Advantech PCE-5127 User Manual download pdf (Page 69)

PCE-5127/7127 User Manual 60

4.1 Value-Added Software Services

Software API are interface that define the ways in which an application program may

request services from libraries and/or operating systems. They provide n ot only the

underlying drivers required but also a rich set of user-friendly, intelligent and inte-

grated interfaces, which speed development, enhance security and of fer add-on

value for Advantech platforms. API plays the role of catalyst between developer and

solution, and make Advantech embedded platforms easier and simpler to adopt and

operate with customer applications. This API and utility is only for XP, so if users

needs Linux version API and utility, then contact an Adva ntech representative for

support.

4.1.1 Software API

4.1.1.1 Control

4.1.1.2 Monitor

GPIO

General Purpose Input/Output is a flexible parallel interface

that allows a variety of custom connections. allows users to

monitor the level of signal input or set the output status to

switch on/off the device. Our API also provides Programma-

ble GPIO, which allows developers to dynamically set the

GPIO input or output status.

Watchdog

A watchdog timer (WDT) is a device that performs a specific

operation after a certain period of time if something goes

wrong and the system does not recover on its own. A watch-

dog timer can be programmed to perform a warm boot

(restarting the system) after a certain number of seconds.

Hardware Monitor

The Hardware Monitor (HWM) API is a system health super-

vision API that inspects certain condition indexes, such as

fan speed, temperature and voltage.

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Advantech PCE-5127 User Manual Page 69