Local Device Driver

Local Device Driver

Generally, only OEMs can modify the driver of the local device. Other free device manufacturers do not involve too many drivers of the local device because they only provide additional hardware devices. Therefore, the following local device

The driver is oriented to OEMs.

Microsoft has a set of M interfaces for each local device driver. On this basis, Microsoft also designed a set of standard interfaces for device drivers of the same type. In this way, the wince Operating System

You can operate device drivers of the same type according to the standard, without having to know too much about the hardware differences between them. For example, LCD is used as a display on many mobile devices, among which there are many different LCD modules.

To be used in the wince system.

Windows CE provides the following local device driver instances.

A. Display
B. Battery
C. keyboard
D. Touch Screen
E. Notification led

If the above device is available on the target system, developers should consider modifying the sample driver provided by platform builder and try not to rewrite the driver. The sample driver is tested by Microsoft.

This makes it easier to verify the new driver.