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Altera DE2-115 Bedienungsanleitung Seite 91

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Seitenansicht 90
90
Main
FAT File System
SD Card
Nios II PIO
Figure 6-10 Software Stack of the SD Card Demonstration
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• Project directory: DE2_115_SD_CARD
• Bit stream used: DE2_115_SD_CARD.sof
• Nios II Workspace: DE2_115_SD_CARD\Software
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Demo Batch File Folder: DE2_115_SD_CARD \demo_batch
The demo batch file includes the following files:
• Batch File: DE2_115_SD_Card.bat, DE2_115_SD_CARD_bashrc
• FPGA Configure File : DE2_115_SD_CARD.sof
• Nios II Program: DE2_115_SD_CARD.elf
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• Make sure Quartus II and Nios II are installed on your PC.
• Power on the DE2-115 board.
• Connect USB Blaster to the DE2-115 board and install USB Blaster driver if necessary.
• Execute the demo batch file “DE2_115_SD_Card.bat” under the batch file folder,
DE2_115_SD_CARD\demo_batch.
• After Nios II program is downloaded and executed successfully, a prompt message will be
displayed in nios2-terminal.
• Copy test files to the root directory of the SD Card.
• Insert the SD Card into the SD Card socket of DE2-115, as shown in Figure 6-11.
• Press KEY3 of the DE2-115 board to start reading SD Card.
• The program will display SD Card information, as shown in Figure 6-12.
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