Analog Devices, Inc. CrossCore(R) Embedded Studio Application Example

ADSP-SC58x EZ-Kit Board Support Package

Project Name: WatchDog Timer

CONTENTS

1. Description
2. Processor
3. Tested With
4. Overview
5. Hardware Setup
6. User Configuration Macros
7. External connections
8. Software switch settings
9. References

1. Description

This example demonstrates how to use the watchdog service to initiate a watchdog timer expired event.

2. Processor

• ADSP-SC58x

3. Tested With

ADSP-SC58x EZ-Kit

4. Overview

This test program checks the functionality of the watchdog timer by

1. Checking the counter and watchdog status immediately after enabling it. They should not have expired at this point.

2 Resetting the watchdog timer during a Delay() function. The counter and watchdog should not expire after the Delay() has completed.

3. Not resetting the watchdog timer during a Delay() function. The counter and watchdog should expire after the Delay() has completed and a watchdog timer callback event posted.

For more information on driver modes of operation please refer to the driver help pages.

5. Hardware Setup

None.

6. User Configuration Macros

7. External connections

None.

8. Software switch settings

Default Software switch settings

See SoftConfig_SC589.c for more information.

Please refer to the ADSP-SC589 EZ-KIT Lite Evaluation System Manual for information on software-controlled switches.

9. References

• ADSP-SC589 Hardware Reference Manual
• ADSP-SC589 EZ-Kit Schematic