MODEL BASED DEVICE DRIVER CODE GENERATION

• US 20090064196A1
• Filed: 08/31/2007
• Published: 03/05/2009
• Est. Priority Date: 08/31/2007
• Status: Abandoned Application

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Corporation
• Inventors: Richardson, John, Wieland, Peter W.
• Application Number:
  US11/848,910
• Publication Number:
  US 20090064196A1
• Time in Patent Office: Days
• US Class Current: 719/327
• CPC Class Codes: G06F 8/24 Object-oriented
• CPC Class Codes: G06F 8/36 Software reuse

Abstract

A driver model is generated that describes the configuration of one or more driver objects. The driver model and developer driver code are compiled to generate a driver including a machine readable driver model and compiled developer driver code, wherein the machine readable driver model and the complied developer driver code are independently serviceable.

Claims

1. A method, comprising:

generating a driver model that describes the configuration of one or more driver objects;

receiving developer driver code;

compiling the driver model and the developer driver code to generate a driver including a machine readable driver model and compiled developer driver code, wherein the machine readable driver model and the complied developer driver code are independently serviceable; and

outputting the driver.

2. The method of claim 1, further comprising:

selecting the one or more driver objects from a group of driver objects.

3. The method of claim 2, further comprising:

configuring the one or more driver objects.

4. The method of claim 3 wherein configuring the one or more driver objects includes configuring properties, methods, and events for a driver object.

5. The method of claim 1, further comprising:

validating that the driver model is in compliance with driver usage rules.

6. The method of claim 1 wherein compiling the driver includes generating binding code for the driver, wherein the binding code includes code for binding of the driver model to the developer driver code.

7. The method of claim 1 wherein the driver developer code includes event handler code for the device driver.

8. The method of claim 1 wherein the one or more driver objects include one or more Windows Driver Foundation objects.

9. One or more computer readable media including computer readable instructions that when executed perform the method of claim 1.

10. One or more computer readable media including computer readable instructions when executed by a target computing device perform operations comprising:

receiving a driver at the target computing device, the driver including;

a machine readable driver model that describes the configuration of one or more driver objects stored in a library on the target computing device; and

compiled developer driver code bound to the machine readable driver model, wherein the machine readable driver model and the compiled developer driver code are independently serviceable; and

compiling the driver on the target computing device.

11. The one or more computer readable media of claim 10 wherein compiling the driver includes compiling the driver with an ahead of time compiler on the target computing device.

12. The one or more computer readable media of claim 10 wherein compiling the driver includes:

configuring one or more driver objects stored in the library in accordance with the machine readable driver model; and

compiling the configured one or more driver objects.

13. The one or more computer readable media of claim 10 wherein the computer readable instructions when executed further perform operations comprising:

receiving updates to the driver from another computing device, wherein the machine readable driver model and the compiled developer driver code may be updated independently of each other.

14. The one or more computer readable media of claim 10 wherein the computer readable instructions when executed further perform operations comprising:

loading the driver into kernel space of the target computing device when the driver is verified safe.

15. The one or more computer readable media of claim 10 wherein the computer readable instructions when executed further perform operations comprising:

loading the driver into user space of the target computing device when the driver is not verified safe.

16. The one or more computer readable media of claim 10 wherein the one or more driver objects include one or more Windows Driver Foundation objects.

17. A system, comprising:

one or more processing units; and

one or more computer readable media having a model based device driver code generation tool executable by the one or more processing units, the model based device driver code generation tool comprising;

a driver object manager to generate a driver model that describes the configuration of one or more driver objects; and

a compiler to bind the driver model to developer driver code to generate a driver file having a machine readable driver model and compiled developer driver code, wherein the machine readable driver model and the compiled developer driver code are independently serviceable.

18. The system of claim 17 wherein the model based device driver code generation tool includes a user interface to allow a user to select representations of the driver objects and to configure the selected driver objects.

19. The system of claim 17 wherein the compiler includes a validation tool, the validation tool to determine if the driver model is in compliance with driver usage rules.

20. The system of claim 17 wherein the driver file includes a code behind file, wherein the code behind file includes developer driver code.