Содержание
- 2. Overview What are Device Drivers? A little history Optical Mouse Internals The Driver and its programming
- 3. Device Drivers Definition : A computer program that enables another program (typically an OS) to interact
- 4. The Computer Mouse – A Brief History First mechanical mouse with a roller ball – Bill
- 6. Internals of an Optical Mouse Uses a tiny camera to take 1500-7080 images per second Camera
- 7. Pros and Cons Advantages of an optical mouse : No maintenance, No moving parts, Lasts longer.
- 8. Quality Factors Image sensor sizes vary from 16x16 pixels to 30x30 pixels Refresh rate (Hz or
- 9. PC Mouse System A typical PC mouse controlling system, with specific reference to an optical mouse,
- 10. The Mouse Driver Two ways of communication with the mouse – Directly using the data port
- 11. Mouse Driver Specifics (DOS) Mouse drivers communicate with other applications using BIOS interrupts – int 0x33h
- 12. Accessing the Mouse First step – Initialization Two methods – Polling, Asynchronous I/O Polling can be
- 13. The Hand of The OS The OS is typically involved in the arena Applications normally set
- 14. Some Practical Situations Mouse movement across applications – The Ghost Pointer http://www.permadi.com/tutorial/flash5ChangeCursor/index2.html Double Clicking An application
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