1. Laser Pointer Mouse Xinpeng Huang and Billy Putnam

2. Introduction Buffer Video Input Initialize Image Processor Locate Laser Pointer Send mouse events through PS/2 to computer Objective: To control a mouse on a projected screen with a laser pointer

3. Camera ADV7185 27 MHz YCrCb 20 27 MHz global Process And Store Camera Data Image Processing (find pointer) 12 18 RGB addr reset enable draw clear left right Synchronize reset_sync global Store Drawn Move Mouse 10 9 xy esync dsync csync S-Vid input Circled inputs from wireless Draw S-Vid output draw PS2 Interface High-Level Design to computer dxdylsync rsync

4. Camera Input ADV7185 27 MHz YCrCb 20 YCrCb to RGB 108 xy Address Dual BRAM 256k x 12 CLKB CLKA enable RGB WEA DINA 18 12 ADDRA addr 18 12 addrRGB_out Synch reset reset_ sync global ADDRBDOUTB Process and Store Camera Data

5. Corners Finder Sum/Average Render Find A Apply A Video xy to video processing corner locations x’ y’ to mouse move Image Processing and Initialization Block Diagram Address Controller Address 27 MHz Reset Enable Initial to all

6. PS/2 Mouse Interface Control FSM Packaging (muxes) dx dy buttons Serialization (shift reg) De-serialization Clock bus Data bus Clock Manager 27 MHz ~10 KHz