Android Developer http://devel.androidsith.comTumblr (3.0; @hpsaturn)http://hpsaturn.com/<h2>Description:</h2> <p>Android ADK is the official Google implementation to join the worlds of Android and Arduino. This quick guide explains how to do it with USB Host Shield for Arduino (<b>WARNING: Beta release of this document!</b>).</p> <div align="center"><iframe width="420" height="315" src="http://www.youtube.com/embed/LXOrH24mHNM" frameborder="0" allowfullscreen></iframe></div> <h2>Android requirements:</h2> <br/><h3>ROM</h3> <ul><li>For any Android, you must have an Android rom either 2.3.4 or higher or Android 3.1.</li> <li>For HTC G1 install the ROM: <a href="http://forum.xda-developers.com/showthread.php?t=882356">EzGingerbread</a> </li> </ul><h3>SDK</h3> <ul><li>Install and configure Android SDK (<a href="http://developer.android.com/sdk/installing.html">Complete guide</a>)</li> <li><a href="https://dl-ssl.google.com/android/adk/adk_release_0512.zip">Download</a> the project and libraries to the SDK</li> <script type="syntaxhighlighter" class="brush: bash"><![CDATA[ mkdir ~/android_adk cd ~/android_adk mv ~/download/adk_release_0512.zip . unzip adk_release_0512.zip cp -r ADK_release_0512/app ~/workspace/DemoKit ]]></script><li>Import the project DemoKit on Eclipse</li> </ul><br/><h2>Arduino requirements</h2> <ul><li>Install Arduino software (<a href="http://arduino.cc/en/Guide/HomePage">complete guide</a>)</li> <li>Download USB Host Shield <a href="https://github.com/felis/USB_Host_Shield/tree/dev">firmware</a> or clone this and include library in Arduino:</li> <script type="syntaxhighlighter" class="brush: bash"><![CDATA[ cd /opt/arduino/libraries git clone https://github.com/felis/USB_Host_Shield.git ]]></script><li>include AndroidAccessory firmware in Arduino:</li> <script type="syntaxhighlighter" class="brush: bash"><![CDATA[ cd ~/android_adk cp -r ADK_release_0512/firmware/arduino_libs/AndroidAccessory /opt/arduino/libraries/ ]]></script></ul><br/><h2>Arduino Code</h2> <br/><p>Create a new Arduino project and include this code. Compile it and send it to your Arduino with USB Host installed</p> <script type="syntaxhighlighter" class="brush: java"><![CDATA[ #include <Max3421e.h> #include <Usb.h> #include <AndroidAccessory.h> #include <Wire.h> #include <Servo.h> #define LED1_RED 5 #define LED1_GREEN 3 #define LED1_BLUE 6 #define SERVO1 2 #define SERVO2 4 #define RELAY1 A2 #define LIGHT_SENSOR A0 #define TEMP_SENSOR A1 #define BUTTON1 7 #define BUTTON2 8 AndroidAccessory acc("Google, Inc.", "DemoKit", "DemoKit Arduino Board", "1.0", "http://www.android.com", "0000000012345678"); Servo servos[2]; void setup(); void loop(); void init_buttons(){ pinMode(BUTTON1, INPUT); pinMode(BUTTON2, INPUT); // enable the internal pullups digitalWrite(BUTTON1, HIGH); digitalWrite(BUTTON2, HIGH); } void init_relays(){ pinMode(RELAY1, OUTPUT); } void init_leds(){ pinMode(LED1_RED, OUTPUT); pinMode(LED1_GREEN, OUTPUT); pinMode(LED1_BLUE, OUTPUT); analogWrite(LED1_RED, 0); analogWrite(LED1_GREEN, 0); analogWrite(LED1_BLUE, 0); } byte b1, b2, c; void setup(){ Serial.begin(115200); Serial.print("\r\nStart"); init_leds(); init_relays(); init_buttons(); servos[0].attach(SERVO1); servos[0].write(90); servos[1].attach(SERVO2); servos[1].write(90); b1 = digitalRead(BUTTON1); b2 = digitalRead(BUTTON2); c = 0; acc.powerOn(); } void loop(){ byte err; byte idle; static byte count = 0; byte msg[3]; long touchcount; if (acc.isConnected()) { int len = acc.read(msg, sizeof(msg), 1); int i; byte b; uint16_t val; int x, y; char c0; if (len > 0) { // assumes only one command per packet if (msg[0] == 0x2) { if (msg[1] == 0x0) analogWrite(LED1_RED, msg[2]); else if (msg[1] == 0x1) analogWrite(LED1_GREEN, msg[2]); else if (msg[1] == 0x2) analogWrite(LED1_BLUE, msg[2]); else if (msg[1] == 0x10) servos[0].write(map(msg[2], 0, 255, 0, 180)); else if (msg[1] == 0x11) servos[1].write(map(msg[2], 0, 255, 0, 180)); } else if (msg[0] == 0x3) { if (msg[1] == 0x0) digitalWrite(RELAY1, msg[2] ? HIGH : LOW); } } msg[0] = 0x1; b = digitalRead(BUTTON1); if (b != b1) { msg[1] = 0; msg[2] = b ? 0 : 1; acc.write(msg, 3); b1 = b; } b = digitalRead(BUTTON2); if (b != b2) { msg[1] = 1; msg[2] = b ? 0 : 1; acc.write(msg, 3); b2 = b; } switch (count++ % 0x10) { case 0: val = analogRead(TEMP_SENSOR); msg[0] = 0x4; msg[1] = val >> 8; msg[2] = val & 0xff; acc.write(msg, 3); break; case 0x4: val = analogRead(LIGHT_SENSOR); msg[0] = 0x5; msg[1] = val >> 8; msg[2] = val & 0xff; acc.write(msg, 3); break; } } else { // reset outputs to default values on disconnect analogWrite(LED1_RED, 255); analogWrite(LED1_GREEN, 255); analogWrite(LED1_BLUE, 255); servos[0].write(90); servos[1].write(90); digitalWrite(RELAY1, LOW); } delay(10); } ]]></script><h4>Additional links</h4> <ul><li><a href="http://www.circuitsathome.com/products-page/arduino-shields/usb-host-shield-2-0-for-arduino/">Circuit@Home</a> (USB Host Shield) </li><li><a href="http://wiki.cyanogenmod.com/wiki/HTC_Dream:_Rooting">How to root HTC G1</a></li> <li>Video: <a href="http://youtu.be/LXOrH24mHNM">Android ADK in a HTC G1</a></li> </ul>http://hpsaturn.com/post/11980594986http://hpsaturn.com/post/11980594986Wed, 26 Oct 2011 23:25:00 -0500androidarduinoADKSDKUSBHOSTShieldElectronicsJava<iframe width="400" height="328" src="http://www.youtube.com/embed/LXOrH24mHNM?wmode=transparent&autohide=1&egm=0&hd=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0" frameborder="0" allowfullscreen></iframe><br/><br/><p>Port of the ADK (Android Open Accessory Development Kit) in G1</p> <p>Author: @hpsaturn</p> <p>More info:</p> <p><a href="http://bit.ly/qwysxW">http://bit.ly/qwysxW</a> (GitHub code) <a href="http://developer.android.com/guide/topics/usb/adk.html">http://developer.android.com/guide/topics/usb/adk.html</a> (ADK Android Developers) <a href="http://forum.xda-developers.com/showthread.php?t=882356">http://forum.xda-developers.com/showthread.php?t=882356</a> (XDA implementation)</p> <p>Thanks to @xdaterry</p>http://hpsaturn.com/post/9507891569http://hpsaturn.com/post/9507891569Sun, 28 Aug 2011 12:43:16 -0500AndroidHTCADKG1AccessoryArduinoROMCyanogenModGingerbreadhostUSB