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Installation and Operation
2.4.3.2
RUNNING THE DEMOS USING THE APPLICATION NOTE 941
PROGRAM
After saving the AN941 application program to your PC’s hard drive, the program
needs to be launched. This PC program communicates with the MCP215X Data Log-
XP” discusses how to operate the 250-byte Secondary device (S) to Primary device
(P) data transfer demo.
2.4.3.2.1
Steps to Operate the Vending Machine Demo - Windows XP
TABLE 2-8:
Step Action
VENDING MACHINE DEMO - WINDOWS ? XP
Result
1
2
3
4
5
Place both devices on a flat surface about 25 cm (10”)
apart, with the IR ports facing each other.
On the MCP215X Data Logger Demo Board:
Ensure that jumpers JP1 and JP2 are shorted (closed
position).
On the MCP215X Data Logger Demo Board:
Ensure that jumper JP7 is shorted (closed position).
On the PC:
Run the IrDA Demo.exe program.
On the MCP215X Data Logger Demo Board:
Insert the 9V battery into the battery holder (BT1) or
plug a 9V AC-to-DC power supply (such as those
—
—
—
On the PC:
The program is searching for an IrDA standard device.
On the MCP215X Data Logger Demo Board:
The green power LED (D10) will turn on, the DTR LED
will be on, while all the other UART flow control
supplied with some Microchip development tools) into signals (CTS, RTS, CD, RI and DSR) are off. The RD7
the 9V DC connection plug (J2).
You may need to depress the RESET switch if the
LCD does not display the Microchip program revision
information and then the directions for demo program
selection.
and RD6 LEDs will also be on.
In the IrDA ? standard demo PC program window:
The program should indicate that it has found an IrDA
standard device, called “Generic IrDA”.
6
7
8
On the PC:
If the PC is configured to show the IR icon in the
system tray, a single IR LED will be displayed.
Place the mouse cursor over this icon.
On the MCP215X Data Logger Demo Board:
Depress Switch 2 (SW2).
In the IrDA standard demo PC program window:
Depress and release the Connect button.
On the PC:
The message “Generic IrDA is in range” will be
displayed; “Generic IrDA” is the device ID of the
MCP2150.
On the MCP215X Data Logger Demo Board:
This causes the vending machine program to be
executed.
In the IrDA standard demo PC program window:
Once the connection is made, the program window
will be updated to show that the Connect button now
is called the Disconnect button.
On the MCP215X Data Logger Demo Board:
The CD LED will turn on, and the CTS LED will flash.
This indicates that an IR link has been established
between the PC and the demo board.
? 2004 Microchip Technology Inc.
DS51516A-page 35
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