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Final Project Final Project Fall 2009 Azan Alkhorem Instructor: Dr. Veton Këpuska

Final Project Final Project Fall 2009 Azan Alkhorem Instructor: Dr. Veton Këpuska. Purpose: 1- Learn audio input/output in ADSP-BF533 EZ-Kit Lite. 2- designed to introduce controlling the audio input/output. Result:

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Final Project Final Project Fall 2009 Azan Alkhorem Instructor: Dr. Veton Këpuska

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  1. Final Project Final Project Fall 2009 Azan Alkhorem Instructor: Dr. Veton Këpuska

  2. Purpose: 1- Learn audio input/output in ADSP-BF533 EZ-Kit Lite. 2- designed to introduce controlling the audio input/output.

  3. Result: • I used Blackfin BF533 Processor, to Program the buttons pF8, pF9, pF10, pF11) to do the following : • pF8: Switches the sound between speakers • pF9: Make rotation for the sound between all speakers • pF10: Decrease Volume • pF11: Increase Volume • the LED’s were programmed to correspond to the gain levels. The LED’s increment up along with the amount of times the PF10 and PF11 buttons are pushed.

  4. Hardware/Software Used: ADSP-BF 533 EZ-Kit Lite Visual DSP ++ 5.0 Speakers

  5. Procedure: 1- pF8: if (*pFIO_FLAG_C == 0x0100) { *pFIO_FLAG_C = 0x0100; audio++; if(audio==3) { audio=1; } }

  6. 2- pF9: if (*pFIO_FLAG_C == 0x0200) { // confirm PF9 interrupt handling *pFIO_FLAG_C = 0x0200; both++; if(both==3) { both=0; } } ((Make routation for the sound between all speakers))

  7. 3- pF10: if (*pFIO_FLAG_C == 0x0400) { // confirm PF10 interrupt handling *pFIO_FLAG_C = 0x0400; //PF10 : Volume Down if (gain != 0) { gain--; } }

  8. 4- pF11: if (*pFIO_FLAG_C == 0x0800) { // confirm PF11 interrupt handling *pFIO_FLAG_C = 0x0800; //PF11: Volume Up if (gain < 5) { gain++; }

  9. Conclusion: The code was provide to me from the labs but this project helped me to understand the code and further more edit the code to get the circuit board to do what I wanted it to do. This was a very interesting experiment and I learned so much more from conducting this project. The project was successfully completed and implemented.

  10. References: http://my.fit.edu/~vKepuska/

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