Altera Nios II Embedded Evaluation Kit Cyclone III Editio Manual de usuario Pagina 38
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Valorado. / 5. Basado en revisión del cliente
Altera Corporation 5–2
July 2010 Nios II Embedded Evaluation Kit, Cyclone III Edition
Design Examples
Software and middleware licenses required to ship design:
■ MicroC/OS-II real time operating system from Micrium
1 For more information on how to obtain evaluation or shipping
licenses for the above refer to “Licensing the IP” on page 1–11.
The picture viewer application takes JPEG images or bitmaps
stored on
the SD Card and displays them on the LCD Touch Panel. The Nios II CPU
decodes the images and stores the pixels in a video buffer in DDR
SDRAM. A Scatter-Gather DMA is used to transfer pixel data from the
video buffer to the video pipeline.
1 You can customize the picture viewer application's image
selection by adding your own images in to the folder on the SD-
Card entitled images.
Operation
The Picture Viewer application displays a new picture on the LCD screen
after a settable delay (1,2,3,4,5,10,15,20 seconds). If decoding the image
takes longer than this delay time, then the image is displayed as soon as
it has been decoded. The image is scaled to optimally fit the LCD screen.
The operation of Picture Viewer application is explained below:
1. Power on the board by pressing the switch SW1. You will see the
Application Selector menu on the LCD Touch Screen Display. See
Figure 5–1.
- Cyclone III Edition 1
- User Guide 1
- Part Number UG-01025-1.2 2
- Contents 3
- Altera Corporation iv 4
- July 2010 Preliminary 4
- Contents Contents 4
- Additional Information 5
- Altera Corporation vi 6
- 1. Getting Started 7
- Kit Contents 8
- About the Nios II Processor 9
- About the Demonstrations 10
- About this User 12
- Software 13
- Installation 13
- <install dir> 14
- <version> 14
- Licensing the IP 17
- Software Installation 19
- Getting Started 20
- 2. Development Board Setup 21
- Requirements 22
- Power Up the 22
- Development 22
- Development Board Setup 24
- 3. Nios II Processor Systems 25
- Nios II Processor Systems 26
- Where to find 27
- Processor 27
- Location 28
- Description 28
- CPU Platform 28
- ● 100-MHz CPU Clock 29
- ● 100-MHz SSRAM Clock 29
- ● 66.5-MHz DDR SDRAM Clock 29
- ● PIO for LCD I 30
- Overview 31
- Running the 31
- Application 31
- Selector 31
- Altera Corporation 4–2 32
- Application Selector Utility 32
- Remote System 33
- Update using 33
- Ethernet 33
- Operating Instructions 34
- Creating Flash 36
- System update 36
- 5. Design Examples 37
- Operation 38
- Picture Viewer Application 39
- Altera Corporation 5–4 40
- Design Examples 40
- Mandelbrot 42
- Mandelbrot Application 43
- Altera Corporation 5–8 44
- Altera Corporation 5–10 46
- Altera Corporation 5–12 48
- About the Embedded Web Server 50
- Appendix A. Video Pipeline 51
- Data Flow 51
- Altera Corporation A–2 52
- Altera Corporation A–4 54
- Appendix B. Application 55
- Selector Details 55
- CFI Flash 56
- Application Boot Code 57
- Flash Hardware Image Catalog 57
- Hardware Image 58
- Flash Hardware 59
- Creating Your 60
- Own Loadable 60
- Applications 60
- Rebuilding the 61
- Create a BSP 62
- Build the project 62
- Modifying the 63
- Application Hardware Images 64
- Application Software Image 64
- Flash Catalog 65
- Altera Corporation B–12 66
- Appendix C. Restoring the 67
- Factory Image 67
- Selector from 68
- Source Files 68
- Boot Code 68
- Altera Corporation C–4 70
- Appendix D. Frequently 71
- Asked Questions 71
- Altera Corporation D–2 72
- Evaluation Kit? 74
- Altera Corporation D–6 76
- Further 78
- Information 78
- Typographic 78
- Conventions 78
- Visual Cue Meaning 79
- Altera Corporation Info–iv 80
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