Chapter 10: HDK Demo Application
Main Tabs
Psion Teklogix Omnii HDK User Manual
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This informs the user that the function of the pins will be changed from UART to GPIO operation,
to conform with the tab being selected. Tap on
OK
to continue on to the GPIO tab, or
Close
(
X
) to
remain on the current tab and leave the pins configured for UART operation.
After tapping
OK
, the following warning message appears:
Since UART and GPIO devices share the same data communication pins, the breakout board must
also be configured so that the pins are routed to the proper circuits on the board. This configuration
is done by jumpers on the breakout board, and is described in Chapter 9: “Breakout Board”.
Ensure that the jumper settings are correct, and tap
OK
to proceed.
10.6.2.4 EEPROM
The EEPROM tab provides an interface to read and write device information to the 1-wire
EEPROM on the expansion device.
This procedure does not require any drivers to be loaded, so you can use the HDK Demo
application to program the EEPROM even before configuring anything else (registry keys, etc.).
Ignore any error messages regarding drivers in this case.
Note: When connecting to the breakout board, the 1-wire EEPROM on the breakout board is
used,
not
the EEPROM of any device connected to the breakout board.
Ensure that the information stored in the EEPROM of the breakout board is correct and
matches the information in the EEPROM of the device being tested .
Data Fields
File Controls
EEPROM Controls
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