Kontron MOPSlcdLX Bedienungsanleitung PDF herunterladen (Seite 17)

KTD-S0006-B Page 14 JIDA32 Interface

MOPSlcdLX Software Guide

6 JIDA32 Interface

Most KONTRON single board computers (SBCs) are equipped with unique hardware features that cannot be

accessed with standard API. The JIDA32 interface allows you to access this features in a hardware inde-

pendent manner under popular 32-bit operating systems.

Not mentioned parts of the JIDA32 interface are not supported and can lead to wrong results.

6.1 Generic Part

Each SBC has a unique seven letter name that corresponds directly with the physical type of board.

Examples are PLX8, PDOT, BQBA and B690. Boards are also divided into classes. The currently defined

classes are CPU, VGA and IO. Each board has one primary class but it can also have any number of

secondary classes. This allows you to talk to a class of boards that has a particular functionality without

knowing the exact name of the board.

Identifier Value

Board name PLX8

Primary class CPU

Secondary class VGA

Boot counter 0 ... 65535

Note: The boot counter is only incremented when a cold boot is performed. For a warm boot this value is not changed.

6.2 Display Part

In this part only the backlight control can be used. The contrast control is generally not supported (modern

graphic controllers don't anymore contain a STN LCD interface).

It depends on the used DAC on the JILI adapter whether the backlight brightness is supported.

Identifier Value

Backlight on/off On or Off (Limited)

Backlight brightness 0 ... 255 (Limited)

Contrast on/off Not supported

Contrast value Not supported

End of dark boot Not supported

6.3 I2C-Bus Part

This part allows the access to serial busses. A write access is not allowed on every device though. KONTRON

does not guarantee the correct function of the component respectively the warranty claim is lost in case of

unallowed write cycles.

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