What is device drivers in operating system?
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Herein, what are examples of device drivers?
A device driver is a computer program that controls a particular device that is connected to your computer. Typical devices are keyboards, printers, scanners, digital cameras and external storage devices. Each of these need a driver in order to work properly.
One may also ask, why are device drivers required? Purpose of Device Drivers Device drivers are necessary to permit a computer to interface and interact with specific devices. They define the messages and mechanisms whereby the computer (OS and applications) can access the device or make requests for the device to fulfill.
Subsequently, one may also ask, how does a device driver work?
A device driver is a piece of software that allows your computer's operating system to communicate with a hardware device, the driver is written for. When we choose an operation (like Control + P to print a document) on the printer then this command goes to the device driver through the kernel of the operating system.
How do you write a device driver?
- Step 1: Generate the KMDF driver code by using the Visual Studio Professional 2019 USB driver template.
- Step 2: Modify the INF file to add information about your device.
- Step 3: Build the USB client driver code.
- Step 4: Configure a computer for testing and debugging.
- Step 5: Enable tracing for kernel debugging.