Programming Examples

How to Pair a Bluethooth Mouse in Yellow Dog Linux PS3

Harold Clements — Mon, 23 Feb 2009 23:26:32 +0000

This is my guide on how to install a Bluetooth mouse on a PS3 running Yellow Dog Linux (YDL).

Install the ‘bluez’ packages.
```
# yum install bluez
```
Reboot Machine.
```
# shutdown -r now
```
Turn the mouse on and enter it into discovery mode, then scan for the device. The device name and MAC address should be displayed.
```
# hcitool scan
```
Download this [file] (hcid.conf) and copy it to the following location:
```
/ect/bluetooth/
```

Pair the mouse with the PS3

# hidd --connect {MAC Address}

Example:

# hidd --connect 00:01:61:BA:5D:AF

Your Bluetooth mouse should now being working.

If you are still having problems, please visit the PS3 board within the Yellow Dog forum.

http://www.yellowdog-board.com/viewforum.php?f=19

http://www.yellowdog-board.com/viewtopic.php?p=8706#p8706

String Entry Buffer Overflow Prevention

Harold Clements — Mon, 23 Feb 2009 10:21:32 +0000

Overview:
{awaiting Text...}

Code Example: (Download)

/**
 * @file buffover.c
 * @author Harold Clements
 * @see n/a
 *
 * A simple String Entry, Buffer Overflow Prevention example in C.
 */
#include    //required for output
#define MAX_LEN 8

int main() {
   /*
    * Create an array of length eight to hold the full name plus
    * an extra one for the zero-terminate.
    */
   char szFullName[ MAX_LEN + 1 ];
  
   /*
    * Display prompt and get data from the keyboard.
    */
   printf( "Please Enter Your Full Name [Max 8 chars] " );
   fgets( szFullName, sizeof( szFullName ), stdin );
  
   /*
    * Print the output to the console
    */
   printf( "The name entered is: %s and has the length of %d  ", szFullName, sizeof( szFullName ) );
   printf( "(including the zero-terminator)\n");
   
   return 0;
}

Console Output:
Please Enter Your Full Name [Max 8 chars] JonathanDoe
The name entered is: Jonathan and has the length of 9 (including the zero-terminator)

Refference:
http://en.wikipedia.org/wiki/Fgets
http://en.wikipedia.org/wiki/Sizeof

String Concatenation

Harold Clements — Sat, 21 Feb 2009 14:35:36 +0000

Overview:
{awaiting Text...}

Code Example: (Download)

/**
 * @file strcon.c
 * @author Harold Clements
 * @see n/a
 *
 * A simple String Concatenation example in C using strcat.
 */
#include    //required for output
#include   //required for the 'strcat' function

int main() {
    /*
     * Create an array of chars to hold the full name and zero-terminate the array.
     */ 
    char szFullName[32];
    szFullName[0] = ' /0 ';

    /*
     * For this example both ways of creating a string is valid.
     */
    char* szFirstName = "John";
    char szLastName[] = "Doe";

    strcat(szFullName, szFirstName);  // add the first name to full name.
    strcat(szFullName, " ");          // add a space between the first and last name.
    strcat(szFullName, szLastName);   // add the last name to the full name.

    /*
     * Print the output to the console.
     */
    printf("a) My name is: %s %s\n", szFirstName, szLastName);
    printf("b) My name is: %s\n", szFullName);

    return 0;
}

Console Output:
{awaiting text...}

Refference:
http://en.wikipedia.org/wiki/Strcat