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FTXL User’s Guide 215

fblock SFPTclosedLoopActuator {

nviVolt implements nviValue;

nvoVoltFb implements nvoValueFb;

} voltActuator

external_name("VoltActuator");

For more information about creating and using a model file, see

Creating a Model

File

on page 23.

To change the L

ONWORKS interface and functionality of the example application,

perform the following steps:

1. Define the interface in the Dynamic Interface Example.nc model file.

2. Run the LonTalk Interface Developer utility to generate an updated

application framework.

3. Make appropriate changes to the callback handler functions in the

FtxlHandlers.c file or the main.c file.

4. Rebuild the project.

5. Optional: Load the generated XIF file into the FTXL Transceiver.

6. Load the new executable file into the Nios II processor.

Setting up the Nios II IDE for the Example

Applications

To set up the Nios II IDE to use the example FTXL applications, perform the

following general steps:

1. Optional: Create a new workspace for each example application project.

2. Create a new application project based on one of the two FTXL project

templates.

3. Run the LonTalk Interface Developer utility to generate and copy the

necessary files for the project.

4. Build the project.

The following sections describe these steps. After you build the project, you can

load it into the Nios II processor and run it.

Creating a New FTXL Application Project

You can create each example project in a new workspace or use an existing

workspace. To work in a new workspace, select File → Switch Workplace to open

the Workspace Launcher window, from which you can select a new or existing

workspace.

To create a new application project for the FTXL simple example application:

1. Select File → New → Nios II C/C++ Application to open the New Project

window.

2. From the New Project window’s Select Project Template selection box,

select the FTXL Simple project.

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