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DE2-115: User Manual

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Chapter 3<br />

<strong>DE2</strong>-<strong>115</strong> Control Panel<br />

The <strong>DE2</strong>-<strong>115</strong> board comes with a Control Panel facility that allows users to access various<br />

components on the board from a host computer. The host computer communicates with the board<br />

through a USB connection. The facility can be used to verify the functionality of components on the<br />

board or be used as a debug tool while developing RTL code.<br />

This chapter first presents some basic functions of the Control Panel, then describes its structure in<br />

block diagram form, and finally describes its capabilities.<br />

3.1 Control Panel Setup<br />

The Control Panel Software Utility is located in the directory<br />

“<strong>DE2</strong>_<strong>115</strong>_tools/<strong>DE2</strong>_<strong>115</strong>_control_panel” in the <strong>DE2</strong>-<strong>115</strong> System CD. It's free of installation, just<br />

copy the whole folder to your host computer and launch the control panel by executing the<br />

“<strong>DE2</strong>_<strong>115</strong>_ControlPanel.exe”. (Windows 7 64-bit <strong>User</strong>s: If an error message that shows a missing<br />

jtag_client.dll file (cannot find jtag_client.dll) while the Control Panel is commencing, users should<br />

re-launch the DE4_ControlPanel.exe from the following directory<br />

(/<strong>DE2</strong>_<strong>115</strong>_tools/<strong>DE2</strong>_<strong>115</strong>_control_panel/win7_64bits))<br />

Specific control circuit should be downloaded to your FPGA board before the control panel can<br />

request it to perform required tasks. The program will call Quartus II tools to download the control<br />

circuit to the FPGA board through USB-Blaster[USB-0] connection.<br />

To activate the Control Panel, perform the following steps:<br />

1. Make sure Quartus II 10.0 or later version is installed successfully on your PC.<br />

2. Set the RUN/PROG switch to the RUN position.<br />

3. Connect the supplied USB cable to the USB Blaster port, connect the 12V power supply, and<br />

turn the power switch ON.<br />

4. Start the executable <strong>DE2</strong>_<strong>115</strong>_ControlPanel.exe on the host computer. The Control Panel user<br />

interface shown in Figure 3-1 will appear.<br />

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