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MCP215X Data Logger Demo Board User’s Guide
TABLE 2-8:
Step Action
VENDING MACHINE DEMO - WINDOWS ? XP (CONTINUED)
Result
9
10
11
12
13
On the PC:
If the PC is configured to show the IR icon in the
system tray, the single IR LED icon will change to an
icon of two IR LEDs facing each other talking.
Place the mouse cursor over this icon.
On the MCP215X Data Logger Demo Board:
Switch 2 (SW2) increments the soda counter, while
Switch 3 (SW3) increments the candy counter. The
value of the candy and soda counters will be
displayed on the LCD.
Depress Switch 2 until the soda counter displays 7
and depress Switch 3 until the candy counter displays
12.
For demonstration purposes, it is nice when the two
counter values are different.
In the IrDA standard demo PC program window:
Depress and release the Read Data button.
On the MCP215X Data Logger Demo Board:
Update the soda and candy counters by depressing
Switch 2 until the soda counter displays 14 and
depressing Switch 3 until the candy counter displays
16.
In the IrDA standard demo PC program window:
Depress and release the Read Data button.
On the PC:
The message “Wireless link with Generic IrDA at
115200 bps” will be displayed. This shows that a link is
now established for data communication and that the
IR communication rate is 115200 bps, the baud rate
that was negotiated between the PC IrDA standard
hardware and the MCP2150.
—
On the MCP215X Data Logger Demo Board:
The CTS LED will strobe rapidly and then return to the
normal rate.
In the IrDA standard demo PC program window:
The program window will update the display for
“Number of Sodas Sold =” and “Number of Candies
Sold =” to the value displayed on the demo board
LCD. At the bottom of the IrDA standard demo PC
program window, there is an area that displays the
raw data received from the MCP215X Data Logger
Demo Board.
—
On the MCP215X Data Logger Demo Board:
The CTS LED will strobe rapidly before returning to
the normal rate.
In the IrDA standard demo PC program window:
The program window will update the display for
“Number of Sodas Sold =” and “Number of Candies
Sold =” to the new value displayed on the demo board
LCD. There is an area at the bottom of the IrDA
standard demo PC program window that displays the
raw data received from the MCP215X Data Logger
Demo Board.
14
Step 12 and then Step 13 may be repeated. —
15
16
In the IrDA standard demo PC program window:
Depress and release the Disconnect button.
If the PC is configured to show the IR icon in the
system tray, a single IR LED will be displayed.
In the IrDA standard demo PC program window:
This will disconnect (close) the IR link. When the IR
link is disconnected, the PC icon will change to
indicate that the IR link is disconnected (has a red X).
On the MCP215X Data Logger Demo Board:
The CD and the CTS LEDs will turn off.
—
DS51516A-page 36
? 2004 Microchip Technology Inc.
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