Sigma DE2-70 manual Block diagram of the USB paintbrush demonstration

DE2-70 User Manual

Nios II

CPU

Altera

System

Interconnect

Fabric

Philips

ISP1362

Host

Port

VGA

Controller

Frame

Buffer

USB

Mouse

ADV7123

Figure 6.5. Block diagram of the USB paintbrush demonstration.

Demonstration Setup, File Locations, and Instructions

Project directory: DE2_70_NIOS_HOST_MOUSE_VGA

Bit stream used: DE2_70_NIOS_HOST_MOUSE_VGA.sof

Nios II Workspace: DE2_70_NIOS_HOST_MOUSE_VGA\Software

•Connect a USB Mouse to the USB Host Connector (type A) of the DE2-70 board

•Connect the VGA output of the DE2-70 board to a VGA monitor (both LCD and CRT type of monitors should work)

•Load the bit stream into FPGA

•Run the Nios II and choose DE2_70_NIOS_HOST_MOUSE_VGA as the workspace. Click on the Compile and Run button

•You should now be able to observe a blue background with an Altera logo on the VGA display

•Move the USB mouse and observe the corresponding movements of the cursor on the screen

•Left-click mouse to draw white dots/lines and right-click the mouse to draw blue dots/lines on the screen.

Figure 6.6 illustrates the setup for this demonstration.

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