Method and apparatus for providing an interface between application software and a satellite positioning system sub-system in a location enabled device

摘要

Method and apparatus for providing an interface between application software and an SPS sub-system embedded in a location-enabled device is described. In one example, the location-enabled device includes a satellite positioning system (SPS) receiver, a hardware communication port coupled to the SPS receiver, a central processing unit (CPU), and a memory. The memory stores program code for execution by the CPU. The program code includes application software, SPS control software, and a driver. The application software is configured to communicate using the hardware communication port. The SPS control software is configured to control the SPS receiver. The driver is configured to provide a virtual communication port between the application software and the SPS control software.

主权项

1. A location-enabled device comprising:
a satellite positioning system (SPS) receiver; a hardware communication port coupled to the SPS receiver; a central processing unit (CPU) coupled to the hardware communication port; and a memory comprising program code stored therein for execution by the CPU, the program code comprising:
application software configured to address data for transmision to the hardware communication port to communicate with the SPS receiver;a driver configured to intercept the data addressed to the hardware communication port: andSPS control software configured to receive the intercepted data and control communication between the application software and the SPS receiver.