BrightSign Roku Compact Guia do Utilizador descarregar pdf (Página 69)

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Sample script

Here is how to create a very simple script:

1 Using a text editor, create a file called HELLO.BRS by entering this line:

print “hello world”

2 Save HELLO.BRS into the root directory of a SD card.

3 Insert the SD card into BrightSign.

4 Connect the serial port of BrightSign to your PC using a null modem cable.

5 On your PC, run HyperTerminal.

6 Turn on BrightSign and wait for the Roku> shell prompt to appear.

7 Type:

script hello.brs

You should see “hello world” on your PC screen.

8 If you want the script to autorun upon boot, rename it AUTORUN.BRS.

Roku Objects

As well as the BrightScript language itself, BrightSign relies upon a library of Roku Objects to

expose the hardware to the scripting language. Each Roku Object provides access to certain

capabilities. For example, there is a roVideoPlayer object and a roTouchScreen object. To create

an object in a script, you need to use the CreateObject() function.

When writing scripts, refer to the following two manuals:

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Roku BrightScript Reference:

Describes the scripting language

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Roku Object Reference:

Describes Roku Objects, such as

roVideoPlayer

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BrightSign Roku Compact Guia do Utilizador Página 69