Code pulled together during a joint session at BarCamp London 9 on Arduino and Kinect

bcl9.pde

// Control a line of LED (connected to pins 8-11) via the serial port
// Sending a character '0', '1', '2' or '3' lights up one of the LEDs
// Note that for debugging the Arduino responds by sending 'A', 'B', 'C' or 'D' respectively
// Code pulled together during a joint session at BarCamp London 9 on Arduino and Kinect

void setup() {                
  pinMode(8, OUTPUT);     
  pinMode(9, OUTPUT);     
  pinMode(10, OUTPUT);     
  pinMode(11, OUTPUT); 
  Serial.begin(115200);
}

void loop() {
  int commandByte = 0 ;
  
  if(Serial.available() > 0) {
    // read the incoming byte:
    commandByte = Serial.read();
    switch(commandByte) {
      case'0':
        digitalWrite(8, HIGH);   // set the LED on
        digitalWrite(9, LOW);    // set the LED off
        digitalWrite(10, LOW);   // set the LED off
        digitalWrite(11, LOW);    // set the LED off
        Serial.println('A', BIN);break;
      case'1':
        digitalWrite(8, LOW);   // set the LED off
        digitalWrite(9, HIGH);    // set the LED on
        digitalWrite(10, LOW);   // set the LED off
        digitalWrite(11, LOW);    // set the LED off
        Serial.println('B', BIN);break;
      case'2':
        digitalWrite(8, LOW);   // set the LED off
        digitalWrite(9, LOW);    // set the LED off
        digitalWrite(10, HIGH);   // set the LED on
        digitalWrite(11, LOW);    // set the LED off
        Serial.println('C', BIN);break;
      case'3':
        digitalWrite(8, LOW);   // set the LED off
        digitalWrite(9, LOW);    // set the LED off
        digitalWrite(10, LOW);   // set the LED off
        digitalWrite(11, HIGH);    // set the LED on
        Serial.println('D', BIN);break;
    }
  }
}

bcl9.py

"""Sending Kinect commands to the Arduino via the serial port
Sends a character '0', '1', '2' or '3' to the Arduino depending on the height of the user's left hand
Code pulled together during a joint session at BarCamp London 9 on Arduino and Kinect
"""

import OSC
from OSC import *
import serial


# Need to change if running on a different box
port=r'\\.\COM15'
baud=115200

ser = serial.Serial(port, baud, timeout=0)

s = OSC.OSCServer(('127.0.0.1',7110))

s.addDefaultHandlers()

def printing_handler(addr, tags, stuff, source):
    """Does the actual handling of sending the command to the Arduino
    """
    
    msg_string = "%s [%s] %s" % (addr, tags, str(stuff))
    #sys.stdout.write("OSCServer Got: '%s' from %s\n" % (msg_string, getUrlStr(source)))
    if(stuff[0] == 'r_hand'):
        outval = '0'
        #sys.stdout.write("OSCServer Got: '%s' from %s\n" % (msg_string, getUrlStr(source)))
        height_val = stuff[3] # Usable numbers are from 0.2 (heightest) to 0.7 (lowest)
        height_val = height_val*5   
        if height_val > 4:
            outval = '3'
        elif height_val >3:
            outval = '2'
        elif height_val > 2:
            outval = '1'
        else:
            outval = '0'
        print "height_val: %s" % height_val
        ser.write(outval)

def user_handler(addr, tags, stuff, source):
    pass

def new_user_handler(addr, tags, stuff, source):
    print "New user: %s" % stuff

def new_skel_handler(addr, tags, stuff, source):
    pass

def lost_user_handler(addr, tags, stuff, source):
    print "Lost user"
    # XXX: for now this is to denote a fail-safe (but it will only work when it ignores non-calibrated users)
    #n.updateCommand(0.8)


s.addMsgHandler('/joint', printing_handler)
s.addMsgHandler('/user/1', user_handler)
s.addMsgHandler('/user/2', user_handler)
s.addMsgHandler('/user/3', user_handler)
s.addMsgHandler('/user/4', user_handler)
s.addMsgHandler('/user/5', user_handler)
s.addMsgHandler('/user/6', user_handler)
s.addMsgHandler('/user/7', user_handler)
s.addMsgHandler('/user/8', user_handler)
s.addMsgHandler('/user/9', user_handler)
s.addMsgHandler('/new_user', new_user_handler)
s.addMsgHandler('/new_skel', new_skel_handler)
s.addMsgHandler('/lost_user', lost_user_handler)

print "\nStarting OSCServer. Use ctrl-C to quit."
s.serve_forever()