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-rw-r--r--demokit/demokit.pde405
1 files changed, 0 insertions, 405 deletions
diff --git a/demokit/demokit.pde b/demokit/demokit.pde
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index 5a4d29a..0000000
--- a/demokit/demokit.pde
+++ /dev/null
@@ -1,405 +0,0 @@
-#include <Wire.h>
-#include <Servo.h>
-
-#include <Max3421e.h>
-#include <Usb.h>
-#include <AndroidAccessory.h>
-
-#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 14
-
-#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];
-
-void setup();
-void loop();
-
-void init_buttons()
-{
- pinMode( BUTTON1, INPUT );
- pinMode( BUTTON2, INPUT );
- pinMode( BUTTON3, INPUT );
-
- digitalWrite( BUTTON1, HIGH ); // enable the internal pullups
- digitalWrite( BUTTON2, HIGH );
- digitalWrite( BUTTON3, 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, c;
-void setup()
-{
- Serial.begin( 115200 );
- Serial.print("\r\nStart");
-
- init_leds();
- init_relays();
- init_buttons();
- init_joystick( 5 ); // initialize with thresholding enabled, dead zone of 5 units
-
-
- 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);
- c = captouched();
-
- acc.powerOn();
-}
-
-void loop()
-{
- byte err;
- byte idle;
- static byte count = 0;
- byte msg[3];
-
- 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) {
- // XXX: assumes only one command per packet
- Serial.print(msg[0], HEX);
- Serial.print(":");
- Serial.print(msg[1], HEX);
- Serial.print(":");
- Serial.println(msg[2], HEX);
- 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;
- }
-
- 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;
-
- case 0x8:
- read_joystick(&x, &y);
- msg[0] = 0x6;
- msg[1] = constrain(x, -128, 127);
- msg[2] = constrain(y, -128, 127);
- acc.write(msg, 3);
- break;
-
-#if 0
- /* captoutched needs to be asynchonous */
- case 0xc:
- c0 = captouched();
- if (c0 != c) {
- msg[0] = 0x1;
- msg[1] = 3;
- msg[2] = c0 ? 0 : 1;
- acc.write(msg, 3);
- c = c0;
- }
- break;
-#endif
- }
- }
-
- delay(10);
-}
-
-// ==============================================================================
-// Austria Microsystems i2c Joystick
-
-/*
- If a threshold is provided, the dead zone will be programmed such that interrupts will not
- be generated unless the threshold is exceeded.
-
- Note that if you use that mode, you will have to use passage of time with no new interrupts
- to detect that the stick has been released and has returned to center.
-
- If you need to explicitly track return to center, pass 0 as the threshold. "Center" will
- still bounce around a little
-*/
-
-
-void init_joystick( int threshold )
-{
- byte status = 0;
-
- pinMode( JOY_SWITCH, INPUT );
- digitalWrite( JOY_SWITCH, HIGH ); // enable the internal pullup
-
- pinMode( JOY_nINT, INPUT );
- digitalWrite( JOY_nINT, HIGH ); // enable the internal pullup
-
- 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 ); // XXX need timeout
- } while ((status & 0xf0) != 0xf0);
-
- write_joy_reg( 0x2e, 0x86 ); // invert magnet polarity setting, per datasheet
-
- calibrate_joystick( threshold ); // calibrate & set up dead zone area
-}
-
-
-int offset_X, offset_Y;
-
-void calibrate_joystick( int dz )
-{
- char iii;
- int x_cal = 0;
- int y_cal = 0;
-
- write_joy_reg( 0x0f, 0x00 ); // Low Power Mode, 20ms auto wakeup
- // INTn output enabled
- // INTn active after each measurement
- // Normal (non-Reset) mode
- delay(1);
-
- read_joy_reg( 0x11 ); // dummy read of Y_reg to reset interrupt
-
- for( iii = 0; iii != 16; iii++ ) { // read coords 16 times & average
- while( !joystick_interrupt() ) // poll for interrupt
- ;
- x_cal += read_joy_reg( 0x10 ); // X pos
- y_cal += read_joy_reg( 0x11 ); // Y pos
- }
-
- offset_X = -(x_cal>>4); // divide by 16 to get average
- offset_Y = -(y_cal>>4);
-
- //sprintf(msgbuf, "offsets = %d, %d\n", offset_X, offset_Y);
- //Serial.print(msgbuf);
-
- 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
-
- if ( dz ) // dead zone threshold detect requested?
- write_joy_reg( 0x0f, 0x04 ); // Low Power Mode, 20ms auto wakeup
- // INTn output enabled
- // INTn active when movement exceeds dead zone
- // Normal (non-Reset) mode
-}
-
-
-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();
-}
-
-/* Capacitive touch technique from Mario Becker, Fraunhofer IGD, 2007 http://www.igd.fhg.de/igd-a4 */
-
-char captouched()
-{
- char iii, jjj, retval;
-
- retval = 0;
-
- for( jjj = 0; jjj != 10; jjj++ ) {
- delay( 10 );
-
- pinMode( TOUCH, INPUT );
- digitalWrite( TOUCH, HIGH );
-
- for ( iii = 0; iii < 16; iii++ )
- if( digitalRead( TOUCH ) )
- break;
-
- digitalWrite( TOUCH, LOW );
- pinMode( TOUCH, OUTPUT );
-
- retval += iii;
- }
-
- return retval;
-}
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