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2.3 Starting Dynamic C
Once the RCM3750 is connected as described in the preceding pages, start Dynamic C by
double-clicking on the Dynamic C icon or by double-clicking on dcrab_XXXX.exe in
the Dynamic C root directory, where XXXX are version-specific characters. Dynamic C
uses the serial port on your PC that you specified during installation.
If you are using a USB port to connect your computer to the RCM3750 module, choose
Options > Project Options
tab.
Communications
2.4 Run a Sample Program
Use the
menu to open the sample program
File
folder. Press function key
SAMPLES
dow will open on your PC and will display a small square bouncing around in a box.
2.4.1 Troubleshooting
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
Communications
If there are any other problems:
• Check that the RCM3750 is powered correctly — the power LED above the
button on the Prototyping Board should be lit.
• Check to make sure you are using the
programming cable.
• Check both ends of the programming cable to ensure that they are firmly plugged into
the PC and the programming port on the RCM3750.
• Ensure that the RCM3750 module is firmly and correctly installed in its connectors on
the Prototyping Board.
• Select a different COM port within Dynamic C. From the
Project Options
, then select
then click OK. Press
still reports it is unable to locate the target system, repeat the above steps until you locate
the active COM port.
User's Manual
and select "Use USB to Serial Converter" under the
to compile and run the program. The
F9
dialog in the Dynamic C
menu. Choose a lower debug baud rate.
PROG
Communications
to force Dynamic C to recompile the BIOS. If Dynamic C
<Ctrl-Y>
, which is in the Dynamic C
PONG.C
Options > Project Options >
connector, not the
DIAG
Options
. Select another COM port from the list,
win-
STDIO
RESET
connector, on the
menu, select
11
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