Altera DE2-115 User's Guide download pdf (Page 87)

SFSU - Embedded Systems Tutorial Nano- Electronics & Computing Research Lab

Chapter 6: Video Generation for Text and Image Display on T-Pad

Introduction

In this chapter, the ALU will be displayed on T-Pad with an image in the background. Terasic T-Pad

provides a touch screen, which enables us to incorporate a video component. The strong multimedia

capabilities of the T-Pad are used to develop an application that would ease the process of viewing an

image from a SD Card. SD Card is used to access the images/pictures because every Digital single-lens

reflex (DSLR) camera used in the modern day stores clicked images on it. Moreover, these images are

generally in JPEG format and hence the user can store a large quantity of images on the card.

The ALU with image at the background supports following functionalities

1. Mounting a SD Card and reading files from it.

2. Displaying pictures on the touch screen display.

3. A simple ALU on the top of the image.

4. Intuitive touch to perform various functions of the ALU.

Hardware Description:

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Altera DE2-115 User's Guide Page 87