAGE OUT RGB 7 LED 11 6 1 2 Receive a New Message in the Android App A separate thread has the responsibility to read messages from the accessory Locate the Receiver at the end of AccessoryControl java file There is a switch case statement processing the messages Add th
24. d and a demo is available that show how to use it e wIP v1 4 0 has been ported to the board The httpserver raw webserver application from the IwIP contrib package is available with a small modification to use the on board SD card interface instead of the ROM based file system e FatFs file system module has been ported to the board The IwIP demo based on httpserver raw is using this module to access files on an SD card e nxpUSBlib which is NXP s USB library is available and used in the AOA demos Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide All in all there are applications on four separate devices See picture below 4 Wireless node LPCXpresso Base Board or other AOAA board 2 Android device 1 LPC1769 3 LPC11C24 Figure 2 Applications Running in Parallel Up to three of them are running in parallel in the demo applications 1 LPC1769 this application runs on a fast ARM Cortex M3 processor with up to 120MHz core frequency The application implements the Accessory functionality in the system The processor has the capability of implementing big and complex applications 2 Android device this application runs on a fast application processor on the Android device The application implements some form of graphical user interface and other logic needed to control the Accessory These two applications represent the core of the basic AOA implementation an
25. d is not designed for rough physical handling Connectors can wear out after excessive use The board is designed for evaluation and prototyping use and not for integration into consumer or industrial end products 2 5 Code Read Protection The LPC1769 and LPC11C24 have a Code Read Protection function specifically CRP3 see respective datasheets user s manuals for details that if enabled will make the chip impossible to reprogram unless the user program has implemented such functionality Note that Embedded Artists does not replace AOAA boards where the LPC1769 or LPC11C24 have CRP3 enabled It s the user s responsibility to not invoke this mode by accident 2 6 Other Products from Embedded Artists Embedded Artists have a broad range of LPC1000 2000 3000 4000 based boards that are very low cost and developed for prototyping development as well as for OEM applications Modifications for OEM applications can easily be done even for modest production volumes Contact Embedded Artists for further information about design and production services 2 6 1 Design and Production Services Embedded Artists provide design services for custom designs either completely new or modification to existing boards Specific peripherals and I O can easily be added to different designs for example communication interfaces specific analog or digital I O and power supplies Embedded Artists has a broad and long experience in designing industrial electr
26. e 7 for an example where the CAN Node is separated from the AOAA Board Figure 7 CAN Node Separated Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 3 2 1 Setup This setup uses the prebuilt version of the AOA Node application Android application that is stored on the Embedded Artists web site 1 Flash the demo_aoa_can project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 2 The CAN node has an LPC11C24 that come pre flashed with the correct software for this demo If the software have to be changed then flash the aoa can node an LPC11C24 project on the CAN node using the LPCXpresso IDE as explained in section 4 3 3 Connect the Android device to the AOAA Board as shown in Figure 6 4 Follow the instructions on the display to download install the Android application This is explained in more detail in section 4 1 3 2 2 Running the Demo The first thing that happens as the Android device is connected to the AOAA Board is that a dialog appears asking Open AOA Node when this USB accessory is connected Answer OK to start the application The Application will start with a list of available CAN nodes only one in this case and will look like Figure 8 below v Connected as a media device Node 144 Temperature Light Button 28 12897 0 RGB LED Accessory Connected Node 144 ll 0 0 Q 166 0 Red Green Blue LED On Click on the Node in the list to
27. e applications Manage and remove installed applications Y Screen Running services 233 Location amp security View and control currently running services P Applications Storage use View storage used by applications Sey ccounts amp sync y Battery use What has been using the battery HH Privacy Unknown sources E Storage Allow installation of non Market applications Language amp input Development Set options for application development V Accessibility Date amp time About tablet 2 One more setting that is useful when developing applications for an Android device is to enable USB debugging Go to Settings Applications and then Development and enable USB debugging see Figure 33 for Nexus One and Figure 34 for Motorola Xoom elop C USB debugging Debug mode when USB is conne Stay awake Screen will never sleep while charging Allow mock locations Allow mock locatior Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Settings F Wireless amp networks Applications Sound Li Screen Stay awake 1 1 Location amp security Screen will never sleep while charging USB debugging Debug mode when USB Is connected P Applications Allow mock locations Allow mock locations C Accounts amp sync HH Privacy Storage LA Language amp input V Accessibility Date amp time QE VITIS ma A IARI y Cinrira QA QD TA ALINAN TITA AN MAt
28. e new message identifier to this switch case statement and process the new message As can be seen in the example below a Message object is created and then sent using the Handler object The message is being sent to the UI thread which is responsible for updating the user interface The only thing being sent in the example below is an integer value being constructed out of 2 data bytes while pos numRead int len numRead pos switch buffer pos case AccessoryControl MESSAGE IN TRIMPOT if len gt 3 Message m Message obtain handler AccessoryControl MESSAGE IN TRIMPOT m argl toInt buffer pos 1 buffer pos 2 handler sendMessage m j pos Te 3j break case AccessoryControl MESSAGE IN BIN i Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide if len gt 2 Message m Message obtain handler AccessoryControl MESSAGE IN BIN 1 m argl tolInt byte 0 buffer pos 11 handler sendMessage m pos 2 break The Handler which receives the message must also be modified to react on the message which typically is to update something in the user interface Open the MainActivity java file and locate the instantiation of the Handler and add handling of the new message private final Handler handler new Handler Override public void handleMessage Message msg Switch msg what case AccessoryControl MESSAGE IN TRIMPOT trimPotArea setText
29. eRTOS demo Lib AOA Welcome to LPCXpresso 4 The software is now fully activated and can be used for production LPCXpresso can be used to T Lib B d generate and download applications containing up to 128KB of code into an LPC target gt ib Boar gt ES Lib CMSISv2p00 LPC17xx Getting Started gt ES Lib FatFs SD Please read the getting started guide for step by step instructions to build your first LPCXpresso project gt Lib_FreeRTOS Lib Iwi LPCXpresso Getting Started Guide d E EN The Red State Guide provides information on using Red State state machine generator within LPCXpresso gt ib i powered by dilicode red j gt iS Iwip httpd LPCXpresso Resources gt tS nxpUSBlib Check the LPCXpresso Support page for new LPCXpresso software releases more example projects and announcements W Quicks RN RedC i 69 Variab 90 Break E Visit www nxp com Ipcxpresso support LPCXpresso Forum CI Start here D The LPCXpresso Forum community is exclusively built for LPCXpresso users and is an invaluable resource for getting help and j New project advice on use of the pA tools and boards escenas onnected and ipin the PUXpres lt o community 2 Buildiclean d pu can post visit www nxp com Ipcxpresso forum Visit the Embedded Artists LPCXpresso website y For information on upgrades etc visit the Code Red Technologies LPCXpresso website dd EJ Console XP N t P
30. f the IP address is 192 168 5 239 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 4 Guides 4 1 Installing Suggested Android Application When connecting the Android device to the AOAA Board the Android device searches for a matching application If one cannot be found then a dialog appears as shown in Figure 16 Click the View alternative which will launch a web browser to download the file The downloaded file is visible when the notification bar is expanded see Figure 17 Install the application by clicking on it Dialogs shown in Figure 18 and Figure 19 will appear from a device running Android 4 P Connected as a media device Demo AOA Basic No installed applications work with this USB accessory Learn more about this accessory at http www embeddedartists com _aoa Demo_AOA_Basic apk Cancel View AOA Basic Do you want to install this application Cancel Install Copyright 2012 Embedded Artists AB February 29 2012 USB debugging connected Select to disable USB debugging i Connected as a media device Touch for other USB options Demo AOA Basic 1 apk Download complete AOA Basic v Application installed AOAA Kit Software User s Guide 42 Setting up Android Projects This section describes how to compile the demo applications for the Android device 1 The Android SDK with support for Android 2 3 4 API 10 must be installed on the computer
31. get connected and join the LPCXpresso community To view the forum and to register so that you can post visit www nxp com Ipcxpresso forum neral Information F5 Visit the NXP LPCXpresso website For information on upgrades etc visit the Code Red Technologies LPCXpresso website Visit the Embedded Artists LPCXpresso website gt Set Active 1 LPC11Uxx_Device USB Device stack for the LPC11Uxx 2 LPC17xx Device USB Device stack for the LPC17xx 3 LPC17xx Host USB Host stack for the LPC17xx 4 LPC1 amp xx Device USB Device stack for the LPC18xx 5 LPC18xx Device Rev USB Device stack for the LPC18xx Rev 6 LPC18xx Host USB Host stack for the LPC18xx 71 PC1Rxx Host Rev LISR Host stack for the PC1Rxx Rev b Manage Build All Clean AIl D Build Selected Figure 24 Configuring nxpUSBlib for USB Host 7 The projects are now imported Click to select the project to work with 8 Click Build in the Quickstart Panel under Start Here See Figure 25 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 14 Develop Welcome File Edit Navigate Search Project Run Window Help ri E gel ager 8 ew wae amp B 1G 0 i 4 1 e 05 Project Ex 3 et Core Regi Periphera IIg Welcome 23 d Dum 1 Click to select project to build C manans a mas ist eye src readme tet gt ES demo aoa can gt E demo aoa xbee LPCXpresso4 is fully activated gt E Fre
32. he AOAA Board using the LPCXpresso IDE as explained in section 4 3 2 Connect the USB cable between the AOAA Board and the PC 3 Start a terminal program on the PC to see the messages sent from the receiving task 3 4 2 Running the Demo The receiving task will send the string Receive Task on the UART once every second 3 5 Web Server lwIP v1 4 0 see 17 has been ported to the AOAA Board The httpserver raw webserver application from the IwIP contrib package is available with a small modification to use the on board SD card interface instead of the ROM based file system 3 5 1 Setup 1 Add one or more files to an SD card and then insert it into the slot on the AOAA Board 2 Open the Iwip_httpd project in the LPCXpresso IDE as described in section 4 3 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 3 The IP number for the AOAA Board is statically defined i e no DHCP and must likely be modified to avoid conflicts with the network it will be connected to The IP address net mask and gateway settings can be found in main c 4 Attach the network cable to the AOAA Board 9 Flash the Iwip httpd project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 3 5 2 Running the Demo Open a web browser and enter the IP address of the AOAA Board that you selected during Setup For example if the SD card has a file named test html it can be accessed as http 192 168 5 239 test hml i
33. he applications show how to move data in both directions from Android device to the Accessory and the other way around e he LPC11C24 is not used in this demo 2 Anetwork oriented demonstration application the Accessory LPC1769 manages nodes in a CAN network and present information from the nodes LPC11C24 on the Android device e The CAN nodes can be controlled and monitored from the Android device e The Accessory detects when CAN nodes are connected and or removed e The Android application is a little bit more advanced than in the first demo application 3 Anetwork oriented demonstration application the Accessory LPC1769 manages nodes in a wireless network and presents information from the nodes on the Android device e he wireless nodes can be controlled and monitored from the Android device e The Accessory detects when wireless nodes are added and or removed from the network e The XBee wireless modules are used in the demonstration The nodes are either other AOAA Boards with special application or LPCXpresso LPC1769 Board mounted on the LPCXpresso Base Board e The same Android application as for the CAN network is used The source code has been organized in libraries for modularity and ease of use The source code packages are great platforms for quickly getting started with development of own applications The LPC1769 package contains several well known software packages e FreeRTOS has been ported to the boar
34. is not possible to debug the Android application while it is connected to the AOAA Board To debug an Android application for the first time 1 Make sure the Android device is connected to the PC and that the ADB drivers are installed Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 2 Click the Debug as button See Figure 28 Java Demo_AQA Basic src com embeddedartists aoa MainActivity java Eclipse SDK Click to start File Edit Run Source Navigate Search Project Refactor Window Help ArH Se 8B vies Ks o7 a E G I Package Explorer Tm cR Ai vlainA sti Debug As a strings xml amp Copyright C 2011 Embedded package com embeddedartists aoa debugger Wc Mem ACA Racu Figure 28 Start debugger 3 Select Android Application in the dialog that appears See Figure 29 Debug As Select a way to debug Demo AOA Basic Android Application Ji Android JUnit Test E Java Applet O Java Application Ju JUnit Test Description Debugs an Android Application Figure 29 Debugging type 4 The Android Device Chooser appears see Figure 30 The connected Android device should be listed under Running Android devices Select it and press OK 9 The application will now be installed and started on the selected Android device 6 Itis possible to set breakpoints and single step through the code using the Eclipse IDE but that is out of scope for this
35. mation version Copyright 2012 Embedded Artists AB
36. msg argl break case AccessoryControl MESSAGE IN BIN 1i btnlArea setText msg argl break case AccessoryControl MESSAGE IN BTN 2 btn2Area setText msg argl break Note The reason for using a Handler is that the Android UI toolkit is not thread safe which means that the UI must only be manipulated from the UI thread Read more about this in Painless Threading reference 15 and Android Developers Threading and Processes reference 16 6 1 3 send a New Message from the Android App If the Android App should send a new message to the accessory it is the AccessoryControl writeCommand method that must be used In the demo messages are sent as a reaction to the user pressing a button in the user interface The onClick method is invoked when a user presses a button and as the example below illustrates the writeCommand method is called public void onClick View v switch v getId case R id redBtn accessoryControl writeCommand AccessoryConLrol MEs5AGE OUT RGB LED AccessoryControl MESSAGE RGB VAL RED ToggleButton v isChecked 1 0 break case R id greenBtn accessoryControl writeCommand AccessoryControl MESRSSAGE OUT RGB 6 LED AccessoryControl MESSAGE RGB VAL GREEN ToggleButton v isChecked 1 0 break Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 6 1 4 Message Identifier in the Accessory Add a new message identifier in the
37. nnect the Android device to the first AOAA Board as shown in Figure 12 9 Follow the instructions on the display to download install the Android application This is explained in more detail in section 4 1 3 3 3 Running the Demo The first thing that happens as the Android device is connected to the AOAA Board is that a dialog appears asking Open AOA Node when this USB accessory is connected Answer OK to start the application The Application will start with a list of available XBee nodes only one in this example and will look like Figure 14 below Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide i USB debugging connected Connected as a media device Accessory Connected Node 1 Node Temperature Button Green Blue Each discovered node sends its capabilities to the gateway which forwards the information to the Android application which in turn alters the user interface to reflect this In Figure 15 there is no light sensor compared to Figure 9 even if it is the same application The Android application detects when the USB cable is disconnected and changes the appearance to reflect this See Figure 10 3 4 FreeRTOS FreeRTOS see 11 has been ported to the AOAA Board As it is not used in any of the AOA demos there is a separate demo for it The demo shows two tasks one sender and one receiver 3 4 1 Setup This demo only needs one AOAA Board 1 Flash the FreeRTOS demo project on t
38. oftware The following software packages are needed to start working 1 2 2 2 For program developing on the Accessory side LPC1769 and LPC11C24 the latest version of the LPCXpresso IDE must be downloaded and installed See 13 htto www nxp com pcxpresso for details where to download and how to install For developing the application on the Android side download and install the Android SDK See 5 Note that the Android demo applications in this document are based on Android 2 3 4 API 10 with Google API and that support must be selected during SDK installation Download the demo applications from Embedded Artists support site The applications are distributed as zip files that can easily be imported into the LPCXpresso IDE Eclipse based Registration is needed before getting access to the support site The AOAA Board is delivered with a product serial key that must be registered to gain access To test the demo applications without compiling it is recommended to download and install Flash Magic http www flashmagictool com It is a PC tool for programming flash based microcontrollers from NXP over the UART This application can download pre compiled applications to the LPC1769 on the AOAA Board It is not really useful for program development and debugging Hardware The following hardware is needed to start working 1 2 4 Copyright 2012 Embedded Artists AB An AOAA kit AOAA Board USB cable and product
39. onics in general and with NXP s LPC1000 2000 3000 4000 microcontroller families in specific Our competence also includes wireless and wired communication for embedded systems For example IEEE802 11a b g n WLAN Bluetooth ZigBee ISM RF Ethernet CAN RS485 and Fieldbuses Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 2 6 2 OEM Education QuickStart Boards and Kits Visit Embedded Artists home page www EmbeddedArtists com for information about other OEM Education QuickStart boards kits or contact your local distributor Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 3 Demos 3 1 AOA Basic This demo shows how to send data in both directions between the AOAA Board and the Android device The AOAA Board has two buttons two RGB LEDs and a trimming potentiometer see Figure 3 The LEDs are controlled from an Android application that will also display the state of the button and the value of the trimming potentiometer Buttons and RGB LEDs ie Trimming Potentiometer we ox DRAN ES us rye Ye ray Na aaa 5 eRe 7 n ire wr SRLS a X nep Des 2 Zr D TT T par m P a at i n is See Papert 2 F 4 m 2 t T yee ngs B Inm mo pP hn Eee M E3 in ul SH i fie l i u i E c 73040 E oO a1 P I Powering of the board Figure 3 AOAA Board Basic Demo 3 1 1 Setup This setup uses the prebuilt version of
40. otocol between them and to create functionality that supports the application in the best way Android Device Protocol between Android device and Accessory USB is only transport layer Protocol is completely open for definition and can be adapted to specific requirements of the applications Android Accessory Device Figure 1 Basic Android Accessory Use Cases with Communication Protocol Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide There are three AOA demo applications that can be downloaded from the Embedded Artists support page The AOAA Board is not pre loaded with any of these demo applications The reason for this is that the applications are continuously updated and a pre loaded application would quickly become outdated This section gives an overview of the demos For more information about how to work with the demos please read chapter 3 The three AOA demo applications are 1 An application that allows controlling and monitoring the AOAA Board from an Android device e The idea behind this basic demo is to have a simple and clean implementation that is easy to understand both from the Android application point of view and the software running on the Accessory LPC1769 There is no fancy user interface on the Android side and not all peripherals on the AOAA Board are accessible This basic implementation is a good starting point for adding more functionality e T
41. roblems g Memory a Red Trace Preview JL 4 amp LH BH Em p ae rmn 5 El C Build demo aoa basic make clean P rm rf src AndroidAccessoryHost o src cr startup lpci7 0 src main o src AndroidAccessoryHost d src cr startup lpci7 d src main d demo aoa basic axf E Debug and Run E zu bs B Evtrse Y ie n ib demno xs baa demo aoa basic NXP LPC1769 Figure 25 LPCXpresso IDE Build Project 44 Debugging a Project in LPCXpresso Before attempting to debug the AOAA Board must be powered and the LPC Link should be connected via the 10 pos flat cable For instructions see sections 3 3 and 5 1 2 in the hardware user s manual To debug the demo application 1 Select the project to work with 2 Click Debug in the Quickstart Panel under Start Here When debugging a project make sure the AOAA Board is connected via LPC Link to the PC because the application will be downloaded to the board via LPC Link SWD debug interface Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Sele E EE File Edit Navigate Search Project Run Window Help ri aed TH ef ny v B TY Q v G v yor 2 Bg Welcome 53 N E gt Debug PRESSO S readme bt powered by dillcode red ES demo aoa can ES demo aoa xbee LPCXpresso4 is fully activated E FreeRTOS demo ut Lib AOA Welcome to LPCXpresso 4 The software is now fully activated and can be u
42. rocessors technologies instruction set architectures php 9 ARMv6 M Architecture Reference Manual Document identity DDI 0419B http infocenter arm com help index jsp topic com arm doc ddi0419b index html 10 Cortex MO Technical Reference Manual Revision r0p0 http infocenter arm com help index jsp topic com arm doc ddi0432c index html 11 FreeRTOS is an open source real time operating system used as part of the demo applications for the LPC1769 http www freertos org 12 nxpUSBlib is a full featured open source USB library designed to run on all USB capable LPC microcontrollers from NXP http www lpcware com content project nxpusblib 13 LPCXpresso IDE NXP s low cost development platform for LPC families which is an Eclipse based IDE http ics nxp com Ipcxpresso 14 LPCware is the NXP MCU community where a lot of information is posted about the processors http www lpcware com 15 Painless Threading Android Developer s Blog http android developers blogspot com 2009 05 painless threading html 16 Android Developers Processes and Threads http developer android com guide topics fundamentals processes and threads html 17 IwIP A Lightweight TCP IP stack http savannah nongnu org projects Iwip Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Note that there can be newer versions of the documents than the ones linked to here Always check for the latest infor
43. sed for production LPCXpresso can be used to Lib B d generate and download applications containing up to 128KB of code into an LPC target gt ib_Boar gt TES Lib CMSISv2p00 LPC17xx Getting Started gt ES Lib FatFs SD Please read the getting started guide for step by step instructions to build your first LPCXpresso project gt ES Lib FreeRTOS gt amp Lib Iwip gt S Lib MCU gt ES Iwip httpd LPCXpresso Resources LPCXpresso Getting Started Guide The Red State Guide provides information on using Red State state machine generator within LPCXpresso gt tS nxpUSBlib Check the LPCXpresso Support page for new LPCXpresso software releases more example projects and announcements W Quicks 93 E RedC Variab Break o BRI Visit www nxp com Ipcxpresso support LPCXpresso Forum Start here 5 The LPCXpresso Forum community is exclusively built for LPCXpresso users and is an invaluable resource for getting help and j New project advice on use of the LPCXpresso tools and boards 9 Import project s OS and io db Cree g community Build all projects Debug 2 Debug project bu can post visit www nxp com Ipcxpresso forum amp Build demo aoa basic Debug For information on upgrades etc visit the Code Red Technologies LPCXpresso website 3 Debug demo aoa basic Debug Visitthe Embedded Artists LPCXpresso website gu ugging the project with the selected
44. see reference 5 It is out of the scope of this document to describe how to install the SDK 2 Asthe demo applications are based on Android 2 3 4 API 10 an extra package is needed see reference 4 otart Eclipse in a new empty workspace Go to File gt Import gt General gt Existing Projects into Workspace and click Next Click Select archive file and then browse to the android apps oxx zip file Select which of the projects to import see Figure 20 Click Finish to import the projects When the projects are imported the code can be browsed see Figure 21 ier we i4 f Hr ue a The project is automatically compiled as soon as the project is loaded Import Projects Select a directory to search for existing Eclipse projects 1 Browse and select archived project file Select root directory Select archive file T Users andli Downloads android_apps 1202 i Pr D aS Demo AOA Basic Demo AOA Basic DEmo AOA Nodes Demo AOA Modes 2 Select wanted sub projects Copy projects into workspace Working sets Add project to working sets Working sets Select 3 Import project Figure 20 Import project into Eclipse Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide File Edit Run Source Navigate Search Project Refactor Window Help r3 ng us Bud 0O Q amp G Ov v 3sEm ES amp va M Y i v k e T ewe f Package Explorer HN fi MainActivity j
45. the AOA Basic application Android application that is stored on the Embedded Artists web site 1 Flash the demo_aoa_basic project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 2 Connect the Android device to the AOAA Board as shown in Figure 3 3 Follow the instructions on the display to download install the Android application This is explained in more detail in section 4 1 3 1 2 Alternative Setup The difference in this setup is that the AOA Basic application is built and transferred to the Android device instead of using the prebuilt version 1 Flash the demo_aoa_basic project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 Connect the Android device to a PC 3 Follow the instructions in section 4 2 to compile the AOA Basic Android application Run the Eclipse debugger to download the application on the Android device Stop the debugger and disconnect the Android device from the PC Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide 6 Connect the Android device to the AOAA Board as shown in Figure 3 3 1 3 Running the Demo The first thing that happens as the Android device is connected to the AOAA Board is that a dialog appears asking Open AOA Basic when this USB accessory is connected Answer OK to start the application The Application will look like Figure 4 below The buttons control the two RGB LEDs on the AOAA Board When t
46. urning the trimming potentiometer on the AOAA Board the TrimPot value which is 649 in Figure 4 will be updated Pressing and holding down the button s on the AOAA Board will change the text in the Android application from a 0 to a 1 Accessory Disconnected TrimPot Button 1 Button 2 00000 0 Accessory Connected Green Blue Green Green Blue Green The Android application detects when the USB cable is disconnected and changes the appearance to reflect this See Figure 5 3 2 AOA CAN The AOAA Board has two CAN interfaces one on the LPC1769 side and one on the LPC11C24 side and these are connected in a CAN network This demo shows how the AOAA board manages nodes in the CAN network and present information from the nodes to the Android device More CAN nodes can be connected to the network but then modification of the AOAA board is necessary mounting of connectors Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide CAN Node Connected to peeing Orig Android device board Figure 6 AOAA Board CAN Demo The CAN node has a light sensor a temperature sensor a button an RGB LED and a red LED All are accessed in this demo Note 1 As long as the CAN node is connected to the AOAA Board there is no way to test the plug and play functionality of the CAN bus The CAN node must be separated from the LPC1769 side and connectors mounted in order to test the plug and play functionality See Figur
47. way 3 3 1 oetup This setup is using an LPC1769 LPCXpresso mounted on an LPCXpresso Base Board An XBee module is mounted on the LPCXpresso Base Board The LPCXpresso Base Board must have the J7 jumpers positioned correctly as shown in Figure 13 Copyright 2012 Embedded Artists AB AOAA Kit Software User s Guide Figure 13 J7 Jumper Position for LPCXpresso Base Board 1 Flash the demo_aoa_xbee project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 2 Connect the LPCXpresso Base Board to the PC 3 Follow the instruction in section 4 3 but download and use the xpr_1 769_bb_xbee_node_xxxxxx zip file for the code 4 Connect the Android device to the AOAA Board as shown in Figure 12 5 Follow the instructions on the display to download install the Android application This is explained in more detail in section 4 1 3 3 2 Alternative Setup In this setup a second AOAA Board is used as an XBee node Please note that more than one node can be active simultaneously This means that if both the AOAA Board and the LPCXpresso Board acts as XBee nodes see Figure 12 two nodes will present in the list of nodes in the Android Application 1 Flash the demo_aoa_xbee project on the AOAA Board using the LPCXpresso IDE as explained in section 4 3 2 Connect the second AOAA Board to the PC 3 Flash the xbee_node project on the second AOAA Board using the LPCXpresso IDE as explained in section 4 3 4 Co
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