Z8FS021 datasheet(67/68 Pages) ZILOG

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PS028806-0315

Appendix C. Software Support Files and Project Configuration

ZMOTION® Intrusion Detection

Product Specification

Appendix C. Software Support Files and Project

Configuration

The following four files are provided to support the PIR Engine:

PIR_API.c.

Contains the API register definitions and locates them at there appropriate

places in memory.

PIR_API.h.

Provides the bit definitions for the API registers and also contains the macro

definitions for EPIR_INIT and EPIR_ADC_ISR.

API_INIT_xx.h.

This header file contains the default API settings specific to the lens and

pyroelectric sensor being used. The application code loads the API registers with these

values prior to executing the EPIR_INIT macro. Several versions of these files are avail-

able from the Zilog website with tested configurations supporting the available lenses and

pyroelectric sensors. These header files are included as the source code associated with the

ZMOTION Detection Lens and Pyro Sensor Configuration Guide (WP0018). Refer to

WP0018 and to the ZMOTION Lens and Pyroelectric Sensor Product Specification

(PS0286) to select the appropriate API_INIT_xx file for the selected lens.

startupePIR.asm.

This C start-up file replaces startups.asm or startupl.asm in

ZDSII. It contains the environment initialization, stack, and register pointer configurations

specifically required for a ZMOTION project.

ZDSII Project Settings

The Zilog Developer Studio Integrated Development Environment (ZDSII IDE) is used

for software development. Because the compiled application code has no vision into the

operation of the PIR Engine, it is important to ensure that the application’s working RAM

area is not affected by Engine operations. To facilitate this, the PIR Engine uses working

cation code uses working register group 0 (as defined in startupePIR.asm). These

operations are automatically handled by the compiler, and examples are provided with the

available sample projects. The Small Memory Model must be used for the application soft-

ware.

Z8FS021 Datasheet(PDF) 67 Page - Zilog, Inc.