Help with trying out Tom Igoe code

skyadrena..

Help with trying out Tom Igoe code

in Integration and Hardware • 1 year ago

Hi there,

I was trying out the code in this interview: http://wiki.processing.org/w/Tom_Igoe_Interview

Instead of potentiometers, I have a triple-axis accelerometer and triple-axis gyroscope feeding in six analog signals. So for all intents and purposes, the inputs are the same. They feed in through bluetooth, and I've verified many times that the signals are coming in properly by using Putty.

I basically copy/pasted his code into processing and clicked Run, and it worked great the first time! There were six signals streaming across the screen that changed shapes as I moved my device in mid-air. I was so excited.

After I stopped the program, it has never run again. Everytime I try it, I get one of two errors, or it the program will display a blank screen. I've tried different things, restarting my computer, reconnecting the bluetooth, etc etc. It just won't run.

Any ideas?

java.net.UnknownHostException: processing.org

at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:195)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)

at java.net.Socket.connect(Socket.java:529)

at java.net.Socket.connect(Socket.java:478)

at sun.net.NetworkClient.doConnect(NetworkClient.java:163)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)

at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)

at sun.net.www.http.HttpClient.New(HttpClient.java:306)

at sun.net.www.http.HttpClient.New(HttpClient.java:323)

at

sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:970)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:911)

at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:836)

at

sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1172)

at java.net.URL.openStream(URL.java:1010)

at processing.app.UpdateCheck.readInt(UpdateCheck.java:131)

at processing.app.UpdateCheck.updateCheck(UpdateCheck.java:93)

at processing.app.UpdateCheck$1.run(UpdateCheck.java:63)

at java.lang.Thread.run(Thread.java:662)

gnu.io.PortInUseException: Unknown Application

at gnu.io.CommPortIdentifier.open(CommPortIdentifier.java:354)

at processing.serial.Serial.<init>(Unknown Source)

at processing.serial.Serial.<init>(Unknown Source)

at broot_tomigoe.setup(broot_tomigoe.java:41)

at processing.core.PApplet.handleDraw(Unknown Source)

at processing.core.PApplet.run(Unknown Source)

at java.lang.Thread.run(Thread.java:662)

Exception in thread "Animation Thread" java.lang.RuntimeException: Error inside Serial.<init>()

at processing.serial.Serial.errorMessage(Unknown Source)

at processing.serial.Serial.<init>(Unknown Source)

at processing.serial.Serial.<init>(Unknown Source)

at broot_tomigoe.setup(broot_tomigoe.java:41)

at processing.core.PApplet.handleDraw(Unknown Source)

at processing.core.PApplet.run(Unknown Source)

at java.lang.Thread.run(Thread.java:662)

Appreciate any help.

Thanks,

Nate

Replies(3)

jbum

Re: Help with trying out Tom Igoe code

1 year ago

This line is very important. What are you seeing as a result of it? Try a sketch that does only this.

 println(Serial.list());

skyadrena..

Re: Help with trying out Tom Igoe code

1 year ago

Stable Library

=========================================

Native lib Version = RXTX-2.1-7

Java lib Version = RXTX-2.1-7

[0] "COM3"

[1] "COM4"

[2] "COM9"

[3] "COM10"

I am on COM4, and I made the change in Tom Igoe's code to this " String portName = Serial.list()[1];"

I added a line in the Serial Event function, println(inString); and it prints out the values from the six sensors. The graph itself just won't show up.

Also I should disclose I have a little button that sits on a breadboard, the values only stream from the Arduino when the button is toggled. Not sure if that affects the way the graph initializes, but the graph worked once before...

PhiLho

Re: Help with trying out Tom Igoe code

1 year ago

The first exception might be unrelated, I don't know, but it looks like Processing trying to see if there is an update on the Processing site and not able to reach it.

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