Gctrl: Difference between revisions

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Gctrl is a GUI (Graphical User Interface) program for use with GRBL. Gctrl is code that is meant to run on the software called "Processing". Gctrl provides control options for jogging and sending gcode.
Gctrl is a GUI (Graphical User Interface) program for use with GRBL. Gctrl is code that is meant to run on the software called "Processing". Gctrl provides control options for jogging and sending gcode.


[https://github.com/damellis/gctrl Gctrl] '''You can get Gctrl by going to this link and downloading the zip file, then extracting its contents to a folder of your choosing'''
=Requirements=


=How to Get Gctrl on Linux=
[http://opensourceecology.org/wiki/Processing Processing]


*Open Terminal and type:
=How to Get Gctrl=


git clone https://github.com/damellis/gctrl.git gctrl
[https://github.com/damellis/gctrl Gctrl]


[[Image: gctrl.png]]
'''You can get Gctrl by going to the link and downloading the zip file (by clicking "ZIP"), then extracting its contents to a folder of your choosing'''


=Modify Gctrl code for Easier Connection with Arduino on Linux=
*'''Archived Gctrl File: [[File: gctrl.pde]]
 
=How to Run Gctrl=
 
*Navigate to the Processing folder
 
[[Image: ProcessingFolder.png]]
 
*'''Open Processing by double-clicking on the Processing executable.'''
 
[[Image: RunProcessing.png]]
 
*'''In Processing, go to File>Open, then navigate to the folder that contains gctrl.pde, then select that file. Processing should now open another window with the gctrl code.'''
 
[[Image: OpenGctrl.png]]
 
*In Processing, click "Run"
 
[[Image: RunGctrl.png]]
 
*Now the Gctrl GUI window should pop up
 
[[Image: GctrlGUI.png]]
 
*Note: For certain functions of gctrl, press and hold down the key for the popup windows to populate.
 
=Modify Gctrl code for Windows ports=


*Open the Gctrl folder
*Open the Gctrl folder


[[Image: gctrlfolder.png]]
*Edit the Gctrl code as follows:


*Open gctrl.pde in gedit
// select and modify the appropriate line for your operating system


*Change a part of the code as annotated in the following:
// leave as null to use interactive port (press 'p' in the program)


Serial port = null; //change starts
//String portname = null;


String portname = "/dev/ttyACM0"; // Linux, Arduino Uno
//String portname = Serial.list()[0]; // Mac OS X


//change ends
//String portname = "/dev/ttyUSB0"; // Linux


boolean streaming = false;
String portname = "COM6"; // Windows


[[Image: gctrlnewcode.png]]
=Modify Gctrl code for Linux ports=


=How to Run Gctrl=
*Open the Gctrl folder


*Navigate to the Processing folder
[[Image: gctrlfolder.png]]


[[Image: ProcessingFolder.png]]
*Open gctrl.pde in gedit


*Open and run Processing, setting the sketchbook folder as the folder in which the gctrl folder exists
*Change a part of the code as annotated in the following:


[[Image: RunProcessing.png]]
Serial port = null; //change starts


*In Processing, open gctrl using File>Sketchbook>
String portname = "/dev/ttyACM0"; // Linux, Arduino Uno


[[Image: OpenGctrl.png]]
//change ends


*Connect the Arduino Uno to the computer via USB cable
boolean streaming = false;


*In Processing, run gctrl using Sketch>Run
[[Image: gctrlnewcode.png]]
 
[[Image: RunGctrl.png]]


*Now the Gctrl GUI window should pop up
=Problems and Solutions=


[[Image: GctrlGUI.png]]
Problem: java.lang.NullPointerException


*Note: For certain functions of gctrl, press and hold down the key for the popup windows to populate.
Solution:

Latest revision as of 01:03, 13 November 2012

What is Gctrl

Gctrl is a GUI (Graphical User Interface) program for use with GRBL. Gctrl is code that is meant to run on the software called "Processing". Gctrl provides control options for jogging and sending gcode.

Requirements

Processing

How to Get Gctrl

Gctrl

You can get Gctrl by going to the link and downloading the zip file (by clicking "ZIP"), then extracting its contents to a folder of your choosing

How to Run Gctrl

  • Navigate to the Processing folder

ProcessingFolder.png

  • Open Processing by double-clicking on the Processing executable.

RunProcessing.png

  • In Processing, go to File>Open, then navigate to the folder that contains gctrl.pde, then select that file. Processing should now open another window with the gctrl code.

OpenGctrl.png

  • In Processing, click "Run"

RunGctrl.png

  • Now the Gctrl GUI window should pop up

GctrlGUI.png

  • Note: For certain functions of gctrl, press and hold down the key for the popup windows to populate.

Modify Gctrl code for Windows ports

  • Open the Gctrl folder
  • Edit the Gctrl code as follows:

// select and modify the appropriate line for your operating system

// leave as null to use interactive port (press 'p' in the program)

//String portname = null;

//String portname = Serial.list()[0]; // Mac OS X

//String portname = "/dev/ttyUSB0"; // Linux

String portname = "COM6"; // Windows

Modify Gctrl code for Linux ports

  • Open the Gctrl folder

Gctrlfolder.png

  • Open gctrl.pde in gedit
  • Change a part of the code as annotated in the following:

Serial port = null; //change starts

String portname = "/dev/ttyACM0"; // Linux, Arduino Uno

//change ends

boolean streaming = false;

Gctrlnewcode.png

Problems and Solutions

Problem: java.lang.NullPointerException

Solution:

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