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Installation and Operation
2.4.3.2.2
Steps to Operate the 250-byte S -> P Data Transfer Demo - Windows XP
TABLE 2-9:
Step Action
250 BYTE S -> P DATA TRANSFER 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 sig-
supplied with some Microchip development tools) into nals (CTS, RTS, CD, RI and DSR) will be off. Also the
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, as well as the directions for demo
program selection.
RD7 and RD6 LEDs will be on.
In the IrDA 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 and Switch 3 (SW2 + SW3)
simultaneously.
On the MCP215X Data Logger Demo Board:
Depress Switch 2 and Switch 3 to select which flavor
of the program is executed.
On the PC:
The message “Generic IrDA is in range” will be dis-
played, “Generic IrDA” is the device ID of the
MCP2150.
On the MCP215X Data Logger Demo Board:
This causes the 250-byte S->P data transfer program
to be executed.
The LCD will display that this program was selected
and then update the display to show the two options
for transmitting data from the PIC16F877 to the
MCP2150:
1. CTS (transmit data bytes while CTS is low)
2. 64 bytes (transmit 64 data bytes when CTS
goes low)
On the MCP215X Data Logger Demo Board:
If SW2 is depressed, the Host Controller will only
transmit data to the MCP2150 while the CTS signal is
low. The LCD will indicate that the MCP215X Data
Logger Demo Board is waiting to receive a data byte
from the Primary device.
If SW3 is depressed, the Host Controller will transmit
64 bytes of data to the MCP2150 when the CTS signal
goes low. The LCD will indicate that the MCP215X
Data Logger Demo Board is waiting to receive a data
byte from the Primary device.
? 2004 Microchip Technology Inc.
DS51516A-page 37
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