Creating Content Library applications - Revision history

Geo650: /* Example #1 - very simple application */

2011-11-10T17:17:39Z

‎Example #1 - very simple application

Geo650: /* Example #1 - very simple application */

2011-11-10T17:14:30Z

‎Example #1 - very simple application

Geo650: /* Example #1 - very simple application */

2011-11-10T11:10:56Z

‎Example #1 - very simple application

Geo650: /* Example #1 - very simple application */

2011-11-10T11:08:24Z

‎Example #1 - very simple application

Geo650: /* Example #1 - very simple application */

2011-11-10T10:55:07Z

‎Example #1 - very simple application

Geo650: /* Creating a simple application */

2011-11-10T10:31:29Z

‎Creating a simple application

Geo650: /* Creating a simple application */

2011-11-10T10:29:37Z

‎Creating a simple application

Geo650: /* Preparing compiling toolchain environment */

2011-11-10T09:59:04Z

‎Preparing compiling toolchain environment

Geo650: /* Preparing compiling toolchain environment */

2011-11-06T03:46:28Z

‎Preparing compiling toolchain environment

Geo650: /* Introduction */

2011-11-06T03:38:55Z

‎Introduction

@@ Line 183: / Line 183: @@
   [[File:HelloWorld1.png]]
-Our application is now ready to run. Copy the whole '''HelloWorld1''' subfolder to a pendrive, then connect this pendrive to your TV. Call Content Library and execute our new "Game" called "Hello World 1". All you will see is a second of blackness. It means that our application has been executed and returned immediately. So check if there is '''/mtd_ram/HelloWorld1_was_here''' file present there by using telnet of FTP session. It should exist.
+Our application is now ready to run. Copy the whole '''HelloWorld1''' subdirectory (located inside '''HelloWorld1/pendrive''' directory) to a pendrive, then connect this pendrive to your TV. Call Content Library and execute our new "Game" called "Hello World 1". All you will see is a second of blackness. It means that our application has been executed and returned immediately. So check if there is '''/mtd_ram/HelloWorld1_was_here''' file present there by using telnet of FTP session. It should exist.
 == Example #2 - using SDL and remote control buttons ==

@@ Line 137: / Line 137: @@
   MODULENAME="helloworld1"
-  # compilation parameters:
+  # compiler/linker parameters:
   CC=arm-SamyGO-linux-gnueabi-gcc
   CFLAGS="-O2 -Wall"
@@ Line 166: / Line 166: @@
-Make this script executeble by command:
+Make this script executable by command:
   chmod u+x make.sh

@@ Line 181: / Line 181: @@
 It means that the script created binary file ('''helloworld1.so''') and '''clmeta.dat''' file as well. There is one file missing in pendrive/Helloworld1 subdirectory. Do you know which? Yes - a bitmap. You must create a logo file ('''HelloWorld1.png''') and place beside '''clmeta.dat''' file. Or you can use this ready-made picture:
-[[File:HelloWorld1.png]]
+ [[File:HelloWorld1.png]]
 == Example #2 - using SDL and remote control buttons ==

← Older revision		Revision as of 11:08, 10 November 2011
Line 179:		Line 179:
	-rwxr-xr-x 1 user user 3159 2011-11-10 11:41 pendrive/HelloWorld1/helloworld1.so		-rwxr-xr-x 1 user user 3159 2011-11-10 11:41 pendrive/HelloWorld1/helloworld1.so

−	It means that the script created binary file ('''helloworld1.so''') and clmeta.dat file as well. There is one file missing in pendrive/Helloworld1 subdirectory. Do you know which? Yes - a bitmap. You must create a logo file (HelloWorld1.png) and place beside '''clmeta.dat''' file. Or you can use this ready-made picture:	+	It means that the script created binary file ('''helloworld1.so''') and '''clmeta.dat''' file as well. There is one file missing in pendrive/Helloworld1 subdirectory. Do you know which? Yes - a bitmap. You must create a logo file ('''HelloWorld1.png''') and place beside '''clmeta.dat''' file. Or you can use this ready-made picture:

		+	[[File:HelloWorld1.png]]
		+
		+	Our application is now ready to run. Copy the whole HelloWorld1 subfolder to a pendrive, then connect this pendrive to your TV. Call Content Library and execute our new "Game" called "Hello World 1". All you will see is a second of blackness. It means that our application has been executed and returned immediately. So check if there is '''/mtd_ram/HelloWorld1_was_here''' file present there by using telnet of FTP session. It should exist.
		+
		+
		+	== Example #2 - using SDL and remote control buttons ==
		+
		+	Now we are going to create an application which will display a bitmap after pressing a button. This is a very different application than example #1 because it must stay resident in memory and wait for user's action. There is also one more challenge: it is going to use SDL (Simple Direct Layer) do draw on the screen. Using these techniques you can make many useful applications.
		+
		+	Again, let's create a subdirectory for this new project
		+
		+	mkdir HelloWorld2
		+	cd HelloWorld2

@@ Line 132: / Line 132: @@
 Now, let's make binary file which could be executed in Content Library. Create a script ('''make.sh''') with such commands:
   APPNAME="HelloWorld1"
   MODULENAME="helloworld1"
   CC=arm-SamyGO-linux-gnueabi-gcc
   CFLAGS="-O2 -Wall"
   LDFLAGS="-s -shared -Wl"
   echo "Compiling..."
@@ Line 144: / Line 148: @@
   $CC $CFLAGS -c $MODULENAME.c -o $MODULENAME.o
   $CC $LDFLAGS -o pendrive/$APPNAME/$MODULENAME.so $MODULENAME.o
   rm ./*.o
-  echo "Compiled file:"
+  echo "Application files:"
-  ls -l pendrive/$APPNAME/$MODULENAME.so
+  ls -l pendrive/$APPNAME/*
@@ Line 158: / Line 174: @@
 You'll see such text output:
   Compiling...
-  Compiled file:
+  Creating clmeta.dat...
-  -rwxr-xr-x 1 user user 3159 2011-11-10 11:23 pendrive/HelloWorld1/helloworld1.so
+ Application files:

@@ Line 105: / Line 105: @@
-== Creating a simple application ==
+== Example #1 - very simple application ==
-First, create '''HelloWorld''' subdirectory for our new application. Then go inside:
+First, create '''HelloWorld1''' subdirectory for our new application. Then go inside:
-  mkdir HelloWorld
+  mkdir HelloWorld1
-  cd HelloWorld
+  cd HelloWorld1
-Create new text file - '''helloworld.c''' - for example by using gedit text editor:
+Create new text file - '''helloworld1.c''' - for example by using gedit text editor:
-  gedit helloworld.c &
+  gedit helloworld1.c &
 then write and save such simple contents:
-  // HelloWorld - example application #1
+  // HelloWorld1 - example application #1
   #include <stdlib.h>
@@ Line 123: / Line 123: @@
   int Game_Main(const char *path, const char *udn __attribute__ ((unused)))
+  {
-     system("touch /mtd_ram/HelloWorld_was_here");
+     system("touch /mtd_ram/HelloWorld1_was_here");
      return 0;
+  }
-This application creates an empty file called '''HelloWorld_was_here''' in '''/mtd_ram''' directory when called. It does nothing more. Note '''Game_Main()''' function is the main function for a Content Library application. It's first attribute ('''path''') contains a full path to that application and can be used later. There is no main() function here.
+This application creates an empty file called '''HelloWorld1_was_here''' in '''/mtd_ram''' directory when called. It does nothing more. Note '''Game_Main()''' function is the main function for a Content Library application. It's first attribute ('''path''') contains a full path to that application and can be used later. There is no main() function here.
 Now, let's make binary file which could be executed in Content Library. Create a script ('''make.sh''') with such commands:
-  APPNAME="HelloWorld"
+  APPNAME="HelloWorld1"
-  MODULENAME="helloworld"
+  MODULENAME="helloworld1"
   CC=arm-SamyGO-linux-gnueabi-gcc
@@ Line 159: / Line 159: @@
   Compiling...
   Compiled file:
-  -rwxr-xr-x 1 user user 3159 2011-11-10 11:23 pendrive/HelloWorld/helloworld.so
+  -rwxr-xr-x 1 user user 3159 2011-11-10 11:23 pendrive/HelloWorld1/helloworld1.so

← Older revision		Revision as of 10:29, 10 November 2011
Line 106:		Line 106:

	== Creating a simple application ==		== Creating a simple application ==
		+
		+	First, create '''HelloWorld''' subdirectory for our new application. Then go inside:
		+	mkdir HelloWorld
		+	cd HelloWorld
		+
		+	Create new text file - '''helloworld.c''' - for example by using gedit text editor:
		+	gedit helloworld.c &
		+
		+	then write and save such simple contents:
		+
		+	// HelloWorld - example application #1
		+
		+	#include <stdlib.h>
		+
		+	// main function
		+	int Game_Main(const char path, const char udn __attribute__ ((unused)))
		+	{
		+	system("touch /mtd_ram/HelloWorld_was_here");
		+
		+	return 0;
		+	}
		+
		+	This application creates an empty file called '''HelloWorld_was_here''' in '''/mtd_ram''' directory when called. It does nothing more. Note '''Game_Main()''' function is the main function for a Content Library application. It's first attribute ('''path''') contains a full path to that application and can be used later. There is no main() function here.
		+
		+	Now, let's make binary file which could be executed in Content Library. Create a script ('''make.sh''') with such commands:
		+
		+	APPNAME="HelloWorld"
		+	MODULENAME="helloworld"
		+
		+	CC=arm-SamyGO-linux-gnueabi-gcc
		+	CFLAGS="-O2 -Wall"
		+	LDFLAGS="-s -shared -Wl"
		+
		+	echo "Compiling..."
		+
		+	mkdir -p pendrive/$APPNAME
		+	$CC $CFLAGS -c $MODULENAME.c -o $MODULENAME.o
		+	$CC $LDFLAGS -o pendrive/$APPNAME/$MODULENAME.so $MODULENAME.o
		+
		+	rm ./*.o
		+	echo "Compiled file:"
		+	ls -l pendrive/$APPNAME/$MODULENAME.so
		+
		+
		+	Make this script executeble by command:
		+	chmod u+x make.sh
		+
		+	Then run it by calling:
		+	./make.sh
		+
		+	You'll see such text output:
		+	Compiling...
		+	Compiled file:
		+	-rwxr-xr-x 1 user user 3159 2011-11-10 11:23 pendrive/HelloWorld/helloworld.so
		+

← Older revision		Revision as of 09:59, 10 November 2011
Line 103:		Line 103:

	To start a new project (create a new application), go into SamyGO directory created here, then create a new subdirectory inside.		To start a new project (create a new application), go into SamyGO directory created here, then create a new subdirectory inside.
		+
		+
		+	== Creating a simple application ==

@@ Line 76: / Line 76: @@
   SELP.3.2.x-Chelsea.src.tgz
-''NOTE: You can download '''09_LE32B650.tar.gz''' file from [http://opensource.samsung.com Samsung Open Source Release Center] (browse TV & Video, TV, LCD section) with similar contents. Prepare ZIP archive by yourself then.''
+''NOTE: '''09_LE32B650.tar.gz''' file from [http://opensource.samsung.com Samsung Open Source Release Center] (browse TV & Video, TV, LCD section) is not compatible with these scripts.''
 * 6. Download thsese 7 files:
   [http://download.samygo.tv/B%20Series/SDK%20Libraries/freetype-SamyGO-v0.01.tgz freetype-SamyGO-v0.01.tgz]

← Older revision		Revision as of 03:38, 6 November 2011
Line 4:		Line 4:

	To simplify this description, we assume that we're creating an application for LE40B650T2W model. ''(Other model's owner can update this how-to later)''		To simplify this description, we assume that we're creating an application for LE40B650T2W model. ''(Other model's owner can update this how-to later)''
		+
		+
		+	''' * THIS WIKI PAGE IS UNDER CONSTRUCTION * '''

	== What is Content Library application? ==		== What is Content Library application? ==