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Using the MCP215X/40 Developer’s Daughter Board
with the PICDEM? HPC Explorer Demo Board
D.1.4
Pocket PC PDA Demo using the AN926 Application Program
Application Note 926 supports doing Demo #3, the Data Logger (250 Byte) demo. For
this, the embedded system must be configured as in Figure D-7.
D.1.4.1
THE POCKET PC PDA GUI
The GUI consists of a number of user interface elements including command buttons,
text labels and a text-entry field. (Figure D-9)
FIGURE D-9:
1
2
4
5
POCKET PC PDA WINDOW
3
7
8
6
1. The Connect button attempts to establish a connection to the IR demo board.
The PPC device is acting as the Primary device and the demo board as the
Secondary device.
2. The Read Data button causes a query to be sent to the demo board, requesting
the number of sodas and candies information. Data received from the demo
board is parsed and displayed in text labels.
3. The Clear Data button sends a command to the demo board instructing it to reset
the application level counters.
4. The Send Byte button transfers the byte entered into the TX Data (ASCII) text
box. Any byte may be entered and transferred to the embedded system. If the
byte corresponds to one of the commands to read data, clear data or transfer a
buffer, the board will respond depending on its mode (vending machine or
250-byte transfer).
5. The Get File button initiates the 250-byte data transfer from the embedded
system by sending the embedded system the command byte for the transfer.
6. The Send File button allows the user to select a file on the PPC and transfer it
to the embedded system.
7. The Trace button causes the information in the trace buffer to be displayed.
Within this window is the capability to clear the trace buffer.
8. The Keyboard button opens a keyboard for data entry. The 123 button will open
the numeric keyboard, while the ABC button will open the alpha keyboard.
? 2006 Microchip Technology Inc.
DS51591A-page 59
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