Preparing the file that provides the driver functionality

To prepare the file that provides the driver functionality:

Create a file for the driver functions (for example, your_custom_driver.c).
Prepare the driver code.
This section includes an example of driver files, An example of a custom driver. Use this example as a template for building your driver code.

The driver methods and API functions that you can use are described in Available driver methods and Available API support functions.