Sd Card; Ipl; Creating Hex Images - Symbol MC909X Integrator Manual

7 - 4 MC909X Integrator Guide

SD Card

The SD card can be used to download/upload files to and from the mobile computer. See
(MMC) / Secure Device (SD) Card on page 2-4
the SD Card, open
mobile computer or double-tap the executable file to launch the application.

IPL

Use IPL to download files onto the mobile computer, to download customized flash file system partitions to the
mobile computer and load hex files to the flash memory of the mobile computer.
Use IPL to download files onto the mobile computer, to download customized flash file system partitions to the
mobile computer and load hex files to the flash memory of the mobile computer.
There are two types of update supported by the mobile computer: partitions and files. The file system used by
the mobile computer is the same as the file system used on a desktop computer. A file is a unit of data that can
be accessed using a file name and a location in the file system. When a file is replaced, only the contents of the
previous file are erased. The operating system must be running for a file to be updated, so the IPL cannot
perform individual file updates as it is a stand-alone program that does not require the operating system to be
running.
A typical partition is a group of files, combined into a single "partition" that represents a specific area of storage.
Examples of partitions are the flash file systems such as Platform or Application. (Using the desktop computer
comparison, these partitions are roughly equivalent to a C: or D: hard disk drive.) In addition to the "hard disk"
partitions, some partitions are used for single items such as the operating system, monitor, or splash screen.
(Again using a desktop computer comparison, these partitions are roughly the equivalent of the BIOS or
special hidden system files.) When a partition is updated, all data that was previously in its storage region is
erased - i.e. it is not a merge but rather a replacement operation. Typically, the operating system is not running
when partitions are update, so IPL can perform partition updates.
Partition images for selected partitions can be created by TCM. All partition images suitable for use by IPL are
in hex file format for transfer by TCM from the development computer to the mobile computer.
Upgrade requirements:
The hex files to be downloaded (on development computer)
•
A connection from the host computer and the mobile computer (either serial or wireless)
•
TCM (on development computer) to download the files.
•
Once these requirements are satisfied, the mobile computer can be upgraded by invoking IPL and navigating
the menus. See Sending the Hex Image Using IPL on page 7-11
the mobile computer.

Creating Hex Images

Terminal Configuration Manager (TCM) is an application used to customize flash file system partitions for the
mobile computer. The most common use is to create an application partition hex file that contains the
customer's application. TCM can also be used to load hex files to the flash memory of the mobile computer.
The program resident on the mobile computer that receives the hex file and burns it to the flash memory is
called Initial Program Loader (IPL).
and select
Windows Explorer
for instruction on installing an SD card. To view the contents of
. You can copy files from the SD Card to the
Storage Card
for procedures on downloading a hex file to
Multi Media Card