To run DE2_70_control_panel it requires you to have both a Quartus II and a Nios II Embedded Design Suite installed. The most part of the problems is the wrong versions.
Firstly ensure that the Quartus II, Nios II and the USB_BLASTER is installed.
Try launching Quartus II and open the programmer (Tools/Programmer). Click on Hardware Setup. If you don't see the USB blaster under the "Available hardware items:" then either your board is incorrectly connected to the PC or the driver is missing/not installed properly. If you connect power to the DE2-70, turn it on, and then connect the USB cable, Windows will either ask report it found the USB Blaster or ask about installing the drivers.
All the files are on: CD-ROM Version : DE2_70_SYSTEM_cd_v1.3 . Available on Terasic site
Copy all files from DE2_70_control_panel folder to Quartus folder C:\altera\11.0\quartus\bin
1) load the .sof manually using programmer tool.
2) use nios2 shell command :"C:\altera\11.0\nios2eds\Nios II Command Shell.bat" (11.0 = current version)
3) in this console window, go to the Control_panel directory (use cd comand)
4) execute : nios2-download DE2_70_Control_Panel_ssram.elf -c USB-Blaster[USB-0] -r -g
5) execution tell you that the .elf is loaded
6) execute the control panel software DE2_70_Control_Panel.exe
Common erros messages:
"Load TERASIC_DOWNLOAD.DLL fail. Cannot find all of desired API"
"Fail to query board name"
"Fail to connect FPGA Board"
"Please Click the 'Download Code' button to download control code for your board"
“Please make sure Quartus is installed”
http://www.altera.com/
http://www.alteraforum.com
http://www.terasic.com.tw/
Trouble with DE2 70 control Panel
DE2-70 Control Panel "Fail to query board name"
DE2-70 problem
