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been executed, the directives contained in the package file are executed.
99. 3.
After the successful application of the update directives, the ID of the
package is stored in the local history log of installed packages.
Update package files allow TeleCLIENT to quickly see if new software needs to be downloaded. By
comparing the ID of the package against a local history log, TeleCLIENT can determine if a software
update needs to be performed.
47.3.3.2.
TeleCLIENT Setup Property Page
Figure 3-25 illustrates the Management tab, which displays the support for TeleCLIENT software
update functionality. The property page components are as follows:
68.
•
Edit Box:
Contains the Uniform Resource Locator (URL) for the update package
used by TeleCLIENT for software updates. Supported protocols are http:// and ftp://.
69.
•
Update Now…
button: Used to immediately perform a manual software update,
using the indicated URL.
Note:
This will force a reset of the terminal.
70.
•
Checkbox
: Used to set TeleCLIENT so that it checks the URL for a software update
every time TeleCLIE NT is power cycled.
A Standard Upgrade of the Operating System
The following is the update package XML file. This example upgrades the Windows CE image on
the boot partition of the DOC. The XML code directs the update software package to load a
Windows CE image into the DiskOnChip boot partition.
This update example operates by loading the OS image into RAM then writing the image to the DOC.
It is critical when writing to the DOC the update runs to completion. If only a partial image is
uploaded TeleCLIENT will not boot and the parallel port will have to be used to update the image.
Ensure that the image be small enough to fit in the boot partition and still have enough space to
accommodate the persistent registry. If the image to be loaded is larger than the boot partition,
TeleCLIENT will not boot. Example 2 illustrates how to overcome this limitation.
< Package ID= "WBT 1.2" >
<CopyFile OSImage="Yes" OSImageSize="5700000">
<Description>Windows CE 2.11 Update</Description>
<Source>http://Server_name/ceimage.rom</Source>
<Destination>\Program Files\ceimage.rom</Destination>
</CopyFile>
<Reboot/>
</Package>
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