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FirstGPS Starter Kit Overview
2
FirstGPS Starter Kit User Guide
1.1
Purpose of the Starter Kit
FirstGPS™ technology is designed for customers who need a simple
Global Positioning System (GPS) chipset in their applications.
The Starter Kit is for evaluation of FirstGPS software performance.
The Starter Kit includes:
• A sample hardware board
• A sample hardware environment, including antenna, power, and
serial communications
• A sample Windows software application (Microsoft®
Windows 95 / Windows 98 / Windows NT / Windows 2000)
• Sample source code for a typical application with examples of
API calls
• This manual in PDF format on the supplied CD
Together, these give a preliminary view of the hardware and software
interfaces and provide the basis for a high-level discussion of
hardware and software integration issues.
1.2
FirstGPS Architecture
With FirstGPS software, the Position-Velocity-Time (PVT) solution is
accessed directly by the host application through calls to an
Application Programming Interface (API). This is a significant
departure from past practice, where the GPS function was usually a
PVT-serial solution, that is, a complete GPS receiver board that
generated the Position Velocity Time (PVT) fix, and then
communicated the PVT fix to the host application through a serial
port. The API-based design offers considerably more flexibility for the
applications designer, along with benefits in terms of size, power,
and cost.