Arrow DECA User Manual page 111

their names in the Nios II terminal. If a text file named "test.txt" is found, it will dump the file
contents. If it successfully recognizes the FAT file system, it will turn off the LED. On the other
hand, it will turn on the LED[3:0] if it fails to parse the FAT file system or if there is no SD card
found in the SD Card socket of the DECA board. If users press KEY[1] on DECA board, the
program will perform the above process again.
 Demonstration Source Code
 Quartus Project directory: SDCARD
 Nios II Eclipse: SD_DEMO\Software
 Demonstration Batch File
Demo Batch File Folder:
SDCARD \demo_batch
The demo batch file includes following files:
 Batch File for USB-Blaster :
DECA_SD_DEMO.bat
DECA_SD_DEMO.sh
 FPGA Configure File : SDCARD.sof
 Nios II Program:SDCARD_DEMO.elf
 Demonstration Setup
DECA User Manual
Figure 7-20 Software of micro SD demonstration
110
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May 22, 2015