[xsde-users] XML parsing on a LPC4357 ARM environment fails

[Marwijn Hessel]

Dear,

 

We are trying to make the generated code work on a LPC4357 ARM environment
with FreeRTOS.

The main problem is parsing of the XML data.

This example works on the LPC4357 target:

 

<?xml version="1.0" encoding="UTF-8"?>

<Canvas xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="ScadaInterface.xsd">

  <description>Gyro Compass</description>

  <ship_information length="100" bowGpsDistToBow="5"
sternGpsDistToStern="5"/>

  <Layer id="1" name="Compass" background="false" visible="true">

    <shapes x="0" y="0">

      <colour red="0" green="0" blue="0"/>

    </shapes>

  </Layer>

</Canvas>

 

The next example does not work on the LPC4357 target:

 

<?xml version="1.0" encoding="UTF-8"?>

<Canvas xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="ScadaInterface.xsd">

  <description>Gyro Compass</description>

  <ship_information length="100" bowGpsDistToBow="5"
sternGpsDistToStern="5"/>

  <Layer id="1" name="Compass" background="false" visible="true">

    <shapes xsi:type="Bitmap_t" x="100" y="0" uri="GyroCompass.bmp"
width="0" height="0" angle="0" rx="400" ry="300" eventAction="ROTATION"
scale="1.0" offset="0">

      <colour red="0" green="0" blue="0"/>

      <raster/>

    </shapes>

  </Layer>

</Canvas>

 

The second example does not give any exception (or likewise), it triggers a
hard fault. Which means the CPU is crashed.

In the attachment you find the XSD and XML files we want to use in the
project. The XSD/e version we use is v3.2.0.

We have also added a test source file, main.cpp. We try to parse a snippet
of our xml file using the generated XSD/e classes from our XSD file. Both
example snippets can be found in the source file.

 

Addition information about the LPC4357 you can find here:

http://www.embeddedartists.com/products/kits/lpc4357_kit.php

 

The compiler used is Yagarto (is GCC for ARM) which you can find here:

http://www.emb4fun.de/archive/gabmt/index.html

 

Kind regards,

Marwijn

 

PS: At the moment I'm working for Alphatron (see http://www.alphatron.nl/),
can you provide us additional information about a support contract?

 

 

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