RCM2000 datasheet(13/80 Pages) DIGI

13 / 80 page

User’s Manual

2.2 Run a Sample Program

Once the RCM2000 is connected as described in the preceding pages, start Dynamic C by

double-clicking on the Dynamic C icon on your desktop or in your Start menu. Dynamic C

uses the serial port specified during installation.

If you are using a USB port to connect your computer to the RCM2000 module, choose

Options > Project Options

and select “Use USB to Serial Converter” under the

Communications

tab, then click OK.

Find the file PONG.C, which is in the Dynamic C SAMPLES folder. To run the program,

open it with the File menu (if it is not still open), then compile and run it by pressing F9 or

by selecting Run in the Run menu. The STDIO window will open and will display a small

square bouncing around in a box.

2.2.1 Troubleshooting

If Dynamic C cannot find the target system (error message "No Rabbit Processor

Detected."

•

Check that the RCM2000 is powered correctly — the red power LED on the Prototyping

Board should be lit when the RCM2000 is mounted on the Prototyping Board and the AC

adapter is plugged in

•

Check both ends of the programming cable to ensure that they are firmly plugged into

the PC and the PROG connector, not the DIAG connector, is plugged in to the program-

ming port on the RCM2000 with the marked (colored) edge of the programming cable

towards pin 1 of the programming header.

•

Ensure that the RCM2000 module is firmly and correctly installed in its connectors on

the Prototyping Board.

•

Dynamic C uses the COM port specified during installation. Select a different COM

port within Dynamic C. From the Options menu, select Project Options, then select

Communications

. Select another COM port from the list, then click OK. Press

<Ctrl-Y>

to force Dynamic C to recompile the BIOS. If Dynamic C still reports it is

unable to locate the target system, repeat the above steps until you locate the COM port

used by the programming cable.

If Dynamic C appears to compile the BIOS successfully, but you then receive a communi-

cation error message when you compile and load the sample program, it is possible that

your PC cannot handle the higher program-loading baud rate. Try changing the maximum

download rate to a slower baud rate as follows.

•

Locate the Serial Options dialog in the Dynamic C Options > Project Options >

Communications

menu. Select a slower Max download baud rate.

If a program compiles and loads, but then loses target communication before you can

begin debugging, it is possible that your PC cannot handle the default debugging baud

rate. Try lowering the debugging baud rate as follows.

•

Locate the Serial Options dialog in the Dynamic C Options > Project Options >

Communications

menu. Choose a lower debug baud rate.

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