Value-Added Software Services; Software Api; Chapter 4 Value-Added Software Services - EMAC PCA-6782 User Manual

4.1

Value-Added Software Services

Software API: An interface that defines the ways in which an application program
may request services from libraries and/or operating systems. Provides not only the
underlying drivers required but also a rich set of user-friendly, intelligent and inte-
grated interfaces, which speeds development, enhances security and offers add-on
value for
solution, and makes embedded platforms easier and simpler to adopt and
with customer applications.
4.1.1

Software API

4.1.1.1 Control
GPIO
4.1.1.2 Display
Brightness Control
Backlight
PCA-6782 User Manual
platforms. It plays the role of catalyst between developer and
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 provide Programmable
GPIO, allows developers to dynamically set the GPIO input
or output status.
The Brightness Control API allows a developer to control
brightness easily on an embedded device.
The Backlight API allows a developer to control the backlight
(screen) on/off on an embedded device.
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