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POWhy doesn't the demokit program for the ADK compile in Arduino?
 

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  1. POWhy doesn't the demokit program for the ADK compile in Arduino?
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    <p>I have a pretty good understanding of Arduino and Java, and I decided to take a stab at trying to control my Arduino ATMega with my Samsung Galaxy 10.1 tab. I have installed API 12 with SDK manager, the ADT plugin for Eclipse, and now I am following the instructions from <em><a href="http://developer.android.com/guide/topics/usb/adk.html#installing">Installing the Arduino software and necessary libraries</a></em> (at <em>Android Open Accessory Development Kit</em>) to install the firmware for the ADK board. When I hit compile it gives me two errors:</p> <blockquote> <p>demokit:146: error: 'acc' was not declared in this scope</p> <p>demokit:249: error: 'touch_robot' was not declared in this scope</p> </blockquote> <p>and says</p> <blockquote> <p>'AndroidAccessory' does not name a type.</p> </blockquote> <p>The code looks like this:</p> <pre><code>#include &lt;Wire.h&gt; #include &lt;Servo.h&gt; #include &lt;Max3421e.h&gt; #include &lt;Usb.h&gt; #include &lt;AndroidAccessory.h&gt; #include &lt;CapSense.h&gt; #define LED3_RED 2 #define LED3_GREEN 4 #define LED3_BLUE 3 #define LED2_RED 5 #define LED2_GREEN 7 #define LED2_BLUE 6 #define LED1_RED 8 #define LED1_GREEN 10 #define LED1_BLUE 9 #define SERVO1 11 #define SERVO2 12 #define SERVO3 13 #define TOUCH_RECV 14 #define TOUCH_SEND 15 #define RELAY1 A0 #define RELAY2 A1 #define LIGHT_SENSOR A2 #define TEMP_SENSOR A3 #define BUTTON1 A6 #define BUTTON2 A7 #define BUTTON3 A8 #define JOY_SWITCH A9 // pulls line down when pressed #define JOY_nINT A10 // active low interrupt input #define JOY_nRESET A11 // active low reset output AndroidAccessory acc("Google, Inc.", "DemoKit", "DemoKit Arduino Board", "1.0", "http://www.android.com", "0000000012345678"); Servo servos[3]; // 10 Mohm resistor on demo shield CapSense touch_robot = CapSense(TOUCH_SEND, TOUCH_RECV); void setup(); void loop(); void init_buttons() { pinMode(BUTTON1, INPUT); pinMode(BUTTON2, INPUT); pinMode(BUTTON3, INPUT); pinMode(JOY_SWITCH, INPUT); // enable the internal pullups digitalWrite(BUTTON1, HIGH); digitalWrite(BUTTON2, HIGH); digitalWrite(BUTTON3, HIGH); digitalWrite(JOY_SWITCH, HIGH); } void init_relays() { pinMode(RELAY1, OUTPUT); pinMode(RELAY2, OUTPUT); } void init_LEDs() { digitalWrite(LED1_RED, 1); digitalWrite(LED1_GREEN, 1); digitalWrite(LED1_BLUE, 1); pinMode(LED1_RED, OUTPUT); pinMode(LED1_GREEN, OUTPUT); pinMode(LED1_BLUE, OUTPUT); digitalWrite(LED2_RED, 1); digitalWrite(LED2_GREEN, 1); digitalWrite(LED2_BLUE, 1); pinMode(LED2_RED, OUTPUT); pinMode(LED2_GREEN, OUTPUT); pinMode(LED2_BLUE, OUTPUT); digitalWrite(LED3_RED, 1); digitalWrite(LED3_GREEN, 1); digitalWrite(LED3_BLUE, 1); pinMode(LED3_RED, OUTPUT); pinMode(LED3_GREEN, OUTPUT); pinMode(LED3_BLUE, OUTPUT); } void init_joystick(int threshold); byte b1, b2, b3, b4, c; void setup() { Serial.begin(115200); Serial.print("\r\nStart"); init_LEDs(); init_relays(); init_buttons(); init_joystick( 5 ); // autocalibrate OFF touch_robot.set_CS_AutocaL_Millis(0xFFFFFFFF); servos[0].attach(SERVO1); servos[0].write(90); servos[1].attach(SERVO2); servos[1].write(90); servos[2].attach(SERVO3); servos[2].write(90); b1 = digitalRead(BUTTON1); b2 = digitalRead(BUTTON2); b3 = digitalRead(BUTTON3); b4 = digitalRead(JOY_SWITCH); 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 &gt; 0) { // assumes only one command per packet if (msg[0] == 0x2) { if (msg[1] == 0x0) analogWrite(LED1_RED, 255 - msg[2]); else if (msg[1] == 0x1) analogWrite(LED1_GREEN, 255 - msg[2]); else if (msg[1] == 0x2) analogWrite(LED1_BLUE, 255 - msg[2]); else if (msg[1] == 0x3) analogWrite(LED2_RED, 255 - msg[2]); else if (msg[1] == 0x4) analogWrite(LED2_GREEN, 255 - msg[2]); else if (msg[1] == 0x5) analogWrite(LED2_BLUE, 255 - msg[2]); else if (msg[1] == 0x6) analogWrite(LED3_RED, 255 - msg[2]); else if (msg[1] == 0x7) analogWrite(LED3_GREEN, 255 - msg[2]); else if (msg[1] == 0x8) analogWrite(LED3_BLUE, 255 - 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[1] == 0x12) servos[2].write(map(msg[2], 0, 255, 0, 180)); } else if (msg[0] == 0x3) { if (msg[1] == 0x0) digitalWrite(RELAY1, msg[2] ? HIGH : LOW); else if (msg[1] == 0x1) digitalWrite(RELAY2, 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; } b = digitalRead(BUTTON3); if (b != b3) { msg[1] = 2; msg[2] = b ? 0 : 1; acc.write(msg, 3); b3 = b; } b = digitalRead(JOY_SWITCH); if (b != b4) { msg[1] = 4; msg[2] = b ? 0 : 1; acc.write(msg, 3); b4 = b; } switch (count++ % 0x10) { case 0: val = analogRead(TEMP_SENSOR); msg[0] = 0x4; msg[1] = val &gt;&gt; 8; msg[2] = val &amp; 0xff; acc.write(msg, 3); break; case 0x4: val = analogRead(LIGHT_SENSOR); msg[0] = 0x5; msg[1] = val &gt;&gt; 8; msg[2] = val &amp; 0xff; acc.write(msg, 3); break; case 0x8: read_joystick(&amp;x, &amp;y); msg[0] = 0x6; msg[1] = constrain(x, -128, 127); msg[2] = constrain(y, -128, 127); acc.write(msg, 3); break; case 0xc: touchcount = touch_robot.capSense(5); c0 = touchcount &gt; 750; if (c0 != c) { msg[0] = 0x1; msg[1] = 3; msg[2] = c0; acc.write(msg, 3); c = c0; } break; } } else { // reset outputs to default values on disconnect analogWrite(LED1_RED, 255); analogWrite(LED1_GREEN, 255); analogWrite(LED1_BLUE, 255); analogWrite(LED2_RED, 255); analogWrite(LED2_GREEN, 255); analogWrite(LED2_BLUE, 255); analogWrite(LED3_RED, 255); analogWrite(LED3_GREEN, 255); analogWrite(LED3_BLUE, 255); servos[0].write(90); servos[0].write(90); servos[0].write(90); digitalWrite(RELAY1, LOW); digitalWrite(RELAY2, LOW); } delay(10); } // ============================================================================== // Austria Microsystems i2c Joystick void init_joystick(int threshold) { byte status = 0; pinMode(JOY_SWITCH, INPUT); digitalWrite(JOY_SWITCH, HIGH); pinMode(JOY_nINT, INPUT); digitalWrite(JOY_nINT, HIGH); pinMode(JOY_nRESET, OUTPUT); digitalWrite(JOY_nRESET, 1); delay(1); digitalWrite(JOY_nRESET, 0); delay(1); digitalWrite(JOY_nRESET, 1); Wire.begin(); do { status = read_joy_reg(0x0f); } while ((status &amp; 0xf0) != 0xf0); // invert magnet polarity setting, per datasheet write_joy_reg(0x2e, 0x86); calibrate_joystick(threshold); } int offset_X, offset_Y; void calibrate_joystick(int dz) { char iii; int x_cal = 0; int y_cal = 0; // Low Power Mode, 20ms auto wakeup // INTn output enabled // INTn active after each measurement // Normal (non-Reset) mode write_joy_reg(0x0f, 0x00); delay(1); // dummy read of Y_reg to reset interrupt read_joy_reg(0x11); for(iii = 0; iii != 16; iii++) { while(!joystick_interrupt()) {} x_cal += read_joy_reg(0x10); y_cal += read_joy_reg(0x11); } // Divide by 16 to get average offset_X = -(x_cal&gt;&gt;4); offset_Y = -(y_cal&gt;&gt;4); write_joy_reg(0x12, dz - offset_X); // Xp, LEFT threshold for INTn write_joy_reg(0x13, -dz - offset_X); // Xn, RIGHT threshold for INTn write_joy_reg(0x14, dz - offset_Y); // Yp, UP threshold for INTn write_joy_reg(0x15, -dz - offset_Y); // Yn, DOWN threshold for INTn // Dead zone threshold detect requested? if (dz) write_joy_reg(0x0f, 0x04); } void read_joystick(int *x, int *y) { *x = read_joy_reg(0x10) + offset_X; *y = read_joy_reg(0x11) + offset_Y; // reading Y clears the interrupt } char joystick_interrupt() { return digitalRead(JOY_nINT) == 0; } #define JOY_I2C_ADDR 0x40 char read_joy_reg(char reg_addr) { char c; Wire.beginTransmission(JOY_I2C_ADDR); Wire.send(reg_addr); Wire.endTransmission(); Wire.requestFrom(JOY_I2C_ADDR, 1); while(Wire.available()) c = Wire.receive(); return c; } void write_joy_reg(char reg_addr, char val) { Wire.beginTransmission(JOY_I2C_ADDR); Wire.send(reg_addr); Wire.send(val); Wire.endTransmission(); } </code></pre> <p>By the way, I even tried to copy the ADK_relsease_0512 folder in my arduino directory at that still didn't work. Thanks in advance!</p>
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