HelloWorld - Revision history

Searchworks: remove spam

2010-11-23T23:48:42Z

remove spam

Aqisecoxefi at 22:43, 23 November 2010

2010-11-23T22:43:06Z

JustinC474: /* C++ */

2010-08-06T21:31:06Z

‎C++

JustinC474: /* C */

2010-08-06T21:30:52Z

‎C

JustinC474 at 21:28, 27 July 2010

2010-07-27T21:28:02Z

JustinC474 at 17:51, 27 July 2010

2010-07-27T17:51:29Z

JustinC474 at 17:50, 27 July 2010

2010-07-27T17:50:07Z

JustinC474 at 17:33, 27 July 2010

2010-07-27T17:33:31Z

JustinC474 at 17:21, 27 July 2010

2010-07-27T17:21:58Z

JustinC474 at 17:18, 27 July 2010

2010-07-27T17:18:50Z

@@ Line 1: / Line 1: @@
 This page will provide sample code for writing, compiling, and running HelloWorld in Python and C++ on your Overo COM. To do this it will be assumed you have Console access to your Overo.
@@ Line 14: / Line 6: @@
 This command opens a text editor nano, which allows you to edit the text in files. In this specific case, it is opening the file HelloWorld.py. If this file has existed before, it would have opened the existing file. However, since it did not, nano opens a new text file with if saved, will be saved as HelloWorld.py.
 Write the following code in the file:
-  print &quot;Hello, Gumstix!&quot;
+  print "Hello, Gumstix!"
-To write the file (save it) press: &lt;br&gt;
+To write the file (save it) press: <br>
-Ctrl + O &lt;br&gt;
+Ctrl + O <br>
-Then to quit back to the command line, press: &lt;br&gt;
+Then to quit back to the command line, press: <br>
-Ctrl + X &lt;br&gt;
+Ctrl + X <br>
 And finally, issue this command to run the program:
   python HelloWorld.py
@@ Line 36: / Line 28: @@
   nano HelloWorld.cpp
 Once in the file, copy the following code to make HelloWorld in C++
-  #include &lt;iostream&gt;
+  #include <iostream>
   using namespace std;
   int main () {
-       cout &lt;&lt; &quot;Gumstix runs on C++&quot; &lt;&lt; endl;
+       cout << "Gumstix runs on C++" << endl;
        return 0;
+  }
-Then write the file and exit back to the command line with: &lt;br&gt;
+Then write the file and exit back to the command line with: <br>
 Ctrl + O
 Ctrl + X
@@ Line 51: / Line 43: @@
 Then, run the program using the command:
   ./HelloWorld
-This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: &lt;br&gt;
+This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: <br>
   Gumstix runs on C++
 Congratulations! You have successfully written your first C++ program on your Overo COM!
@@ Line 72: / Line 64: @@
   nano HelloWorld.c
 Once in the file, copy the following code to make HelloWorld in C
-  #include &lt;stdio.h&gt;
+  #include <stdio.h>
   int main () {
-  	printf(&quot;Gumstix runs on C\n&quot;);
+  	printf("Gumstix runs on C\n");
   	return 0;
+  }
-Then write the file and exit back to the command line with: &lt;br&gt;
+Then write the file and exit back to the command line with: <br>
 Ctrl + O
 Ctrl + X
@@ Line 86: / Line 78: @@
 Then, run the program using the command:
   ./HelloWorld
-This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: &lt;br&gt;
+This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: <br>
   Gumstix runs on C
 Congratulations! You have successfully written your first C program on your Overo COM!

@@ Line 1: / Line 1: @@
 This page will provide sample code for writing, compiling, and running HelloWorld in Python and C++ on your Overo COM. To do this it will be assumed you have Console access to your Overo.
@@ Line 6: / Line 14: @@
 This command opens a text editor nano, which allows you to edit the text in files. In this specific case, it is opening the file HelloWorld.py. If this file has existed before, it would have opened the existing file. However, since it did not, nano opens a new text file with if saved, will be saved as HelloWorld.py.
 Write the following code in the file:
-  print "Hello, Gumstix!"
+  print &quot;Hello, Gumstix!&quot;
-To write the file (save it) press: <br>
+To write the file (save it) press: &lt;br&gt;
-Ctrl + O <br>
+Ctrl + O &lt;br&gt;
-Then to quit back to the command line, press: <br>
+Then to quit back to the command line, press: &lt;br&gt;
-Ctrl + X <br>
+Ctrl + X &lt;br&gt;
 And finally, issue this command to run the program:
   python HelloWorld.py
@@ Line 28: / Line 36: @@
   nano HelloWorld.cpp
 Once in the file, copy the following code to make HelloWorld in C++
-  #include <iostream>
+  #include &lt;iostream&gt;
   using namespace std;
   int main () {
-       cout << "Gumstix runs on C++" << endl;
+       cout &lt;&lt; &quot;Gumstix runs on C++&quot; &lt;&lt; endl;
        return 0;
+  }
-Then write the file and exit back to the command line with: <br>
+Then write the file and exit back to the command line with: &lt;br&gt;
 Ctrl + O
 Ctrl + X
@@ Line 43: / Line 51: @@
 Then, run the program using the command:
   ./HelloWorld
-This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: <br>
+This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: &lt;br&gt;
   Gumstix runs on C++
 Congratulations! You have successfully written your first C++ program on your Overo COM!
@@ Line 64: / Line 72: @@
   nano HelloWorld.c
 Once in the file, copy the following code to make HelloWorld in C
-  #include <stdio.h>
+  #include &lt;stdio.h&gt;
   int main () {
-  	printf("Gumstix runs on C\n");
+  	printf(&quot;Gumstix runs on C\n&quot;);
   	return 0;
+  }
-Then write the file and exit back to the command line with: <br>
+Then write the file and exit back to the command line with: &lt;br&gt;
 Ctrl + O
 Ctrl + X
@@ Line 78: / Line 86: @@
 Then, run the program using the command:
   ./HelloWorld
-This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: <br>
+This tells the computer to execute a file named HelloWorld located in the current directory (./). The outputs should be: &lt;br&gt;
   Gumstix runs on C
 Congratulations! You have successfully written your first C program on your Overo COM!

@@ Line 19: / Line 19: @@
 ==C++==
 C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
   opkg update
   opkg install task-native-sdk

@@ Line 56: / Line 56: @@
 C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
   opkg update
   opkg install task-native-sdk

@@ Line 18: / Line 18: @@
 ==C++==
- C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
+C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
   echo 'src/gz angstrom-base http://www.angstromdistribution.org/feeds/unstable/ipk/glibc/armv7a/base'  > /etc/opkg/angstrom-base.conf
   opkg update
@@ Line 55: / Line 55: @@
 The rest is the same. Below is the exact same instructions, just modified for writing, compiling and executing a C file.
- C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
+C and C++ code requires compilation which can be done natively---on the Gumstix itself---or on a development machine using a cross-compiler. To do native compilation, you need to install a compiler as well as any required libraries. You'll need to be booting from a microSD card as this installation takes approximately 75MB of space.
   echo 'src/gz angstrom-base http://www.angstromdistribution.org/feeds/unstable/ipk/glibc/armv7a/base'  > /etc/opkg/angstrom-base.conf
   opkg update

@@ Line 13: / Line 13: @@
 And finally, issue this command to run the program:
   python HelloWorld.py
-The program should output: Hello Gumstix! in the command line. You may re-open HelloWorld.py using the nano command to change the outgoing text to whatever you would like.
+The program should output:
 ==C++==

← Older revision		Revision as of 17:21, 27 July 2010
Line 79:		Line 79:
	Gumstix runs on C		Gumstix runs on C
	Congratulations! You have successfully written your first C program on your Overo COM!		Congratulations! You have successfully written your first C program on your Overo COM!
−
−
−	~~[[Category:How_to]]~~

← Older revision		Revision as of 17:18, 27 July 2010
Line 79:		Line 79:
	Gumstix runs on C		Gumstix runs on C
	Congratulations! You have successfully written your first C program on your Overo COM!		Congratulations! You have successfully written your first C program on your Overo COM!
		+
		+
		+	[[Category:How_to]]